Questions tagged [systemd]
systemd is a collection of daemons, libraries and tools for system management. Ubuntu's Upstart system was replaced with systemd starting with Ubuntu 15.04.
1,639
questions
591
votes
10
answers
1.2m
views
How to list all enabled services from systemctl?
How can I list all enabled services from systemctl?
I know running systemctl command by itself lists all services, but I would like to only get the enabled ones.
- 6,137
290
votes
2
answers
206k
views
Difference between systemctl and service commands
systemd gives us the systemctl commands suite which is mostly used to enable services to start at boot time. We can also start, stop, reload, restart and check status of services with the help of ...
- 5,807
261
votes
4
answers
307k
views
How do I stop Apache2 from automatically starting on boot?
How do I stop Apache2 from automatically starting on boot? I can't seem to find an option that disables the automatic start-up when I turn on the machine.
- 2,881
248
votes
2
answers
592k
views
How do I make my systemd service run via specific user and start on boot?
I just upgraded from Ubuntu server 14 to version 15. I had trouble getting my upstart script working after the upgrade, and read that systemd is the new default. I'm far from a linux expert, so please ...
- 2,655
203
votes
1
answer
273k
views
How do I override or configure systemd services?
Many sysv init scripts used a corresponding file in /etc/default to allow the administrator to configure it. Upstart jobs can be modified using .override files. How do I override or configure systemd ...
- 198k
199
votes
9
answers
462k
views
Command to list services that start on startup?
Is there a command to list services that run on startup? I imagine it would involve parsing /etc/init.d/, and the various /etc/rc.* directories.
- 2,093
191
votes
3
answers
435k
views
How do I run a single command at startup using systemd?
I'd like to startup an Apache Spark cluster after boot using the following command:
sudo ./path/to/spark/sbin/start-all.sh
Then run this command when the system prepares to reboot/shutdown:
sudo ./...
- 2,817
174
votes
3
answers
194k
views
What is the difference between "systemctl start" and "systemctl enable"?
I installed MariaDB server to my machine. While setting up, I was met with the problem of whether I should have it enabled all the time, as the documentation I follow suggests with these steps:
sudo ...
- 1,869
166
votes
5
answers
372k
views
How to disable systemd-resolved in Ubuntu?
How can I disable systemd-resolved in Ubuntu 17.04?
Disabling it with systemctl disable didn't work, the service seems to be restarted (by Networkmanager?)
- 4,696
112
votes
8
answers
314k
views
systemctl failed to connect to bus - docker ubuntu:16.04 container
I'm trying to use the systemctl command in a ubuntu:16.04 docker container. I'm running the following command...
systemctl status ssh
However I'm getting the error...
Failed to connect to bus: No ...
- 2,315
110
votes
4
answers
284k
views
Why are some systemd services in the "masked" state?
When I run the command sudo systemctl list-unit-files (I think the sudo is optional), I get output which shows all services and their state.
Here is a snippet from my machine:
UNIT FILE ...
- 5,004
100
votes
3
answers
130k
views
What is the difference between "systemctl mask" and "systemctl disable"?
I want to improve the boot time of my Ubuntu GNOME 16.04 by disabling plymouth services when booting up. I've found two answers on how to do it on various websites namely:
# systemctl disable ...
- 1,312
100
votes
2
answers
90k
views
Systemd logs (`journalctl`) are too large and slow
My journalctl is keeping over 300 MB of logs as revealed by journalctl --disk-usage. Everything appears to be in order when I run journalctl --verify:
$ journalctl --disk-usage
Archived and active ...
- 102k
100
votes
4
answers
164k
views
Where is "journalctl" data stored?
When I issue journalctl I get a massive log of all system services, but where is all this information stored?
- 1,489
88
votes
3
answers
120k
views
How can I flush the DNS on Ubuntu 17.04?
How can I flush the DNS on Ubuntu 17.04?
I seem to have a few DNS issues at the moment since upgrading to 17.04 from 16.10 and went to flush the DNS but I can't find how to.
Can anyone tell me ...
- 3,489
84
votes
4
answers
338k
views
Where are the systemd units/services located in Ubuntu?
I keep finding, while googling, that they're located at /usr/lib/systemd/system/ and /etc/systemd/system/. However, in my ubuntu, the first doesn't even exist, and the other has only a few services
...
- 873
68
votes
2
answers
186k
views
allowing user to run systemctl/systemd services without password
I want the default user, ubuntu to be able to run a specific service without being prompted for a password.
Specifically systemctl restart unicorn_my_app.service.
Have followed the instructions here ...
