I have just started to upgrade some servers to Ubuntu 16.04. It looked good until I rebooted to the server and the Apache2 service didn’t start up properly. I view the logs in systemd. Using the command: systemctl status apache2.service ● apache2.service – LSB: Apache2 web server Loaded: loaded (/etc/init.d/apache2; bad; vendor preset: enabled) Drop-In: … Read more
One of our Apache 2.4 web servers strangely stopped working and didn’t want to come back up. I tried to start it but it came back with a vague error message: A quick look in /var/log/apache2/error.log just showed nothing useful: So, I ran the Apache configuration check tool on the configuration files but the syntax … Read more
I upgrade one of our servers from Ubuntu 13.04 to Ubuntu 13.10 and immediately one of the apache sites went wrong. It is was an odd problem because the Apache configuration had not changed and there was nothing unusual about it. I was getting and SSL error like so: It turns out that all I … Read more
If you are trying to configure Apache, it can be handy to see what Apache modules are enabled Ubuntu. Here is how to check which apache modules are enabled/installed. This will provide a list the apache modules which are enabled like so:
On our Ubuntu 13.10 server, I had created an apache configuration file for a virtual host however, I could not enable it using a2ensite. The file was here: I tried to enable it: However, the command complained that ERROR: Site www.example.com does not exist! The files clearly exists. It turns out the this command only … Read more
DebugChannel.com is a great new service / downloadable server to help debug your web application. The key things are that it speeds up debugging because all your debug output can be clearly formatted and shown in the same place. So you can get debug information from php scripts or even apache error logs. This post … Read more
I wanted to pipe the output of my Apache’s error logs to a Python script. To do this you need to set the a CustomLog directive in your Apache Config. Edit /etc/apache2/sites-available/default and add the following line: To read the input into Python you need to setup a non-blocking read from stdin. Obviously, this script … Read more
I tried upgrading one of our servers from Apache 2.2 -> Apache 2.4. It didn’t work so I purged the PPA but the configurations needed rolling back too (which ppa-purge command didn’t do). So, to completely remove Apache2 configuration files and reinstall them use the following command: and then had to also reinstall php5: Hope … Read more