Questions tagged [systemd-run]
11 questions
5
votes
1 answer
What does "?" means in ls -l output?
I saw a few files/dir are inaccessible even to the root user:
find: ‘/run/user/1000/gvfs’: Permission denied.
So I went a level deeper and ran ls -l; below is the output.
/run/user/125# ll
ls: cannot access 'gvfs': Permission denied
total…
samshers
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5
votes
1 answer
How to limit CPU usage with systemd-run
I have a buggy program which uses 100% CPU even when it's idle. Since fixing it isn't practical at the moment, I'd like to just limit it to be able to use no more than 10% CPU. However no matter what I do, the process always chews up 100% of one…
Malvineous
- 6,524
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3
votes
1 answer
Running systemd service synchronously / in foreground
I would like to replace my Xsession with my custom program (kiosk-like setup), previously I was just setting STARTUP variable in my .xsessionrc file like:
STARTUP='/path/to/my/program'
Now I want to wrap my program as a systemd service to utilize…
reddot
- 266
- 3
- 10
2
votes
0 answers
Running command under systemd slice works for root, but not user
I'm trying to execute a command under some resource limits.
This correctly limits my-bin to just 1 CPU core. I'm able to verify with htop.
$ sudo systemd-run -p AllowedCPUs=0 -- ./my-bin
However, this doesn't work. htop shows all cores active.
$…
425nesp
- 406
- 4
- 12
1
vote
1 answer
How to list units with specific properties?
I use systemd-run --user a lot to run things. I want to be able to list only those transient units, but there seems to be no option to systemctl --user list-units to do it. I also cannot list the Transient propery in systemctl --user list-units…
neingeist
- 111
- 3
1
vote
0 answers
Can systemd-run create temporary cgroups for temporary commands with resource limits?
I'd like to limit the resource consumption of temporary commands with cgroup created by systemd-run, similar to what cgcreate does instead, but I'm not sure if that makes sense?
I'd like to make sure I'm trying this correctly, thank you…
山河以无恙
- 155
- 7
1
vote
1 answer
using systemd-run to replace 'at' commands
What is the best way of using systemd-run in place of a simple
sudo -u xxx at -f backupJ-447.cmd 03:10
Our org has gone systemd mad and no longer installs 'at', 'batch' and cron is depricated on our new systems. I need a way to scheule occasional…
ferg
- 11
- 2
0
votes
0 answers
How to systemd-run a process and collect the exit status?
I want to wrap my command in a systemd-run and wait on it, redirect the logs to stdout and collect the exit status of the command.
I want to systemd-run --remain-after-exit because I want to collect it later, and I also want systemd-run --wait to…
KamilCuk
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0
votes
1 answer
How do I pass a command group to systemd-run?
Why can't I pass a command group to systemd-run like this?
$ systemd-run --on-active=1 { cp file1 file2 && echo hi; }
Failed to find executable {: No such file or directory
I tried various combinations of quoting, braces, and subshells but to no…
ckattmann
- 3
- 3
0
votes
1 answer
Why systemd-run memory limiting cause crash of program?
I am using different methods for different programs to control their resource management. When I used systemd-run for gimp(GNU image manipulation program), when picture's memory requirement is higher than limit(i.e. 300MB which I set), program…
user458762
0
votes
1 answer
Does /dev, /run and /sys exist on HDD (if so what is there location if it can be meaningfully traced)?
At the time of Linux installation, i have mentioned only one filesystem (/dev/sda1 -> ext4 -> / ). But for dev, run, proc, sys - Linux is creating addition FS which is inferable from mount.
$ mount
sysfs on /sys type sysfs…
samshers
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