Archive for the Uncategorized Category

Find Out BIOS version from Linux Shell

One can find out BIOS version under for  Linux Box using the dmidecode command which is a great tool to analyse BIOS data.

Dmidecode command helps you to find out  the BIOS version without rebooting the server.

Example ::
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HTML Tidy Installation For WordPress W3 Total Cache Plugin


HTML Tidy   is a utility to clean up and pretty print HTML. It fixes HTML-tagging mistakes automatically and improves the layout and indent style of the resulting markup.

Common HTML Tidy  fixes ::

  • Straighten mixed-up tags
  • Fix missing or mismatched end tags
  • Add missing items (some tags, quotes, …)
  • Report proprietary HTML extensions
  • Change layout of markup to predefined style
  • Transform characters from some encodings into HTML entities

Installling HTML Tidy on Linux Centos

You can install HTML Tidy on  your linux Centos box using yum command
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Tainted Kernel

What is Kernel Taint ?

The Linux kernel maintains a “taint state” and logs for the same are stored in Kernel error messages.
Kernel taint state indicates that something has happened to the running kernel that results in Kernel error or hang and this can be troubleshooted by analysing the kernel source code.
Some of the information in the taint relates to whether the information provided by the kernel in an error message can be considered trustworthy.

Steps to  check kernel taint status

[email protected][#] cat /proc/sys/kernel/tainted

If  it returns  any non-zero  value then it means your kernel is tainted . The value will be a combined number of all applying kernel taint flags added together. You can find a list of currently used kernel flags under:
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