Re: stop service

2020-11-04 Thread Patrick Dupre

>
> On Nov 3, 2020, at 09:57, Patrick Dupre  wrote:
> > 
> > ps
> > root   34852  0.0  0.0 217124  3336 ?SOct29   0:00 /bin/sh 
> > /usr/local/dwagent/native/dwagsvc run
> > 
> > How can I stop/restart it?
> 
> Run ‘cat /proc/34852/cgroup’ and you will see the systemd service name in the 
> systemd cgroup. 
> 
> If it is in a user-###.slice unit, it was started by a user and not systemd. 

0::/system.slice/dwagent.service

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> Jonathan Billings
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Re: stop service

2020-11-04 Thread Ed Greshko

On 04/11/2020 16:54, Patrick Dupre wrote:

On Nov 3, 2020, at 09:57, Patrick Dupre  wrote:

ps
root   34852  0.0  0.0 217124  3336 ?SOct29   0:00 /bin/sh 
/usr/local/dwagent/native/dwagsvc run

How can I stop/restart it?

Run ‘cat /proc/34852/cgroup’ and you will see the systemd service name in the 
systemd cgroup.

If it is in a user-###.slice unit, it was started by a user and not systemd.

0::/system.slice/dwagent.service




Then you want to include --user in the systemctl command and be running as that 
user.

systemctl --user status dwagent

Using the command status, stop, restart, or start as needed.

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Display Manager Configuration Files

2020-11-04 Thread Stephen Morris

Hi,
    Which configuration file identifies which display manager is being 
used, and which configuration file identifies which desktop that dm will 
launch?
    The issue I have is, I have the Fedora Astronomy spin at F32 level. 
I think it is starting SDDM at boot time and defaulting to start KDE. 
When I put on the system update two updates ago, the "start menu" 
refused to display any entries when clicked on. There was a subsequent 
system update after that, and when I put that on KDE refused to start, 
so in order to get a running system I eventually got the desktop to set 
its desktop drop down to Gnome (Wayland), and was able to get Gnome to 
eventually start. The issue this caused is now the desktop drop down 
will not show any entries other then Gnome (Wayland) to be able to try 
and start KDE again.

    I am running F32 in a Windows 10 hosted Virtualbox VM.

regards,
Steve
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Re: stop service

2020-11-04 Thread Patrick Dupre
Thanks you very much


> >> On Nov 3, 2020, at 09:57, Patrick Dupre  wrote:
> >>> ps
> >>> root   34852  0.0  0.0 217124  3336 ?SOct29   0:00 
> >>> /bin/sh /usr/local/dwagent/native/dwagsvc run
> >>>
> >>> How can I stop/restart it?
> >> Run ‘cat /proc/34852/cgroup’ and you will see the systemd service name in 
> >> the systemd cgroup.
> >>
> >> If it is in a user-###.slice unit, it was started by a user and not 
> >> systemd.
> > 0::/system.slice/dwagent.service
> >
> >
> 
> Then you want to include --user in the systemctl command and be running as 
> that user.
> 
> systemctl --user status dwagent
> 
> Using the command status, stop, restart, or start as needed.
> 
> ---
> The key to getting good answers is to ask good questions.
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Re: Display Manager Configuration Files

2020-11-04 Thread Ed Greshko

On 04/11/2020 17:24, Stephen Morris wrote:

Hi,
    Which configuration file identifies which display manager is being used, 
and which configuration file identifies which desktop that dm will launch?
    The issue I have is, I have the Fedora Astronomy spin at F32 level. I think it is 
starting SDDM at boot time and defaulting to start KDE. When I put on the system update 
two updates ago, the "start menu" refused to display any entries when clicked 
on. There was a subsequent system update after that, and when I put that on KDE refused 
to start, so in order to get a running system I eventually got the desktop to set its 
desktop drop down to Gnome (Wayland), and was able to get Gnome to eventually start. The 
issue this caused is now the desktop drop down will not show any entries other then Gnome 
(Wayland) to be able to try and start KDE again.
    I am running F32 in a Windows 10 hosted Virtualbox VM.




