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…
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394 notes on Linux, tools and troubleshooting
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.
Improve disk performance for Red Hat Enterprise Linux running in a VMware and xen environment.
In virtualization environments such as VMware or Xen, the host handles disk access. Setting the guest I/O scheduler to noop lets the host optimize I/O requests.
How to rescan the SCSI bus to add or remove a SCSI device without reboot
Linux supports online SCSI rescans, allowing drives to be rescanned without restarting the system.
GNU/Linux distro timeline
There are many Linux distributions today, but how many people know which distributions gave rise to the others? Let's look at the origins of the Linux distribution we use…
Install Device Mapper Multipathing on SAN/NAS
This is an older article brought up to date because some readers may not know what device-mapper multipathing is for. It provides multipathing for storage devices such as SAN or NAS…