Useful tips for everyday
What is Xrandr Ubuntu? xrandr tool (an app component in Xorg) is a command line interface to RandR extension, and can be used to set…
What ports does NTPD use? NTP time servers work within the TCP/IP suite and rely on User Datagram Protocol (UDP) port 123. NTP servers are…
How do you make a pool in ZFS? Creating a ZFS Storage Pool To create a storage pool, use the zpool create command. The second…
How do I add a folder to a zip file? Press and hold (or right-click) the file or folder, select (or point to) Send to,…
How do you start a disowned process? Use Ctrl + Z to suspend a program then bg to run the process in background and disown…
What is SH in code? It is a Bourne shell script. They are used in many variations of UNIX-like operating systems. They have no “language”…
How do you count the frequency of a number in a column? Note: You also can use this formula =COUNTIF(A1:A10,”AAA-1″) to count the frequency of…
How do you set up printing CUPS? To configure CUPS to allow access from remote machines, perform the following steps: Enter the following command to…
Does UFW block all default ports? By default, UFW will block all of the incoming connections and allow all outbound connections. This means that anyone…
What is Package lock? Package-lock is a large list of each dependency listed in your package.json, the specific version that should be installed, the location…