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I tried updating from 19.10 to 20.04, but in the process I keep getting this warning:
(I translated the message so it might be slightly different)

Insufficient free disk space

The version upgrade has stopped: 1.780 M of free disk space is needed "/ var". Free at least another 1,225 M of space on «/ var». Remove temporary packages from another installation with the "sudo apt clean" command.

I used the command, but after tryig again the space needed didn't change.
This is the space that the folders take in /var displayed with ls -al

drwxr-xr-x 16 root root      4096 mar 11 14:36 .
drwxr-xr-x 20 root root      4096 feb 19 21:57 ..
drwxr-xr-x  2 root root      4096 mag  2 12:24 backups
drwxr-xr-x 18 root root      4096 feb 15 14:42 cache
-rwxrwxrwx  1 root root      2708 mar 11 14:36 .com.zerog.registry.xml
drwxrwsrwt  2 root whoopsie  4096 mag  2 12:46 crash
drwxr-xr-x  2 root root      4096 feb  6 17:54 games
drwxr-xr-x 74 root root      4096 mag  3 21:19 lib
drwxrwsr-x  2 root staff     4096 ott 14  2019 local
lrwxrwxrwx  1 root root         9 dic 25 10:08 lock -> /run/lock
drwxrwxr-x 14 root syslog    4096 mag  3 21:21 log
drwx------  2 root root     16384 dic 25 10:04 lost+found
drwxrwsr-x  2 root mail      4096 ott 17  2019 mail
drwxrwsrwt  2 root whoopsie  4096 ott 17  2019 metrics
drwxr-xr-x  2 root root      4096 ott 17  2019 opt
lrwxrwxrwx  1 root root         4 dic 25 10:08 run -> /run
drwxr-xr-x 17 root root      4096 mag  2 12:45 snap
drwxr-xr-x  7 root root      4096 ott 17  2019 spool
drwxrwxrwt 13 root root      4096 mag  3 21:44 tmp

Output of df -h (without the dev/loops)

File system     Dim.  Used  Avail. Use% Mounted on
udev            1,9G     0    1,9G   0% /dev
tmpfs           385M  2,0M    384M   1% /run
/dev/sda3        14G   12G    2,0G  86% /
tmpfs           1,9G  103M    1,8G   6% /dev/shm
tmpfs           5,0M     0    5,0M   0% /run/lock
tmpfs           1,9G     0    1,9G   0% /sys/fs/cgroup
/dev/sda7        82G   28G     51G  36% /home
/dev/sda6       5,6G   46M    5,3G   1% /tmp
/dev/sda5       5,5G  4,1G    1,1G  79% /var
/dev/sda2       1,9G  137M    1,6G   8% /boot

How can I free up more space?

Thank you for your time

Quazar_omega
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1 Answers1

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The problem can be solved removing some of the heaviest but safe to remove files in /var
Personally I went with /var/log and /var/cache through the use of rm, example:

sudo rm /var/log/* -r

Now there is enough space in /var to continue with the update

Quazar_omega
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  • You should work out why /var is too small. Either you have an error making it fill up /var/log, or the partition for /var is too small. The backside of having a /var partition is that you have to set aside enough disk space for it. – Soren A May 03 '20 at 23:55
  • sda 8:0 0 232,9G 0 disk ├─sda1 8:1 0 237M 0 part /boot/efi ├─sda2 8:2 0 1,9G 0 part /boot ├─sda3 8:3 0 14G 0 part / ├─sda4 8:4 0 5,7G 0 part [SWAP] ├─sda5 8:5 0 5,6G 0 part /var ├─sda6 8:6 0 5,7G 0 part /tmp └─sda7 8:7 0 83,6G 0 part /home
    This are my partitions, I've taken a cue from here     – Quazar_omega May 04 '20 at 00:07
  • You still have a problem with /var partition getting too full, so either that guide (that is 6 years old by the way) doesn't fit you, or there are a problem that makes logs grow more than expected. – Soren A May 04 '20 at 00:30