Is this safe and useful?
6. Remove language related ign from apt-get update:
Have you ever noticed the output of sudo apt-get update? There are three kinds of lines in it, hit , ign and get . You can read their meaning here. If you look at IGN lines, you will find that most of them are related to language translation. If you use all the applications, packages in English, there is absolutely no need for a translation of package database from English to English.
If you suppress this language related updates from apt-get, it will slightly increase the apt-get update speed. To do that, open the following file:
sudo gedit /etc/apt/apt.conf.d/00aptitude
And add the following line at the end of this file:
Acquire::Languages "none";