by lifeLinux on May 27, 2011
To send a message to all users on linux system, you can use wall command, which sends a message to everybody logged in with their mesg permission set to yes. The message can be given as an argument to wall, or it can be sent to wall’s standard input. When using the standard input from […]
by lifeLinux on May 27, 2011
If you store private information on your Linux system and you want to prevent other people who use the system from viewing your private files, you need to password protect these files. Solution is to use following commands to encrypt or decrypt files with a password.
by lifeLinux on May 27, 2011
Neither the zip nor the unzip utilities are included in the default install of Linux. To install them from shell prompt, you must be a root user and type following two commands to install zip and unzip program.
by lifeLinux on May 25, 2011
Under Linux operating systems use the dmidecode command to check system BIOS information. The output from the dmidecode command include the BIOS version, Bios release date, BIOS vendor, BIOS language and other BIOS characteristics available on the system.
by lifeLinux on May 25, 2011
Under Linux operating system you can use the faillog command to display faillog records or to set login failure limits. faillog command displays the contents of the failure log from /var/log/faillog database file. It also can be used for maintains failure counters and limits. If you run faillog command without arguments, it will display only […]
by lifeLinux on May 24, 2011
A cron is a utility that allows tasks to automatically run in the background of the system at regular intervals by use of the cron daemon. Crontab (CRON TABle) is a file which contains the schedule of cron entries to be run and at what times they are to be run. This can be quite […]
by lifeLinux on May 24, 2011
To limit the total size of the HTTP request body sent from the client use LimitRequestBody Directive.