Web-developer and sysadmin notes

Ansible is not magic, and it is not complicated.

There are several methods to set the SSH port for Ansible.

A alias The alias command lets you run a command or a series of Unix commands using a shorter name than the ones usually associated with them. apt, apt-get The apt-get tool automatically updates a Debian machine and installs Debian packages/programs. awk,…

In Firefox, you could use Firebug, which allows you to view every HTTP request that Ajax calls are making.

If you want to learn the Python programming language but can’t find a concise and yet full-featured tutorial – this tutorial will attempt to teach you Python in 10 minutes.

What to do if you want to pass values of parameters intto an URL string?

VB6 installs just fine on Windows 7, Windows 8 and even Windows 10 with a few caveats.

Are you using $_SERVER[‘REMOTE_ADDR’] to find the the client’s IP address in PHP?

In some case you have to check what method was used to request your web page or check some values in POST parameters.

What are the differences?