Re: cygwin ange-ftp...

[Corinna Vinschen]

On Jan 28 08:45, Jason Fu wrote:
> Mister,
> 
> Sorry that I had no problem at using the same cygwin xemacs accessing
> other UNIX boxes like Solaris and Linux in listing the homes there. So the
> problem is the ftpd of cygwin and no other, isn't it?

Works for me if the XP Firewall is setup for this.

Corinna

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Re: odd behavior of symlinks on Win XP

[Corinna Vinschen]

On Jan 27 14:16, Jan Hlavacek wrote:
> I am not on the list, but I hope this will get through.  I came across
> this discussion while I was searching for an answer to similar problem. 

There are a couple of postings in the ML archives, all from this month,
which should explain the behaviour pretty well.  There's a patch in
current Cygwin CVS which should solve the icon problem.  But as soon as
you change the icon, the shortcut is changed by Windows in a way which
invalidates it as symlink for Cygwin.  That's nothing we can change
without breaking other things.  If you want to use a shortcut in Cygwin
and in native Windows, create it in Cygwin and don't touch it.

> [FAQ]
> Since version 1.3.0, Cygwin treats shortcuts as symlinks. "

I'll change the text in the FAQ.


Corinna

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Re: Two instances of same cygwin1.dll

[Corinna Vinschen]

On Jan 28 08:40, [EMAIL PROTECTED] wrote:
> I am thinking of renaming the cygwin1.dll under the Tornado
> directory, so that it cannot be found there anymore, to make
> the compiler use exclusively the cygwin DLL in our standard
> cygwin path.

Sounds like a good idea to me.

> Does the Win32 API search for DLL's in the normal PATH
> variable or are there other environment variables which
> influence this ?

Standard Windows behaviour influences the search.  See the LoadLibrary
entry in MSDN, which explains it:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/loadlibrary.asp


Corinna

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Cron problem on Windows 2003

[Ballarin Federico, PD]

We have cygwin ver. 1.5.12
We try to install cygwin cron on Win 2003 with "cygrunsrv -I cron -p
/usr/sbin/cron -a -D" string. We started service with "cygrunsrv -S
cron". Service start all successfully.
Our scripts don't start.
 
When we try to install the cron service by user Administrator from bash,
the administrato's scripts start.
 
Any idea.
 
Regards
Federico Ballarin

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Re: cygwin ange-ftp...

[Jason FU]

Corinna Vinschen  cygwin.com> writes:

> 
> On Jan 28 08:45, Jason Fu wrote:
> > Mister,
> > 
> > Sorry that I had no problem at using the same cygwin xemacs accessing
> > other UNIX boxes like Solaris and Linux in listing the homes there. So the
> > problem is the ftpd of cygwin and no other, isn't it?
> 
> Works for me if the XP Firewall is setup for this.
> 
> Corinna
> 

It doesn't work for both XP sp2 and Server 2003. I've closed the sp2 firewall in
XP and I could do ange-ftp to other UNIX boxes but not to any of the cygwin
boxes. That's it.


Jason


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Re: cygwin ange-ftp...

[Corinna Vinschen]

On Jan 28 11:08, Jason FU wrote:
> Corinna Vinschen  cygwin.com> writes:
> > On Jan 28 08:45, Jason Fu wrote:
> > > Sorry that I had no problem at using the same cygwin xemacs accessing
> > > other UNIX boxes like Solaris and Linux in listing the homes there. So the
> > > problem is the ftpd of cygwin and no other, isn't it?
> > 
> > Works for me if the XP Firewall is setup for this.
> > 
> > Corinna
> > 
> 
> It doesn't work for both XP sp2 and Server 2003. I've closed the sp2 firewall 
> in
> XP and I could do ange-ftp to other UNIX boxes but not to any of the cygwin
> boxes. That's it.

In this case, see http://cygwin.com/problems.html


Corinna

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ACL questions

[Eric Blake]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Several places in the coreutils testsuite died because new directories in
cygwin have 7 ACL designations (user, group, other, mask, default user,
default group, default other) instead of MIN_ACL_ENTRIES (4, for user,
group, other, and mask), so their `ls -ld' listing gives a mode of
drwxrwxrwx+ (that extra + denotes extra ACLs).  It looks like the cygwin
default entries for each directory mirror the user, group, and other values.
$ mkdir dir
$ getfacl dir
# file: dir
# owner: eblake
# group: None
user::rwx
group::r-x
mask:rwx
other:r-x
default:user::rwx
default:group::r-x
default:other:r-x

My limited testing on Solaris 8, which also supports ACLs, only added
default entries to directories when I specifically set ACLs, and not when
I created a directory, so `ls -ld' never displayed the '+' in the mode
string until I played with the ACLs. See also the example on
http://www.ids.org.au/main/tutorials/acl_howto.php.

POSIX XBD 4.4 File Permissions permits ACLs, but states that ACLs must
either be additional (more restrictive, never less) or alternate (in which
case they can be enabled only on a per-file request, and that they are
disabled when permission is changed with chmod()).  My understanding is
that ACLs are alternate, since I can grant more access to a particular
user or group than the one that actually owns the file.  And if that is
the case, I think that `ls -ld' should never list the '+' at the end of
the mode string for alternate access unless I used an facl() command on
that file or directory.

