Setup MRTG to monitor CPU workload , Memory and Disk use status with IOSTAT.
This MRTG setup adapts monitoring tools to display hardware status. Scripts are needed for each hardware metric; this article uses IOSTAT tools.
THE KNOWLEDGE BASE
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389 notes on Linux, tools and troubleshooting
Change the behavior of the copy (cp) command overwrite the existing file without prompt
Edit $HOME/.bashrc, because Red Hat adds alias cp='cp -i'. Thus the -r option has no effect. Comment out alias cp='cp -i' with #, then log out and log back in…
Change my hostname or the machine name in Red Hat Linux.
There are several ways to change a Red Hat or Red Hat clone hostname, including hostname without restarting the network service.
Telnet as the root user
Telnet is usually disabled on Linux for security reasons. This article describes enabling direct root login through telnet.
When you forgot root password.
What can you do when you cannot log in because your password is rejected? After reading this article, you will be able to resolve the situation easily. I will cover two bootloaders…
Mplayer Multimedia player for Linux
Recently, many people have asked about playing VCDs, DVDs, and multimedia files. I would like to introduce Mplayer, a good Linux program for watching movies and listening to music. Its supported formats…
Using the man command
The previous article covered whatis and --help. This article explains how to read command manuals with man and search related entries with man -k or apropos.
Make dd give a progress report.
Many of you have probably used dd, but it does not show how far it has progressed. This article explains how to view dd's progress.
Installing MySQL Cluster
This setup uses four machines: two storage nodes, mysql-ndb-1 and mysql-ndb-2; one API node, mysql-api-1; and one management node, mgmt.