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20 command line tools to check load and performance of a Linux System

Best command line tools used to measure the load and performance of your Linux system


1. Find the load and average load of the system: “w”.
 

w displays  information about the users currently on the machine, and their processes.  The header shows, in this order, the current time, how long the system has been running, how many users are currently logged  on.

 The following entries are displayed for each user: login name, the tty name, the remote host, login time,id ... Read more »

Category: Open System-Linux | Views: 2018 | Added by: shanky | Date: 2014-08-31 | Comments (0)

SCRIPT command: Save your Linux sessions automatically

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script - Creates typescript or saves terminal session

FORMAT:
     script [-a] [-c COMMAND] [-f] [-q] [-t] [file]

DESCRIPTION
     Script makes a typescript of everything printed on y

Category: Open System-Linux | Views: 2352 | Added by: shanky | Date: 2014-06-05 | Comments (0)

Archiving and compression of files in Linux
 

Let’s see some archiving and compression tool used in Linux to manage filesystem space. This is free necessaary to recover and fr ... Read more »

Category: Open System-Linux | Views: 2253 | Added by: shanky | Date: 2014-05-22 | Comments (0)

Addition of two numbers using shell scripting in UNIX
 

Hello all

... Read more »

Category: Open System-Linux | Views: 2783 | Added by: ved | Date: 2014-04-24 | Comments (2)

xmllint : a command line xml tool to view and find errors in XML file

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.
Mostly used options:
   --format
              Reformat and reindent the output. The XMLLINT_INDENT environment variable controls the indentation. The default value is two spaces " ").
  --noout
              Suppress output. By default, xmllint outputs the result tree.

 --path "PATH(S)& ... Read more »

Category: Open System-Linux | Views: 2375 | Added by: shanky | Date: 2014-04-22 | Comments (0)

SED command for filtering and transforming texts of a file using regular expression

 

       sed - stream editor for filtering and transforming text

... Read more »

Category: Open System-Linux | Views: 1564 | Added by: shanky | Date: 2014-04-10 | Comments (0)

Create a new user in Linux system: useradd
 

useradd - This command is used to create a new ... Read more »

Category: Open System-Linux | Views: 2257 | Added by: Piyu | Date: 2014-03-25 | Comments (0)

AWK command for scanning and analysing a large file in Linux
awk - A command for pattern scanning and processing of a large file
 
  1. The awk utility shall execute programs written in the awk programming language, which is specialized for textual data manipulation.
  2. An awk program is a sequence of patterns and corresponding actions. When input is read that matches a pattern, the action associated with that pattern is carried out.
  3. The awk utility shall interpret each input record as a sequence of fields where, by default, a field is a string of non- s. This default white-space field delimiter can be changed by usi ... Read more »
Category: Open System-Linux | Views: 4097 | Added by: shanky | Date: 2014-03-17 | Comments (2)

crontab: A command in linux to automatically start/repeat a process at certian time and interval

crontab - A command to manage crontab files for each users and schedule commands ans other scripts.
Format:
crontab [-u user] file
crontab [-u user] [-l | -r | -e]
 

Schedule your jobs in Linux

schedule a job

 

DESCRIPTION
Crontab is the program used to creat, remove or show the tables used to drive the cron(8) daemon in ISC Cron.

... Read more »

Category: Open System-Linux | Views: 3477 | Date: 2014-03-13 | Comments (0)

uptime command in Linux
 

If you want to find the duration of time a linux server is up or active, you can use uptime command
    uptime - tell how long the system has been running

Format

       uptime [OPTION]... [ FILE ]

DESCRIPTION

       Print  the current time, the length of time the system has been up, the number ... Read more »
Category: Open System-Linux | Views: 2617 | Added by: shanky | Date: 2014-03-12 | Comments (0)