- 923
61
votes
3
answers
180k
views
How can I execute command on startup (rc.local alternative) on Ubuntu 16.10
I am setting up quota on my Linode server running Ubuntu 16.10, and I get the following error
Cannot stat() mounted device /dev/root: No such file or directory
So to fix this, I reached this ...
- 713
58
votes
4
answers
266k
views
systemctl, how to unmask
root@gcomputer:~# systemctl status x11-common
● x11-common.service
Loaded: masked (/dev/null; bad)
Active: inactive (dead)
I tried systemctl unmask x11-common and systemctl unmask x11-common....
- 2,577
57
votes
3
answers
194k
views
Systemd service, Working Directory not change the directory
I created this script:
[Unit]
Description=test
[Service]
WorkingDirectory=/home/someuser
ExecStart=/somescript.sh
Restart=always
RestartSec=10
StandardOutput=syslog
StandardError=syslog
...
- 673
56
votes
7
answers
89k
views
How do I modify "/sys/kernel/mm/transparent_hugepage/enabled"
I use mongodb 3.0 and I find a warning:
MongoDB shell version: 3.0.0
connecting to: test
Server has startup warnings:
2015-03-13T16:28:29.405+0800 I CONTROL [initandlisten]
2015-03-13T16:28:29.406+...
- 877
55
votes
3
answers
100k
views
How do I exit the systemctl status command's output? [duplicate]
How does one go about getting the command line prompt back after using the systemctl status command? The command appears to succeed as it displays the status information of the requested service. ...
- 653
52
votes
1
answer
45k
views
How do I properly install a systemd timer and service?
I am attempting to create and install on Bionic a custom pair of systemd timer & service units for running a command periodically. I know that the files should be placed in /etc/systemd/system ...
- 787
50
votes
4
answers
147k
views
What is a masked service?
I would like to understand what a masked service is and how to unmask it if need be.
I have been trying to start PostgreSQL on Ubuntu 16.04-LTS using the command
systemctl start postgresql.service.
...
- 1,063
49
votes
2
answers
46k
views
How to activate hibernation in 16.04.1 ? (systemd)
I have a fresh install of 16.04.1 on a Lenovo T450s that always worked fine with respect to suspend/hibernate on Ubuntu (previous version I used was 14.04.5). Swap is comfortably bigger than RAM on ...
- 1,252
48
votes
2
answers
50k
views
How can I replace upstart with systemd?
Since Mark Shuttleworth decided to switch to sytemd in the future, I was wondering if I can install it on my Ubuntu now?
- 26.7k
45
votes
5
answers
200k
views
How to resolve "service start-limit-hit"
I am trying to run a Node.js API as a service, but am running into problems.
When running systemctl status servicename.service I get the following error:
servicename.service - [Service description] ...
- 583
43
votes
3
answers
60k
views
Is Ubuntu 14.04 using systemd?
There was a lot of discussion about the init system for 14.04 before it was released, but I cannot find any site that explains the outcome finally.
So is Ubuntu 14.04 using systemd now?
- 32.4k
43
votes
1
answer
31k
views
Which to use - systemd OR supervisor?
I have a plugin for alerting on elasticsearch.
This is run manually everytime
python -m elastalert.elastalert --verbose --rule example_frequency.yaml
By this way have to dedicate a screen to ...
- 5,807
42
votes
4
answers
83k
views
Slow boot issue due to plymouth-quit-wait.service + ubuntu 18.04
This is freshly installed machine running as dual boot over Win 10.
For every reboot machine hangs for 15 secs as the plymouth service unable to start, due to some reasons.
ENv:-
Manufacturer:...
- 531
42
votes
2
answers
54k
views
What is the use of systemd-journal-flush.service?
It slows my system boot time.
Can i disable it?
What will happen if i disable it on boot?
I am using Ubuntu version 18.04.
- 565
40
votes
1
answer
60k
views
sudo service status includes bad;
$ sudo service cassandra status
● cassandra.service - LSB: distributed storage system for structured data
Loaded: loaded (/etc/init.d/cassandra; bad; vendor preset: enabled)
Active: active (...
- 2,293
40
votes
5
answers
31k
views
How do I disable the systemd OOM process killer in Ubuntu 22.04?
Ubuntu 22.04 comes with the systemd-oomd service enabled by default, which has been "helpfully" killing my IDE and / or terminals whenever I try to compile an application using an abundance ...
- 831
39
votes
1
answer
137k
views
How do I change the runlevel on systemd?
Pretty simple, I am trying to change the runlevel. Everything I find online points me to the file located in:
/etc/init/rc-sysinit.conf
Here I have tried changing the "DEFAULT_RUNLEVEL" to 3 or ...