Could this be a bug in cygwin/sec_acl.cc's getacl() for creating directory
default ACLs that are no different from the owner's permissions when
parsing the Windows permissions?  Or is it really valid behavior that all
cygwin directories start life with default ACL entries, in which case
either the coreutils testsuite needs to account for the '+' in the mode
(or else patch `ls' to treat 7 ACL entries on directories, with the 3
default entries matching the corresponding directory owner permissions, as
normal and not extended access)?

- --
Life is short - so eat dessert first!

Eric Blake [EMAIL PROTECTED]
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.0 (Cygwin)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFB+jwe84KuGfSFAYARAmdqAKCMOvxKIBKcbgMroTLzhh8BytzZagCeIOp7
LjrmagkuzdW6xK1s3xfDJ00=
=5qg8
-END PGP SIGNATURE-

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ssh-client and cygminires

[guy . j . maurel]

Hello!

On 26 februar 2004 wrote "corinna Vinschen" about the dependency
between ssh-client and cygminires

This is up to day not yet solved.

Thanks

guy




Guy Maurel
Forschungszentrum
DaimlerChrysler AG
Postfach 2360
89013 Ulm
Tel: +49 731 505 2172


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RE: 1.0-1: ping problem

[Lino Miguel Martins Tinoco]

Jason FU wrote:

> $ ping www.cygwin.com
> PING www.cygwin.com (12.107.209.250): 56 data bytes
> sendto: Operation not permitted
> ping: wrote www.cygwin.com 64 chars, ret=-1
> ping: recvfrom: Invalid argument
> ping: recvfrom: Invalid argument
> ...

It seems the packet is assembled but it cannot be sent. Have you any
firewall installed? If so, shut down the firewall and test again.

--Lino Tinoco

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Re: ACL questions

[Corinna Vinschen]

On Jan 28 06:20, Eric Blake wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
> 
> Several places in the coreutils testsuite died because new directories in
> cygwin have 7 ACL designations (user, group, other, mask, default user,

That's a negligible problem of the coreutils testsuite.

> Could this be a bug in cygwin/sec_acl.cc's getacl() for creating directory
> default ACLs that are no different from the owner's permissions when
> parsing the Windows permissions?  Or is it really valid behavior that all
> cygwin directories start life with default ACL entries, in which case
> either the coreutils testsuite needs to account for the '+' in the mode
> (or else patch `ls' to treat 7 ACL entries on directories, with the 3
> default entries matching the corresponding directory owner permissions, as
> normal and not extended access)?

That happens in alloc_sd().  The idea is to have a SD which allows to
inherit the POSIX-like permissions to newly created files and subdirs
in the directory.


Corinna

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Re: ssh-client and cygminires

[Corinna Vinschen]

On Jan 28 14:28, [EMAIL PROTECTED] wrote:
> On 26 februar 2004 wrote "corinna Vinschen" about the dependency
> between ssh-client and cygminires
> 
> This is up to day not yet solved.

It is.

Corinna

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Re: 1.0-1: ping problem

[Jason FU]

Lino Miguel Martins Tinoco  telecom.pt> writes:

> 
> Jason FU wrote:
> 
> > $ ping www.cygwin.com
> > PING www.cygwin.com (12.107.209.250): 56 data bytes
> > sendto: Operation not permitted
> > ping: wrote www.cygwin.com 64 chars, ret=-1
> > ping: recvfrom: Invalid argument
> > ping: recvfrom: Invalid argument
> > ...
> 
> It seems the packet is assembled but it cannot be sent. Have you any
> firewall installed? If so, shut down the firewall and test again.
> 
> --Lino Tinoco
> 
> 


[EMAIL PROTECTED] ~
$ /c/WINDOWS/system32/ping.exe www.cygwin.com

Pinging www.cygwin.com [12.107.209.250] with 32 bytes of data:

Reply from 12.107.209.250: bytes=32 time=231ms TTL=55
Reply from 12.107.209.250: bytes=32 time=230ms TTL=55
Reply from 12.107.209.250: bytes=32 time=238ms TTL=55


[EMAIL PROTECTED] ~
$ /usr/bin/ping.exe www.cygwin.com
PING www.cygwin.com (12.107.209.250): 56 data bytes
sendto: Operation not permitted
ping: wrote www.cygwin.com 64 chars, ret=-1
ping: recvfrom: Invalid argument
ping: recvfrom: Invalid argument
ping: recvfrom: Invalid argument
ping: recvfrom: Invalid argument


That's the same machine (Server 2003) for me to ping with Windows ping an \d
cygwin ping shown above.


Jason FU



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ftpd daemon doesn't work properly with emacs ange-ftp

[Jason FU]

Corinna Vinschen  cygwin.com> writes:

>
> 
> In this case, see http://cygwin.com/problems.html
> 
> Corinna
> 

Just boot up Knoppix to ange-ftp from xemacs there to a cygwin bax and come
across the same problem. That is, no listing of the home can be done with xemacs
ange-ftp.


Jason FU



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Re: ftpd daemon doesn't work properly with emacs ange-ftp

[Corinna Vinschen]

On Jan 28 14:18, Jason FU wrote:
> Corinna Vinschen  cygwin.com> writes:
> > In this case, see http://cygwin.com/problems.html
> > 
> > Corinna
> > 
> 
> Just boot up Knoppix to ange-ftp from xemacs there to a cygwin bax and come
> across the same problem. That is, no listing of the home can be done with 
> xemacs
> ange-ftp.

