You can copy a directory on your Linux system using rsync command.
rsync -avzh /source_dir/ /target_dir/
If you want to delete the source_dir you can use the following command.
mkdir -p empty_dir/
rsync -a –delete empty_dir/ source_dir/
How to Disable Javascript in Firefox
Type `about:config` in the address bar. There will be a warning saying “This might void your warranty!”. Just click “I accept the risk!” box.
Under preference name, you can find javascript.enabled or simply write it on search box.
Click on it until the value become false. To re-enable Javascript, simply click on the bar again. Hope this will help you 🙂
How to Remove Million Files in a Directory
You can use this command
$ perl -e ‘for(<*>){((stat)[9]<(unlink))}’
which performs faster than
$ rm -f *
Convert frames to video using ffmpeg
ffmpeg -i %d.png -c:v libx264 -vf fps=30 -pix_fmt yuv420p out.mp4
Make an empty commit in Git
Sometimes, when you work on a repository that has CI/CD you don’t have access to rebuild the code since it’s restricted for you as a new developer or team member. However, you might still need to do rebuild to check for failing test that might be happened due to random thing.
If your repository build can be triggered by a commit, then this command can help you to rebuild the code without having access to do it manually.
$ git commit --allow-empty -m "Trigger rebuild"
$ git pushHope this would be helpful for you. Happy sprinting! 🙂
How to Install Git on Linux
Installing git is pretty easy on Linux. Here are the commands for several distributions.
- Debian and Ubuntu:
sudo apt-get install git - CentOS:
sudo yum install git - Fedora:
sudo yum install git-core - Arch Linux:
sudo pacman -Sy git - Gentoo:
sudo emerge --ask --verbose dev-vcs/git
How to Setup PostgreSQL in Linux Ubuntu
Hello everyone, today I am going to show you a quick way to install and create your first PostgreSQL database in your Linux Ubuntu machine so it can be used for a web application, deep learning, robotics, or any other applications.
Let’s get started.
imaduddin a majid 