To see what Display Manager you're running.

systemctl status display-manager

What desktops are available to sddm and other display managers are located in

/usr/share/xsessions    and   /usr/share/wayland-sessions


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Re: stop service

2020-11-04 Thread Jonathan Billings
On Nov 4, 2020, at 03:54, Patrick Dupre  wrote:
> 
> 0::/system.slice/dwagent.service

There you go, it was started by the system unit ‘dwagent.service’.  It isn’t a 
user service or launched inside a user session. 

--
Jonathan Billings
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Re: Deprecating SCP

2020-11-04 Thread George N. White III
On Tue, 3 Nov 2020 at 12:20, Tom Horsley  wrote:

> On Mon, 2 Nov 2020 15:44:39 +0100
> Jakub Jelen wrote:
>
> > Do you have something against this?
>
> I use the scp command all the time, if the command is still there
> I don't care if it does something different under the hood.
> I suppose I could always use rsync instead of the command
> disappeared.
>

I doubt most people will notice the difference [until some scp
download installs malware].

PuTTy (Windows) scp has been using sftp when the remote
server supports it for a couple of years.   In my field, many users
(due to enterprise desktop standards) get Windows workstations
Linux HPC does the heavy lifting, so pscp is often used to download
artifacts.

https://www.ssh.com/ssh/putty/putty-manuals/0.68/Chapter5.html

This is due to a fundamental insecurity in the old-style SCP protocol: the
client sends the wildcard string (*.c) to the server, and the server sends
back a sequence of file names that match the wildcard pattern. However,
there is nothing to stop the server sending back a different pattern and
writing over one of your other files: if you request *.c, the server might
send back the file name AUTOEXEC.BAT and install a virus for you. Since the
wildcard matching rules are decided by the server, the client cannot
reliably verify that the filenames sent back match the pattern.

PSCP will attempt to use the newer SFTP protocol (part of SSH-2) where
possible, which does not suffer from this security flaw. If you are talking
to an SSH-2 server which supports SFTP, you will never see this warning.
(You can force use of the SFTP protocol, if available, with -sftp - see
section 5.2.2.6.)


-- 
George N. White III
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F33: can' t install akmod-nvidia

2020-11-04 Thread Patrick O'Callaghan
I'm getting an error when trying to install akmod-nvidia, apparently from a
missing key:

warning:
/var/cache/dnf/rpmfusion-nonfree-updates-39512f6d281fdf9d/packages/akmod-nvidia-455.38-1.fc33.x86_64.rpm:
Header V3 RSA/SHA1 Signature, key ID 94843c65: NOKEY
RPM Fusion for Fedora 33 - Nonfree - Updates

 0.0
 B/s |   0  B 00:00
Curl error (37): Couldn't read a file:// file for
file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmfusion-nonfree-fedora-33 [Couldn't
open file /etc/pki/rpm-gpg/RPM-GPG-KEY-rpmfusion-nonfree-fedora-33]

The RPMfusion page (https://rpmfusion.org/keys) shows the key fingerprint
but not the key itself (it isn't on
https://rpmfusion.org/keys?action=AttachFile&do=view&target=RPM-GPG-KEY-rpmfusion-nonfree-fedora-2020
)

Any ideas?

poc
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Re: F33: can' t install akmod-nvidia

2020-11-04 Thread Tom Horsley
On Wed, 4 Nov 2020 13:11:24 +
Patrick O'Callaghan wrote:

> Any ideas?

