Useful tips for everyday
How do I redirect all output to a file in python? Redirect standard output to a file in Python Shell redirection. The most common approach…
Is the MMU inside the CPU? A computer’s memory management unit (MMU) is the physical hardware that handles its virtual memory and caching operations. The…
What is the purpose of runlevels? Find the current and previous system runlevel runlevel/Function How many run levels are there? Basically, levels are the backbone…
How to backup your entire Linux system using rsync? To backup the entire system, all you have to do is open your Terminal and run…
How do I connect my SSH key to RSA? Testing the SSH login using RSA key On the client computer, start an SSH connection to…
How do I check my java version in bash? So you can easily compare it in shell: [ “$JAVA_VER” -ge 15 ] && echo “ok,…
How many links does a directory have? In the case of a regular file, the link count is the number of hard links to that…
How do I copy and paste in PuTTY Ubuntu? Shift-Right-Click will bring up a context menu in the Putty window. The top menu item is…
When to use rsync to transfer large files? This is enabled by default if rsync is doing local filesystem copies, but I think the docs…
How do I access localhost from another computer on my network? You need to find what your local network’s IP of that computer is. Then…