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.

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Why doesn't my systemd user unit start at boot?

I'm trying to create a systemd user unit and have it start when the system boots. The service does start manually, however it does not start at boot. From searching the Internet I learned that in ...
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Can't boot system with systemd version above 208

I recently upgraded systemd from version 208 to 212 (also tried any other version between these two numbers) And the system can't boot anymore. Looks like it cannot mount /tmp, but in emergency shell ...
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Systemd postgresql start script

I'm in the process of installing postgresql onto a second server Previously I installed postgresql and then used the supplied script ./contrib/start-scripts/linux Placed into the correct dir # cp ...
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How does _netdev mount option in /etc/fstab work?

I'd like to know what is the exact mechanism (implementation) used to defer mounting until after network interface is up when one uses _netdev option in /etc/fstab? Does systemd alter this behavior? ...
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What's the status of Upstart on Debian? [closed]

I know that this question has already got asked before, but it's pretty old and things have changed (probably). Already in 2009 the news rumbled, that Debian was going to switch to Upstart. You were ...
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How to mount NFS 3 volumes on Fedora 17?

I installed the package nfs-utils and tried it via: # mount -t nfs server:/mnt /mnt mount.nfs: rpc.statd is not running but is required for remote locking. mount.nfs: Either use '-o nolock' to keep ...
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How can a poor old non-root user get the core dumps systemd ate?

As we know, with systemd, core dumps don't just get written to the current directory but to some obscure journal. Now, I'm a poor old non-root user on some machine, and - I want my core dumps! I can't ...
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After sending shutdown command, ssh session doesn't terminate

Whenever I send the command to turn off or restart my Debian servers, my shell is left hanging and unresponsive (can't type any commands). Performing the same action in Ubuntu results in the ...
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Network naming on Arch Linux

I've just installed Arch Linux on my old PC, to do the installation I used wifi-menu wlan0, now I've reboot but if I type: ifconfig wlan0 up I have as a result: wlan0: ERROR while getting ...
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Making environment variables available for downstream processes started within an init.d script

This questions stems from @FrustratedWithFormsDesigner comment. How do I make export environment variables set within an init.d script available to downstream processes started within that same init....
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How do I view systemd logs from before a journal corruption?

I had a server issue today where CPU was pegged at 100%. I had to hard-reset the server in order to bring it back up, and now I'm trying to determine the cause of the high load. Unfortunately ...
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Can I use a symbolic link as a service of systemd?

For instance, I have a service named mysshd.service under /usr/lib/systemd/system/ directory. Can I create a symbolic link such as: ln -s /usr/lib/systemd/system/mysshd.service /usr/lib/systemd/...
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CoreOS can't pull docker container on boot

While following the systemd guide I ran into an issue with this example configuration: [Unit] Description=MyApp After=docker.service Requires=docker.service [Service] TimeoutStartSec=0 ExecStartPre=-...
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service command does not work in centos 7

I used to use service command for restarting, reloading, and checking status of service on centos 6.5 like below: $ sudo service nginx restart OK $ sudo service nginx status ...
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456 views

SIGKILLing after a grace period

I've seen a lot of process managers that try to do this. It was my understanding that you should only use SIGTERM to kill a process. The process could take an unknown amount of time to clean up after ...
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What are the practical implications, if any, of using software which processes are not the descendants of the window manager?

I've set up Openbox on bare X with the slim login manager, all on a systemd init (on Gentoo). I'm using two different terminal emulators on the desktop so as to be able to create different behaviors ...
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Why is a service being started if it isn't mentioned in /etc/init.d?

After a clean install of Fedora 17 and distcc-server, I did a service distccd start, which completed successfully. man service indicates that it would merely be running the distccd script at /etc/...
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Watchdog daemon doesn't start at boot

I'm using a Raspberry Pi B, with Raspbian. After upgrading to Jessie, watchdog daemon doesn't start at boot anymore. Starting it manually using "sudo service watchdog start" does work. I tried: ...
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How to permanently disable root-password prompt for recovery mode, RHEL7

Note: I asked a similar quesiton concerning version 6 of these bundles here. Note that 7 uses systemd and may have a different implementation In the rare cases that a RHEL or CentOS 7 system is ...
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With systemd-networkd, perform an action upon network configuration change

I am switching from Debian’s ifupdown to systemd-networkd, and it mostly works fine. One missing bit is that upon every network change, I want to call killall -ARLM tinc, so that my VPN is going up in ...
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Why does my systemd unit fail to run on server reboot?

I'm having troubles getting a systemd service unit file to run correctly when the server reboots. This server is a fresh CentOS 7.0.1406 install. I'm trying to set it up with multiple Apache httpd ...
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How can I start Apache on Arch Linux w/systemd using passphrase protected SSL keys?

I'm relatively new to using Arch Linux and think I must be missing the obvious way to do this correctly, but –short of starting the daemon on my own– I can't figure out how to get passphrase protected ...
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How to implement logwatch functionality on top of systemd journal?

Logwatch scans logfiles with regular intervals, collects errors and stuff, then mails it to the admin. This was back in syslog and logfiles days. What's the corresponding solution for systemd's ...
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Where is my /etc/init.d/skeleton on OpenSuse 12.3?

On a fresh install of OpenSuse 12.3, I want to "daemonize" a program. And, on all examples found on Internet, I see I have to create first a /etc/init.d/myscript based on the /etc/init.d/skeleton... ...
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journalctl process eating up memory

I have a process run by root journalctl -b --system showing up on htop that is eating a ton of CPU. I understand journalctl is for querying the journal, so is it safe to kill the job without impact on ...
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Is it possible to manually execute a single systemd timer-paired service unit for testing purposes?

