Another option that might help you find out what is using up space is ncdu Install it with:

sudo apt-get install ncdu

If you still can’t find anything, try running:

lsof / | grep deleted

Sometimes if a file is deleted while it is opened by a process, it will not actually free up the disk space until the process is ended. This command will show if there are any files in that state.

Googled and found this question which had the same problem.

@TonyTsang That command helped me find what it was

Apparently it was a hidden log folder set by pm2.

outside of other answers here what I did was:

navigate through subfolders with ncdu and finding large folders. Among them one can delete:

/var/logs
https://bbs.archlinux.org/viewtopic.php?id=158510 // /var/logs/journal
http://askubuntu.com/questions/100004/how-can-i-free-space-from-a-massive-39-5gb-var-log-folder // other already archived (GZ-ipped) files;

and compress .git folders of projects by shrinking them with this command: git repack -a -d --depth=250 --window=250
http://stackoverflow.com/questions/5613345/how-to-shrink-the-git-folder

Hi @BreizhoO
I thought it wasn’t related to my code, I thought it might be a server problem that create new partition. Apparently I’m wrong, that /dv/vda1 / is the main partition, only this time filled with some huge files, the log files.

First, stop any queue or running cron job as it might be the cause your log files is full.
I solve this by removing some log files that keeps building up when there’s an error, and that error was caused by a failed job queue which is keep repeating (keep trying to run the job) and store an error log line everytime it runs. I wasn’t aware until my disk was full and got a notification from newrelic.

You can follow my instructions there. Imagine you’re going into a room and check the content of each room. :) Basically I’m just trying to find which dir is it. That’s why I’m starting from the very top.
Go to root dir by cd /
List dirs and files: ls so you can go to each one of it.
Example results:

/usr
/var
/lib
/home
/dev
...

And do du -h [dir] for each of them:

du -h /usr
du -h /var
...
du -h /home <-- suspicious, contains couple of GBs of size

From each one of it see which one is suspicious (with largest dir size), that’s why I said mine was on /home
Then I’m doing cd /home, do the same from here: ls, do du -h /home/vagrant
Then I’m doing cd /home/vagrant, do the same from here: ls, do du -h /home/vagrant/mylaravelproject
Then I’m doing cd /home/vagrant/mylaravelproject, do the same from here: ls, do du -h /home/vagrant/mylaravelproject/storage
Then I’m doing cd /home/vagrant/mylaravelproject/storage, do the same from here: ls, do du -h /home/vagrant/mylaravelproject/storage/logs
Until you finally sure that directory was the culprit.
For me it was on /home/vagrant/mylaravelproject/storage/logs
On that /logs dir there was a huge 8 to 15gb of log files X_x
I remove it.. and voila!

Does it makes sense? Some people here might have better way of finding it though.

Thank you for responding.

ncdu shows only the disk usage under /home, apparent size 922.3MiB

lsof / | grep deleted shows 8 files of about 4K each.

df -h is still showing

Filesystem Size Used Avail Use% Mounted on
/dev/vda1 40G 38G 0 100% /
none 4.0K 0 4.0K 0% /sys/fs/cgroup
udev 991M 8.0K 991M 1% /dev
tmpfs 201M 380K 200M 1% /run
none 5.0M 0 5.0M 0% /run/lock
none 1001M 0 1001M 0% /run/shm
none 100M 0 100M 0% /run/user

Something is still in /dev/vda1 for 38G that i cannot find

I think you should run ncdu against root directory

sudo ncdu /

Used ncdu / to check what was using the pace, apparently like 15Gb of mail logs.

I deleted them to clear space, and a day later I got 700Mb log of mail. Considering I’m only hosting 2 wordpress blogs, seems like I got some spam issue going on :((

I’ll open another thread for this, because I have no idea how to solve it.

this solved it for me http://jarrodoverson.com/blog/overflow-filesystem-in-linux/

I have experienced it too. After upgrading to Windows 10, disk space always goes to 100%, I thought its because of the printer, I also took advice from HP Printer Support, but it still persists.

Its usually because log file
If you’re looking for large files… Here (run as root). This will give you your top 40 biggest files:

find / -type f  -size +10000k -exec ls -lh {} \; | awk '{print $5 ": " $9}' | sort -nr | head -n 40

Source: https://ubuntuforums.org/showthread.php?t=2262783

I found a number of log files that I think (although I’m not sure 100%) that I can delete.
But how do I do this? What is the command to clear all log files in a certain directory
Or what is the command to delete a single file?
And what is the command to download that specific file should I want to because I’m not 100% sure I can delete it.

thanks!

How I solved it:

1. Use Filezilla, search for file, Filesize greater “100000000” (shows files larger than 100 MB).
2. Found the file ibtmp1 with 48 GB.
3. Solved it with: ibtmp1 https://stackoverflow.com/q/41216630/1066234 and https://www.rmtweb.co.uk/mysql-ibtmp1-file-grows-exponentially

Hope that helps.

I had the exact same issue. I am running a laravel app on a linux instance. The app performs a lot of DB queries and I found that the mysql binlogs were eating up the disk space - almost 1GB each.

To fix:

SSH onto the server
cd back to the root directory
run sudo du -h --max-depth=1 -x to show which directory is consuming space
cd down to var/lib/mysql
run PURGE BINARY LOGS TO 'mysql-bin.000100';

That will clear out the bin logs. If you want a longer term solution, consider only retaining a few days of logs as explained here