Kernel Upgrade on CentOS

Kernel Upgrade on CentOS

1. Find your yum.conf file:
# find yum.conf

2. Verify your yum.conf file:
# nano /etc/yum.conf
“Exclude” line should be something like this:
exclude=courier* apache* mod_ssl* httpd* perl mysql* php* spamassassin* exim*
Note:kernel* should not be excluded on “exclude” line

3. Upgrade kernel using:
– If you have 1 proc:
# yum upgrade kernel
– For dual proc use:
# yum upgrade kernel-smp

When upgrade is complete,
Set “default” to 0 in /etc/grub.conf
Rebbot your server:

Rebbot your server:
# shutdown -r now

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