Useful tips for everyday
How do you make an interface go down? Two methods can be used to bring interfaces up or down. 2.1. Using “ip” Usage: # ip…
How do I use Telnet to check if a port is open? Enter “telnet + IP address or hostname + port number” (e.g., telnet www.example.com…
How big is the MBR? The total size of the MBR is 512 bytes, which contains the bootloader program and disk partitioning information. Who loads…
How do I Ping An IPv6-loopback address? Pinging the loopback interface on your system At the command line, type these commands: For IPv4: PING ‘127.0.…
How do I add a second hard drive to VirtualBox? Open Oracle VM Virtual Box Manager, select the Virtual Box for which you want to…
Why does my Wi-Fi keep disconnecting on Ubuntu? A common reason for being disconnected from a wireless network is that you have low signal. Wireless…
How do I connect to WiFi before login? Right-click the name of the network connection you would like Windows to connect to prior to logging…
How is a drum constructed? Drum head material is made by cooling hot liquid plastic on a large metal roller to form a solid, then…
How can I use only one monitor and not my laptop screen? Solution Plug the monitor’s power cord into an outlet, then plug the video…
What causes involuntary context switches? An involuntary context switch occurs when a thread has been running too long (usually something like 10 ms) without making…