Tag: grep

How To Create Case Insensitive Regex?

Posted on 25/12/201824/12/2018 by İsmail Baydan

Regex is used given text according to different and flexible patterns. It provides a lot of different patterns which can match given text or line. The default behavior of the

Using Grep Case Insensitive

Posted on 07/09/2018 by İsmail Baydan

grep is very useful too to match and find phrases, words and characters in test. One of the most used situation is using grep case sensitive or case insensitive. In this tutorial

Python Glob() Function To Match Path, Directory, File Names with Examples

Posted on 26/06/201826/06/2018 by İsmail Baydan

glob is a general term used to define techniques to match specified pattern according to rules related Unix shell. Linux and Unix systems and shells also supports glob and also provide

How To List Installed Packages In Ubuntu, Debian, Kali, Mint

Posted on 25/05/201825/05/2018 by İsmail Baydan

Ubuntu, Debian, Kali and Mint distributions uses apt-get and dpkg commands for package management. We generally use this commands to install or remove packages from Linux systems. But in some cases we

How To Get Linux Network IP Address In Different Ways ?

Posted on 02/05/201808/05/2018 by İsmail Baydan

We can determine Linux system IP address in different ways. IP address is used to communicate over network and can be get and set in different ways. In this tutorial

Troubleshoot and Check Cron Job Logs

Posted on 23/04/201824/04/2018 by İsmail Baydan

cron is very useful tool and mechanism to schedule jobs in Linux operating system. cron can run scripts, commands, binaries if set properly. But in some cases there may be

How To Grep Multiple Strings, Patterns or Regex in A Text File In Linux?

Posted on 09/02/2018 by İsmail Baydan

grep provides a lot of features to match strings, patterns or regex in a given text. One of the most used feature is to match two or more, multiple string,

Linux Bash Pipe Command Usage with Examples For Redirection

Posted on 25/01/2018 by İsmail Baydan

Linux Bash provides a lot of useful features and commands. Pipe or | is one of them. Bash provides command line interface facility which mainly used to concatenate command output to

How To Exclude with Grep In Linux?

Posted on 08/01/2018 by İsmail Baydan

grep is very useful tool used by a lot of tech guys. grep provides different functions to match given text. We have all ready mentioned these useful options of grep.

How To Use Regular Expression – Regex In Bash Linux?

Posted on 08/01/201808/01/2018 by İsmail Baydan

Linux bash provides a lot of commands and features for Regular Expressions or regex. grep , expr , sed and awk are some of them. Bash also have =~ operator which is named as