Ubuntu just printed the message "Partition "/" almost full. 600MB remaining"
I am running Ubuntu 15.04
I have checked the root partition a few times since that occurred and it was filling up more and more... right now I have 0 bytes free space on it...
My root partition is 15GB in size, and before I created it I googled what a good size was (I'm new to linux) and I read 15GB was more than enough.
apt-get clean got me some free disk space, but that immediately piled up again :/
I read on another question that there was a bug with apt and that the solution was to manually update it, problem is I cannot download that updated version because /tmp is full...

I checked the disk with Baobab, and identified these as the biggest folders:

  • usr 8.1GB
    • lib 5GB
    • share 2.2GB
  • var 3GB
    • log 1.7GB (syslog file is 1.7GB, all other are a few kb)

I am pretty sure there is something wrong here (especially with that log folder), what can I do about it?
Or should I just enlargen my root partition? and if yes, how do I do that?

  • It is something wrong. Something is filling your root. But is there a reason to have a separate /boot partition? – Pilot6 Jul 19 '15 at 17:05
  • imgur.com/sIUDwSi Those are my partitions, I have /boot seperate from / and /home I have the root partition seperate because it only holds the system (right?) so that I could switch to another version of linux at any time without losing my files. – CAPTN CAPS Jul 19 '15 at 17:12
  • I just found that the syslog file is so big because all output from a console application I made in Kdevelop was saved in there, and I ran that quite a few times today, so that explains why the file 2GB in size... still, I don't think it should do that, any help? – CAPTN CAPS Jul 19 '15 at 17:25
  • possible duplicate of Root filling up although it should have some space – Pilot6 Jul 19 '15 at 17:27

I found the reason it was piling up:
I had developed a console application and because I am still used to windows started the binary via double click and expected it to open up in the terminal, instead it started writing 50Mb/s to the syslog file...

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