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Questions tagged [daemon]

Daemons are programs which run in the background in multitasking operating systems. On Unix-like operating systems the names of many daemons end in the letter "d".

29
votes
7answers
66k views

How to automatically restart a linux background process if it fails?

I have a process which is executed by init.d script on the background. Eg: case "$1" in start) /bin/myprocess & stop) killall myprocess restart) killall ...
25
votes
5answers
28k views

What's the difference between docker.io and docker?

Trying to learn docker here but I am a bit confused on what the difference is between docker.io and docker. Is docker.io the daemon server and docker the client? Why does the daemon need to run all ...
22
votes
5answers
64k views

How to monitor a service and restart if stopped in Linux

Actually I'm not so sure whether i should use Shell Scripts, or if there some ways already. But whatever approach we use, i would like to keep a Service running all the time. Let's say iptables as an ...
11
votes
1answer
13k views

Pulseaudio Daemon Startup Failed

When running startx on Arch Linux, the error: E: [pulseaudio] main.c: Daemon startup failed. is returned. Is there any way to fix this error?
8
votes
3answers
6k views

What do the [..] mean in 'ps' and how do you create a process like it?

When running ps, you get something like: root 2 0.0 0.0 0 0 ? S< 00:00 0:00 [kthreadd] root 3 0.0 0.0 0 0 ? S< 00:00 0:00 [ksoftirqd/...
8
votes
3answers
22k views

How do I prevent Linux services from auto-starting?

I have recently migrated from Windows to Linux (xubuntu) I am a developer and have installed everything I need, LAMP. In Windows I used to turn off all unnecessary services - I don't need the Apache ...
8
votes
1answer
12k views

Stop a runaway launchd process on OS X Leopard

I created a launchd .plist file to in order to have a python script run every hour. I ended up editing and later deleting the .plist file ( in /Library/LaunchDaemons )... but somehow launchd is still ...
7
votes
2answers
33k views

cant start systemd - Failed to get D-Bus connection

I am trying to setup a daemon width systemd on Debian. systemd was already a part of the distro.. Have just added a new unit file my-daemon.service under /etc/systemd/system/ but after reboot I get ...
7
votes
2answers
4k views

Teamviewer-like SSH daemon

I have a computer at home with SSH installed which I would like to be able to control remotely. However, I am not able to allow SSH port forwarding through my router, so the only way to get in would ...
7
votes
1answer
19k views

Linux permissions for services

How do permissions work for services in Linux? I already know that I can set read, write and execute permissions for files and directories with chmod each for owner, group and other users but how do ...
7
votes
1answer
4k views

Is it possible run Transmission daemon and Qt/GTK GUI at once in sync?

The title is the question. Originally this Ubuntu machine was meant to be headless, but I installed LXDE. Usually Transmission is run by the default GTK+ GUI. Instead of making sure the daemon runs ...
6
votes
1answer
10k views

Start a systemd user service at boot

I am trying to start a systemd service for a specific user (service name/goal is not relevant). I do that because I need to have a per user process of an application running at startup. Here is what ...
5
votes
1answer
6k views

Increasing Yosemite maxfile limit for Application

I've been trying to up the maxfile limit and maxfileperproc limit on Yosemite, with no luck. I have created a sysctl.conf file in the etc folder, which has successfully increased the values when ...
5
votes
3answers
14k views

unix:///var/run/supervisor.sock no such file

I'm running Supervisord on my Ubuntu 14.04 server and everything works fine. I deploy using a git push and upon deployment I also need to restart my application server (gunicorn) which I can ...
4
votes
3answers
5k views

need a bittorrent daemon

I'm building a Ubuntu server for the house. I want to centralize torrents. what I'm looking for is something that runs as a service (daemon) that has 3 folders to configure. Actively downloading ...
4
votes
4answers
16k views

Remote deluge daemon connection

I'm trying to follow this guide to run a deluge daemon on a headless server. The client part seems to be working, but the server part doesn't seem to work at all. Deluge-console is supposed to allow ...
4
votes
1answer
3k views

Supervisorctl stop all = stalled processes?

