Useful tips for everyday
Can you backup one external hard drive to another? This is why backing up data from an external hard drive to another external hard drive…
Is CRC32 reliable? My opinion: CRC-32 is more than enough for error detection. It is being used widely. However, it is not secure when you…
How are IP addresses used in U-Boot and NFS? The IP addresses are used as follows: 1 U-Boot tftpboot command requests a bootscript file, and…
Can a tmpfs device be mounted to a specific directory? Linux provides a tmpfs device which any user can use, /dev/shm. It is not mounted…
How to list current logged in users in Linux? Using w command to list current logged in users under Unix or Linux Open the terminal…
How do I reconnect to a disconnected SSH session? Basics are: Start a screen session (on your remote host): $ screen. Disconnect from your screen…
Does Debian have Nvidia drivers? Debian 10 “Buster” DKMS will build the nvidia module for your system, via the nvidia-kernel-dkms package. Reboot your system to…
How do I know the page size of my operating system? Finding Optimal Page Size Page Table Size = number of page entries in page…
How do you go through all subfolders in Python? How to list all subdirectories and files in a given directory in… directory = “./” for…
How do I safely remove a USB device from my computer? Double-click on the Remove Hardware icon located in the System Tray. A window containing…