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Homework and Emergencies Emergency UNIX and Linux Support Different OS Kernel Update Frequency Post 302566501 by galanom on Thursday 20th of October 2011 12:52:37 PM
Old 10-20-2011
Quote:
Originally Posted by majid.merkava
Hi guys

I'm trying to configure a collaboration suit (PHP, PostgreSQL, Apache) plus a mail server(Sendmail and Dovecot) on a single box. It will be used heavily 24*7. So having a long up time is really needed. I'm looking for 3 to 6 month up time. I want to know about kernel update frequency(because they are causing server reboot) for different operating systems such as Linux(CentOS, Debian, Ubuntu Server Edition), FreeBSD NetBSD, OpenBSD.

Could anyone help? I'm not trying to make a Linux vs BSD question as it is against forum rules.
First of all, I quite agree with the cluster idea.
If it is really of the question, put whatever distro you want and simple DON'T update kernel. You are not forced to apply each update of the distro. Actually in a production machine, you don't update at all, at least not automatically. If for example the "automatic" update request new version of apache, your machine will have a small down time. If problems with the new configuration files arise, then it will be big down time.

Don't update anything.
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WMANAGERRC-UPDATE(1)					    BSD General Commands Manual 				      WMANAGERRC-UPDATE(1)

NAME
wmanagerrc-update -- update your wmanager settings automatically SYNOPSIS
wmanagerrc-update DESCRIPTION
The wmanagerrc-update program creates or updates the ~/.wmanagerrc file with a list of X11 window managers currently installed on the system. On systems that do not have a convention for registering X window managers, wmanagerrc-update simply copies the contents of the ~/.wmanagerrc.user file to ~/.wmanagerrc. On systems that register the installed X window managers, the wmanagerrc-update program adds all of them to the wmanager(1) configuration so that they are available soon after installation. Currently, only Debian GNU/Linux and similar systems that use the update-alternaties(8) mechanism are supported. Locally installed window managers and things not registered as alternatives for x-window-manager(1) can be added to the file ~/.wmanagerrc.user in the .wmanagerrc format; see the wmanager(1) README file, usually /usr/share/doc/wmanager/README.gz, for more information. The wmanagerrc-update program uses the entries first from ~/.wmanagerrc.user, then from the the registered window managers, in the order of update-alternatives(8) priorities. You can override this by listing entries in wanted order in ~/.wmanagerrc.order, separated by whitespace. BUGS
Concurrent wmanagerrc-update processes may clobber the .wmanagerrc file. SEE ALSO
wmanager(1), wmanager-loop(1), update-alternatives(8) HISTORY
The wmanagerrc-update program was written by Tommi Virtanen in 2000 and later modified by Peter Pentchev. This manual page was originally written in perldoc format by Tommi Virtanen in 2000, and converted to mdoc format and updated by Peter Pentchev in 2008. AUTHORS
Tommi Virtanen <tv@debian.org> Peter Pentchev <roam@ringlet.net> BSD
May 22, 2008 BSD
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