In this case, see http://cygwin.com/problems.html


Corinna

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Re: 1.0-1: ping problem

[Christopher Faylor]

On Fri, Jan 28, 2005 at 01:29:52PM -, Lino Miguel Martins Tinoco wrote:
>Jason FU wrote:
>
>> $ ping www.cygwin.com
>> PING www.cygwin.com (12.107.209.250): 56 data bytes
>> sendto: Operation not permitted
>> ping: wrote www.cygwin.com 64 chars, ret=-1
>> ping: recvfrom: Invalid argument
>> ping: recvfrom: Invalid argument
>> ...
>
>It seems the packet is assembled but it cannot be sent. Have you any
>firewall installed? If so, shut down the firewall and test again.

Again, I ask for the details mentioned in http://cygwin.com/problems.html .

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ssh error

[Augusto Cesar Castoldi]

Hi,

I can't use ssh, ssh.exe error: cygminires.dll not found.

How can I solve this?

thanks.

augusto

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Re: ssh error

[Christopher Faylor]

On Fri, Jan 28, 2005 at 01:56:37PM -0200, Augusto Cesar Castoldi wrote:
>I can't use ssh, ssh.exe error: cygminires.dll not found.
>
>How can I solve this?

Step 1:  Read http://cygwin.com/problems.html

Step 2:  Follow the guidelines set forth there.

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pthreads leaks handles and threads when threads use sockets

[Mark Pizzolato]

I've been using clamav's clamd under cygwin and noticed that over time the 
handle count as viewed with TaskManager seems to grow to arbitrary values. 
I used clamd's option IdleTimeout set to 600 seconds which dramatically 
reduced the growth rate of the Handle Count.  Of course clamd has many 
things going on that could contribute to handle leakags, so I tried to write 
a simple program to demonstrate the problem.

The attached program demonstrates the problem when sockets are used and that 
things look pretty clean when they are not.

There  seems to be both a thread leakage issue and a separate handle leakage 
issue.

 Invoking the program as:
 threadtest -sockets 0
creates groups of 5 threads simultaneously.  Each thread merely prints 
something and sleeps, prints something else and exits.  This is repeated 10 
times displaying the process handle count between each iteration.  While 
running and watching with Task Manager, the process thread counts seems to 
start at 2 and reach 7 at times and then return to 2.  The handle count 
grows during the first iteration but stays flat thereafter.

 Invoking the program as:
 threadtest -sockets 3
creates groups of 5 threads simultaneously.  Each thread merely prints 
something and sleeps, connects a socket to the main thread, passes a little 
data and closes the socket.  This socket business is repeated 3 times after 
which the thread prints something else and exits.  This is repeated 10 times 
displaying the process handle count between each iteration.  While running 
and watching with Task Manager, the process thread counts seems to start at 
2 and reach 14 during the each iteration and drops back to 9 between 
iterations.  The handle count grows significantly during the first iteration 
but seems to grow by 10 or 11 between each subsequent iteration. 
The -sockets 3 argument controls the number of sockets each thread creates 
during its life.  The amount of thread and handle leakage seems to be 
independent of the number of sockets the thread uses during its lifetime (as 
long as the number of sockets used is 1 or greater).

The number of threads created simultaneously can be controlled by 
specifying -threads n as command arguments.  The number of threads leaked 
seems to be directly related to the number of thread using sockets 
concurrently.  running the program with -sockets 3 and -threads 10 causes 
the thread count to jump to 24 during each iteration and drop back to 14 
between iterations, while the handle count seems to increase by 10 or 11 
between each iteration identical to the case described in the previous 
paragraph.

I hope this test can help someone familar enough with cygwin internals to 
help get this problem under control.

- Mark Pizzolato 
#include 
typedef enum _PROCESSINFOCLASS {
   ProcessHandleCount = 20,
} PROCESSINFOCLASS;
typedef LONG NTSTATUS;
int
GetHandleCount()
{
static NTSTATUS
(*lpNtQueryInformationProcess)(
HANDLE   ProcessHandle,
PROCESSINFOCLASS ProcessInformationClass,
PVOIDProcessInformation,
ULONGProcessInformationLength,
PULONG   ReturnLength ) = NULL;
static int bInit = 0;
int HandleCount = 0;
if (FALSE == bInit) {
lpNtQueryInformationProcess = (NTSTATUS ( *)(HANDLE, PROCESSINFOCLASS, PVOID, 
ULONG, PULONG))GetProcAddress(GetModuleHandle("ntdll.dll"), 
"NtQueryInformationProcess");
bInit = 1;
}
if (NULL != lpNtQueryInformationProcess) {
lpNtQueryInformationProcess( GetCurrentProcess(), 
ProcessHandleCount, &HandleCount, sizeof(HandleCount), NULL );
}
return HandleCount;
}

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
pthread_mutex_t mutex;
pthread_cond_t cond;
pthread_attr_t attr;
struct sockaddr_in server;
int sockets=2;
int threadgroup=5;
void *thread_code(void *arg)
{
int threadnum = (int) arg;
int i;
int s;
char buf[64];
pthread_mutex_lock(&mutex);
printf("Thread %d running...\n", threadnum);
pthread_mutex_unlock(&mutex);
for (i=0; i
main(int argc, char **argv)
{
int i, j, s;
pthread_t thr_id;
int true = 1;
int HandleCount;
	while (--argc>0) {
		++argv;
		if (!strcmp("-sockets", *argv)) {
			++argv; --argc;
			sockets = atoi(*argv);
			continue;
		}
		if (!strcmp("-threads", *argv)) {
			++argv; --argc;
			threadgroup = atoi(*argv);
			continue;
		}
		printf("Unknown argument: %s\n", *argv);\
		printf("Usage: threadtest -s n -t n\n");
		printf("where:\n");
		printf(" -sockets   specifies the number of sockets that each thread should\n");
		printf("use during its life.  Interesting values are 0, 1 and\n");
		printf("anything greater than 1.  The default value is 2.\n");
		printf(" -threads   specifies the nu

Re: 1.0-1: ping problem

[Shankar Unni]

Jason FU wrote:
$ ping www.cygwin.com
Do you have problems understanding a *SIMPLE* request?
Please provide the details as mentioned in the web page 
http://cygwin.com/problems.html.

