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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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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216 views

linux: monitor logfile for a string and execute script

I want to monitor a logfile (syslog) on my linux debian box. So if there is a new entry with a secific string, i want to execute a script. The strings are "alarm start" and "alarm end" So it should ...
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139 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 ...
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199 views

how can I run a java application as daemon?

I use to run an application in CentOS with the command nohup java -jar AnalyticsBackend.jar & Now I want to run this application as daemon i.e. on reboot, this application shoud start running ...
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208 views

OpenVPN server issues

I am unable to connect to my OpenVPN server running on latest ArchLinux version, the port seems open if I scan from the outside, so im pretty sure its correctly forwarded, however the client displays ...
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1answer
75 views

Debian: daemon program quits immediately when run as jenkins user

I'm trying to run an IRC bot as a daemon using daemon (also tried with the daemonize utility), I use the following command to run it, daemon --name=HsIRCb ...
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190 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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175 views

OpenOffice Daemon Problem

I'm using OpenOffice as a daemon. Sometimes, when the daemon is running a long time, CPU use spikes very high and then OpenOffice crashes. At this point, OpenOffice doesn't work and document ...
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59 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 ...
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129 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.
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100 views

How to kill buffers when quitting a client frame in emacs daemon

I'm using emacs as a daemon on OSX ML. When I close an instance emacsclient -t, I'd like emacs to kill all the buffers I've opened within the instance of emacsclient. Doing C-x C-c or C-x 5 0 does ...
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572 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: ...
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Check if a daemon triggers watchdog

I read about sd_notify (http://www.freedesktop.org/software/systemd/man/sd_notify.html) and was wondering if it's possible to somehow find out if a daemon sends some notifications. In particular, I ...
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How is a basic daemon made on OSX?

I have an OSX system that I'd love to have some daemons set up on that will automate the updating of all of my console utilities. How would I go about creating and running such daemons? I'd also like ...
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35 views

Customize mailer-daemon error messages in LAMP

I need to customize bounce and error messages sent from MAILER-DAEMON in a LAMP environment. Instead of the standard message From: Mailer-Daemon@xxxxxx.co.uk To: johndoe@hotmail.com ...
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34 views

Creating and running a launchd daemon

I'm trying to follow along w/ the tutorial located here: http://www.tuaw.com/2014/06/11/how-to-keep-homebrew-and-xquartz-updated-automatically/ I've properly set up all of the script files, but am ...
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How can I queue a script to run the next time a system is up and connected to the internet?

I'm using mailsend (on a Mac) to send mail from the command line. I'd like to set this up such that I can execute a send command, but if my system is disconnected from the internet, that command is ...
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50 views

systemd: Start some services only when at home (based on WLAN SSID)

I would like to have some network daemons like sshd or NFS only running on my laptop when I’m in my home network for security reasons. Is there a way to automate this with systemd and e.g. ...
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qBittorrent hangs when daemonized with Supervisor

I want to use qbittorrent-nox (a version without desktop GUI) on my Debian server. Everything works fine if I run it directly from an interactive shell. When trying to daemonize it with supervisor ...
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171 views

How to prevent start-stop-daemon start multiple instances

I am trying to start a process using start-stop-daemon and it works! $ sudo start-stop-daemon --background --start --pidfile /var/run/program.sh.pid --exec /usr/sbin/program.sh --make-pidfile $ ps ...
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47 views

Decrease browser load time by increasing priority of unbound DNS in systemd

I believe to decrease the launch time of browsers after boot/starting the X servers increasing the priority unbound processes would help. I believe editing the unbound.service file would do this but ...
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79 views

Start up script to choose between Ethernet and USB Cell Modem

I am playing with a BeagleBone Black running Debian Wheezy and I have written a startup script that waits (sleeps) for the ethernet to connect. If it doesn't connect via ethernet and get an IP ...
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164 views

Linux: run bandwidth throttler 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 ...
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52 views

PPPD Round Trip Time too long?

T-Mobile changed the RTT of my CDS service card to 1100ms. I can't connect using PPPD any longer. What configuration parameters do I have to change to get a connection again? MrB edit: my current ...