On 08/27/2016 10:33 AM, Edward Ned Harvey (lopser) wrote:
From: tech-boun...@lists.lopsa.org [mailto:tech-boun...@lists.lopsa.org]
On Behalf Of Matt Lawrence
I have about 35 systems I need to convert from various versions of RHEL
6.x to CentOS. There are a number of guides for doing this with
I have about 35 systems I need to convert from various versions of RHEL
6.x to CentOS. There are a number of guides for doing this with a bunch
of manual steps that I can follow, but if I can find a pre-written
script it would save me some work. Suggestions?
-- Matt
_
I'm currently running BackupPC as a backup solution for my home
network. I like the functionality, but it is slow, probably because of
the Perl compression libraries. Any suggestion for a replacement with
similar functionality? I particularly like the web interface both for
checking status a
On 03/07/2016 01:51 PM, Dan Ritter wrote:
On Mon, Mar 07, 2016 at 07:55:33PM +0100, Guus Snijders wrote:
Op 7 mrt. 2016 14:02 schreef "Jack Coats" :
If that is the case, it should be great for 'i just erased my last weeks
work' problem, but disaster recovery would be a issue (or for any non-
To follow up on this.
I've been fighting a bad cold all week, so I haven't got DKIM & SPF
configured yet. So, I decided to run a test by sending email to my
gmail account (which is forwarded back to me on my mail server). Worked
fine. So, testing these fixes is going to be a bigger challenge
Apparently gmail is delivering some mail from me marked as spam and
trashing a lot of the rest. This is a horrible violation of the RFCs
and it's causing me some real problems in my life. How do I get them to
quit doing such evil things? I own my own domain and mail server and
I'm the only o
Since I know there are some FreeBSD fans hanging out here (Hi Lars), I
thought I would ask here.
I've been building up a machine to use as a FreeNAS server and I have
run into a couple of problems. First, the FreeNAS installer just hangs
while booting when I have a Compact Flash installed in
On 01/23/2015 02:11 PM, Frank Bulk wrote:
I'd like to point out the new Linksys WRT1200AC, introduced at CES. Seems
to have all the latest Wi-Fi hardware and is designed for opensource use.
It doesn't seem to be available from Amazon, Newegg or Fry's. Maybe
I'll go for something that has
Since my mail server is working now, it's time to break my home network
again, but in a different way.
I'm currently using a Soekris net4801 (running CentOS 4) as a
firewall/router/DHCP server for my home network and a WRT-54 for an
Access Point.I think it's time to move up to something a litt
On 01/22/2015 08:17 PM, John Stoffel wrote:
Its good you got this working. I'm curious what process you're using
for outgoing email so you don't get dropped into spam, and what you're
doing with reading email from your phone or other IMAP device?
My server at home is sitting on a static address
On 01/12/2015 06:09 PM, John Stoffel wrote:
In any case, this has been an interesting discussion. Please do a
writeup when you're done and share it with us if you can please. I'd
love to know your reasoning for various decisions, just so we can all
er fnitpick them for you. *grin* Cheers, John
On Mon, 12 Jan 2015, Smith, David wrote:
According to this RHEL bug: https://bugzilla.redhat.com/show_bug.cgi?id=428996
Postfix 2.4 (and below, presumably, including 2.3 which was packaged with
CentOS 5) used off_t for file offsets, which appears to be a 32-bit value on
CentOS 5 32-bit. So tha
On Mon, 12 Jan 2015, Brandon Allbery wrote:
On Mon, Jan 12, 2015 at 9:49 AM, Matt Lawrence wrote:
Maybe you need to check if your alpine has the 2GB limit and chokes? If
it's 32 bit then I could see internal indexes failing on >2GB files.
Postfix bounced messages that would cause t
On Mon, 12 Jan 2015, Smith, David wrote:
What file system are you using? The 2GB limit doesn't sound like anything
related to Postfix (unless you set Postfix's mailbox_size_limit directive years
ago then forgot about it).
ext3. I have other files larger than 2GB on the server, so I doubt it
On Sun, 11 Jan 2015, John Sellens wrote:
I believe that the Pine mail client had IMAP support if not right
from the start, very early on.
