Practical solutions

Linux Howtos How-To Guides

Solve the problem. Keep building. Collection of Linux how-to articles

Find the answer you need

Browse practical solutions, grouped by the task you're working on.

__COUNT__ entries on this page

Linux FileHow to Delete Files and Directories in Linux TerminalWe can delete Files and Directories with rm, unlink, and rmdir commands using Linux Terminal LinuxHow to Use while Loop in Bashwhile loop is one of the most widely used loop structures in almost every programming language. We can specify a condition for the while loop and the statements in the loop are executed as long as the condition is true. LinuxHow to Install Plex Media Server on UbuntuWe can install the Plex Media Server from the Plex official repository. Bash GetoptsHow to Use getopts in Bash ScriptThis shows the usage of getopts in bash scripts by parsing options with arguments and parsing options without arguments. Bash StringHow to Create Multi-Line String in BashThis tutorial demonstrates different ways to print multi-line string to a file in bash without extra space by the use of here-document, shell variable, printf, echo and echo with -e option. Bash StringHow to Extract Substring in BashThis tutorial demonstrates different ways to extract a substring in bash using the cut command, substring expansion and Internal Field Separator. Bash StringHow to Split String Into Array in BashThis tutorial explains splitting a string into an array in bash by using the read command, the tr command and using parameter expansion. Bash StringHow to Split String in BashThis tutorial demonstrates splitting a string on a delimeter in bash by using the tr command, the IFS, the read command, using parameter expansion, and using the cut command. Bash FileHow to Get File Name and Extension Using BashA simple bash script that gets file name and its extension separately. Bash ScriptHow to Get Script Directory in BashThis tutorial demonstrates getting the directory that a script is located in by using the $0 and dirname, BASH_SOURCE array, readlink command, and realpath command. Bash AliasHow to Make a Bash AliasThis tutorial demonstrates the creation and deletion of alias in Bash. Bash StringHow to Convert Letter Case of Strings in BashThis tutorial demonstrates the conversion of letter case of strings in Bash. Bash PauseHow to Pause Bash Shell Script for X SecondsLearn how to utilize read and sleep commands in Bash to pause a script Bash StringHow to Trim Whitespace in BashThis tutorial shows trimming white spaces in bash using the xargs command, the sed command and the awk command. Bash OutputHow to Set Variable to Output of Command in BashThis tutorial demonstrates assigning the output of a command to a variable in bash using command substitution. Bash MathHow to Add Numbers in BashThis tutorial shows different ways of adding numbers in a bash script using expr, arithmetic expansion, bc and awk. Bash FileHow to Remove File Extension Using BashThe step by step guide to remove file extension using cut command using shell script and its use in conjunction with pipes. Bash setHow to Use set Command in the Bash ShellLearn how to use the set built-in command in Bash. Bash FileHow to Find Files and Folders in LinuxLearn how to use the find command in Linux. Bash VariableHow to Check if Variable Is Empty in BashThis tutorial illustrates checking if a variable is empty in bash using the the test command with the -z option and the -n option. Bash ArrayHow to Use Array in Linux BashThis article explains how to use array in Linux Bash. Linux CPUHow to Read CPU Flags From CpuinfoThis article describes the flags in cpuinfo in Linux. Bash LoopHow to Implement the for Loop in BashTrivial guide to write a for loop iterative structure using Bash script. Linux SSHHow to Use SSH to Connect to Remote ServerThis tutorial demonstrates using ssh to securely connect to a remote Linux server.