A Linux service is an application (or set of applications) that runs in the background waiting to be used, or carrying out essential tasks.

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What service executes that sets up the real time clock

I'm looking for the service that runs that sets up the correct time on my system. Does anyone know what service does this?
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Systemd wait for network interface to be up before running service

I have a couple questions about systemd. I'm having issues consistently getting my script to run once the network interface is up. I have tried Requires and After as seen below but is inconsistent ...
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How can I tell if service and systemctl are the same command?

I'm trying to run Nginx using Systemd as a process manager. When I run sudo service nginx start and then type ps -aux | grep nginx it appears to be the same process running as when I started it using ...
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update-rc.d service running on shutdown

I've setup a startup script in Yocto Poky by putting boot_script.sh in /etc/init.d and running update-rc.d boot_script.sh defaults 99 from that folder. This results in K99boot_script.sh in folders /...
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Default-Start contains no runlevels

I am trying to make my custom made daemon run at startup and when I call update-rc.d ydcd enable I get the error update-rc.d: using dependency based boot sequencing update-rc.d: error: MyDaemon ...
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systemctl script not able to read and write

I have a script running at start up using systemctl. Shown below. The script that runs just reads and writes data from a txt file. [Unit] Description= Start sample script After=local-fs.target getty@...
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100 views

whats the best way to remove pid files before starting a service

I have a service that does not always remove its pid files when shutting down. So when it goes to start up again it fails. My system is a RHEL 7.2 system and what I want to do is have the system look ...
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75 views

What is wrong with my systemd unit file?

Here is my unit file: [Unit] Description=Backend Service After=mariadb.service Requires=mariadb.service [Service] Type=simple ExecStart=/var/www/html/pythonscripts/Backend.py [Install] Alias=BEd ...
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Making systemctl to shutdown process gracefully

I made a small systemctl service to manqge HLTV server (it records demos from a game and stores them on disk): [Unit] Description=HLTV server Requires=cs16.service After=cs16.service [Service] Type=...
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Trouble setting up systemd service on Centos 7 system

An application from a vendor was installed with a non-root user. This is supported by the vendor and all is good. So the non-root user owns all the installed application executables and files. One of ...
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35 views

How to advertise a service on a port

I want to run a service(a server typically) on a host and it should advertise to other machines in the network. Let's say I'm running a ReST service which provides the temperature based on location ...
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59 views

systemctl not works for own daemon

I have a problem with starting own daemon program using systemctl in Debian (deamon has wirted in golang if this have any meaning) I created file in /etc/systemd/system/tcp-server.service . His ...
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Can I start a service with optirun?

I have a laptop with two GPUs (Intel and NVidia) so I have to use Bumblebee (via optirun) to use my NVidia GPU with some applications. I would like a service, which can be found in /etc/init.d, to ...
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251 views

Universal Media Server not working

I'm trying to get Universal Media Server to work on a headless Debian 8 home server to stream video to my PS4 and other devices. I followed this tutorial (http://www.slsmk.com/how-to-install-universal-...
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1answer
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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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44 views

Restart service after boot then enable networking ordering

Problem: Server application when first started upon boot has memory leak. When service is restarted, it will then run without issue. Temporary solution is to: AFTER the OS has completed booting, ...
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1answer
201 views

Sudo with NOPASSWD and service restart [duplicate]

I have an /etc/sudoers with the following: glens ALL=NOPASSWD:/usr/sbin/service php5-fpm glens ALL=(ALL:ALL) ALL And I'm trying to run the command: sudo /usr/sbin/service php5-fpm restart ...
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Run root program on login

Apache2, SSH, and similar don't seem to work (unless restarted) upon booting, and logging in graphically to device. To make it work, I have to type /etc/init.d/apache2 restart, and do the same for SSH....
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How to enable/disable services with upstart 0.6.7?

I need to disable a service in RHEL, before upgrading it. Stopping it does not do the trick, because it uses the respawn stanza , which causes it to start immediately after I stop it. The method in ...
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38 views

Keeping an SSH tunnel up while my system is up - init.d service or something else?

I use an SSH tunnel on my host computer daily; but so far I've just been manually using some terminal just for that: Entering ssh -D 5001 user@some.where.com at the command line, and redoing it if ...
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1answer
100 views

How do you disable a service in systemd?

I know what the command is sytemctl disable NAME but I have a question about the NAME parameter. For example the bluetooth service[1] on Fedora 21. For the NAME parameter should you put bluetooth or ...
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What does status “active (exited)” mean for a (custom) service?

I'm working with a custom service which essentially runs a web server, called thisismywebserver. Currently it's not working (ie I get an "Unable to Connect" error trying to access a page). When I ...
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Symlink as WorkingDirectory in systemd service

I have a service with WorkingDirectory=/srv/ctr/current which is a symlink. It seems the service doesn't pick up changes in the symlink when restarted. The error log reports /srv/ctr/releases/69 as ...
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1answer
140 views

Unable to start ZNC as a service

Firstly, this is the exact same question as found here, but the given solutions did not work in my situation. Background I am running a CentOS 6 VPS and I want to run a ZNC bouncer on it. I ...
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1answer
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systemd service and multiple haproxy instances

I have a requirement to run a couple of instances of haproxy and I need to update the haproxy.service file to add the second command / instance. Google lead me to adding the second command on the same ...
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Does a service restart send a HUP?

