Linux, Windows, Security, Programming, Network Tutorials
When dealing with the text files such as log files, user list, server list etc we can use regex for formally structured files. Space, white-space, and tab are popular separating elements used in regex or CSV files. In this tutorial, we
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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 regex is case sensitive which means upper and lowercase letters
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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 we will examine different examples. We have all ready examined
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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 function glob() in system libraries. In this tutorial we will look
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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 may need to list and count installed packages. In this
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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 we will use Ubuntu distribution but given examples and commands
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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 some mis-configuration or unexpected behavior. So we may not be
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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, patterns or regex. In this tutorial we will look different
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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 another command. Concept In Linux everything is file. This may
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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. In this tutorial we will look different ways to exclude
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