Tutorials - Other

Symptoms

You may have error messages like:

When you request a let's encrypt wildcard certificate with virtualmin you may have an error like this:

Install via composer

composer global require drush/drush:10.x

To add Drush to your path, type the following command:

echo 'export PATH="$HOME/.config/composer/vendor/bin:$PATH"' >> ~/.bashrc
source ~/.bashrc

Install Apache 2 server

sudo apt install apache2

Install MySQL Server

sudo apt install mysql-server

Create a Drupal 9 project with composer

Remove all everything not used by at least one container - Prune everything

docker system prune

Note : If you are on Docker 17.06.1 or higher and want to also prune volumes, add the --volumes flag:
docker system prune --volumes

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.

Example :

$stopwords = ['toto', 'Pied', 'the'];
$str = 'bla bla toto bla bla Toto bla bla Tôtô bla bla totô bla bla bla bla the thé pied pïed pîéd';

Step 1 : Install pptp client.

sudo apt-get -y install pptp-linux

Step 2 : Setup PPTP Client

Add secret:

File : /etc/ppp/chap-secrets
You can use:
sudo nano /etc/ppp/chap-secrets

rsync is a powerfull tool to synchronize the files and directories. Can be use for local or remote using ssh.

Source Tutorial : https://www.thegeekstuff.com/2010/09/rsync-command-examples/

Syntax
rsync options source destination