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".

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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 ...
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3answers
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Linux : To monitor a Service and restart if stopped?

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 ...
8
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2answers
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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 ...
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2answers
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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 ...
7
votes
1answer
9k 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
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2answers
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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 ...
6
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3answers
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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 ...
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1answer
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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 ...
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3answers
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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
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1answer
1k 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
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1answer
5k 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?
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1answer
2k 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 ...
3
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4answers
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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 ...
3
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1answer
517 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
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2answers
221 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 ...
3
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1answer
2k 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 ...
3
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0answers
62 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
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5answers
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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 ...
2
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3answers
804 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 ...
2
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4answers
8k 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 ...
2
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1answer
675 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
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1answer
5k 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, ...
2
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1answer
484 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 ...
2
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1answer
4k 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
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1answer
443 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
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1answer
118 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
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2answers
46 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
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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
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0answers
140 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
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1answer
469 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
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1answer
2k 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 ...
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1answer
3k 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?
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2answers
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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 >> ...
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1answer
146 views

Will re-installing MySQL remove or delete existing databases?

If I reinstall MySQL, without removing the actual MySQL installation, would it rewrite all files without deleting my databases? My problem is my mysqld is broken, due to the fact that I accidentally ...
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1answer
275 views

Launchd alternatives

I am writing an application that uses a library that will not work when the application is run as a launchd daemon. There is a bug in the library where it will throw a bus error when used from a ...
1
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2answers
94 views

When should I choose to run an application as a daemon?

From the MongoDB manual: To start the server as a daemon listening on port 5586 and sending all output to mongodb.log, we can do: mongod --port 5586 --fork --logpath mongodb.log What is the ...
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1answer
871 views

Send command to daemon

I have a minecraft server running as a daemon. When you run it normally (not as a daemon), you can type commands into the console. How can you get to the console so I can send it commands while it's ...
1
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1answer
1k views

What is the name of the screensaver daemon on Mac OS X?

My Mac's screensaver seems to be frozen, and I think quitting the process through SSH will resolve the problem. Does anyone know what the name of the process is?
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1answer
686 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 ...
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1answer
40 views

What is the name of the daemon process of mysql in OS X?

I have just installed mysql in OS X and this code works fine: String url = "jdbc:mysql://localhost:3306/"; String dbName = "information_schema"; String driver = "com.mysql.jdbc.Driver"; String ...
1
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1answer
463 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 ...
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1answer
433 views

How can I run the Trickle bandwidth throttler as daemon (trickled) on start-up?

I want to run the bandwidth throttler trickled automatically on boot up. (Raspbian OS on the Raspberry Pi). What methods are there, and which one(s) are standard practice? The options I've found are ...
1
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1answer
37 views

is it possible to change the way of authenticating linux with the help of a daemon (FC4 particularly)?

I got a pc and a special application installed on it, the OS is FC4 and we don't have root password I tried several random passwords and after 3 times I realized that something fishy is happening ...
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1answer
342 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 ...
1
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1answer
317 views

How do I monitor a daemon on Ubuntu?

I have an upstart script which runs a node.js deamon continuously. What I'm trying to do is to restart this daemon when/if it fails. I have little or no idea how to go about this. Any insight ...
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1answer
714 views

How to make core dumping in Linux for every process?

How make Linux core dumping for every process not only for deaemons?
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1answer
271 views

.sh script is not executed as the user I want therefore scp does not work

I was using the GUI version of Transmission for Ubuntu. When my torrents were downloaded I ran the following script as user server with the corresponding ssh keys: #!/bin/bash cd ...
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2answers
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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 ...
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1answer
101 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 ...
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0answers
164 views

Can I use /etc/init/ on Debian Wheezy to manage a daemon process?

I want to run a PHP daemon process and found a solution at Stackoverflow but unfortunately its not working. Now I thought Upstart is not installed since Debian still uses System V. I have two ...