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CentOS/RHEL

How to Batch Convert PNG to JPG in Linux

February 15, 2022April 11, 2022 Sreeram Sreenivasan 2 Comments CentOS/RHEL, Linux, Ubuntu
batch convert png to jpg in linux

Sometimes you may need to batch convert PNG to JPG and vice versa. Here is how to convert PNG to JPG and JPG to PNG in Linux.

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How to Convert Webp to Gif in Linux

February 15, 2022February 15, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
webp to gif images in linux

Sometimes you may need to convert webp to gif images in Linux. Here’s how to convert webp to gif images using ImageMagick library.

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How to Convert Images to Webp in Linux

February 15, 2022January 16, 2025 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
convert-image-webp-linux

Sometimes you may need to convert images to webp format in Linux. Here’s how to easily create webp images in Linux.

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How to Check if User Has Sudo Access

February 15, 2022February 15, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
check if user has sudo access

Sometimes you may need to check if user has sudo access. Here are the steps to do it in Linux.

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How to Find All Sudo Users in Linux

February 14, 2022February 14, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
find all sudo users in linux

System administrators need to keep track of all sudo users in Linux to prevent unauthorized access to system. Here is how to find all sudo users in Linux.

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How to Insert Text to Beginning of File in Linux

February 14, 2022February 14, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
insert text at beginning of file in linux

Sometimes you may need to insert one or multiple lines to the beginning of file. Here is how to insert text to the beginning of the file.

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How to Revoke SSH Access & Keys in Linux

February 11, 2022February 11, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
revoke ssh access and keys in linux

Sometimes you may need to revoke SSH access & keys to users to avoid unauthorized access. Here are the steps to do it.

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How to Keep SSH Session Alive After Disconnect in Linux

February 11, 2022February 11, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
keep ssh alive after disconnect

Sometimes you may need to keep your SSH connection alive even after disconnect to run tasks & processes. Here is how to do it.

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How to Password Protect PDF in Linux

February 8, 2022February 8, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
password protect pdf in linux

PDF files allow you to set password for security. Here is how to password protect PDF in Linux.

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How to Remove PDF Password in Linux

February 8, 2022February 8, 2022 Sreeram Sreenivasan Leave a comment CentOS/RHEL, Linux, Ubuntu
how to remove passwords from PDF in Linux

Sometimes you may need to remove password from PDF file. Here is how to remove PDF password in Linux using PDF toolkit and QPDF.

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