In case that wasn't clear to you: Please provide the details as 
mentioned in the web page http://cygwin.com/problems.html.

And once again: Please provide the details as mentioned in the web page 
http://cygwin.com/problems.html.

Oh, and finally, please *read the page carefully*, and follow the 
instructions exactly. Don't interpret them or do "equivalent steps".

Thanks

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touch failing on network share

[Mark Paulus]

I have a network share set up on my 
OS/2 box using HPFS.  On that share, 
I have  directory:  cygmanaged, and under that, I have
a directory tmp2.

So, I can mount this directory as:

mount --system --binary -omanaged z:/cygmanaged/tmp2 /tmp2,
and it looks like everything is fine.

But, when I try to 'touch' any file/directory on that mount, I get this
error:  touch: setting times of `cygwin-equivs/': Permission denied

However, I can vi/edit/rm/mv or do just about anything else that I 
want to the file.  I just can't seem to do a touch on it.

Does anyone have any insight into touch as to what it is doing that might
be causing the permissions problem?

Thanks.

I just tested this on the raw share (/cygdrive/z/foo) and it still fails.  So,
it is not a managed mount problem/issue, but something deeper.



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Re: touch failing on network share

[Pierre A. Humblet]

On Fri, Jan 28, 2005 at 11:43:41AM -0700, Mark Paulus wrote:
> I have a network share set up on my 
> OS/2 box using HPFS.  On that share, 
> I have  directory:  cygmanaged, and under that, I have
> a directory tmp2.
> 
> So, I can mount this directory as:
> 
> mount --system --binary -omanaged z:/cygmanaged/tmp2 /tmp2,
> and it looks like everything is fine.
> 
> But, when I try to 'touch' any file/directory on that mount, I get this
> error:  touch: setting times of `cygwin-equivs/': Permission denied
> 
> However, I can vi/edit/rm/mv or do just about anything else that I 
> want to the file.  I just can't seem to do a touch on it.
> 
> Does anyone have any insight into touch as to what it is doing that might
> be causing the permissions problem?
> 
> Thanks.
> 
> I just tested this on the raw share (/cygdrive/z/foo) and it still fails.  So,
> it is not a managed mount problem/issue, but something deeper.

I have observed a similar problem with a XP HOME mounting a remote
Win98 drive. I traced it to SetFileTime failing, i.e. a MS issue.
"strace touch xxx" will show you what happens.

Pierre

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Re: Cron problem on Windows 2003

[Igor Pechtchanski]

On Fri, 28 Jan 2005, Ballarin Federico, PD wrote:

> We have cygwin ver. 1.5.12
> We try to install cygwin cron on Win 2003 with "cygrunsrv -I cron -p
> /usr/sbin/cron -a -D" string. We started service with "cygrunsrv -S
> cron". Service start all successfully.
> Our scripts don't start.
>
> When we try to install the cron service by user Administrator from bash,
> the administrato's scripts start.

Not the most obvious place to look for this, but read
/usr/share/doc/Cygwin/openssh.README, where it says "Important note for
Windows 2003 Server users".
HTH,
Igor
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Re: touch failing on network share

[Andrew DeFaria]

Pierre A. Humblet wrote:
On Fri, Jan 28, 2005 at 11:43:41AM -0700, Mark Paulus wrote:
I have a network share set up on my OS/2 box using HPFS. On that 
share, I have directory: cygmanaged, and under that, I have
a directory tmp2.

So, I can mount this directory as:
mount --system --binary -omanaged z:/cygmanaged/tmp2 /tmp2, and it 
looks like everything is fine.

But, when I try to 'touch' any file/directory on that mount, I get 
this error: touch: setting times of `cygwin-equivs/': Permission denied

However, I can vi/edit/rm/mv or do just about anything else that I 
want to the file. I just can't seem to do a touch on it.

Does anyone have any insight into touch as to what it is doing that 
might be causing the permissions problem?

Thanks.
I just tested this on the raw share (/cygdrive/z/foo) and it still 
fails. So, it is not a managed mount problem/issue, but something deeper.
I have observed a similar problem with a XP HOME mounting a remote 
Win98 drive. I traced it to SetFileTime failing, i.e. a MS issue.
"strace touch xxx" will show you what happens.

Pierre
This is interesting and sounds very familiar to a problem I had with 
using Rational Clearcase. I would mount a snapshot view using Cygwin (I 
forget its behavior on dynamic views) and touch would likewise fail WRT 
setting times.

Seems to me that it's a file system issue as you were using an HPFS from 
OS/2. Interestingly Clearcase uses a different file system to. I wonder, 
that Win 98 drive is also a different file system (FAT). Could it be 
that SetFileTime only works with NTFS? Is there another Windows call to 
SetFileTime(s) on FAT and otherwise foreign file systems like HPFS 
and/or vendor supplied file systems such as Clearcase's?
--
Young at heart. Slightly older in other places.