In this discussion, I'm not clear on how Matt is currently accessing
his mail (direct from mbox, IMAP, POP), or how the mail is stored
on the server (mbox, m
On Sun, 11 Jan 2015, Brandon Allbery wrote:
On Sun, Jan 11, 2015 at 11:03 PM, Matt Lawrence
wrote:
Ok. I guess my biggest concern is how to migrate my inbox. Hopefully the
Dovecot and/or the Cyrus documentation will give me some clues. Like I
said, I haven't touched a mail s
On Sun, 11 Jan 2015, David Lang wrote:
On Sun, 11 Jan 2015, Matt Lawrence wrote:
Ok, I have no idea how to use alpine to migrate. You've kind of lost me.
configure alpine so that it can both read your existing mail and your IMAP
server, select all mail from the folder containing
On Sun, 11 Jan 2015, Brandon Allbery wrote:
On Sun, Jan 11, 2015 at 10:55 PM, Matt Lawrence
wrote:
Ok, I have no idea how to use alpine to migrate. You've kind of lost me.
Alpine is a rewrite of Pine with IMAP support. So you can access your Pine
mailboxes as is, and also an IMAP s
On Sun, 11 Jan 2015, Brandon Allbery wrote:
Definitely overkill. I used to do that; my excuse is that it was my testbed
for a departmental upgrade. For small setups, dovecot makes more sense.
Alpine is still the tool for migration from Pine to IMAP, though (and
possibly continuing...).
Ok, I h
Ok, I have gotten myself in a bit of a situation with my personal email
server.
I've been running Postfix as a mail server for many years, it's currently
running on a CentOS 5 system. I've also been using pine (or alpine) to
read my email for decades. Well, it appears that Postfix may have a
On Wed, 12 Nov 2014, Will Dennis wrote:
Do check out Ansible; it was incredibly easy to get started doing useful
stuff with it, and it's done everything I've needed it to do so far
without a lot of fuss.
I've started using Ansible because of some of the annoying restrictions in
my environmen
On Fri, 10 Oct 2014, Josh Smift wrote:
Now, if it was basic electrical power, maybe that would be true. The power
company certainly shouldn't be offering you a discount on your electric
bill, with the caveat that they can turn off your power whenever other
higher-paying customers need more. Righ
On Mon, 15 Sep 2014, Morgan Blackthorne wrote:
Agree with the RAM. 4G is on the low side for 7.
It's a Mini-ITX that maxes out at 4GB. Tha main use is running iTunes
(blech!) to sync my phone. When I manage to go back to school, I will
probably also use it for those documents and websites
It's time for me to quit fighting and go ahead with an upgrade of my one
Windows system at home to Win7. I hate to spend the money, but it looks
like the way to go. So my questions are: What flavor of Win7 to buy and
what do you recommend for anti-virus?
The technical details are that it's a
On Tue, 11 Mar 2014, john boris wrote:
Just to close this out. I made a call to Datasavers and the cost would be
in the range of $740 to $2700 based on what was wrong. After telling my
boss that and reviving him I gave the hard drive one more shot and got it
back up and running. I must have done
On Mon, 17 Feb 2014, Brad Beyenhof wrote:
I’ve used FAI & cobbler, but prefer the latter. I like the hybrid web
GUI / CLI aspect of cobbler. My current workplace uses a PXE/kickstart
server that works OK; I just don’t like having to KVM into the box just
to force PXE boot & start the kickstart
On Sun, 16 Feb 2014, Tom Limoncelli wrote:
Does anyone have direct experience with Crowbar, Cobbler or other "bare
metal" provisioning systems? I'd be interesting in hearing your opinion.
I've worked with crowbar some. Neat idea, but the implemtation leaves a
bit to be desired. There weren
On Thu, 19 Sep 2013, Andrew Hume wrote:
i am trying to help figure out a weird incompatibility issue.
i am ftp'ing from a linux box to a ftp server running on a windows nt system.
when i cd \internal
i get a 550 access denied error (we're in passive mode).
