If you ever see a message like this upon opening a new shell – “zsh: corrupt history file /root/.zsh_history“. You can easily fix your history file by extracting only the valid strings. The…
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FTP used to be the most used protocol on the Internet by sheer data traffic until it was surpassed by HTTP a few years ago. FTP does one thing, and it does it…
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SSH (Secure Shell) is a program to log into another computer over a network, to execute commands in a remote machine, and to move files from one machine to another. It also provides…
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A virtual machine is a software that, like a physical machine, runs an operating system and applications. A virtual machine uses your host system’s physical resources on which it runs. Virtual machines have…
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Shell program is series of Linux commands. Shell script is just like batch file is MS-DOS but have more power than the MS-DOS batch file. Shell script can take input from user, file…
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One of the most frustrating things about mastering a new OS can be figuring out where it keep files. Instead of keeping all important system files in a single directory, such as C:\Windows…
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Linux is a common computing environment, and for that reason, many specialties within IT will require basic Linux/UNIX knowledge. If you’re getting ready to interview for a web or software developer, system administrator,…
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