My machine which OS is
CentOS7 have to backup 50G data into MySQL. But, there is no space left on the device. But there are many spaces on
/home. How can I make user that there are enough space for MySQL to store data. I think there is no space in
/dev/mapper/centos-root, how can I move space to from
$ df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root 50G 50G 20K 100% / devtmpfs 7.8G 0 7.8G 0% /dev tmpfs 7.8G 84K 7.8G 1% /dev/shm tmpfs 7.8G 2.6G 5.2G 34% /run tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup /dev/mapper/centos-home 500G 20G 480G 4% /home /dev/sda1 497M 241M 257M 49% /boot tmpfs 1.6G 16K 1.6G 1% /run/user/42 tmpfs 1.6G 0 1.6G 0% /run/user/0 tmpfs 1.6G 4.0K 1.6G 1% /run/user/1000
g++ compile code failed.
$ g++ test.cpp Cannot create temporary file in /tmp/: No space left on device  6642 abort (core dumped) g++ test.cpp