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Ubuntu

How To Make File Executable in Linux

February 1, 2022July 23, 2025 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
make file executable in linux

Sometimes yo may need to make shell script executable. Here is how to make file executable in Linux.

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How to Recursively Change Folder Permission in Linux

February 1, 2022July 23, 2025 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
recursively change folder permissions

Sometimes you may need to recursively change folder permissions in Linux. Here are the steps to change permission of folders, subfolders & files.

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How to Get Size of Directory in Linux

February 1, 2022July 23, 2025 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
get directory size in linux

Sometimes you may need to get folder size in Linux. Here is how to get size of directory in Linux.

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How to Recursively Download Files & Folders in Wget

January 31, 2022January 31, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
recursively download files & folders in wget

Sometimes you may need to recursively download files & folders in Wget. Here is how to do it.

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Bash Script to Run Commands on Remote Server

January 31, 2022January 31, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
bash script to run commands on remote server

Sometimes you may need to run shell commands on remote server. Here is the bash script to run commands on remote server.

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How to Improve Ubuntu Speed & Performance

January 27, 2022January 27, 2022 Sreeram Sreenivasan Leave a comment Linux, Ubuntu
improve ubuntu speed

System administrators want to make Ubuntu faster & improve overall performance. Here is how to improve Ubuntu speed & performance.

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How to Prompt for User Input in Shell Script

December 31, 2021December 31, 2021 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
read user input in shell script

Sometimes you may need to prompt for user input in shell script. Here is how to prompt user for input in shell script.

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Shell Script to Check if Script is Already Running

December 31, 2021July 18, 2025 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
check if shell script is already running

Sometimes you may need to check if a shell script is already running. Here are the steps to do it.

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How to Rename All Files to Lowercase or Uppercase in Linux

December 27, 2021December 27, 2021 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu

Sometimes you may need to rename files to lowercase or uppercase in Linux. Here is how to do it in Linux.

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How to Backup & Restore Hard Disk in Linux

December 21, 2021July 23, 2025 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
backup & restore hard disk in linux

Sometimes you may need to backup & restore hard disk in Linux. Here are the steps to backup & restore hard disk in Linux.

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