Useful tips for everyday
Why does Bash shell not show typed in commands? Note that while typing reset above, you won’t be able to see anything, so it may…
When does SSH exchange identification close by remote host? You can get “ssh_exchange_identification: Connection closed by remote host” if your sshd service is not operational!…
Why is current directory not in PATH? In the UNIX world, it’s well understood that you need to prefix binaries in the current directory with…
What are some common things you can protect with a copyright? Copyright, a form of intellectual property law, protects original works of authorship including literary,…
How many clusters cluster standard error? While no specific number of clusters is statistically proven to be sufficient, practitioners often cite a number in the…
How do you see all the programs running on a Mac? Press Cmd + Alt + Escape to see the Force Quit Applications menu. This…
Are NiMH batteries dry cell? This covers typical non-lithium dry batteries (alkaline, nickel metal hydride, nickel cadmium, etc.) in the most common sizes: AA, AAA,…
Why does my left click not work sometimes? If the mouse’s left-click button doesn’t work, only sometimes responds, accidentally “unclicks” as you drag, misclicks, or…
How do I scroll up in terminal window? Whenever active text arrives, the Terminal scrolls the window to the newly arrived text. Use the scroll…
How do I refresh Google cache on my website? Click the name of your site and then click “Health.” Click “Fetch as Google” and then…