I always get the keys installed automagically when I install the
rpmfusion repo packages. Did you get the repo defined that way,
or did you just copy the /etc/yum.repos.d/ files from another
system? The keys show up in the /etc/pki/rpm-gpg/ directory like so:

zooty> rpm -q -f /etc/pki/rpm-gpg/RPM-GPG-KEY-rpmfusion-free-fedora-33
rpmfusion-free-release-33-1.noarch
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Re: Deprecating SCP

2020-11-04 Thread Thomas Stephen Lee
On Wed, Nov 4, 2020 at 6:34 PM George N. White III  wrote:

> On Tue, 3 Nov 2020 at 12:20, Tom Horsley  wrote:
>
>> On Mon, 2 Nov 2020 15:44:39 +0100
>> Jakub Jelen wrote:
>>
>> > Do you have something against this?
>>
>> I use the scp command all the time, if the command is still there
>> I don't care if it does something different under the hood.
>> I suppose I could always use rsync instead of the command
>> disappeared.
>>
>
> I doubt most people will notice the difference [until some scp
> download installs malware].
>
> PuTTy (Windows) scp has been using sftp when the remote
> server supports it for a couple of years.   In my field, many users
> (due to enterprise desktop standards) get Windows workstations
> Linux HPC does the heavy lifting, so pscp is often used to download
> artifacts.
>
> https://www.ssh.com/ssh/putty/putty-manuals/0.68/Chapter5.html
>
> This is due to a fundamental insecurity in the old-style SCP protocol: the
> client sends the wildcard string (*.c) to the server, and the server sends
> back a sequence of file names that match the wildcard pattern. However,
> there is nothing to stop the server sending back a different pattern and
> writing over one of your other files: if you request *.c, the server might
> send back the file name AUTOEXEC.BAT and install a virus for you. Since the
> wildcard matching rules are decided by the server, the client cannot
> reliably verify that the filenames sent back match the pattern.
>
> PSCP will attempt to use the newer SFTP protocol (part of SSH-2) where
> possible, which does not suffer from this security flaw. If you are talking
> to an SSH-2 server which supports SFTP, you will never see this warning.
> (You can force use of the SFTP protocol, if available, with -sftp - see
> section 5.2.2.6.)
>
>
> --
> George N. White III
>
>
> rsync is not installed by default in minimal installs of many OS.
For example, we have to scp the internet login script to the new OS and
then install rsync after internet login.

---
Lee
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Network problem

2020-11-04 Thread Scott van Looy via users
Hi,

I’ve managed to do something accidentally to my network config and I’m not sure 
what.

I’m running a server inside of an ESXi host

It’s running using NetworkManager with 3x fixed IP addresses manually 
configured, .215, .216 and .217

There are 3 virtual adaptors attached to the VM in question, I shut it down, 
updated the host and then started it up again.

So on startup, all 3 appear to be working and have IPs assigned according to 
ifconfig, but...

.215 accepts pings, .216 and .217 do not

If I turn off the adaptor assigned .215, .216 suddenly starts accepting ping 
requests.

If I turn .215 back on again, only .216 continues to accept ping requests.

If I turn off .216 then one of either .215 or .217 will start to accept ping 
requests. And so on.

It’s super frustrating. Does anyone have any ideas why this might happen or 
what could be causing it or any suggestions for what I can investigate?

Regards,

Scott


signature.asc
Description: Message signed with OpenPGP
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Re: Network problem

2020-11-04 Thread Tom Horsley
On Wed, 4 Nov 2020 15:16:02 +0100
Scott van Looy via users wrote:

> It’s super frustrating. Does anyone have any ideas why this might happen or 
> what could be causing it or any suggestions for what I can investigate?

I have absolutely no idea if this is the problem, but I know
when I setup an extra bridge in my system, suddenly my
network stopped working, and I discovered it had decided
to use this bridge to nowhere as the default gateway. I
eventually discovered this setting:

nmcli con modify bifrost ipv4.never-default true

(bifrost is the name of the bridge I had just created).
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Re: [Fedora] Re: [Fedora] Deprecating SCP

2020-11-04 Thread Walter Cazzola

On Mon, 2 Nov 2020, Jakub Jelen wrote:


 I'm using scp: a lot to edit remote files with vim and I'm pretty sure
 that many remote admins are doing the same.



 So I'm wondering how this change will affect my use case scenario and if
 you have considered it when moving to sftp.



That is a good question!


When I try to use scp://host/file I am getting errors that vim is trying to 
use `rcp` command (yuck!). But using the same with sftp://host/file works 
like a charm.


