Ubuntu: How to clean /var/cache?



Question:

When I woke up this morning, I found my root had filled overnight

du -hx --max-depth=1 /    132M    /boot    4.0K    /media    16K /lost+found    16M /root    702M    /lib    4.0K    /OLDHOME    8.2G    /usr    73M /etc    4.0K    /srv    11M /sbin    4.0K    /selinux    8.0K    /.config    4.0K    /cdrom    4.6G    /var    181M    /opt    4.0K    /mnt    9.3M    /bin    4.0K    /lib64    14G /    

The space is used by /var/cache/polipo (2.7G). How can I clean this up safely?
I tried restarts=>didn't work
Used bleachbit=>the space is not detected in the cleanup preview

PS: I did rm -rf youtube inside /var/cache/polipo and it freed up 2G space. Dunno if it was safe though


Solution:1

Method 1:

sudo apt-get autoclean  sudo apt-get autoremove  

Method 2:

Launch your bleachbit as root user : no space in disk; sudo apt-get clean not working


Solution:2

Try cleaning ubuntu unnecesarry files using bleachbit. It is a tool that will help you clean your cache, temp files, cookies and it has other features also...

To install it:

sudo apt-get install bleachbit  


Solution:3

Polipo, a web caching program may store a lot of data in an on-disk cache.

One way to clear this up is to issue the command sudo polipo -x - this will cause polipo to clear the local disk cache.


Solution:4

The most powerful of all commands to clean the cache for command line users is of course

sudo apt clean

Which will also delete all the cached files.


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