\internal is under AD control.
when th
I'm having problems with some pages causing Firefox to saturate my netbook
CPU. While I can restart everything, it would be nice if I could just go
kill the misbehaving page. Is there a Firefox plugin that will give me
perfomance information by page?
-- Matt
It's not what I know that counts.
On Fri, 9 Aug 2013, Will Dennis wrote:
We'd like to move to IP KVMs, where we can bring up the console remotely
(working in computer rooms sucks as you all know...) Probably 16-port
units, although 8-port may be acceptable in some cases. Be great to
support more than one concurrent connection
On Mon, 5 Aug 2013, Šarūnas wrote:
On 08/05/2013 11:16 AM, Brandon Allbery wrote:
On Mon, Aug 5, 2013 at 8:25 AM, Šarūnas mailto:saru...@mail.saabnet.com>> wrote:
Not much experience with iTunes, but the "correct" way around this might
be to back-up/duplicate/export your iTunes stuff,
On Mon, 5 Aug 2013, Rob Cherveny wrote:
-Original Message-
From: tech-boun...@lists.lopsa.org [mailto:tech-boun...@lists.lopsa.org] On
Behalf Of Matt Lawrence
So far doing a disk image backup/restore has left me with a 100GB partition
that can't be resized, when it will boot a
On Mon, 5 Aug 2013, Edward Ned Harvey (lopser) wrote:
Why do you want to think about sector sizes and partition tables?
I'm pretty sure Acronis TrueImage has a trial period. Just backup the
whole disk, then boot from rescue, and restore the whole disk.
If not, then consider Paragon Backup &
On Sun, 4 Aug 2013, David Veer wrote:
Yes, typically ill migrate the install from one disk to another with
clonezilla and then expand the disk with gparted to resize the file
system to the desired size.
If the boot record has been changed in some way after that you can
re-write that info by
On Sun, 4 Aug 2013, David Veer wrote:
What about the bootable gparted or running it from a Ubuntu live cd?
That's what I used to resize all my partitions after migrating them
between disks on different laptops. I've had good luck thus far.
Do the WinXP partitions still boot?
-- Matt
It's not
On Sun, 4 Aug 2013, Atom Powers wrote:
I recommend a re-install using the old disk as reference for any software
and data you need to migrate. If that really isn't an option then you can
probably recover your systems by booting off the XP install CD and using
System Recovery to rebuild the boot
I admit that I'm a Unix/Linux kind of guy, so I could use some help here.
I have a WinXP system that only get used to deal with my iPhone that I am
trying to upgrade the hard drive in. The box (mini-ITX) only has room for
a single notebook drive, but I can connect 2 drives with the cover off.
I'm running into a problem with using racadm to issue commands to iDRACs
and CMCs. I'm getting an error message (to stdout) about the self-signed
certificate that comes on the unit. What do people recommend as a
remediation, or should I just live with it? For that matter, are there
any recom
I am seeing a bit of a trend away from Top Of Rack switches to middle of
rack switches (although TOR is a much better acronym). I think it may be
a better way to go than what I have currenty set up as I build new racks.
Not only do I think the reduced cable density would be a huge improvement,
Has anyone here used OpenDCIM? If so, what did you think of it? Are
there any other recommendations in that space?
-- Matt
It's not what I know that counts.
It's what I can remember in time to use.
___
Tech mailing list
Tech@lists.lopsa.org
https://l
We are currently using Rackwise (rackwise.com) for managing inventory in a
lab. It is a very MicroSoft centric product that entends Visio for use as
a user interface and leans heavily on the report generator for SQL Server.
