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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960 views

How to set proper monitoring of my services in a automated way? So that if one crash it auto on the fly restarts?

How can i setup monitoring to my system services? Either using automated script which scan every moment, if httpd, mysqld, and my custom daemon is running or not, if not running it will automatically ...
1
vote
1answer
469 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' state,...
8
votes
1answer
3k views

How to autostart a background program by a non-root user?

As a non-root user, I want to run a background job when the system boots. It's sort of a service which doesn't require root privilege. Is there a way to do it? One way is to put sudo -u user command ...
43
votes
10answers
87k 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 ...
33
votes
3answers
33k views

Writing basic systemd service files

I am developing a Nodejs application that the user interacts with via HTTP on localhost. There are practically no parameters and the daemon has virtually no dependencies and it just needs to be up by ...
11
votes
3answers
24k views

The rc0.d,rc1.d,… directories in /etc

I'm running Ubuntu where I have the directories /etc/rc0.d, /etc/rc1.d, /etc/rc2.d, ..., /etc/rc6.d. Example files from my machine: directory example symlinks in the dir ------------------------...
3
votes
2answers
223 views

What environment and credential is used by startup, background and service processes

Startup scripts (on boot) Processes running in (or sent to) the background (when using SSH -fN for example) Services etc... What $path variable will they be using? What credentials? Anything else I ...
4
votes
1answer
96 views

When is the appropriate time to start Redshift using upstart?

I have been trying to get Redshift to start before login so that the bright welcome screen does not blind me, in particular when switching users. Running Redshift as a service does not seem fully ...
3
votes
3answers
2k views

Bash script needed to run every second

I have a few cleanup commands to run for my datacaching scheme. I was thinking a bash script would be an easy way to check if the full clean up job needed to be run. But the cache is very time ...
1
vote
2answers
5k views

An init-script does not get called on shutdown

I have set up an init-script to control the state of a VirtualBox VM: #!/bin/sh #chkconfig: 35 99 5 #description: vTiger virtual machine ### BEGIN INIT INFO # Provides: vtigervm # Required-Start: $...
36
votes
3answers
78k views

How do services in Debian work, and how can I manage them?

In Windows I have the services manager, where I see all system services, that can be started through Windows itself, I set up the user it uses, the rights management is in there, and I can pass ...
29
votes
3answers
30k 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 /etc/init.d/...
19
votes
4answers
88k views

Keeping a process running after putty or terminal has been closed [duplicate]

I'm running a node.js server off of a raspbian (Debian) machine, and I'd like to start and stop the server remotely. This for me means using putty to access the shell, except when I close out of the ...
9
votes
2answers
15k views

rpc.statd running on system not using NFS

I have a Debian machine that gets warnings (via the Tiger automatic auditor) that rcp.statd is listening on such-and-such socket. Googling shows rpc.statd is a daemon used by NFS. As far as I know, I'...
7
votes
2answers
16k views

Which services can be disabled on Fedora 14?

Following is the output of $chkconfig | grep 5:on on my laptop running Fedora 14. NetworkManager 0:off 1:off 2:on 3:on 4:on 5:on 6:off acpid 0:off 1:off 2:on 3:on ...
26
votes
2answers
94k views

List of available services

Is there any command that would show all the available services in my wheezy Debian based OS? I know that in order to see all the running services you can use service --status-all.
10
votes
3answers
6k 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, ...
4
votes
1answer
2k views

Start network service at boot time on CentOS

I've recently reinstalled CentOS onto a computer of mine. I have OpenSSH Server on it now, as did I before I reinstalled the operating system. Here's the difference: Before, SSH started without even ...
3
votes
1answer
3k views

chkconfig bootup script failing, script runs good manually

I recently purchased a vps and I attempted to create a startup/restart script to start up my java program. I am running CentOS 6. The script works if I execute it manually with this command: ...
7
votes
3answers
16k views

How to start a script file on boot?

I am running a stupid little minecraft server. I want Lubuntu to execute the following script when the server boots up. NOT on login, and NOT on restart (unless it's starting up of course). The ...
4
votes
2answers
1k 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 ...
4
votes
3answers
5k views

How to start SSH daemon on boot on Linux Mint Debian v2

I'm using Linux Mint Debian v2, 64-bit. I noticed recently that my ssh daemon does not start automatically on boot. It used to. I'm not sure if it had to do with my UFW configuration or sshd_config ...
0
votes
1answer
222 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 ...
5
votes
1answer
4k views

MySQL stop/waiting issues; “can't connect … through socket” [duplicate]

So this was my first time putting up a LAMP stack on a Bodhi machine (previously experience with WAMP, and LAMP on 10.04); I got Apache going, and a Drupal install begun, then I go to create a new ...
3
votes
2answers
45 views

Timeout with 'service network restart'

I have a script running on fedora 22 where I am restarting service network as part of a troubleshoot calling service network restart. I want to check if that command is taking too long to execute. If ...
3
votes
3answers
1k 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 information....
3
votes
2answers
3k views

Why doesn't stopping the nginx server kill the processes associated with it?

When I stop nginx like this on ubuntu 12.04, I get the following errors: $ sudo service nginx stop Stopping nginx: nginx. $sudo service nginx start Starting nginx: nginx: [emerg] bind() to 0.0.0.0:80 ...
2
votes
4answers
11k views

setting mysql root password in CentOS 7

How can I log into the mysql 5.6 command line client and reset the root password in Centos7? I read the following at this link, but it does not work: 1) sudo service mysqld stop 2) sudo service ...
1
vote
3answers
12k views

How do we know what applications are installed in Linux?

I'm trying to understand the following in Linux. In windows we have the services that run or "startup". When we install an application it could be installed as a service so that it starts ...
1
vote
2answers
28 views

Is there a retry count setting for svscan?

I'm supervising a script with svscan which may run into errors and stuck there. When the script dies svscan restarts it right away but dies immediately. So it keeps restarting it. I don't seem to find ...