To install the Linux kernel headers and development files on a Fedora Linux system, you can use the dnf package manager. Here’s how to do it: Open a terminal and update the dnf package manager’s cache by running the following command: sudo dnf makecache Install the kernel headers and development files by running the following … Read more

To list the files contained in an RPM package, you can use the rpm command with the -ql option. Here’s how to do it: Open a terminal and run the following command to list the files contained in an RPM package: rpm -ql package-name Replace package-name with the name of the RPM package that you … Read more

To create a bootable USB pen drive in Linux, you can use the dd command to write the ISO image to the USB drive. Here’s how to do it: Insert the USB pen drive into a USB port on your computer. Open a terminal and type the following command to find the device name of … Read more

By default, the history command in Bash shows a list of recently executed commands with their respective line numbers. However, it does not display the date and time when each command was executed. (www.utahcnacenters.com) To show the date and time for each command in the Bash history, you can set the HISTTIMEFORMAT environment variable. Here’s … Read more

The lsscsi command can be used to list all SCSI / SATA hard disks and CD / DVD drives on a Linux system. Here’s how to use it: Open a terminal on your Linux system. Type the following command and press Enter: lsscsi This will display a list of all SCSI / SATA devices on … Read more

If you have a named statistics dump file in Linux and want to convert the date and time in the file to a different format, you can use the date command. Here’s an example: Assuming you have a named statistics dump file named named_stats.txt with the following content: +++ Statistics Dump +++ (1614223000) … The … Read more

To enable jumbo frames on an AIX UNIX system, you can follow these steps: Check if your network adapter supports jumbo frames: To enable jumbo frames, you need to have a network adapter that supports it. You can check if your adapter supports jumbo frames by running the following command: entstat -d en0 | grep … Read more

The “Cannot load mysql extension. Please check your PHP configuration” error in phpMyAdmin usually occurs when the MySQL extension is not enabled in PHP. Here are some steps you can take to fix this error: Check if the MySQL extension is installed: You can check if the MySQL extension is installed on your system by … Read more

The “BAD FILE MODE” error in crond usually occurs when the file permissions on the crontab file or directory are incorrect. The error message indicates that the crontab file has a bad file mode, which means that it is either too permissive or not permissive enough for the crond daemon to access it. To fix … Read more

In Bash shell, you can use the read command to read input line by line, and then use the IFS (Internal Field Separator) variable to specify the delimiter character(s) that separate the fields. Here is an example script that reads input from a file called data.txt and extracts the fields delimited by commas: #!/bin/bash # … Read more