The problem that I am having is that I haven't been able to figure out
On Wed, 10 Apr 2013, Michael Ryder wrote:
I think it very much depends on:
- how many "a bunch" is
(2) power cords, (3) Cat 6, (2) 10Gbit Force 10, (1) Avocent KVM
- what your wiring looks like
This is starting in an empty rack
- how you manage airflow in your rack(s)
Ummm, not so wel
We just received a bunch of 1U servers with cable managment arms (customer
ordered the arms) and I though I would appeal to the collective wisdom of
LOPSA. It has been years since I have used cable managment arms and even
then, they were on much larger systems. These are a bunch of 1U servers
On Tue, 9 Apr 2013, Brian Ruppert wrote:
If you're writing an application which will connect to a SOAP web service
(the WSDL is a description of what methods are provided by the web
service), you might want to look into SoapUI. It's basically a generic
client which takes a WSDL and allows you
On Tue, 9 Apr 2013, Adam Tauno Williams wrote:
On Mon, 2013-04-08 at 22:22 -0500, Matt Lawrence wrote:
I have never done much of anything with WSDL and really don't know much
about it. Can anyone recommend a good primer on it? I need to get up to
speed on it so I can write some co
I have never done much of anything with WSDL and really don't know much
about it. Can anyone recommend a good primer on it? I need to get up to
speed on it so I can write some code to interface with an inventory
system.
-- Matt
It's not what I know that counts.
It's what I can remember in ti
On Fri, 5 Apr 2013, Brad Bendily wrote:
Installing Dell OpenManage installs the Dell MiBs. You can use these to
then roll your own SNMP monitoring script.
Find the MIBs of things that are important to you and just monitor those.
While I'm quite capable of writing my own monitoring solution, I
Yet another monitoring question. Since I work in an environment that is
almost exclusively Dell, and I'm looking for a monitoring solution, I'm
wondering if any of the popular monitoring solutions out there leverage
the various tools in the OpenManage family. It's a lot easier to tell
people
In my current job I'm using Rackwise for tracking lab inventory. It was
here when I arrived and so that's what I'm supposed to use.
For those that haven't used it, the interface is through a Visio addon,
which is handy for making small numbers of changes. It's also possible to
export and imp
This is a bit of a rant, so adjust your filters accordingly.
I'm currently doing some work not really production datacenter (unless you
ask the developers) that has a variety of systems. Some of the systems
I'm dealing with are the 4 servers in 2U variety. It's a neat idea, but
great care ne
On Wed, 3 Apr 2013, john boris wrote:
Okay here at $WORK they are going to iPhones. The default is to get the
iPhone 4s 16gb. a 5s option is available but they are pushing the 4s
because it is cheaper. For all the iPhone users on the list what are the
big reason to push to get the iPhone 5s.
i
I need to order a few dozen Y power cables for some equipment installs.
Who are your favorite vendors?
-- Matt
It's not what I know that counts.
It's what I can remember in time to use.
___
Tech mailing list
Tech@lists.lopsa.org
https://lists.lopsa.org
On Fri, 22 Mar 2013, Ski Kacoroski wrote:
We found a product call Up.Time (http://www.uptimesoftware.com/) that works
well for us. We like it because:
1. It ties into VCenter and immediately starts basic monitoring of new VMs,
2. For windows machines it uses WMI so no agent needed
3. The ag
I'm looking for detailed suggestions for products to help label cables.
The situation is that we are getting more and more 10Gb networking that
runs over cables with integrated SFPs. These are only in black, so they
really need labels. We have a couple of Dymo Rhino 5200 label printers or
las
On Sat, 9 Mar 2013, Brian Gold wrote:
If these physical hosts are running dell open manage, you can monitor them
and gather historical data for trending via the nagios check_openmanage
plugin.
Some of them I have enough control over to run that, but for quite a
number I can't. That's why I'm
I have a datacenter full of Dell equipment I need to monitor. While the
higher level monitoring is (sort of) taken care of, the low level
monitoring isn't. So I'm looking for tools (Open Source preferred but not
required) that will do low level monitoring via IPMI and/or iDRAC
interfaces and
On Wed, 27 Feb 2013, John BORIS wrote:
Is there any way to get the Ubuntu machine to play by the rules? I did
see something on the Net that mentioned some copy bug and I am wondering
if this is it.
I recommend you drop to the command line and use rsync. Just remember
that trailing slashes a
Believe it or not, this really is a technical question that is sysadmin
related.