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Re: Cron problem on Windows 2003

[Pierre A. Humblet]

On Fri, Jan 28, 2005 at 02:11:47PM -0500, Igor Pechtchanski wrote:
> On Fri, 28 Jan 2005, Ballarin Federico, PD wrote:
> 
> > We have cygwin ver. 1.5.12
> > We try to install cygwin cron on Win 2003 with "cygrunsrv -I cron -p
> > /usr/sbin/cron -a -D" string. We started service with "cygrunsrv -S
> > cron". Service start all successfully.
> > Our scripts don't start.
> >
> > When we try to install the cron service by user Administrator from bash,
> > the administrato's scripts start.
> 
> Not the most obvious place to look for this, but read
> /usr/share/doc/Cygwin/openssh.README, where it says "Important note for
> Windows 2003 Server users".

There is also
http://cygwin.com/ml/cygwin-announce/2005-01/msg4.html
announcing the availability of /usr/bin/cron-config

Pierre


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Re: Cron problem on Windows 2003

[Igor Pechtchanski]

On Fri, 28 Jan 2005, Pierre A. Humblet wrote:

> On Fri, Jan 28, 2005 at 02:11:47PM -0500, Igor Pechtchanski wrote:
> > On Fri, 28 Jan 2005, Ballarin Federico, PD wrote:
> >
> > > We have cygwin ver. 1.5.12
> > > We try to install cygwin cron on Win 2003 with "cygrunsrv -I cron -p
> > > /usr/sbin/cron -a -D" string. We started service with "cygrunsrv -S
> > > cron". Service start all successfully.
> > > Our scripts don't start.
> > >
> > > When we try to install the cron service by user Administrator from bash,
> > > the administrato's scripts start.
> >
> > Not the most obvious place to look for this, but read
> > /usr/share/doc/Cygwin/openssh.README, where it says "Important note for
> > Windows 2003 Server users".
>
> There is also
> http://cygwin.com/ml/cygwin-announce/2005-01/msg4.html
> announcing the availability of /usr/bin/cron-config

Right.  I'm wondering whether the above section from the openssh.README
should be copied to /usr/share/doc/Cygwin/cron.README?  The cron.README
could also use some more info about what the cron-config script, similar
to that in the openssh.README.
Igor
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Re: Cron problem on Windows 2003

[Pierre A. Humblet]

Igor Pechtchanski wrote:

> 
> Right.  I'm wondering whether the above section from the openssh.README
> should be copied to /usr/share/doc/Cygwin/cron.README?  The cron.README
> could also use some more info about what the cron-config script, similar
> to that in the openssh.README.

Right. Comments about the following blurb?

Pierre

This is the Cygwin port of Paul Vixie's cron-3.01. 
The script /usr/bin/cron-config can be used to install
cron as a service on all Windows platforms supported by Cygwin.

Note that on NT systems, cron relies on the Cygwin feature to be able
to switch the user context without password. On NT/W2K, it can
run under SYSTEM account, while on Win2003 it must run under an
account with special privileges.
In both those cases, the child processes may not have access to
net shares. An alternative is to run the service under your own
account. This gives access to net shares but does not allow to
run the crontab of other users.

Important:  Make sure you have a Cygwin MTA (e. g. either exim or ssmtp)
installed and configured!  Cron tries to access the MTA by calling
/usr/sbin/sendmail.  On Cygwin this is usually a symlink pointing to the
appropriate binary.  This symlink gets created by the MTA's configuration
scripts (e. g. /usr/bin/exim-config or /usr/bin/ssmtp-config).

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su alternative for Win2k

[Jonathan Arnold]

I was just installing postgreSQL and ran across the problem with
getting initdb to run as the postgres user. As expected, I could
neither su nor login to work. Searching the archives and the like
for a fix, the most often specified one was to use ssh.  But as I
don't run sshd, and it seems a shame to have to run this just to
get an su-like behaviour, that wouldn't work for me.
I finally hit upon the following solution.  Maybe its in the archives,
maybe not, but I thought I would post it (again?) to maybe save someone
the hour or so I spent thrashing around the problem.
1] Create a shortcut to bash on your desktop
2] Now right-click on it and select Properties
3] Select the Shortcut tab and append the '-l' (that's dash el) to the
Target: to make it be a login shell
4] a] Win2k : Select the "Run as different user" check box
   b] WinXP : click on the Advanced button and check "Run with
  different credentials"
Now when you click this shortcut, you will be prompted for the user to
run bash as.  Type in postgres and the password, and voila - you have a
bash shell running as the selected user. Make running initdb and, just
as importantly, createuser a piece of cake.  Assuming, of course, you have
the paths correct.
--
Jonathan Arnold (mailto:[EMAIL PROTECTED])
Amazing Developments   http://www.buddydog.org
I feel like a fugitive from the law of averages. -
 William H. Mauldin
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Re: su alternative for Win2k

[Andrew DeFaria]

Jonathan Arnold wrote:
I was just installing postgreSQL and ran across the problem with 
getting initdb to run as the postgres user. As expected, I could 
neither su nor login to work. Searching the archives and the like for 
a fix, the most often specified one was to use ssh.  But as I don't 
run sshd, and it seems a shame to have to run this just to get an 
su-like behaviour, that wouldn't work for me.

