I want test my Linux, OpenBSD, FreeBSD and Unix-like server entirely for high load and monitoring the health under stress. How can I stress out my CPU, memory, I/O, and disk stress and more with stress test tool on a Linux or Unix-like systems?
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I‘m getting the following error when I run mysql -u root -p

Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’ (2)

How do I solve this problem under CentOS / RHEL / Red Hat Enterprise Linux server 5.x or 6.x?
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How do I disable firewall on CentOS or Red Hat Enterprise Linux server version 5.x/6.x running on my HP micro server?
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Red Hat Enterprise Linux v6.3 has been released and available via RHN for immediate update. How do I upgrade my RHEL from 6.2 to the latest 6.3 version?
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We are using NFS v4 server under RHEL 6.x+. How do I configure CacheFS for NFS under Red Hat Enterprise Linux or CentOS to speed up file access and reduce load on our NFS server?
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How do I disable or enable SELinux policy modules under Red Hat Enterprise Linux running on Dell hardware?
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