I've just started a new job where I am spending lots of time in a very
noisy datacenter. Currently I wear earplugs and/or earmuffs. I have
tried using my iPhone earbuds under the earmuffs and too much noise gets
On Mon, 27 Aug 2012, Peter Karbaliotis wrote:
On Fri, Aug 24, 2012 at 9:28 AM, Matt Lawrence wrote:
I just came across a couple of production systems at work that have a bunch
of AMPR network interfaces defined and up. There doesn't seem to be any
traffic going through them, bu
I just came across a couple of production systems at work that have a
bunch of AMPR network interfaces defined and up. There doesn't seem to be
any traffic going through them, but I'm wornering why they are there at
all. The systems are running Mandriva Linux, which I don't know as much
about
On Wed, 22 Aug 2012, Paul Graydon wrote:
I trust you remembered to sacrifice a pure and spotless dove on a marble
alter under the light of the full moon before attempting to do this?
That's what I'm doing wrong! All I can find around here are grackles.
-- Matt
It's not what I know that count
Since there's a thread going on about one part of Google, I thought I
would ask about another part of Google. I've been using Blogger since
before Google aquired them and I have discovered that there is no way to
delete a blog from the list of blogs I am following, I just get an error
message
I've been asked to research the various options for Directory Services for
Linux. The likely environment will be SLES and the requirements are not
terribly complex. At this point the main interest is in doing account and
password management in a single place, supporting the particular rules we
I am trying to run openSUSE on a new Dell E6420. It installs fine, but is
unable to detect any external monitors. It's the latest version of
openSUSE with all the updates as of today. I haven't found any answers on
the forums or in my searches, so I'm asking here.
Help?
-- Matt
It's not wh
On Thu, 15 Mar 2012, Lawrence K. Chen, P.Eng. wrote:
Somebody has apparently started a rumor that I'm leaving, and that the
University will have to shutdown afterwardshas me thinking that I
should see what does happen if I were to leave.
HP Cloud Services is hiring, I think I would enjoy
I need to get up to speed on OpenStack in particular and a lot of cloud
computing in general. I've read the thin O'reilly book and I'm poking at
the OpenStcak.org website. What other resources can people recommend?
-- Matt
It's not what I know that counts.
It's what I can remember in time to
I need to test a patch for a 10Gb interface on AIX, so I need to be able to
generate controllable amounts of network traffic. It's easy to generate lots
of traffic with dd or netcat, I need to control the speed to check for issues
at various data rates. Any suggestions for tools I should look
On Fri, 29 Jul 2011, Joshua Penix wrote:
Other trick I've used is to click on the missing window in the task bar
to focus it, then right click the task bar and pick "Move". Then you
should be able to hold down the appropriate cursor key to move it back
onto the visible desktop.
I've never t
On Fri, 29 Jul 2011, Yves Dorfsman wrote:
On 2011-07-29 12:04, Matt Lawrence wrote:
At work they use Citrix and Remote Desktop for access from home. I'm
running
into a problem that the monitors on the second video adapter, which are
also
to the left of my primary (Windows XP) s
At work they use Citrix and Remote Desktop for access from home. I'm
running into a problem that the monitors on the second video adapter,
which are also to the left of my primary (Windows XP) screen, don't show
up in the Remote Desktop session. Having to kill everything on those
screens and
On Thu, 21 Apr 2011, David Holder wrote:
> This is a great question. I also struggle a bit with this. Currently I
> use a combination of top, iotop, iftop and SAR to get an idea of a
> system's workload but I'm thinking that there might be some better tools
> that I am not aware of. I would lov
On Wed, 30 Mar 2011, Dan Foster wrote:
> To summarize Derek's position: IPv4 NAT fails safe, IPv6 -- not so much.
It's also a defense in depth, the NAT and the firewall on IPV6 each
provide security.
I'm also concerned about how much information about my internal network
that could leak out ov
On Sun, 27 Mar 2011, Keith Weitz wrote:
> I've been told to throw on another hat at work and need to learn some AS400
> administration for a hosted client. Does anyone know if any good CBT's out
> there for an AS400 rookie or a good beginner's book?
