check df -h
[root@server Downloads]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 5.7G 0 5.7G 0% /dev
tmpfs 5.7G 4.0K 5.7G 1% /dev/shm
tmpfs 5.7G 17M 5.7G 1% /run
tmpfs 5.7G 0 5.7G 0% /sys/fs/cgroup
/dev/vda1 94G 17G 78G 18% /
tmpfs 1.2G 0 1.2G 0% /run/user/0
here disk is /dev/vda1
mount -o remount,rw /dev/vda1 /
then type vi /etc/fstab
#
# /etc/fstab
# Created by anaconda on Fri Oct 5 16:05:21 2018
#
# Accessible filesystems, by reference, are maintained under ‘/dev/disk’
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
UUID=de86ba8a-914b-4104-9fd8-f9de800452ea / xfs defaults,usrquota,grpquota,usrjquota=aquota.user,grpjquota=aquota.group,jqfmt=vfsv0 0 0
/swapfile swap swap sw 0 0
~
~
remove after defaults everything and save
#
# /etc/fstab
# Created by anaconda on Fri Oct 5 16:05:21 2018
#
# Accessible filesystems, by reference, are maintained under ‘/dev/disk’
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
UUID=de86ba8a-914b-4104-9fd8-f9de800452ea / xfs defaults 0 0
/swapfile swap swap sw 0 0