Useful tips for everyday
What is the command to list all files in the current directory whose second character is a digit? ?[0-9]* only expands to names in the…
Why do I need XDMCP to start a remote X session over? Instead, you’re effectively trying to remote-start a GNOME session on the tty8 virtual…
What is a non-promiscuous mode? In non-promiscuous mode, when a NIC receives a frame, it drops it unless the frame is addressed to that NIC’s…
How do I change my default application in KDE? Use the Settings App to Set Default Apps Select the Settings launcher to open the GNOME…
How do I find the line number on a Linux pattern? The -n ( or –line-number ) option tells grep to show the line number…
What is FAT32 partition in Linux? The FAT32 filesystem stands for File Allocation Table and it was developed following on from previous filesystems such as…
How do I manage USB power? Right-click on the “USB Root Hub” you want to change, and then click on “Properties” to open the USB…
How much compression does gzip do? Gzip, the most popular compression method, is used by web servers and browsers to seamlessly compress and decompress content…
How do I extract a specific column in Linux? The syntax for extracting a selection based on a column number is: $ cut -c n…
How do I install the latest version of OpenJDK? Installing the Default OpenJDK (Java 11) First, update the apt package index with: sudo apt update.…