I'm running several PHP CLI scripts and monitoring them via Supervisor. When I use supervisorctl to monitor them, the scripts show like this: cleanup RUNNING pid 1805, uptime 0:00:41 ...
4
votes
1answer
6k views

start ddclient as daemon with systemd

I'm trying to start ddclient as daemon in my Ubuntu 15.04, which now uses systemd, but was unable to even following the Ubuntu wiki at https://help.ubuntu.com/community/DynamicDNS to words. I've ...
4
votes
4answers
10k views

ubuntu server, trying to get a service/daemon to start

I followed the instructions here, but when I enter "sudo service mydaemon start". I get "mydaemon: unrecognized service". I have verified that the files are in the proper places, and I took the ...
4
votes
2answers
243 views

Copy Linux liveUSB causes errors with init.d scripts - Impossible..?

Please post your thoughts ideas or anything you may come up with. I would be very interested to see what anybody else is thinking. The Overall Problem When I install a simple Java application (that ...
3
votes
3answers
2k views

Disabling syslogd in FreeBSD

I'm running FreeBSD in a very small VM with about 1.5G of space. I'd like to disable syslogd to save disk space, but there is no entry for it in /etc/rc.conf. service -e shows that syslogd is indeed ...
3
votes
1answer
757 views

What benefits does daemonizing give me?

If I start something like uWSGI via SSH with my normal login user (assuming I should), and "daemonize" it, does that mean I can log out of SSH and uWSGI will remain running?
3
votes
1answer
8k views

User Permissions: Daemon and User

I often run into this issue on Linux, and I'd love to know the proper way of solving it. Say I have a daemon running. In my example, I'll use LigHTTPD, a webserver. Some software, like Wordpress, ...
3
votes
3answers
9k views

OS X - How to get simple launchd daemon working on Yosemite and El Capitan

I am no stranger to launchd on OS X. I've created several daemons in the past, last with Mountain Lion Mavericks. However, I seem to be struggling to get the most simplest of plists working on ...
3
votes
1answer
3k views

Where to log stdout and stderr of a daemon

I am writing my first linux daemon and I am wondering where to log its stdout and stderr. It is going to work for all users. I guess I could do it wherever I wanted, I just wonder if there are some ...
3
votes
0answers
69 views

Manage processes on an distributed windows computer system

I want to manage the startup / re-start and shutdown of a multi module software system running on a set of windows machines. For example: [some machines booted, some still doing so] run the whole ...
2
votes
5answers
15k views

Easy way of daemonizing in CentOS 5.4

I know there is a program called upstart that can make it easy to make small daemons. I can't get this program to configure on CentOS. I get all sort of errors concerning pkg-congfig, libnih, and dbus....
2
votes
1answer
3k views

Running – or only starting – a daemon using launchd

I'm trying to set up YouTrack on OS X Lion Server and have it launch at boot using launchd. I have downloaded the YouTrack jar file which I can successfully run from the command line using java -...
2
votes
1answer
592 views

Using launchd for persistent scripts

I have launchd configured to run a script. This works fine for the user who installed it (me), but it relaunches the script every time I log in, while I'd like it to run as long as the computer is on (...
2
votes
1answer
535 views

How to daemonize a bash script only if --daemon flag is given?

I have my script.sh and want to run it with ./script.sh or ./script.sh --daemon, having it remain in the foreground unless the --daemon flag is given, in which case it should detach and go into the ...
2
votes
1answer
1k views

inetd analog for Windows

Need a better analog of inetd daemon for Windows. Currently using http://sourceforge.net/projects/winetd/, but it's outdated with bugs present. Please recommend any better solutions for running your ...
2
votes
1answer
9k views

Installing daemon on a fresh ubuntu system

I have done a linux service using the article on this link http://shahmirj.com/blog/the-initd-script After that I copied the files into the init.d directory cp -f "myserviced" "/usr/sbin/myserviced" ...
2
votes
1answer
467 views

systemctl (Fedora 17) and interacting spawned processes's consoles

Introduction I've recently upgraded to Fedora 17 and I'm getting used to the newer systemctl daemon manager versus shell init scripts. A feature I need on some of my daemons is the ability to ...
2
votes
1answer
142 views