I finally hit upon the following solution.  Maybe its in the archives, 
maybe not, but I thought I would post it (again?) to maybe save 
someone the hour or so I spent thrashing around the problem.

1] Create a shortcut to bash on your desktop
2] Now right-click on it and select Properties
3] Select the Shortcut tab and append the '-l' (that's dash el) to the 
Target: to make it be a login shell

4] a] Win2k : Select the "Run as different user" check box
   b] WinXP : click on the Advanced button and check "Run with
  different credentials"
Now when you click this shortcut, you will be prompted for the user to 
run bash as.  Type in postgres and the password, and voila - you have 
a bash shell running as the selected user. Make running initdb and, 
just as importantly, createuser a piece of cake.  Assuming, of course, 
you have the paths correct.
No need to go through all those steps. Just use runas (try runas /?). 
It's a Windows command that does essentially what you want from the 
command line.

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Re: Problem uninstalling/deleting cygwin

[Peter A. Castro]

On Thu, 27 Jan 2005, Joshua Daniel Franklin wrote:

> Larry Hall wrote:
> > At 02:10 PM 1/26/2005, you wrote:
> > >I will be adding
> > >doc to the webpage talking about the perils of downgrading, but in truth
> > >this subject should be noted in the normal FAQ concerning reverting to
> > >the previous version as well.
> >
> > The Cygwin FAQ doesn't seem to be the right place for the Cygwin
> > version of this information though.  Maybe the UG is?  Joshua, what's your
> > thoughts on this?
>
> I agree with Peter that the this is a common problem on any OS, but I
> try not to put any generic good ideas in the FAQ, only ones specific to
> Cygwin. Sort-of the same thing with the User's Guide, the reader is
> expected to have a certain level of computer knowledge and common
> sense.

Hmm... As someone who writes doc for a product I produce (and have had to
revise many times as customers often make assumptions which are usually
quite wrong), I'm torn on this issue.  Yes, we would expect a certain
level of competency and common sense, but for first or second time users
that may not be the case.  Even for seasoned veterans, diddling with a
previously unknown/unused package can lead to surprise.

Consider that most package management systems do not give the option to
install a previous version of a product.  I think this is somewhat unique
to Cygwin's Setup.  Additionally, we'd like to assume that removing a
package would clean everything related to it and new installations would
properly update anything it needs to.  In practice, this is often not
true and is really quite specific on a product/package basis.  Witness
Windows' own program manager which, even when a product has been removed.
often leaves bits of itself in directories (and espectially in the
Registry).  Subsequent installations/upgrades can either take advantage
of these droppings or (more often) cause problems because the environment
isn't clean.

I guess, part of the professionalism of a product, is to provide as much
meaningful information as possible, but also to account for the "cock-pit
errors" that commonly occur and give warnings concerning them.  It's
often a helpful reminder for the newbie as well as the seasoned user that
"shift happens".

-- 
Peter A. Castro <[EMAIL PROTECTED]> or <[EMAIL PROTECTED]>
"Cats are just autistic Dogs" -- Dr. Tony Attwood

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Re: su alternative for Win2k

[Andrew Schulman]

> I was just installing postgreSQL and ran across the problem with
> getting initdb to run as the postgres user. As expected, I could
> neither su nor login to work. Searching the archives and the like
> for a fix, the most often specified one was to use ssh.  But as I
> don't run sshd, and it seems a shame to have to run this just to
> get an su-like behaviour, that wouldn't work for me.

Now I'm curious.  I haven't tried to search for bug reports on su in 
Cygwin.  But it's never worked for me.  I always figured that I was just 
doing something wrong, but it was never important enough to find out 
what it was and fix it-- I just used 'Run As' instead, as you suggest.

So now I wonder, is it not just me?  Is su in Cygwin broken for 
everyone?

Thanks,
A.


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Re: touch failing on network share

[Christopher Faylor]

On Fri, Jan 28, 2005 at 11:26:21AM -0800, Andrew DeFaria wrote:
>Is there another Windows call to SetFileTime(s) on FAT and otherwise
>foreign file systems like HPFS and/or vendor supplied file systems such
>as Clearcase's?

Yes.  It's the "SetFileTimeCorrectlyOnHPFSandClearCase()" call.

Unfortunately it take 42 arguments and we've only figured out the first
29.

cgf

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Re: Cron problem on Windows 2003

[Igor Pechtchanski]

On Fri, 28 Jan 2005, Pierre A. Humblet wrote:

> Igor Pechtchanski wrote:
>
> > Right.  I'm wondering whether the above section from the openssh.README
> > should be copied to /usr/share/doc/Cygwin/cron.README?  The cron.README
> > could also use some more info about what the cron-config script, similar
> > to that in the openssh.README.
>
> Right. Comments about the following blurb?
>
> Pierre
>
> This is the Cygwin port of Paul Vixie's cron-3.01.
> The script /usr/bin/cron-config can be used to install
> cron as a service on all Windows platforms supported by Cygwin.
>
> Note that on NT systems, cron relies on the Cygwin feature to be able
> to switch the user context without password. On NT/W2K, it can
> run under SYSTEM account, while on Win2003 it must run under an
> account with special privileges.
> In both those cases, the child processes may not have access to
> net shares. An alternative is to run the service under your own
> account. This gives access to net shares but does not allow to
> run the crontab of other users.
>
> Important:  Make sure you have a Cygwin MTA (e. g. either exim or ssmtp)
> installed and configured!  Cron tries to access the MTA by calling
> /usr/sbin/sendmail.  On Cygwin this is usually a symlink pointing to the
> appropriate binary.  This symlink gets created by the MTA's configuration
> scripts (e. g. /usr/bin/exim-config or /usr/bin/ssmtp-config).