I believe vim is using just scp to fetch the file so if the connection to the 
server will work also with sftp, it should continue to work (but I recommend 
using sftp protocol anyway).


The simplest way to try is to try with sftp:// or try the previously 
mentioned package, but my best bet is that it will keep on working as before 
(even though I never used this inside of vim up until today).


Indeed it does, I wasn't aware that vim supports sftp as well.

Thank you for the prompt reply

Walter

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Re: Deprecating SCP

2020-11-04 Thread Michael Hennebry

I've not used sftp at all.
I've only used scp when I had control at both ends.

On Wed, 4 Nov 2020, George N. White III wrote:


This is due to a fundamental insecurity in the old-style SCP protocol: the
client sends the wildcard string (*.c) to the server, and the server sends
back a sequence of file names that match the wildcard pattern. However,
there is nothing to stop the server sending back a different pattern and
writing over one of your other files: if you request *.c, the server might
send back the file name AUTOEXEC.BAT and install a virus for you. Since the
wildcard matching rules are decided by the server, the client cannot
reliably verify that the filenames sent back match the pattern.


In this particular case, I'd think the client
could tell that a .BAT file was not a .c file.

There is only so much any protocol can do about a malicious server.
Even if the client explicitly specifies a server file,
there is no guarantee that the server will send a correct copy.


Note: no quoted boilerplate. Please emulate.
--
Michael   henne...@web.cs.ndsu.nodak.edu
"Sorry but your password must contain an uppercase letter, a number,
a haiku, a gang sign, a heiroglyph, and the blood of a virgin."
 --  someeecards
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Re: F33: can' t install akmod-nvidia

2020-11-04 Thread Patrick O'Callaghan
On Wed, 2020-11-04 at 08:28 -0500, Tom Horsley wrote:
> On Wed, 4 Nov 2020 13:11:24 +
> Patrick O'Callaghan wrote:
> 
> > Any ideas?
> 
> I always get the keys installed automagically when I install the
> rpmfusion repo packages. Did you get the repo defined that way,
> or did you just copy the /etc/yum.repos.d/ files from another
> system? The keys show up in the /etc/pki/rpm-gpg/ directory like so:

Yes, that was it. I had simply restored the repo files from a backup.
Following the instructions on the RPMfusion page worked.

Thanks

poc
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Re: Deprecating SCP

2020-11-04 Thread George N. White III
On Wed, 4 Nov 2020 at 11:39, Michael Hennebry <
henne...@web.cs.ndsu.nodak.edu> wrote:

> I've not used sftp at all.
> I've only used scp when I had control at both ends.
>
> On Wed, 4 Nov 2020, George N. White III wrote:
>
> > This is due to a fundamental insecurity in the old-style SCP protocol:
> the
> > client sends the wildcard string (*.c) to the server, and the server
> sends
> > back a sequence of file names that match the wildcard pattern. However,
> > there is nothing to stop the server sending back a different pattern and
> > writing over one of your other files: if you request *.c, the server
> might
> > send back the file name AUTOEXEC.BAT and install a virus for you. Since
> the
> > wildcard matching rules are decided by the server, the client cannot
> > reliably verify that the filenames sent back match the pattern.
>
> In this particular case, I'd think the client
> could tell that a .BAT file was not a .c file.
>

Downloading 1000's of files resulting from some HPC calculation
it would be easy to overlook an unwanted file.


> There is only so much any protocol can do about a malicious server.
> Even if the client explicitly specifies a server file,
> there is no guarantee that the server will send a correct copy.
>

Those HPC systems can have many users, all with write access to
shared data spaces; one compromised user workstation could be
used to place malware where scp might find it.   It is more of a
concern now that user workstations have moved into people's
homes outside the enterprise LAN's.

-- 
George N. White III
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Re: how to install zoom client.

2020-11-04 Thread Robin A. Meade
> It didn't ask for the key package-signing-key file or the key 
> fingerprint.?? Did it use them silently somehow, or were they unneeded?