Run serveral daemon using python

I noticed that serveral daemon invoked python seperately. For example, I have both wicd and ibus daemon running on my machine. Instead of launching a single instance of python, the daemons run with ...
2
votes
2answers
51 views

artsd on a server

On a debian server, I see artsd is running, I don't understand why. It's not my fault. Is there some explication / usage to run a sound daemon on a server ? ~/ ps xf PID TTY STAT TIME ...
2
votes
1answer
3k views

daemons and daemon users (specifically transmission-daemon) on OS X 10.5.8

I'm trying to set up transmission-daemon on a box running Mac OS 10.5.8. I want to do things the right way, which means (to my understanding) create a service user (_transmission, for example) for ...
2
votes
0answers
34 views

/var, /var/log on separate partition fails to umount on shutdown, how to debug

As the title says, I have /var and /var/log on separate partitions. On shutdown, I get the error, that umount /var/log, and later umount /var failed. My question is: How to debug this issue? If ...
2
votes
1answer
199 views

Launch of daemon for subversion server fails, but works in shell

I am trying to setup a subversion server on OS X (Sierra) using the subversion provided with Xcode Server. I followed these instructions for setting up a daemon to automatically start svnserve. My ...
2
votes
0answers
334 views

Is it possible to run a launch agent as a user with sudo permissions?

I have an executable that needs to run every time a user logs in. It needs to run in the context of that user, but with root permissions, as if the user had run it with sudo. I have looked through ...
2
votes
0answers
114 views

DSE Servers not found and unable to initialize hash chunk service

I'm following this opendedup guide from github (https://github.com/opendedup/sdfs). However, I'm stucked at the DSE server part whereby need to mount a volume. Anybody can guide me through solving the ...
2
votes
1answer
1k views

Docker - Error starting daemon

I have tried to install Docker to my RPI on Arch Linux and got the following error message, when try to start a new container. FATA[0000] Error starting daemon: Error initializing network ...
2
votes
1answer
1k views

using screen with start-stop-daemon, sysv

I'm trying to run a program with an ncurse interface as a daemon using screen. I want to use start-stop-daemon to manage the process, but I'm having trouble creating a SysV init script. Variables: ...
2
votes
0answers
196 views

How to create a virtual keyboard in userspace?

I'm trying to generate keypress/release events similar to those produced by typing on a physical keyboard, but from a process that isn't attached to any actual hardware.
1
vote
1answer
835 views

Simple daemon in C for constantly removing files from a user directory [closed]

I am trying to make a simple daemon for continuously deleting files from purple/icons ( the pidgin dir ). However, remove() and unlink() are not deleting files. Here is my code, please, tell me where ...
1
vote
2answers
1k views

How can I find out what IRC Daemon a certain server is running?

To get an overview on IRC, I wanted to find out what kind of IRC server software/daemon (like unrealircd) runs on a certain server. Is there a possibility to get this information?
1
vote
2answers
79 views

How's responsible for displaying `Starting … [ ok ]`

When I start a service such as: root@foo [~]# service foobar stop Stopping Foobar: [ OK ] I can see a status indicator: [ OK ] which is different from the ...
1
vote
1answer
830 views

How to kill a daemon in Linux?

Note: Before you mark this question as duplicate, please note that I've tried all the solutions that I could get online, but still I'm unable to resolve the problem. I ran daemon through the ...
1
vote
2answers
746 views

Cross-platform daemon/service stop and start

Is there a tool which can control daemons/services in a cross-platform manner? In programming there are different build tools that allow you to build software from source on different platforms; the ...
1
vote
1answer
7k views

Find out which port the daemon is using [duplicate]

Possible Duplicate: Finding the process that is using a certain port in Linux Suppose I run some daemon but I didn't remember which port it usually use. How can I obtain this information?
1
vote
2answers
5k views

script calling script as other user

Using CentOs, I want to run a script as user 'training' as a system service. I use daemontools to monitor the process, which needs a launcher script that is run as root: : #!/bin/bash exec >> /...