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

learn more… | top users | synonyms

20
votes
2answers
44k views

How can I restart the SSH daemon on Ubuntu?

When I type in service sshd restart I get a sshd: unrecognized service error. I do have, in /etc/ssh/ a file sshd_config that I use to set config. I can also putty into the Ubuntu box (it is remote). ...
3
votes
5answers
13k views

hostapd will not start via “service” — but will start directly

I am having trouble getting hostapd to start as a service. It fails when I try to start it: $ sudo service hostapd start [FAIL] Starting advanced IEEE 802.11 management: hostapd failed! From what ...
1
vote
0answers
12 views

systemd : write a .service daemon for setting up swap and fs in zram

I recently acquired a laptop with a ssd and in order not to weigh too much on the ssd (which I was told had a limited number of write cycles), I decided to write a systemd unit file for setting up a ...
0
votes
2answers
683 views

Installing MySQL on CentOS throws error that cannot find mysqld.sock

I have yum install mysql in CentOS 6.4. Now, when I use mysql command, it throws the following error: ERROR 2002 (HY000): Can't connect to local MySQL server through socket ...
1
vote
0answers
21 views

Is it possible to create aliases that affect services starting?

Currently I have a custom service that executes java in multiple places. I want to be able to add an option to any executions of java this service will spawn (I'm specifying the error log location, ...
2
votes
5answers
1k views

How can I run a process in a terminal window and then hide that window?

I want to run python ~/program/proxy.py in a terminal when I boot up. And then hide this terminal window (because it is just a proxy program, and I don't want to see the debug info). So how can I get ...
2
votes
3answers
297 views

Nginx leaves old socket

I'm running Nginx 1.6.2 (the nginx-full package from the nginx/stable PPA). I'm using the unmodified configuration /etc/nginx/nginx.conf: user www-data; worker_processes 4; pid /run/nginx.pid; ...
0
votes
1answer
18 views

is it possible to have a dhcp client stop the dhcp service of the server after receiving an address?

Is there anything (specifically in linux machines) that can jump from client to server that would have the ability to perform a root-level task, such as stopping a service in an automated manner? ...
1
vote
1answer
23 views

How to start Virtual Box service on Linux

I performed a dist-upgrade and then and autoclean and autoremove. It disabled the Virtual Box service on Linux because the headers were out of date. The headers caught up, so I rebuilt the modules off ...
1
vote
2answers
53 views

Too many open ports in Debian 8

The IT department has given me 3 virtual servers with Debian 8 for my area, which I will manage (but they have some monitoring tools). Starting Nmap 6.40 ( http://nmap.org ) at 2015-05-11 13:33 ART ...
2
votes
1answer
40 views

Systemd service wanted by multiple targets

Is there a way to make a service wanted by multiple targets (or to have multiple install directives) so that when installed a symbolic link is created in all places. My example is the following ...
0
votes
2answers
38 views

Self-restarting service does not restart with systemd

I have several different services that can self-restart (e.g. after an auto-update). Unfortunately, when they restart, they do not come up. I can tell because service <service name> status tells ...
2
votes
0answers
64 views

Wireless LED indicator issue

The question itself: is there any way to make this indicator be turned ON and OFF depending on wireless status (not just blink when there is wireless activity)? After having installed Linux, I saw ...
1
vote
0answers
111 views

MongoDB “service” on clean Redhat can not be started

I just bring up Redhat 6.5 64-bit from AWS and did the below things: Disabled SELinux Disabled Iptables All ports opened in Security Group Rebooted Then i just followed, both of the below ...
2
votes
2answers
2k views

Get running status of mongodb

Having a script where I start/stop various services depending on what I need. For example Apache, BIND, MySQL, PostFix, Memcached, Tomcat, ... and so on. Depending on status options to script etc. ...
2
votes
1answer
92 views

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 ...
1
vote
3answers
49 views

is there a system-wide “extension” to /etc/services that does not get replaced on package updates?

