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How to disable offers to install a package with an incorrectly entered command In case the command you entered into the Linux console is not found, some distributions show additional information suggesting which packages the enter…
Read article →This note will show you how to convert a string to lowercase (small letters) on the Linux command line. To convert a string to lower case regardless of its current case, use one of the following commands. tr echo "Hi all" | tr '[:…
Read article →This note will show you how to convert a string to upper case (capital letters, uppercase) on the Linux command line. To convert a string to capital letters regardless of its current case, use one of the following commands. tr ech…
Read article →Bash virus code In the article “How to find and remove malware from Linux”, we looked at typical examples of how a virus in Linux makes itself persistent (in order to persist and start after a reboot), and also collected examples…
Read article →Linux shells There are several Linux shells, each with its own characteristics. Examples of popular shells are Bash (which is the default shell on many distributions) and ZSH (which is the default shell on Kali Linux, it has many…
Read article →What is a login shell for? In practical terms, the selected login shell determines the default shell for the user. Although, of course, nothing prevents you from running any other shell installed on your system. How to find out wh…
Read article →Bash is not only and even not so much shell built-in functions as command line programs (utilities). By running these commands and transferring the received data to the pipeline (through the pipe), you can automate a variety of th…
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