yum update missing dependencies on RHEL5

I was getting the following dependency errors on a Red Hat Enterprise Linux 5 box. This was a stock box that has a RHEL subscription and had not used any yum repositories other than Red Hat's own official repositories.


Installing APC on RHEL5

Here's how to install APC on RHEL5.

# yum install php-pear php-devel httpd-devel
# pecl install apc
# echo "extension=apc.so" > /etc/php.d/apc.ini
# service httpd restart

Check for the apc section in your phpinfo() page. If it's not there:

TCP Tuning for Busy Apache Webserver on CentOS5

Recently I was in a situation where a very busy webserver was not responding. Strangely, top showed plenty of CPU available. The server was essentially just sitting there. What do do?



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