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Upgrading CentOS to 5.6

Posted 08-22-2011 at 08:50 PM by blue_print
If you have CentOS 5.5 of lower of this version installed, please take the backup anything you care about it.Then, you can update it to 5.6 using the steps given here.
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Old

Convert ext2 to ext3 file system

Posted 07-13-2011 at 11:31 PM by blue_print
The conversion procedure is very simple enough. Let us assume /dev/sda6 (ext2 now) mounted on /convert. You will be seeing fstb entries like,
Code:
/dev/sda6         /convert             ext2    defaults        0 0
Unmount the partition
Code:
umount /dev/sda6
Enable Journal (converting to ext3) using tune2fs command,
Code:
tune2fs -j /dev/sda6
Edit /etc/fstab and for /dev/sda6 change the file system type to ext3. Finally, the entry should be like this,
Code:
/dev/sda6
...
Continue reading...
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Old

RPM commands

Posted 06-03-2011 at 03:41 AM by blue_print
Updated 06-03-2011 at 04:23 AM by blue_print
RPM package is a powerful utility to manage the software in all major Linux distributions. RPMs can be used to,
  • Install packages
  • Remove packages
  • Upgrade packages
  • Verify packages

Here are some useful command to manage RPM packages,



1. Getting detailed information about the package httpd

Code:
rpm -qi httpd
2. Determining which package installed the file /etc/httpd/conf.d/httpd-portal.conf,

Code:
rpm
...
Continue reading...
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