systemd is an alternative approach to SystemV init daemon for Linux. It is intended to provide a better framework for expressing services' dependencies, allow more work to be done in parallel at system startup, and to reduce shell overhead.

learn more… | top users | synonyms

23
votes
1answer
45k views

How to write startup script for systemd

I have 2 graphics cards on my laptop, one is IGP and another discrete, I've written a shell script to to turn off discrete graphics card. How I can convert it to systemd script, to runt at start-up?
11
votes
3answers
9k views

How to run a script with systemd right before shutdown?

What do I need to put in the [install] section, so that systemd runs /home/me/so.pl right before shutdown and also before /proc/self/net/dev gets destroyed? [Unit] Description=Log Traffic [Service] ...
4
votes
2answers
994 views

Non-graphical boot with systemd

I want to boot to console instead of a GUI using systemd. How can I do that?
0
votes
1answer
1k views

Debian and Systemd: breaking ordering cycle error

I'm a new embedded developer I'm trying to make systemd 37 work with freescale vybrid board (A5 and M4) running on linux-3.0 After boot with some breaking ordering cycle error, I check with ps ...
10
votes
5answers
7k views

Cause a script to execute after networking has started?

I am relatively new to systemd and am learning its architecture. Right now, I'm trying to figure out how to cause a custom shell script to run. This script needs to run after the networking layer has ...
4
votes
1answer
2k views

How to automatically force fsck disks after crash in `systemd`?

Sorry for bad english. How to set systemd for automatically force fsck disks after crash (hard poweroff)? When I used sysvinit (in Arch Linux) as /sbin/init I used the hack: in the rc.local I create ...
1
vote
1answer
122 views

Yocto linux service script problem

I have written a systemd script mqtt.service which is in /home/root directory This is my mqtt.service script : # This file is part of systemd. # # systemd is free software; you can redistribute ...
1
vote
0answers
115 views

How to determine which init system is used? [duplicate]

Is there a way to determine which init system is being used in Linux? (such as sysvinit, upstart, systemd, etc.) I don't care if it can be programmatically determined, I just want to know how I can ...
88
votes
4answers
37k views

What are the pros/cons of Upstart and systemd?

It appears systemd is the hot new init system on the block, same as Upstart was a few years ago. What are the pros/cons for each? Also, how does each compare to other init systems?
13
votes
2answers
23k views

How can I find available network interfaces?

This is in regard to linux, but if anyone knows of a general *nix method that would be good. I booted a system yesterday with an ethernet cable plugged in. "NetworkManager" is not installed, so once ...
24
votes
2answers
17k views

View stdout/stderr of systemd service

I have created a simple systemd service file for a custom application. The application works well when I run it manually, but my CPU gets maxed out when I run it with systemd. I'm trying do track ...
3
votes
0answers
41 views

Run systemd service after automount but after it's accessed

Is it possible to run a systemd service that prepares an automounted file system for use? This service would need to run after the filesystem is mounted, but before whatever triggered the automount ...
3
votes
2answers
598 views

Setting DISPLAY in systemd service file

Im trying to learn systemd services by trying to start xclock as a service, the service file is below [Unit] Description=clock [Service] Environment=DISPLAY=:0 ExecStart=/usr/bin/xclock [Install] ...
2
votes
0answers
28 views

How to find what thing make a cycle in systemd [duplicate]

when boot with systemd, my system display this message: systemd[1]: Found ordering cycle on basic.target/start systemd[1]: Walked on cycle path to sysinit.target/start systemd[1]: Walked on cycle ...
2
votes
1answer
800 views

systemd - umount device after service which depends on it finishes

I'm trying to implement a mechanism of automated backup using udev rules and systemd. The idea is to launch a backup routine upon hot-plugging a specific storage device, quite similar to this ...
1
vote
1answer
226 views

Show Custom Boot-Message

I would like to show a custom message during boot, or even better the program cmatrix. I boot with the "quiet" parameter so there are no startup messages, instead I would like to show a ...
8
votes
3answers
3k views

How does systemd-tmpfiles work?

I'm trying to change the value of /sys/bus/usb/devices/4-3/power/wakeup at every boot (4-3 according to my lsusb, it's the keyboard ID). The default value is: # cat ...
7
votes
3answers
2k views

Run Script once a day with systemd

I want to run a backup script 10 minutes after booting up my machine but only once a day. Is it possible to build up such scenarios with systemd?
6
votes
2answers
953 views

`systemd` messages after starting login

After boot-up process systemd starts agetty, but after 1--2 seconds additional messages are appeared: How to avoid this? I use Arch Linux, systemd 194. $ grep '^[^#]' ...
4
votes
2answers
165 views

How could we allow non-root users to control a system.d service?

With sysvinit, a sudoers entry like this would suffice: %webteam cms051=/sbin/service httpd * This would allow for commands such as: sudo service httpd status sudo service httpd restart Now, ...
3
votes
1answer
287 views

Run backup on HD plugged with systemd

When I plug a HD via USB, it should a) mount it b) run my backup script. What I currently have is backintime.service [Unit] Description="Runs backintime to backup." [Service] User=user ...
2
votes
3answers
1k views

Why is my Debian jessie always in runlevel 5?

I have configured the line in /etc/inittab as follows: # The default runlevel. id:2:initdefault: But after logging in the output of runlevel is as follows: N 5 So why am I in runlevel 5 instaed ...
2
votes
1answer
88 views

How to direct the journal output of certain units to a particular file?

I've got a system with several daemons running (as systemd units) that output log information to the journal in Arch Linux. I want to direct the journal output of some of those unit files into a ...
2
votes
0answers
81 views

CGroup Processes Not Terminated even when main process has been killed through Systemctl stop command

I am running systemctl stop process command for some process. Please find the output for systemctl status process below: Loaded: loaded Active: deactivating (stop-sigterm) CGroup: ...
1
vote
1answer
44 views

Automatically run command before umounting a filesystem

I want to execute a command automatically shortly before a filesystem is unmounted. The command still needs the filesystem to be mounted but I am interested in information as "new" as possible. ...
1
vote
1answer
1k views

Force fsck check after reboot with single command

I'm looking for systemd's equivalent to the shutdown -F command. I know that I can force fsck by adding fsck.mode=force to kernel options or tweak mount count for disks. I have tried touch /forcefsck ...
0
votes
1answer
60 views

Which systemd service starts text console on the framebuffer device?

I'm working with an embedded platform and need to have /dev/fb0 clear for my own use (the device accessible over serial console while the screen is used to display information, without X.). I've ...