Here's what I just did:
user@user-ThinkPad-T420:~$ sudo apt-get remove apache2
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be REMOVED:
apache2
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
After this operation, 473 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 550142 files and directories currently installed.)
Removing apache2 (2.4.7-1ubuntu4.5+7.0trisquel2) ...
* Stopping web server apache2
*
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Processing triggers for ufw (0.34~rc-0ubuntu2) ...
Now let's see whether those mysterious textual glimpses (a.k.a. dire
warnings) vanish forever ...
