How To Update CentOS Linux 5.4 to CentOS 5.5
CentOS ( Community ENTerprise Operating System ) is a community-supported, mainly free software operating system based on Red Hat Enterprise Linux. It exists to provide a free enterprise class computing platform and strives to maintain 100% binary compatibility with its upstream distribution.
CentOS 5.5 has been released and available via mirrors for immediate update. For more information about this release you can read the release note.
If you have CentOS 5.4 already installed, before to do anything first back up anything you care about.
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FreeBSD: How To Upgrade FreeBSD 7 to 8 Stable Release
FreeBSD 7.x allows upgrade of existing installation to FreeBSD 8.0-STABLE. Since this is a major version upgrade, it is recommended that you backup your data, database and configuration files.
This guide will walk a user through updating his source to follow FreeBSD's stable branch. Please make a full backup of the current system before following this guide.
STEP 1: Syncing the source tree
- cvsup installation and configuration
# cd /usr/ports/net/cvsup-without-gui
# make install clean
OR
# pkg_add -r cvsup-without-gui
Copy the sample supfile for Stable to /usr/local/etc/stable-supfile:
# cp /usr/share/examples/cvsup/stable-supfile /usr/local/etc/
Edit file and set host name which specifies the server host which will supply the file updates to your system.
*default host=cvsup1.us.FreeBSD.org
Set release tag to stable 8:
*default release=cvs tag=RELENG_8
Run cvsup to download the latest stable source:
# cvsup -L 2 /usr/local/etc/stable-supfile
When the cvsup has completed, change to the /usr/src directory
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