I would start at: http://www.redbooks.ibm.com/
On Wed, 2 Mar 2011, Colm Buckley wrote:
> On Wed, Mar 2, 2011 at 6:43 PM, Matt Lawrence wrote:
>
>> On Wed, 2 Mar 2011, Phil Pennock wrote:
>>
>>> On 2011-03-02 at 11:54 -0600, Matt Lawrence wrote:
>>>> Is there some sort of special handling for su? Is the
On Wed, 2 Mar 2011, Phil Pennock wrote:
> On 2011-03-02 at 11:54 -0600, Matt Lawrence wrote:
>> Is there some sort of special handling for su? Is there a good
>> workaround? They really want to do "su - " so that the environment
>> is being set correctly.
>
I'm running into an odd problem with a sudo configuration. It involves
Oracle and GoldenGate. oracle is allowed to "sudo su - ggs" and should be
able to run anything as any of the ggs users. However, "sudo su - ggs -c
ls" to run a ls as ggs fails. This makes scripting difficult for them and
On Tue, 15 Feb 2011, Ari Constancio wrote:
> We're about to introduce Active Directory in an environment based on
> LDAP (OpenLDAP) for accounts. Password synchronization should be
> bidirectional if possible.
> I'd like to hear any advice on how folks are integrating AD and LDAP servers.
We are
On Sun, 23 Jan 2011, Adam Tauno Williams wrote:
> I went through the same switch from a "business class" DSL with a static
> IP and my own server to a residential "high-speed" U-Verse connection
> with a dynamic IP. I happily gave up my server and moved by solution
> (Cyrus IMAP) to a Linode. Pr
On Fri, 14 Jan 2011, John Jasen wrote:
> I may be in a vanishing category, but above and beyond network gear, I
> hate appliances. There is almost always going to be a case where you
> need it to do X in order to work within your environment, and the
> appliance doesn't support X. So, you will be
On Thu, 13 Jan 2011, Tracy Reed wrote:
> On Thu, Jan 13, 2011 at 09:17:31PM -0600, Matt Lawrence spake thusly:
>> networks isolated. And instead of a general purpose unix system bridging
>> this, they want a single purpose, dedicated email appliance.
>
> Of course
On Thu, 13 Jan 2011, Brodie, Kent wrote:
> Not sure "which kind" of email appliances to which you're shopping for,
> but..in terms of spam filtering, we really like the Barracuda line
> of products.Linux-based. They do the job, well.
Something to sit between isolated production networks
My boss has asked me to research email appliances. We need to replace our
existing email gateway between a fairly secure network with production
servers and the corporate Exchange servers. While I know it would be easy
to set up a linux system to do this function, there is a desire to buy a
s
On Tue, 14 Dec 2010, Brian Mathis wrote:
> The clear choices today are iPhoneOS or Android. You might be able to
> pick up an Android phone without data service. Otherwise, you're
> looking at an iPod Touch. It's going to work with 64-bit, and has
> plenty of apps as well as usability and it's
I need to automate the process of data collection across hundreds of AIX
systems. The big challenge now is to figure out how to tell if a system
is part of an Oracle RAC setup and what other systems are involved in the
cluster. There is an Oracle command that will tell me, but the .profile
fo
On Tue, 12 Oct 2010, Brad Knowles wrote:
> On Oct 12, 2010, at 3:15 PM, Matt Lawrence wrote:
>
>> What do y'all think? Any other options I should dig into?
>
> Tivoli? I mean, it's an IBM product, right?
Very true, but I'm not working at IBM now, so I can loo
On Tue, 12 Oct 2010, Nick Silkey wrote:
> AIX? Old SPARC Solaris? Tru64? If yes, then definitely cfengine.
> Save yourself the headache and let the Ruby loose the Ubuntii and the
> CentOSen!
The SPARC Solaris boxes were decomissioned last month. The Tru64 systems
are scheduled to be gone by
I'm looking for suggestions and experience with configuration management
systems for managing several hundred AIX systems. I'm thinking that
cfengine might be the best choice. As fond as I am of Puppet and Chef,
they require Ruby which is not currently installed. It is posible to add
it in,
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