I know how to use /etc/services but if I change it and the inetd package is later updated via apt-get to a new default one, my changes are gone (happened to me on a apt-get dist-upgrade from Debian ...
3
votes
0answers
14 views

Where do I put my web services? [closed]

I'm administrating my server since a few year but I'm looking for good practice like: What is the best place web service like my wordpress website files? My etherpad-lite instance? Which user shall ...
5
votes
2answers
111 views

What is brandbot?

What is the "brandbot" service running in Centos 7? What does it do? All I can find (it has no manpage) is "Flexible Branding Service" and that it's part of the "base" repo.
0
votes
1answer
119 views

What is logcheck, and why is it consuming 100% CPU out of the blue?

I have a server that's hardly used, basically a fresh linode VPS with Ubuntu 12.04 LTS. It has been running for 14 months with hardly a blip in the CPU graphs (2% max, average over 2 hours). ...
3
votes
1answer
56 views

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 ...
0
votes
3answers
468 views

How to find in Linux if mule is running

When I try to get the status of Mule service in linux by this: service mule status I get this: Usage: /etc/init.d/mule {start|stop|restart} Apparently, mule service doesn't support status. How ...
3
votes
0answers
46 views

What is the difference between “systemctl restart” and “systemctl start”?

I have two services A and B where B is dependent on A which means in the A's service unit i have After and Requires set to B After=B.service Requires=B.service Now when i stop the service B the ...
0
votes
1answer
28 views

Run custom service remotily on Linux

On the server side : ( @ip for example 10.0.0.3 ) Consider this simple script named script.sh : ( /home/user/script.sh ) #!/bin/bash echo good Let's create new service named script.sh under xinetd ...
4
votes
3answers
3k views

What is the recommended way of checking running services?

I'm often exposed to various GNU/Linux systems including CentOS, SLES and Debian. I want to know: what is the recommended method of checking all running services across these systems? I am aware of ...
2
votes
1answer
33 views

Option --skip-slave-start Not Working with Systemctl

I just started with centos 7. I'm trying to get replication working and am attempting to start mysql without starting the slave (so that I can set the pointers as to where it's supposed to resume ...
4
votes
2answers
181 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, ...
16
votes
3answers
13k views

How to make unix service see environment variables?

I have set my environment variable using /etc/profile: export VAR=/home/userhome Then if I do echo $VAR it shows /home/userhome But when I put reference to this variable into the ...
35
votes
10answers
67k views

How to automatically start and shut down VirtualBox machines?

I need to run a software system that is intended to be installed as an appliance on a dedicated machine. In order to save energy, I plan to run the system on a VirtualBox VM instead. The host is a ...
1
vote
1answer
47 views

Linux- Stop a process running as daemon

I've started uwsgi as a daemon, how can I kill that process? Everytime I kill its pid, and then does ps aux | grep "uwsgi", it again comesin the output. I've also tried pkill uwsgi, but no use. How ...
1
vote
1answer
51 views

Optimal way to set and read variables

I need to set 6 variables which are used by several services and applications in Linux. I have so far been using the environment variables, but find it very complicating to modify these variables ...
1
vote
0answers
27 views

Start TCP-based service on demand, and stop it after connection is closed

A server needs to provide several huge (consuming lots of RAM) tcp-based services. What I want to achieve is, that they are started on-demand (lazy), and stopped after either the connection is closed ...
1
vote
0answers
54 views

Running etherpad as a service on raspberry pi

I am setting up etherpad-lite on my raspberry pi ubuntu 14.04 server. I got stuck trying to make etherpad-lite run as a service, following these instructions (I've also checked several others but that ...
1
vote
1answer
25 views

What happens to the services that do not have a killing-script in the new run level?

