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Tzuriel
Apprentice
Joined: 01 Jun 2004
Posts: 260
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 Posted: Fri Oct 28, 2022 11:08 pm Post subject: How to stop display manager when booting? |
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I just updated my kernel to 6.0.3, then I ran an 'emerge -uDN @world`, then ran `etc-update`, and rebooted.
Now when I boot, there's some GUI that appears that I haven't identified. I've always manually run startx when my machine boots. But now there's a strange DM and I haven't found how to stop it. I don't see anything under /etc/runlevels that would start it. My .xinitrc in my home dir is set to run fluxbox, but what's starting is not that.
Thoughts? |
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sublogic
Apprentice
Joined: 21 Mar 2022
Posts: 268
Location: Pennsylvania, USA
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| Posted: Sat Oct 29, 2022 12:05 am Post subject: |
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What does the command "rc-status" say ?
Oops, I assumed you have openrc as your init system. If you use systemd, find the equivalent command  ...
(Use CTL-ALT-F1 or CTL-ALT-F2 to get to a text console if necessary; log in and run rc-status.) |
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Tzuriel
Apprentice
Joined: 01 Jun 2004
Posts: 260
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| Posted: Sat Oct 29, 2022 12:31 am Post subject: |
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I ran rc-service and saw display-manager under Dynamic Runlevel: needed/wanted. Not sure what that means. So I ran rc-update del display-manager but am not sure it's gone for good.
The following is what I now have.
| Code: |
Runlevel: default
ip6tables [ started ]
iptables [ started ]
netmount [ started ]
bumblebee [ stopped ]
chronyd [ started ]
sysklogd [ started ]
ntp-client [ stopped ]
sshd [ started ]
local [ started ]
Dynamic Runlevel: hotplugged
Dynamic Runlevel: needed/wanted
display-manager-setup [ started ]
Dynamic Runlevel: manual
dhcpcd [ started ]
net.wlp0s20f3 [ started ]
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I question the 'display-manager-setup' still under Dynamic Runlevel: needed/wanted. Also, I saw /etc/conf.d/display-manager had the DISPLAYMANAGER var set to xdm.
I tried to remove display-manager-init but it kept saying "is not in the runlevel sysinit, boot or default.
Is there anything more I should do? |
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Tzuriel
Apprentice
Joined: 01 Jun 2004
Posts: 260
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| Posted: Sat Oct 29, 2022 12:55 am Post subject: |
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Well, apparently that worked. However, after booting, then I can run startx and get into fluxbox ... if I type rc-status again, it shows display-manager is there again, only crashed. I suspect it crashed because I changed it from xdm to sddm in the /etc/conf.d/display-manager file. But this still doesn't bode well.
| Code: |
Runlevel: default
ip6tables [ started ]
iptables [ started ]
netmount [ started ]
bumblebee [ started ]
chronyd [ started ]
sysklogd [ started ]
ntp-client [ stopped ]
sshd [ started ]
local [ started ]
Dynamic Runlevel: hotplugged
Dynamic Runlevel: needed/wanted
display-manager-setup [ started ]
display-manager [ crashed ]
Dynamic Runlevel: manual
dhcpcd [ started ]
net.wlp0s20f3
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Thoughts? |
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sublogic
Apprentice
Joined: 21 Mar 2022
Posts: 268
Location: Pennsylvania, USA
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| Posted: Sat Oct 29, 2022 1:24 am Post subject: |
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| Tzuriel wrote: | | I ran rc-update del display-manager but am not sure it's gone for good. |
That ensures it won't start at the next reboot. To also stop it immediately, | Code: | | # rc-service display-manager stop |
But you already rebooted, so that detail is moot.
| Tzuriel wrote: | | Well, apparently that worked. However, after booting, then I can run startx and get into fluxbox ... if I type rc-status again, it shows display-manager is there again, only crashed. |
I don't know why it crashed, but I wonder why it started under "needed/wanted" in the first place. Try this: | Code: | $ cd /etc/runlevels/default
$ grep display-manager * |
Look for "need" lines. For example, on my machine, rc-status shows avahi-daemon running under needed/wanted. The command | Code: | $ cd /etc/runlevels/default
$ grep avahi-daemon *
cupsd: need avahi-daemon dbus
distccd: use avahi-daemon ypbind |
tells me that avahi-daemon was started because of cupsd (and that distccd will happily use it).
If the grep command prints nothing, try running it from /etc/init.d and look for a chain of "needs".
Uh, it's not started by local, is it ? |
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Tzuriel
Apprentice
Joined: 01 Jun 2004
Posts: 260
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| Posted: Sat Oct 29, 2022 3:54 am Post subject: |
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Interesting, I grep in /etc/runlevels/default and it's in:
bumblebee: need display-manager
What I'm after is being able to boot the machine and land in a console while not having started the display manager. Then, when I'm ready to start my display, I manually run startx which runs fluxbox. This is how it's been working before my last update.
I'm not sure if I should comment out that "need" line in bumblebee. |
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sublogic
Apprentice
Joined: 21 Mar 2022
Posts: 268
Location: Pennsylvania, USA
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| Posted: Mon Oct 31, 2022 2:32 am Post subject: |
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| Tzuriel wrote: | | I'm not sure if I should comment out that "need" line in bumblebee. |
I don't think you should edit anything under /etc/init.d . The next "emerge --update" might clobber it. What's bumblebee ? Can you remove it from the default runlevel ?
Meanwhile, judging by /etc/init.d/display-manager-setup, booting with "nogui" should prevent the display manager from starting. |
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