OS: Ubuntu Linux 20.04.2, Webmin: 1.973, Virtualmin: 6.16
My Virtualmin dashboard suddenly displayed the following error message when I try to access the main system panel as well as other parts of the dashboard:
Failed to open /var/webmin/modules/package-updates/current.cache for writing : No space left on device
The error disappeared and the panel is displayed normally again after I logged out and logged in (multiple times) to Virtualmin.
The server was just set up and there is nothing on it other than one virtual server with a new WordPress site that I installed to test PHP.
I’m worried that it might pop up again when the server has production sites later on so would like to fix this beforehand.
What could be causing the error and how can I fix it?
Running df -h
returns the following:
Filesystem Size Used Avail Use% Mounted on
/dev/ploop23338p1 30G 3.9G 25G 14% /
none 512M 0 512M 0% /sys/fs/cgroup
none 512M 0 512M 0% /dev
tmpfs 512M 0 512M 0% /dev/shm
tmpfs 103M 2.1M 101M 3% /run
tmpfs 5.0M 0 5.0M 0% /run/lock
none 512M 0 512M 0% /run/shm
tmpfs 103M 0 103M 0% /run/user/1002
tmpfs 103M 0 103M 0% /run/user/1003
tmpfs 103M 0 103M 0% /run/user/1000
tmpfs 103M 0 103M 0% /run/user/1004
tmpfs 103M 0 103M 0% /run/user/1008
tmpfs 103M 0 103M 0% /run/user/1006
tmpfs 103M 0 103M 0% /run/user/0
And running mount
returns the following:
/dev/ploop23338p1 on / type ext4 (rw,relatime,data=ordered,balloon_ino=12,jqfmt=vfsv1,usrjquota=aquota.user,grpjquota=aquota.group)
none on /sys type sysfs (rw,relatime)
none on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_prio,net_cls)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,name=systemd)
proc on /proc type proc (rw,relatime)
none on /dev type devtmpfs (rw,nosuid,mode=755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,nodev,size=104860k,mode=755)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=28,pipe_ino=600393980,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=600393980)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,nosuid,nodev,noexec,relatime)
none on /run/shm type tmpfs (rw,relatime)
tmpfs on /run/user/1002 type tmpfs (rw,nosuid,nodev,relatime,size=104856k,mode=700,uid=1002,gid=1002)
tmpfs on /run/user/1003 type tmpfs (rw,nosuid,nodev,relatime,size=104856k,mode=700,uid=1003,gid=1003)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=104856k,mode=700,uid=1000,gid=1000)
tmpfs on /run/user/1004 type tmpfs (rw,nosuid,nodev,relatime,size=104856k,mode=700,uid=1004,gid=1004)
tmpfs on /run/user/1008 type tmpfs (rw,nosuid,nodev,relatime,size=104856k,mode=700,uid=1008,gid=1006)
tmpfs on /run/user/1006 type tmpfs (rw,nosuid,nodev,relatime,size=104856k,mode=700,uid=1006,gid=1005)
tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,size=104856k,mode=700)