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Linux Date Command Option

Date command options. Date command to get the current date. $ date=$(date +%Y-%m-%d) $ echo $date Date command to get yesterday's date. $ date=$(date --date=yesterday +%Y-%m-%d) $ echo $date Date command to get tomorrow's date. $ date=$(date --date=tomorrow +%Y-%m-%d) $ echo $date ...
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ufw – Uncomplicated Firewall

Description ufw is stands for Uncomplicated Firewall, this program is for managing a Linux firewall and aims to provide an easy to use interface for the user, as well as support package integration and dynamic-detection of open ports. ufw  is not intended to provide complete firewall functionality via its command interface, but ...
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Screen Command In Linux

Introduction When screen is called, it creates a single window with a  shell  in  it and then gets out of your way so that you can use the program as you normally would.  Then, at any time, you  can create new windows with other programs in them (including more shells), kill existing windows, view a list of windows, turn  output  logging  on and off, copy-and-paste text between windows, view the scroll back history, switch between windows in ...
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Creating a swap file

Using the command dd you can create swap file. dd - convert and copy a file First of all check the current swap size using the command 'free' $ free Output total used free shared buffers cached Mem: 1025620 1009140 16480 0 2252 465116 -/+ buffers/cache: 541772 483848 Swap: 2096440 18924 2077516 Create a directory called 'swap' under slash '/' $ sudo mkdir ...
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Backuping & Restoring using mysqldump & mysqlhotcopy

Using mysqldump Using 'mysqldump' command you can take the mysql database backup. This command all the datas to a text file. The syntax is shell> mysqldump [options] db_name [tables] shell> mysqldump [options] –databases db_name1 [db_name2 db_name3…] shell> mysqldump [options] –all-databases Backuping ...
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