I have noticed that doing a service restart with something like: service sshd restart is very similar to doing something like: pkill -HUP sshd However the pkill would close my ssh session where ...
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1answer
49 views

How does kill by pgid affect new subprocesses?

I have a very complicated application, which has its init-script and main service runs as a daemon. I want to stop it fast and gracefully, so I used this in stop() function: group_id=$(ps -o pgid= $(...
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1answer
36 views

Keeping services on EC2 alive

I'm using a MySQL database and Apache server with an AWS EC2 instance running AWS Linux. I start them both using the service command, but I am not familiar with any other tool that would come pre-...
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2k views

Unable to start vncserver in RHEL 7

Following the instructions from Redhat documentation (TigerVNC), I've installed VNCserver in RHEL 7. When I try to start the vncserver service, it returns an error #systemctl start vncserver@:1....
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Can´t run COUCHDB service

I am trying to run couchdb service, but after type # service couchdb start I get answer: Failed to start couchdb.service: Unit couchdb.service failed to load. No such file or directory. I've ...
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3answers
181 views

Execute a command after 10 minutes of boot

I have a CentOS Server. When the server Boots up I want to execute a command after 10 minutes of booting up. How can I do so? $ /usr/bin/curl -u admin:$PASSWORD -i -H 'X-Requested-By: ambari' -X PUT -...
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How do I create a service for a shell script so I can start and stop it like a daemon?

I'm using CentOS 7 what my aim is to create a cron for every five seconds but as I researched we can use cron only for a minute so what I am doing now is I have created a shell file. hit.sh while ...
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275 views

Monitoring systemd service activation times

I'd like to be able to retrieve from systemd how much time the last activation of a oneshot service took. I thought about the following options, but they didn't manage to convince me completely : ...
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I have error in postgresql service

Today I would like to test my metasploit. So, first I run service postgresql start, so here problems: root@localhost:/# service postgresql start [....] Starting PostgreSQL 9.1 database server: main [...
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1answer
416 views

How to run ipython notebook as a service

I have ipython notebook running properly but I'd like to run it as a service (start, stop, restart) so that I don't have to start it manually every time I login with SSH. How can I do that?
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130 views

How to start xend service automatically on boot?

I am trying to auto-start xend and xendomain service automatically on boot as soon as I log into XEN-dom0 (on Ubuntu server 12.04 x64) so that when I type : sudo xm list the hypervisor lists me all ...
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Memory consumption over variable period of time

There are a number of questions on this StackExchange about memory consumption, notably: How to check which process is using most memory How to display top results sorted by memory usage in real ...
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1answer
401 views

nginx stop is not working and nginx is creating new process after killing processes

nginx version: nginx/1.8.0 I am trying to stop nginx with the following command /etc/init.d/nginx stop, however it is not returning any successful message. Then I tried to view the nginx processes ...
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40 views

Config folder for a service

Context When running the Deluge daemon (deluged) as a service, you can specify an option to where the config folder will be created. The deluge-user I've created, is a system account, and therefore ...
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1answer
102 views

Where do service permissions come from

I'm trying to broaden my knowledge of the events surrounding system startup. I see that there are many process which are started without root level permissions. e.g. rsyslogd is listed as running ...
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1answer
266 views

How to install `service` command in a Stable Debian?

In ubuntu we do simple: service MyService restart service MyService stop ... So, the service command is good and simple. I need this simplicity: how to install service command on Debian? PS: this ...
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1answer
43 views

service launched at boot, after all other?

Config : Linux Mint 17,2 (Ubuntu based, Debian based). I launch a home-made service at boot. Added with update-rc.d homemadeserviceName defaults I need to be sure homemadeserviceName runs after all ...
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34 views

Making service NOT launch at boot

Context I made a service in init.d to be launched at boot (let's call it the primary service). And I updated update-rc.d primaryservice defaults This service calls 2 scripts (2 different task ...
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1answer
182 views

Is there a way of getting logs for startup processes in /etc/init.d?

Is there a way of getting logs for startup processes in /etc/init.d? I am running Raspbian (Debian Wheezy). dmesg shows boot log, but does not go far enough. Some time ago I added a script to start ...
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0answers
144 views

How to configure Systemd User Service with a Timer

I have a systemd user service that works as expected. It is started like this: systemctl start test@user The problem is that I need to run this service on a timer possibly for multiple users. There ...
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3answers
132 views

Dynamic logic in systemd service file

I'm trying to rewrite an init.d service file that contains the following code: if [ ! -r /var/spool/torque/server_priv/serverdb ]; then DAEMON_SERVER_OPTS="-t create $...
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Systemd optional service dependency that checks for error

I'm trying to rewrite an init script to systemd, but I'm struggling with an issue of optional dependencies. My service depends (optionally) on two other services. These two dependencies are mutually ...
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opening a terminal with a command on startup in debian

I have an application which is an object file (obtained from a c source code). When I run this application from the terminal it works fine. I want to run this application on system start up. Since ...
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456 views

service pptpd shows “is not running” but why it is still working?

In my ubuntu server 14.04, I start a pptpd service, when I check it status: ubuntu@server:~$ service pptpd status * /usr/sbin/pptpd is not running But it actually is wokring: ubuntu@server:~$ ps ...
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Ubuntu full list of available services

This question is very similar to this one: List of available services For my specific case, I'm wondering if there is a specific command to show the full list of services under Ubuntu. I did run a ...