This quick tutorial shows you how to fix ssh error “sign_and_send_pubkey: signing failed: agent refused operation Permission denied (publickey)” on Linux.
This step-by-step tutorial demonstrates how to install Distributed Replicated Block Device (DRBD) on CentOS Linux.
The ls command in Linux is one of the most used commands. But most people don’t utilize its full potential. Check out the basics as well as advanced ls command examples in Linux.
Learn to use touch command in Linux with these useful and practical examples.
Let’s see what are the various kinds of file timestamps in Linux, how to see the timestamps for a file and how to change the timestamps.
Formatting text so the lines will fit in the available space on the target device are not that easy when it comes to the terminal. Instead of breaking lines by hand you can use the POSIX fold utility and the GNU/BSD fmt command to reflow a text so lines will not exceed a given length.