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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Does anyone know what “discoverd” daemon is?

Saw this process running in Activity Monitor. Not sure what it does...anyone seen this before? Tried searching for list of "normal" mac os daemons but most lists are incomplete. Have not found any ...
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106 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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1k 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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How can I enable arbitrary users to edit files in '/opt' sub-tree?

I am user 'somebody'. I have a typical "Web blob" website ecosystem ( essentially an FS sub-tree starting at Apache's typical "htdocs" directory ). Its files are owned by 'root', and grouped to '...
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35 views

bash: show names of background jobs in the bash prompt

It would be cool if the bash prompt can be used a a mini task bar. Can the bash prompt (PS1) show the names of the jobs listed in the jobs command?
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391 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 ...
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922 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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525 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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85 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 --chdir=/var/lib/jenkins/jobs/HsIRCb/...
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184 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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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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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 ...
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141 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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35 views

Unable to load daemon and service exit with a return value of 3

Could someone help me with this problem? It seems like I can't execute the startDSEService.sh file. The permission allowing execution of the file is ticked and I tried chmod +x path/of/startDSEService....
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169 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 ...
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220 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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819 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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OpenVPN Access Server will not Start on System Boot

I have installed OpenVPN Access Server on my computer running Fedora 23 using the instructions from this YouTube video. I have been able to install the server on the machine with no problem, and it ...
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22 views

How to find on which port the TFTP server is running?

How to find remotely on which port the TFTP server is running on FreeBSD? The standard UDP port 69 is not listed amongst open ports when scan FreeBSD server with IP scanner.
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daemon script on windows

I need to have a script that watches a certain ftp folder, and whenever it sees any files in it, perform some operations on it. I was thinking of using a simple script, like power shell and make sure ...
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20 views

public key authentication not working with “ssh/sftp Daemon” on android

I can sftp to my android device using password. However i can not set up this using public key auth. $ ssh -vvv root@192.168.1.10 SSHD Server debug1: Authentications that can continue: publickey,...
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Perform Background Tasks in Low Power Mode - Possible?

Is there a way to schedule low power background activities to be performed while a computer is idle, sleeping, or even powered off? Until recently I would have thought the answer was unconditionally "...
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139 views

How to stop mongodb version 2.4 and start version 3?

I've got an Ubuntu 14.04 server on which I have mongodb installed using the regular sudo apt-get install mongodb, which installed version 2.4 That ran fine, but I wanted to use some new functionality ...
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60 views

emacs --daemon doesn't successfully start the server

I am attempting to set up a systemd daemon for emacs in NixOS. When I added a systemd unit, I noticed that it was continually restarting over and over again. I discovered that this was because when I ...
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36 views

Location of xscreensaver daemon?

I'm hoping someone can help me find the location of the xscreensaver daemon so I can put that into my start-up apps instead of the stupid work-around I did with xscreensaver-demo. I have read and ...
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195 views

Stop the Launch Daemon ftp.plist from being loaded on startup / login

For some reason, and I'm not sure this applies to every Mac / Yosemite user, ftp.plist gets loaded when I log in. If I run this in terminal when I first log in: $ sudo launchctl load /System/Library/...
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Do Unix-based Systems retain Daemons or Hardware Information post-Reboot?

Background: I dual-boot Mac OSX Yosemite and Ubuntu 15.04 on a Macbook Pro Retina with rEFInd boot loader. I have a customized daemon for controlling the fans on Ubuntu, the reason being that I have ...
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75 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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20 views

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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54 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 ...