added begin of documentation on mariadb

README.md

@@ -13,6 +13,7 @@
 
 - ? what means mounted in "a file or directory on the host machine is mounted into a container" ?
 - ? why the volumes cannot be modify outside docker ?
+- ? `rm -rf /var/lib/apt/lists/*` ?
 
 ---
 ## nginx basics
@@ -65,6 +66,7 @@
 - [dangling images '<none>'](https://projectatomic.io/blog/2015/07/what-are-docker-none-none-images/)
 - [go inside docker to debug it](https://docs.docker.com/engine/reference/commandline/container_exec/)
 - `docker exec -ti <container-name> bash` to run bash inside a running container
+- [docker CMD vs ENTRYPOINT](https://phoenixnap.com/kb/docker-cmd-vs-entrypoint)
 
 	###### docker pid 1
 	- nginx by default will create some child process (a master and some workers), then it quits (doc ?)
@@ -128,3 +130,23 @@
 - [openssl req man](https://www.openssl.org/docs/man1.0.2/man1/openssl-req.html)
 - [SO discussion about ssl self signed certificate and becoming a CA](https://stackoverflow.com/questions/10175812/how-to-generate-a-self-signed-ssl-certificate-using-openssl)
 
+#### wordpress
+- [install wp](https://wordpress.org/support/article/how-to-install-wordpress/#detailed-instructions)
+- [install wp with wp-cli](https://make.wordpress.org/cli/handbook/how-to-install/)
+
+	###### install wp
+	- wget https://wordpress.org/latest.tar.gz
+	- tar -xzvf latest.tar.gz
+
+#### mariadb
+- [mariadb tutorial](https://www.mariadbtutorial.com/)
+- server vs client :
+	- "server" runs in the background and listen for inputs
+	- "client" interpret the commands to communicate with "server"
+- sudo apt install mariadb-client mariadb-server
+- [ERROR 1698 (28000): Access denied for user 'root'@'localhost'](https://stackoverflow.com/questions/39281594/error-1698-28000-access-denied-for-user-rootlocalhost)
+- [wiki ubuntu mariadb](https://doc.ubuntu-fr.org/mariadb)
+
+#### php-fpm
+- [](https://en.wikipedia.org/wiki/FastCGI)
+