Useful tips for everyday
How do I enable PXE boot in Dell BIOS? Enable PXE Booting Tap F2 when the Dell logo is displayed to enter System Setup (aka…
What is a cron Python? Cron is a software utility that allows us to schedule tasks on Unix-like systems. The name is derived from the…
Can a grep output only specified groupings that match? Capture group indices (e.g., $5) and names (e.g., $foo) are supported in the replacement string. Related:…
How do you kill a detached screen session? You can kill a detached session which is not responding within the screen session by doing the…
What is a mount point in Linux? A mount point can be simply described as a directory to access the data stored in your hard…
How do I send the body of an email in Linux? Sending email from Linux using mailx If you just want to send a simple…
How does split tunneling work with OpenVPN? When you set up split tunneling, only traffic that is destined for the subnets on your Internal LAN…
How do I find my USB serial port? To identify the COM port on your Windows laptop Depending on your Windows operating system, the Device…
How does SSH copy public key to remote host? The ssh-copy-id command (in the openssh-client package and installed by default) does exactly this: ssh-copy-id [email protected].…
When does network manager switch to wireless connection? Network Manager aims for Network Connectivity which “Just Works”. The computer should use the wired network connection…