Problem step recorder (PSR) is a tool provided by Microsoft to record problem steps or any other activities that you do at your computer.

How do I use Problem Steps Recorder?

You can use Problem Steps Recorder to automatically capture the steps you perform on a computer.

It also include a text description of where you clicked and a picture of the screen during each click (called a screen shot).

Once you capture these steps, you can save them to a file that can be used by a support professional or someone else helping you with a computer problem.

The steps will be recorded in a zip file which contains HTML page containing all the steps with images and descriptio ... Read more »

dmesg - To display or control the kernel ring buffer

Command syntax
       dmesg [ -c ] [ -n level ] [ -s bufsize ]

DESCRIPTION
       dmesg is used to examine or control the kernel ring buffer. It display the status of device drivers loaded into kernel when the system boots up.

After boot up also, if a new hardware peripheral is connected dmesg displays the message about that peripheral.

The message could be error message like device not connected or a success message.
 

It is helpful in analysing and debugging any hardware related issu ... Read more »

FORMAT:

       ethtool ethX

       ethtool -h|--help

       ethtool -a|--show-pause ethX

       ethtool -i|--driver ethX
       ethtool -S|--statistics ethX

  ethtool -s ethX [speed 10|100|1000|2500] [duplex half|full] [port tp|aui|bnc|mii] [autoneg on|off] [advertise N] [phyad N] [xcvr internal|external] [wol p|u|m|b|a|g|s|d...]  [sopass xx:yy:zz:aa:bb:cc] [msglvl N] ethtool -f|--flash ethX FILE [N]

DESCRIPTION
       ethtool is used for querying ... Read more »

Webmaster tools

It is a tool provided by Google and several other search engines to help submit your website to Google, Bing or yahoo etc.

Google Webmaster Tools is a service provided by Google for webmasters free of cost. It allows webmasters to submit and check indexing status and optimize the visibility of websites.

The list of inbound links o

Find command: A powerful utility to search for a file or directory on a target directory.

Description:
find searches the directory tree rooted at each given file name by evaluating the given expression from left to right, according to the rules of precedence (see section OPERATORS), until the outcome is known (the left hand side is false for and operations, true for or), at which point find moves on to the next file name.

xmllint - command line XML tool

FORMAT
       xmllint [--format --dtdvalid ..]{XML-FILE(S)... -}

For help:       xmllint --help

DESCRIPTION

• The xmllint program parses one or more XML files, specified on the command line as XML-FILE (or the standard input if the filename provided is - ).
• It prints various types of output, depending upon the options selected. It is useful for detecting errors both in XML code and in the XML parser itself.

Examples:

... Read more »

xmlwf - Determines if an XML document is well-formed. It is non- validating parser.

FORMAT
       xmlwf  [ -s]  [ -n]  [ -p]  [ -x]  [ -e encoding]  [ -w]  [ -d output-dir]  [ -c]  [ -m]  [ -r]  [ -t]  [ -v] [ file ...]

DESCRIPTION
       xmlwf uses the Expat library to determine if an XML document is well-formed.  It

hexdump - is a Linux utility to dump the file content into ascii, decimal, hexadecimal, octal formats. 

It accepts the input from a file or from standard input and creates a dump in ASCII, octal. hexadecimal or decimal formats.

FORMAT
      [-bcCdovx] [-e format_string] [-f format_file] [-n length] [-s skip] file ...

DESCRIPTION

SETFACL - set file access control lists or set special permissions to a file or directory.

FORMAT
       setfacl [-bkndRLPvh] [{-m|-x} acl_spec] [{-M|-X} acl_file] file ...

       setfacl --restore=file

DESCRIPTION
       This  utility  sets  Access  Control Lists (ACLs) of files and directories.  On the command line, a sequence of commands is followed by a sequence of files (which in turn can be followed by another sequence of commands, ...).

       The options -m, and -x expect an ACL on the command line. Multiple ACL entries are separated by comma characters (`,'). The options -M, and  -X ... Read more »

getent - get entries from Name Service Switch libraries or administrative databases like passwd, shadow, group etc.

FORMAT
getent [Options..] database [key ...]

DESCRIPTION
 

• The getent command displays entries from databases supported by the Name Service Switch libraries, which are configured in /etc/nsswitch.