Linux - Newbie This Linux forum is for members that are new to Linux.
Just starting out and have a question?
If it is not in the man pages or the how-to's this is the place! |
Notices |
Welcome to LinuxQuestions.org, a friendly and active Linux Community.
You are currently viewing LQ as a guest. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Registration is quick, simple and absolutely free. Join our community today!
Note that registered members see fewer ads, and ContentLink is completely disabled once you log in.
Are you new to LinuxQuestions.org? Visit the following links:
Site Howto |
Site FAQ |
Sitemap |
Register Now
If you have any problems with the registration process or your account login, please contact us. If you need to reset your password, click here.
Having a problem logging in? Please visit this page to clear all LQ-related cookies.
Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use.
Exclusive for LQ members, get up to 45% off per month. Click here for more info.
|
 |
12-15-2007, 07:57 AM
|
#1
|
Member
Registered: Sep 2006
Posts: 57
Rep:
|
newbie: Reason for daemon
Why would you want to have a program as a daemon, so you can start and stop it, without having to try to find the pid and killing the program?
I have a program that need to be started by cron and I am not sure if I have to make it a daemon.
|
|
|
12-15-2007, 09:19 AM
|
#2
|
Member
Registered: Nov 2007
Location: Carson City, NV USA
Distribution: Various, but always Debian based
Posts: 70
Rep:
|
Sometimes it is desirable to have program run continuously in the background. This is daemon mode. Most daemons sit quietly, waiting for some kind of event, such as a network request.
|
|
|
12-15-2007, 09:44 AM
|
#3
|
Senior Member
Registered: May 2006
Distribution: BeOS, BSD, Caldera, CTOS, Debian, LFS, Mac, Mandrake, Red Hat, Slackware, Solaris, SuSE
Posts: 1,763
Rep:
|
Any process running in the background or foreground has a PID whether that process is short or long lived.
A "daemon" is just a name associated with service programs that run in the background that typically perform a function (DNS, DHCP, HTTP, etc.)
CRON can start service programs as well as the typical timed event short lived script task.
So, if your program will perform a service and will need to stay long lived, then consider it a daemon. If on the other hand it will perform a short lived process, then it's a task.
Daemon (computer software)
http://en.wikipedia.org/wiki/Daemon_(computer_software)
Last edited by bsdunix; 12-15-2007 at 06:31 PM.
|
|
|
All times are GMT -5. The time now is 12:50 PM.
|
LinuxQuestions.org is looking for people interested in writing
Editorials, Articles, Reviews, and more. If you'd like to contribute
content, let us know.
|
Latest Threads
LQ News
|
|