Shell

Convert OGG to MP3

ffmpeg -v 5 -y -i file.m4a -acodec libmp3lame -ac 2 -ab 192k file.mp3

Convert M4A to MP3

ffmpeg -i file.ogg file.mp3
#Or
ffmpeg -i file.{ogg,mp3}

Local bin folders
$HOME/.local/bin (~/.local/bin)
$HOME/bin (~/bin)

Add to path manually

PATH=$PATH:$HOME/.local/bin:$HOME/bin
export PATH

User specific environment and startup programs

Test Disk Write Performance With dd Command

dd is a basic command une in all linux distributions to copy data. You can also use this feature to test dis performance.

Access to a SAMBA file share from a file explorer

Juste enter the address of your share like:
smb://<IP or HOST>/<Folder>
Example:
smb://192.168.0.1/DATA
smb://192.168.0.1/

Drush allow to download and install drupal core, drupal modules and drupal themes.
Note : It is recommended to use composer to manage drupal 8, modules and themes.

SCP - Secure copy

Download a file via SCP
File :        /tmp/mysql.dump.sql
Server/Login :    THE_USERNAME:PASSWORD@domain.com
Download to :     . (Current directory)
scp user:pass@domain.com:/tmp/mysql.dump.sql .

To force usage of a specific key, put in your ~/.ssh/config file :

Host [HOST_NAME]
   Hostname [HOST_NAME]
   User [USER_NAME]
   Port [PORT]
   IdentityFile ~/.ssh/[your_private_key]

To create a bootable USB memory on linux you have several solutions. The famous dd is the most powerful solution, but use carefully. Because a very small error may destroy all your data.

This is an example to merge 2 last commits.

1. git rebase -i HEAD~2

2. Change pick to squash the commit you want to merge

3. Save and Exit

4. git push -f origin master

Print / Check Date from command line

date

Set date from the command line

date +%Y%m%d -s "20170430"

Set time from the command line

date +%T -s "12:00:00"