389 notes on Linux, tools and troubleshooting
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.
Linux supports online SCSI rescans, allowing drives to be rescanned without restarting the system.
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…
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…
To add a new SWAP partition, you need an unused partition with its type set to Linux-SWAP. For example, suppose /dev/hdb3 is unused. Steps to create SWAP…
Transparent proxy configuration changed in Squid version 2.6 onward. It uses http_port 3128 transparent instead of the older configuration with many lines, as shown below…
SUN's 3D desktop requires relatively powerful hardware for both computation and graphics. It is designed for Windows, Linux, and UNIX operating systems…
MS Window 2000 Advance Edition supports only 2 nodes. MS Window 2003 Standard Edition supports 4 nodes, if I remember correctly. MS Window 2003 Enterprise Edition supports 8 nodes, if I remember correctly. Microsoft divides clusters into two types…
Linux Cluster style: 1. High Availability or Fail-Over Cluster. 2. Load balancing Cluster. 1. Linux Cluster: High Availability (HA) or Fail-Over Cluster handles failover when a server goes down.