- 569
37
votes
1
answer
23k
views
How to avoid horizontal scrolling in "systemctl status"?
In a long line in systemctl status it's necessary to scroll horizontally which makes it quite hard to copy the output. Is there a way to get linebreaks at the end of terminal (like nano -$ would do)?
...
- 6,190
36
votes
4
answers
54k
views
16.10 fail to resolve DNS
After upgrading my 16.04-installation to 16.10, I have trouble with DNS.
First I got problems a couple of times when connected to WiFi, while it worked on ethernet. Now it seems to work on WiFi also. ...
- 542
36
votes
1
answer
61k
views
systemd is hanging when I start or restart a service
I'm new to systemd after upgrading to 16.04 and I'm encountering a problem with starting and restarting services. When I run (for example)...
systemctl start djalbat.com
...it seems to work, however ...
- 561
35
votes
3
answers
183k
views
What is the systemctl equivalent
I am converting a package from .rpm to .deb using this tutorial. However, to test and debug the application I need to run it. The programs readme explains to run it as a service with:
systemctl ...
- 351
33
votes
4
answers
57k
views
How do I add ~/bin to PATH for a systemd service?
I have a systemd service which calls a PHP script that creates a tmux session on boot.
Globally I have the most current tmux for the distro (V>=2.5).
The script's USER has a $HOME/bin/tmux of 2.0
...
- 1,502
32
votes
8
answers
32k
views
Ubuntu 18.04 systemd-udevd uses high CPU, conflict with wifi
I recently switched from Kubuntu 17.10 to Kubuntu 18.04 (fresh installed). The problem is the process systemd-udevd is constantly running and consuming 90-100% CPU load. After tinkering around with ...
- 797
32
votes
3
answers
32k
views
Systemd fails to start openvpn in lxd managed 16.04 container
openvpn starts fine from the command line using the exact ExecStart= call from the systemd unit file:
/usr/sbin/openvpn --daemon ovpn-server --status /run/openvpn/server.status 10 --cd /etc/openvpn --...
- 483
32
votes
3
answers
26k
views
Why does an Ubuntu Server have graphical.target as the default systemd target?
I've been an Ubuntu user for a while, and at work we have many Ubuntu VM servers, all of which run Ubuntu 14.04 LTS to deploy our web applications, databases, and other tools.
I'm currently studying ...
- 954
31
votes
3
answers
105k
views
16.04 Command to list all services started on boot
I've installed mongodb v3.4. This starts up on boot.
So I'm wondering, how to I find out what is starting this up (and how to disable it from starting on boot)?
The following did not work:
How can ...
- 9,486
31
votes
7
answers
34k
views
Is there a GUI tool for managing systemd on Ubuntu 18.04 (Bionic Beaver)?
Is there a GUI tool for managing systemd on Ubuntu 18.04 (Bionic Beaver)?
I want to be able to see the status of services and/or units (and/or whatever else systemd calls them).
Ideally, I could also ...
- 1,375
30
votes
2
answers
4k
views
systemd-journald crashed with SIGABRT in pthread_sigmask()
Fresh install of Ubuntu 18.04 on a new Lenovo x1c6, I'm getting this error sometimes after resuming from suspend.
I have no idea what it means, and search online leads to a bug report that doesn't ...
- 632
29
votes
4
answers
13k
views
systemd-resolve high cpu usage after update to 17.04
I have recently upgrade my Xubuntu from 16.10 to 17.04.
Every things works well except systemd-resolve. some times it makes cpu usage too high and I don't know why this issue has been happend.
And ...
- 5,768
28
votes
3
answers
14k
views
Rationale for switching from upstart to systemd?
The larger change that comes with Ubuntu 15.04 is the switch from upstart to systemd as the default for managing boot and system service startup.
Could anyone adequately explain to a non-technical ...
- 1,141
27
votes
4
answers
20k
views
After upgrade 14.04 to 16.04.1 Postgresql server does not start
Just upgraded my system from 14.04. LTS to 16.04.1 LTS, postgresql does not start on systemd:
/etc/init.d/postgresql start ...
26
votes
6
answers
22k
views
How to run tmux/screen with systemd > 230?
I run 16.04 and systemd now kills tmux when the user disconnects (summary of the change).
Is there a way to run tmux or screen (or any similar program) with systemd 230? I read all the heated ...
- 1,315
25
votes
2
answers
125k
views
How to sync the time to network with timedatectl on Ubuntu 18.04?
I've installed the OS and the time is incorrect.
The timedatectl shows:
System clock synchronized: no
systemd-timesyncd.service active: yes
RTC in local TZ: no
How to force ...
- 3,616