Q. I’ve followed your Xcache php 5.x opcode cacher installation under RHEL 5 for my vbulltin board. I see good boosting in performance. Now I’ve installed 2nd VB forum on the same server and I see all sub-forums hosted from 1st forum. So I had to disable Xcache. I want Xcache for both board on same host. How do I fix this mess?
Q. Recently we made changes to our server hardware and swapped all IP address from old to a new server. However, 2 IP addresses are not get updated due to arp cache issues (IPs are cached on the router). They are going to other servers. How do I solve this problem under Redhat Enterprise Linux [...]
Q. I’m using CentOS Linux. I only have one processor (AMD 170 CPU) in my system, why does top command output report two processors? A. You have a DUAL core CPU. A dual-core CPU combines two independent processors and their respective caches and cache controllers onto a single silicon chip, or integrated circuit. Some Intel [...]