I have a timer/service unit-set that should run once a day under --user conditions. It shows up with systemctl --user status and gets logged in journal but there is a part of the command that fails. ...
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command not running in cron (systemctl suspend)

I have this cronjob set : * * * * * /usr/bin/systemctl suspend And it is not working. But I can run it in a shell and it works. I don't understand what could be not working. EDIT Redirecting error ...
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docker compose create containers without starting them

My docker containers are build with docker-compose and I automatically start them container on my CentOS 7 system using derivatives from the documentation example:: [Unit] Description=condb container ...
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Inherit environment variables in systemd Docker container

I have a Docker container running systemd. I want to pass environment variables to applications under it. When I start systemd from within Docker (/sbin/init as command line), Docker exposes ...
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systemd user cannot get user group's ability

I added a non-root user in docker group, and an other service run as this non-root user connect to docker daemon. but the service can not work. I do a test example for this : root@# systemctl start ...
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System does not poweroff - how to diagnose

After upgrading to debian jessie my dated desktop system no longer powers off reliably (/sbin/poweroff - via systemctl on tty1). Instead, it shuts down, pauses and reboots and only powers off if I ...
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How do I start service in systemd right after cryptsetup?

I have an ArchLinux installation with systemd. I am trying to run a hook immediately after my encrypted data device is mounted in order to put flashcache on top of it. I have scripts that work, ...
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Enable systemd-baclight@intel_backlight instead of systemd-backlight@acpi_video0

I have 2 files in /sys/class/backlight/ - acpi_video0 and intel_backlight. intel_backlight is the one which controls my screen brightness (echo/cat), however acpi_video0 is the default. By default ...
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How can I start a systemd service only after mysql has started?

I am working on a project which is a mono EmailServer. I have tried adding a service to the systemd so that it starts up automatically during boot but I am having a problem. I have created the ...
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What's the best way to have uwsgi create a '/run/uwsgi' folder on reboot?

I have set up a Django project to run with uwsgi and nginx and it's all running as expected, except that when I reboot uwsgi will not launch correctly until the /run/ folder is recreated on the fs. /...
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How to disable X server autostart in Debian Jessie?

I have a remote machine running Debian 8 (Jessie) with lightdm installed. I want it to start in no-GUI mode, but I don't want to remove all X-related stuff to still be able to run it though SSH with ...
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Porting old sysvinit habits to systemd

I have a series of script with which I was able to install and configure newly Debian stable systems. To automatically start programs I use /etc/rc.local but for other cases I had to manually change ...
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Shutdown procedure clarification

The book "How Linux Works" says the general shutdown procedure (independent of init system) is something like this: init asks every process to shut down cleanly. If a process doesn’t respond after a ...
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Run script every 30 min with systemd

I would like to execute a script every 30 min after booting into the system. I know you can use cron, but I don't plan to use this feature often therefore I'd like to try it with systemd. So far I ...
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generic methodology to debug ordering cycles in systemd

I am aware of following thread and supposedly an answer to it. Except an answer is not an answer in generic sense. It tells what the problem was in one particular case, but not in general. My ...
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When saving INTO OUTFILE from mysql on a systemd based system, the output file is grabbed by systemd — why?

I regularly run simple reports from a mysql (actually, mariaDB) database: MariaDB [acts]> SELECT resolution, title FROM acts ORDER BY resolution INTO OUTFILE '/tmp/acts-titles.txt'; Recently I ...
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Why is my systemd journal not persistent across reboots?

I'm experiencing a very weird issue with a fresh Fedora 21 image on a Linode instance. I cannot reproduce it outside of Linode. The issue is that my systemd journal is not persistent across reboots. ...
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Output of a python script running as unit is out of order while shells seems unnafected

How would I get all outputs of systemd managed python2 script instantly into journal, just like it appears in terminal I'm on centos 7, but seems to be same on arch according to systemd manual, ...
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How to disable systemd's “Time has been changed” message spam in /var/log/syslog on Debian jessie?

Due to combined use of Debian jessie, that uses systemd by default, and sdwdate (that uses Slow Clock Adjuster ( gh )), my system clock is frequently changed. As a result /var/log/syslog gets ...
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Log every command typed in any shell: output (from logger function to syslog-ng/journald) contains duplicate entries for commands?

I installed syslog-ng to use on my desktop (Gentoo 64bit, upgraded to systemd i.e. was OpenRC before, with Openbox and Slim only) with my normal user to log all commands I type in the shell (bash ...
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Does systemd still know about runlevels?

Does systemd still have the concept of runlevels? For example is it pointless to use telinit <number>?
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Why do I have to restart NetworkManager.service all the time?

After switching to systemd, I started to use NetworkManager.service, I got connected to WIFI automatically at boot, but I got the following message when I run nmcli con: ** (process:4433): WARNING **:...
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Mac randomisation with systemd?

Is it possible to randomise the mac address with systemd itself? I have heard that it is possible in newer versions of systemd. This is my systemd version: systemd --version systemd 229 +PAM +AUDIT +...
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What is the proper way to unlock a root filesystem spanning two LUKS devices by only entering the password once, using systemd?

I have been having a lot of issues getting an encrypted multi-disk root filesystem to boot up reliably under systemd on Debian Jessie while only having to enter the password once. Previously I've ...
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Where is the `$TERM` environmental variable set in Debian Jessie for console logins?

I have read a lot of articles and SE questions regarding how and where the default $TERM environmental variable gets set. Unfortunately in Debian 8.1 I can't seem to find where the default $TERM ...