Add `localpkg_gpgcheck=1` to `/etc/dnf/dnf.conf`
https://dnf.readthedocs.io/en/latest/conf_ref.html#localpkg-gpgcheck-label

Many, including myself, feel this should be the default.

Then, when you wish to install a local package without checking the gpg key, 
add the `--nogpgcheck` option to your dnf command.

List installed rpm keys: 

rpm -q gpg-pubkey --qf '%{name}-%{version}-%{release} %{summary}\n'

To import the Zoom gpg key into your rpm database:

sudo rpm --import https://zoom.us/linux/download/pubkey

Robin

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Re: Network problem

2020-11-04 Thread Gordon Messmer


On 11/4/20 6:16 AM, Scott van Looy via users wrote:

So on startup, all 3 appear to be working and have IPs assigned according to 
ifconfig, but...

.215 accepts pings, .216 and .217 do not



https://access.redhat.com/solutions/53031

reverse path filtering is on by default, and in that configuration the 
system will only accept incoming traffic if a reply would go out the 
same interface.


You can disable rp_filter to accept incoming traffic on multiple 
interfaces, but that's not necessarily a good idea.  If you're trying to 
increase bandwidth to the system, for example, this configuration won't 
do that.  All of your outbound traffic is still going to go out one 
interface.


We can probably give you a better solution if you can describe why you'd 
have multiple interfaces with different addresses on the same network 
segment.

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Re: Network problem

2020-11-04 Thread Roger Heflin
Typically if you want put 3 ip addresses in the same subnet on a
network usually you use a single network adaptor and add extra VIPs on
it.

see: https://www.jamescoyle.net/how-to/307-create-a-virtual-ip-address-in-linux

eth0:1  for the device names it the 1st vip, :1 as the 2nd vip and so
on.  They all exist on the same adaptor.

with the same network on all 3 what interface it goes out can be
different than the one it came in and this can cause significant
issues on the network.

On Wed, Nov 4, 2020 at 5:32 PM Gordon Messmer  wrote:
>
>
> On 11/4/20 6:16 AM, Scott van Looy via users wrote:
> > So on startup, all 3 appear to be working and have IPs assigned according 
> > to ifconfig, but...
> >
> > .215 accepts pings, .216 and .217 do not
>
>
> https://access.redhat.com/solutions/53031
>
> reverse path filtering is on by default, and in that configuration the
> system will only accept incoming traffic if a reply would go out the
> same interface.
>
> You can disable rp_filter to accept incoming traffic on multiple
> interfaces, but that's not necessarily a good idea.  If you're trying to
> increase bandwidth to the system, for example, this configuration won't
> do that.  All of your outbound traffic is still going to go out one
> interface.
>
> We can probably give you a better solution if you can describe why you'd
> have multiple interfaces with different addresses on the same network
> segment.
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Re: Network problem

2020-11-04 Thread Jonathan Billings
On Nov 4, 2020, at 18:39, Roger Heflin  wrote:
> 
> Typically if you want put 3 ip addresses in the same subnet on a
> network usually you use a single network adaptor and add extra VIPs on
> it.
> 
> see: 
> https://www.jamescoyle.net/how-to/307-create-a-virtual-ip-address-in-linux
> 
> eth0:1  for the device names it the 1st vip, :1 as the 2nd vip and so
> on.  They all exist on the same adaptor.
> 
> with the same network on all 3 what interface it goes out can be
> different than the one it came in and this can cause significant
> issues on the network.

Unfortunately, this is rather out of date advice and not supported with modern 
tools.

You can just put all IPs on one interface using NetworkManager or the ‘ip’ 
tool.  Even the old network-scripts method uses IPADDR1=, IPADDR2=, and so on, 
all on one named interface.  ‘Ifconfig’ is no longer installed by default and 
doesn’t support many features.

