argparse is a module to make user-friendly command-line interfaces. It’s probably the one of the most frequently used module when I create a script in python that needs to parse some arguments. Check this out. $ vim test.py #!/usr/bin/python import argparse def init_args(): parser = argparse. ArgumentParser(description=”This is the description”) parser.add_argument(“–arg1”, required=True, type=str, help=”This is … Read more
Sometimes it’s annoying when you’re trying to work with your project and whenever you need to enter your key passphrase. So I wanna make this passphrase prompt ask only once. vim ~/.bash_profile and put this at the bottom of the file : eval $(ssh-agent) ssh-add Or if you don’t want to be asked for passphrase … Read more
This is how to install traceroute in ubuntu machine apt-get install traceroute And how to use it : $ traceroute google.com traceroute to google.com (74.125.68.100), 30 hops max, 60 byte packets 1 192.168.100.1 (192.168.100.1) 2.281 ms 2.378 ms 2.398 ms 2 61.5.80.1 (61.5.80.1) 9.254 ms 9.357 ms 9.378 ms 3 121.subnet125-160-11.speedy.telkom.net.id (125.160.11.121) 8.980 ms 8.966 … Read more
I use vagrant for daily development, now vagrant has this directory mounted when we setup vagrant at the first time. But sometimes I’d like to mount my own directory to my local machine. This is the way I create samba share in my vagrant : apt-get install samba samba-common Create user for project useradd -m user1 … Read more
If you looking for some text in files in some directory, this command should do the trick grep -rnw ‘/path/to/somewhere/’ -e “pattern”
When you work with vagrant, you might want your project folder to be mounted on some directory on your local. You can do that easily with file manager, but here’s my favorite way to mount my samba share in vagrant to my directory on my local. So I can work on that. Before you do … Read more
I’m so stupid, so I need to write it down apt list –installed
So after all these years I’ve had using apache for run something that runs with php, but since I know about nginx, I’ve been using this webserver instead of apache. This wordpress blog is running with nginx and php-fpm, because not like apache that you can run anything about php without install the additional package. With … Read more
It’s so hard for me to memorize all of these things, so I will write it down, like this ansible command ansible-playbook -i hosts.ini playbook/yourplaybook/create.yml
If you wondering how to convert a video only from command line. These steps are recommended to achieve that. First you need to install ffmpeg in your system. Centos/Fedora: $ sudo dnf install ffmpeg Ubuntu: $ sudo apt install ffmpeg And proceed to convert your desired video: $ ffmpeg -i input.mp4 -vcodec copy -acodec copy … Read more