1. mktemp is preferred to tempfile.

I came across this problem after I installed both Debian and Windows 7 system on my laptop. After searching online, I found a solution to this problem. 1. Open /etc/default/grub as root user and make sure the following line is somewhere in the file and uncommented:

    GRUB_DISABLE_OS_PROBER=false …

Tips and Traps

1. You can download a Windows 10 Virtual Machine at Get a Windows 10 development environment !

2. winget is the official Windows Package Manager CLI and Chocolatey is a cool community-driven software management tool for Windows.

3. When a file is being synchronized by Dropbox, it might be unaccessible temporarily …

Update: As of MacOS Sierra 10.12.1, the remapping of Caps Lock to Escape can be done natively in the Keyboard System Preferences pane. Follow the steps below to remap Caps Lock to Escape (without relying on 3rd party software).

1. Open System Preferences and click on Keyboard
2. Click on …

** Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement! **

If you are a heavy Vim user and you have work on Windows, it is suggested that you Swap the Caps Lock key with the Escape key. The swaped key mapping …

1. Define host access rules in /etc/hosts.allow and /etc/hosts.deny. Usually I only allow login to my private server from my home and work ip. If I have to login into my private server from some other network, I login to a computer at my workplace, login into …