--
Jonathan Billings 
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Re: Display Manager Configuration Files

2020-11-04 Thread Stephen Morris

On 4/11/20 10:25 pm, Ed Greshko wrote:

On 04/11/2020 17:24, Stephen Morris wrote:

Hi,
    Which configuration file identifies which display manager is 
being used, and which configuration file identifies which desktop 
that dm will launch?
    The issue I have is, I have the Fedora Astronomy spin at F32 
level. I think it is starting SDDM at boot time and defaulting to 
start KDE. When I put on the system update two updates ago, the 
"start menu" refused to display any entries when clicked on. There 
was a subsequent system update after that, and when I put that on KDE 
refused to start, so in order to get a running system I eventually 
got the desktop to set its desktop drop down to Gnome (Wayland), and 
was able to get Gnome to eventually start. The issue this caused is 
now the desktop drop down will not show any entries other then Gnome 
(Wayland) to be able to try and start KDE again.

    I am running F32 in a Windows 10 hosted Virtualbox VM.




To see what Display Manager you're running.

systemctl status display-manager

What desktops are available to sddm and other display managers are 
located in


/usr/share/xsessions    and   /usr/share/wayland-sessions


Thanks Ed, that is exactly what I was looking for.
Using systemctl I was able to change the desktop to LightDM, and while 
doing this found it is not a good idea to use systemctl to stop the 
current DM before enabling and starting the new DM.
I've also used the dnf group install to reinstall the KDE Plasma 
Workspaces, KDE Applications, KDE multimedia and KDE Office groups to 
see if that rectifies the KDE issues. I also had desktop icons in KDE 
for Thunderbird Daily and Firefox Nightly and whatever the updates were 
that caused the KDE issues also corrupted those two desktop entries so 
that they would not start the corresponding applications.


regards,
Steve


---
The key to getting good answers is to ask good questions.

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Starting Fedora

2020-11-04 Thread Robert McBroom via users
Installed F32 on a legacy system set up to run xfce4. Letting the system 
do the graphical boot works as expected. Booting to mode 3 command line 
login then trying to start the graphical display with startx fails to 
start the xserver. Going to a separate session with ctrl alt f4 gives a 
command line login but again a graphical display doesn't start with 
startx on an alternate display. Can start with xinit and xfwm4 as a 
window manager.


From the graphical system,

systemctl status display-manager
● lightdm.service - Light Display Manager
 Loaded: loaded (/usr/lib/systemd/system/lightdm.service; enabled; 
vendor preset: enabled)

 Active: active (running) since Wed 2020-11-04 08:23:58 EST; 8h ago
   Docs: man:lightdm(1)
   Main PID: 679 (lightdm)
  Tasks: 13 (limit: 4576)
 Memory: 147.6M
    CPU: 22.242s
 CGroup: /system.slice/lightdm.service
 ├─679 /usr/sbin/lightdm
 └─693 /usr/libexec/Xorg -core -noreset :0 -seat seat0 
-auth /run/lightdm/root/:0 -nolisten tcp vt1 -novtswi>


Nov 04 08:23:57 Opti745.attlocal.net systemd[1]: Starting Light Display 
Manager...
Nov 04 08:23:58 Opti745.attlocal.net systemd[1]: Started Light Display 
Manager.
Nov 04 08:24:06 Opti745.attlocal.net lightdm[757]: 
pam_unix(lightdm-greeter:session): session opened for user lightdm by>
Nov 04 08:24:26 Opti745.attlocal.net lightdm[832]: gkr-pam: unable to 
locate daemon control file
Nov 04 08:24:26 Opti745.attlocal.net lightdm[832]: gkr-pam: stashed 
password to try later in open session


loginctl show-session 2 -p Type
Type=x11

What am I missing to start the graphical session from a command line login?
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Re: Starting Fedora

2020-11-04 Thread Samuel Sieb

On 11/4/20 9:17 PM, Robert McBroom via users wrote:
Installed F32 on a legacy system set up to run xfce4. Letting the system 
do the graphical boot works as expected. Booting to mode 3 command line 
login then trying to start the graphical display with startx fails to 
start the xserver. Going to a separate session with ctrl alt f4 gives a 
command line login but again a graphical display doesn't start with 
startx on an alternate display. Can start with xinit and xfwm4 as a 
window manager.


How does "startx" fail?
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