I read, that each runlevel has its own set of services or daemons, which can be looked up in /etc/rcX.d (X for the respect runlevel), there are scripts which names start with S and start services of ...
0
votes
0answers
53 views

How to debug failing service in Arch Linux

I have a application which i can run without any problems as a normal application. The application is using I2C and WiFi. I can detect the data flow through wireshark so i can confirm that it is ...
0
votes
0answers
22 views

How to backup current chkconfig configurations

How to backup current chkconfig configurations chkconfig --list list the current services configurations, and when (run level) a service set to start. I need to backup the configurations and check ...
3
votes
3answers
6k views

What is the service that's responsible for automounting a USB drive in CentOS 6.4?

I know of the legacy Linux way of mounting a USB stick or drive: mount /dev/sdb1 /mnt/ But in some CentOS 6.x installations I saw, you just insert the USB stick and CentOS automagically mounts it, ...
0
votes
1answer
79 views

Create a service in Debian that sources a bash startup script

The server is running Debian 7 Wheezy without systemd. I have a user in Debian with Perlbrew installed into their home directory. The user is running a Mojolicious app. In order for the app to work, ...
0
votes
0answers
399 views

nginx won't to start

I have run nginx -t and it returns successful. On boot I see messages about nginx has failed to start, and it wont start when I try nginx or service nginx start Instead i get a message to check ...
0
votes
0answers
12 views

Will I be able to install a service as a sudoer?

I will need to install a custom application as a service on a RHEL 6.2 box this weekend. Will I be able to do this with sudoer powers or will I need the root password for anything?
1
vote
0answers
38 views

Service script and shared libraries

I have the following simple script IPN in CentOS 6.5 in /etc/init.d/ #!/bin/sh # chkconfig: 2345 05 06 cd /root/IPNHost . /etc/rc.d/init.d/functions start() { echo -n $"Starting..." ...
2
votes
1answer
51 views

FreeBSD: Restart one service each time another restarts

On FreeBSD, what is the correct/canonical way of specifying that one rc script is reliant on another, such that each time the service it depends on is restarted, the dependent service is then ...
1
vote
3answers
366 views

Can't start a ZNC service

I try to start ZNC using the following command service znc start I get this error Starting znc: /usr/bin/dirname: extra operand `2>&1.pid' Try `/usr/bin/dirname --help' for more ...
0
votes
4answers
86 views

Load a service in Linux programatically [closed]

Given a service name(created by user) and its path, how can I load and start the service at runtime from a C++ program in Ubuntu. Does there exists functions similar to the Windows functions such as ...
1
vote
1answer
1k views

Why FreeRADIUS service won't work on Centos?

I have installed FreeRADIUS server on centos via yum successfully, but I couldn't start radiusd service. when I run as root user and exec the following radiusd -X an error is occurred. [root@userAAA ...
1
vote
1answer
55 views

who controls a linux service?

How do I quickly find out who controls some linux service? I'm tired of poking around /etc to find out if initd, upstart, systemd or supervisord is controlling some service.
1
vote
1answer
121 views

Keeping track of service status continuously

I need to monitor the status of nagios service (Because, whenever I make any changes in configuration and apply the new configuration, I would find nagios service stopped). If found in 'stopped' ...
0
votes
1answer
58 views

What do +,- and ? symbols represent in `service --status-all`

What do +,- and ? symbols represent in service --status-all represent in Ubuntu 14.04. I am not able to understand it properly. I guess + here might mean delayed services which start after the ...
2
votes
1answer
222 views

How to enable systemd's service without waiting?

I'm trying to make fastest boot possible and did run systemd-analyze critical-chain: graphical.target @5.800s └─multi-user.target @5.800s └─NetworkManager.service @4.201s +1.598s └─basic.target ...
1
vote
2answers
87 views

How to use process substitution within a case statement without getting syntax errors?

I have a script loaded as a service in /etc/init.d/myfile When I try to start the service I get the error /etc/init.d/myservice: 21: /etc/init.d/myservice: Syntax error: "(" unexpected The issue ...