Accidentally unmounted dev devpts sys or proc remounting — /dev, /dev/pts, /sys, /proc mounting
If you accidentally unmounted the following tmpfs on /dev type tmpfs (rw,noatime,nodiratime,size=10240k,mode=755) devpts on /dev/pts type devpts (rw,noatime,nodiratime,mode=600) /dev/md0 on / type btrfs (rw,noatime,nodiratime,nospace_cache) proc on /proc type proc (rw,nosuid,nodev,noexec,noatime,nodiratime) sysfs onRead More…