Bug#843778: needrestart: restart systemd user daemons and user services

Paul Wise

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Nov 9, 2016, 9:30:03 AM11/9/16

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Package: needrestart
Severity: wishlist

systemd can run its daemon as a user and manage services for that user.
The user services can be restarted in much the same way as system services.
It would be great that instead of listing these daemons in the outdated
binaries section, needrestart would list the commands to restart them:

sudo -u uid systemctl --user daemon-reexec
sudo -u uid systemctl --user restart name.service other.service

# systemctl status
● chianamo
    State: running
     Jobs: 0 queued
   Failed: 0 units
    Since: ...
   CGroup: /
...
           └─user.slice
             ├─user-1000.slice
             │ ├─us...@1000.service
             │ │ ├─gpg-agent.service
             │ │ │ └─1931 /usr/bin/gpg-agent --supervised
             │ │ ├─dirmngr.service
             │ │ │ └─20314 /usr/bin/dirmngr --daemon --homedir /home/pabs/.gnupg
             │ │ └─init.scope
             │ │   ├─1927 /lib/systemd/systemd --user
             │ │   └─1929 (sd-pam)
...
# needrestart
Scanning processes...
Scanning candidates...
Scanning linux images...
...
Services to be restarted:
...
Services being skipped:
...
No containers need to be restarted.
User sessions running outdated binaries:
Debian-gdm @ user manager service: systemd[1527]
pabs @ session #2: ...
pabs @ user manager service: systemd[1927]
root @ session #306: gpg-agent[14884]
root @ user manager service: systemd[16906]

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pabs

https://wiki.debian.org/PaulWise

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Paul Wise

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Jan 15, 2018, 7:30:03 PM1/15/18

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On Wed, 09 Nov 2016 22:25:25 +0800 Paul Wise wrote:

> systemd can run its daemon as a user and manage services for that user.
> The user services can be restarted in much the same way as system services.

Turns out you cannot restart user services via sudo.

> It would be great that instead of listing these daemons in the outdated
> binaries section, needrestart would list the commands to restart them:

So I think the way it should work is for needrestart to signal every
needrestart-session process to do the supervisor and service restarting,
wait for the completion of these restarts, update the list of processes
needing restarting and then print any that are still needing restarting.

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Jörg Sommer

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Jan 22, 2019, 4:40:02 AM1/22/19

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Hello,

I've seen that needrestart reports the user processes when run as
user. Could you extend needrestart to show the dialogue and restart the
systemd units:

```
% id -u
1000

% needrestart
Prüfe Prozesse...
Veraltete Prozesse:
dbus-daemon[885], emacs[12635], firefox[30570], firefox-bin[20556], Privileged Cont[26250], pulseaudio[29837], Web Content[21597], WebExtensions[20752],
Xorg[12276]

% systemctl --user status -n0 29837 30570 2>/dev/null |grep '^●' |sed 's/ -.*//; s/.* //' |uniq
pulseaudio.service
ff.service

% systemctl --user restart pulseaudio.service
```

Regards Jörg

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verwaltet wird.
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Marco Steinacher

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Apr 9, 2019, 5:40:03 AM4/9/19

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On Debian 9.8 restarting the systemd user services as root with
"systemctl restart user@<UID>.service" works for me:

# needrestart
[...]

User sessions running outdated binaries:

root @ user manager service: systemd[6372]
admin @ user manager service: systemd[2398]

# systemctl | grep user@
us...@0.service loaded active running User Manager for UID 0

us...@1000.service loaded active running User Manager for UID 1000

# systemctl restart us...@0.service
# systemctl restart us...@1000.service

# needrestart
[...]
No user sessions are running outdated binaries.

I hope this helps,
Marco

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