I don't know, I kind of prefer the way it's phrased in the openssh.README
(i.e., a special note about the user privileges in Win2003, rather than a
common description).  That README also has a nice step-by-step description
of what sshd-host-config does, so that the users have the option to do the
installation steps manually (or verify that the needed things were
created).  But hey, I don't use cron extensively, and I certainly can't
speak for new users...
Igor
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Re: su alternative for Win2k

[Igor Pechtchanski]

On Fri, 28 Jan 2005, Andrew Schulman wrote:

> So now I wonder, is it not just me?  Is su in Cygwin broken for
> everyone?


Igor
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Re: touch failing on network share

[Andrew DeFaria]

Christopher Faylor wrote:
On Fri, Jan 28, 2005 at 11:26:21AM -0800, Andrew DeFaria wrote:
Is there another Windows call to SetFileTime(s) on FAT and otherwise 
foreign file systems like HPFS and/or vendor supplied file systems 
such as Clearcase's?
Yes. It's the "SetFileTimeCorrectlyOnHPFSandClearCase()" call.
So then - You Found It! Good for  you! :-)
Unfortunately it take 42 arguments and we've only figured out the 
first 29.
Keep working at it Chris. We know you can do it.
So then, when can we expect a fix?
For the humor impaired: :-) :-)
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Re: su alternative for Win2k

[Jonathan Arnold]

Andrew Schulman wrote:
I was just installing postgreSQL and ran across the problem with
getting initdb to run as the postgres user. As expected, I could
neither su nor login to work. Searching the archives and the like
for a fix, the most often specified one was to use ssh.  But as I
don't run sshd, and it seems a shame to have to run this just to
get an su-like behaviour, that wouldn't work for me.

Now I'm curious.  I haven't tried to search for bug reports on su in 
Cygwin.  But it's never worked for me.  I always figured that I was just 
doing something wrong, but it was never important enough to find out 
what it was and fix it-- I just used 'Run As' instead, as you suggest.

So now I wonder, is it not just me?  Is su in Cygwin broken for 
everyone?
Yes, according to the FAQ, su is essentially unsupported.  One suggestion
is to use 'login' but that also requires lots of research and changing of
security parameters and the like.  I couldn't really get RunAs to work for
me. It wouldn't let me type in a password.  I like the shortcut because now
I can get a real bash shell for any of my "users" at the click of a mouse.
--
Jonathan Arnold (mailto:[EMAIL PROTECTED])
Amazing Developments   http://www.buddydog.org
I feel like a fugitive from the law of averages. -
 William H. Mauldin
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Re: Problem uninstalling/deleting cygwin

[Christopher Faylor]

On Fri, Jan 28, 2005 at 01:09:26PM -0800, Peter A. Castro wrote:
>I guess, part of the professionalism of a product, is to provide as much
>meaningful information as possible, but also to account for the "cock-pit
>errors" that commonly occur and give warnings concerning them.

The adjective "meaningful" is a highly subjective one.  Let's not go
there.

>It's often a helpful reminder for the newbie as well as the seasoned
>user that "shift happens".

I don't know who's supposed to be reminding these people of that but
just so we don't wander into off-topic territory discussing what
"professionalism" means and having everyone relate their "27 years of
documentating so I know what I'm talking about", let me just say that I,
as one of the Cygwin project managers, agree with Joshua's philosophy
and don't want to see it change.

(I feel that I have to keep a closer reign on this type of discussion
since apparently I've been doing a poor job and letting all sorts of
off-topic crap go on for far too long.)

So, let's just let Joshua handle things the way he wants to and not have
a discussion about whether we need to flesh out the documentation with
concepts like managing multiple versions of software or reverting to
older versions.

cgf
(who has more than 27 years of meaningful documentation writing
experience)

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Re: su alternative for Win2k

[Andrew DeFaria]

Andrew Schulman wrote:
I was just installing postgreSQL and ran across the problem with 
getting initdb to run as the postgres user. As expected, I could
neither su nor login to work. Searching the archives and the like for 
a fix, the most often specified one was to use ssh. But as I
don't run sshd, and it seems a shame to have to run this just to get 
an su-like behaviour, that wouldn't work for me.
Now I'm curious. I haven't tried to search for bug reports on su in 
Cygwin. But it's never worked for me. I always figured that I was just
doing something wrong, but it was never important enough to find out 
what it was and fix it-- I just used 'Run As' instead, as you suggest.

So now I wonder, is it not just me? Is su in Cygwin broken for everyone?
Try doing what you neglected to do, which is search for bug reports on 
su in Cygwin. You'll end up answering your own question, one that's been 
answered here time and time again...
--
If you have a difficult task, give it to a lazy person; they'll find an 
easier way to do it.

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Re: su alternative for Win2k

[Christopher Faylor]

On Fri, Jan 28, 2005 at 04:31:02PM -0500, Igor Pechtchanski wrote:
>On Fri, 28 Jan 2005, Andrew Schulman wrote:
>>So now I wonder, is it not just me?  Is su in Cygwin broken for
>>everyone?
>
>

So, who do we have to su to get this working?

cgf
*squawk*

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Re: touch failing on network share

[Christopher Faylor]

On Fri, Jan 28, 2005 at 01:44:47PM -0800, Andrew DeFaria wrote:
>Christopher Faylor wrote:
>
>>On Fri, Jan 28, 2005 at 11:26:21AM -0800, Andrew DeFaria wrote:
>>
>>>Is there another Windows call to SetFileTime(s) on FAT and otherwise 
>>>foreign file systems like HPFS and/or vendor supplied file systems 
>>>such as Clearcase's?
>>
>>Yes. It's the "SetFileTimeCorrectlyOnHPFSandClearCase()" call.
>
>So then - You Found It! Good for  you! :-)
>
>>Unfortunately it take 42 arguments and we've only figured out the 
>>first 29.
>
>Keep working at it Chris. We know you can do it.
>
>So then, when can we expect a fix?

Sadly, I need a Cray to do any further analysis.

I guess it's time to start up the donations again...

cgf

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RE: touch failing on network share

[Adam Heinz]

>>>Yes. It's the "SetFileTimeCorrectlyOnHPFSandClearCase()" call.

> Sadly, I need a Cray to do any further analysis.
> 
> I guess it's time to start up the donations again...

I just installed the [EMAIL PROTECTED] screen saver.  Everybody, do your
part!

Adam

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Re: Cron problem on Windows 2003

[Pierre A. Humblet]

Igor Pechtchanski wrote:
> 
> 
> I don't know, I kind of prefer the way it's phrased in the openssh.README
> (i.e., a special note about the user privileges in Win2003, rather than a
> common description).  That README also has a nice step-by-step description
> of what sshd-host-config does, so that the users have the option to do the
> installation steps manually (or verify that the needed things were
> created).  But hey, I don't use cron extensively, and I certainly can't
> speak for new users...

Thanks for the feedback, Igor.
The need for the special user is generic to all services
(sshd, crond, exim...). Instead of repeating the same
info in all the readmes, I will refer to

although that section should be corrected and expanded.

Pierre

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Re: touch failing on network share

[Andrew DeFaria]

Adam Heinz wrote:
Yes. It's the "SetFileTimeCorrectlyOnHPFSandClearCase()" call.

Sadly, I need a Cray to do any further analysis.
I guess it's time to start up the donations again...
I just installed the [EMAIL PROTECTED] screen saver. Everybody, do your 
part!
A SFT... what (sound of a plane flying way over head).
OK you got me. What's [EMAIL PROTECTED] screen saver?
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RE: touch failing on network share

[Adam Heinz]

> Yes. It's the "SetFileTimeCorrectlyOnHPFSandClearCase()" call.

>>> Sadly, I need a Cray to do any further analysis.
>>>
>>> I guess it's time to start up the donations again...

>> I just installed the [EMAIL PROTECTED] screen saver. 
>> Everybody, do your part!

> A SFT... what (sound of a plane flying way over head).
> 
> OK you got me. What's [EMAIL PROTECTED] screen saver?

I left a hint in the quoted message!  ;)

Adam

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Re: touch failing on network share

[Andrew DeFaria]

Adam Heinz wrote:
Yes. It's the "SetFileTimeCorrectlyOnHPFSandClearCase()" call.


Sadly, I need a Cray to do any further analysis.
I guess it's time to start up the donations again...


I just installed the [EMAIL PROTECTED] screen saver.
Everybody, do your part!


A SFT... what (sound of a plane flying way over head).
OK you got me. What's [EMAIL PROTECTED] screen saver?

I left a hint in the quoted message! ;)
Adam
Ah, I get it now. Sorry, when acronyms get beyond 3 or 4 letters I 
usually give up!

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Re: su alternative for Win2k

[Andrew Schulman]

> On Fri, 28 Jan 2005, Andrew Schulman wrote:
> > So now I wonder, is it not just me?  Is su in Cygwin broken for
> > everyone?
>
> 

Thank you.  As I said, I never bothered to look into it...  Guess it's time to 
read the FAQs.  Regards, Andrew.

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Re: port of linux code: linker does not find .a

[Mirko]

Mirko wrote:
Hi,
I am trying to compile a c code that has been developed on linux 
(monte-carlo plasma simulation).

(Ahem, keep in mind that I am not a master programmer or linux user, so 
I may be going a bit over my head)

The code consists of two utilities, xgrafix and xdp1.  xgrafix creates a 
 library that xpdp1 is supposed to link to.

I managed to compile the xgrafix and generate the library (the makefile 
uses the ar command for that).  However, when trying to link xpdp1, the 
linker fails to recognize the xgrafix library, even though the path is 
correct or if I move the library to the working directory.

 From browsing the cygwin mailing list I gleaned that I may in fact need 
to create a .dll and not an .a and that the linker is failing because it 
can link only with a dll.  Correct?So my question is three-fold:

1) am I supposed to create a dll instead of an a(rchive)
2) if so, should I use the instructions in the cygwin docs regarding the 
makings of a dll?  I ask that because in those instructions, we use gcc 
while in the original makefile, we used ar.
3) Is cygwin the right environment for this?  I like to have it on my 
pc, and would rather not have to learn to use mingw.

Thanks,
Mirko

Well, half an hour after posting my question, I was poking at the mingw 
site I found a link to a tutorial that mentined the -lXXX and libXXX.a 
naming convention.  Sure enough, when I applied the correct naming 
scheme the linker found the library.  I now have other issues and 
questions, but I want to tinker a bit more before coming out more questions.

Mirko
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