Centos 7 directory Layout Change

/Bin transfer to/usr/bin;/sbin transfer to/usr/sbin;/lib transfer to/usr/lib;/lib64 transfer to/usr/lib64.

/Var/run connects to/run;/var/lock connects to/run/lock.

Temporary Folder/tmp is the space virtualized by the memory (tmpfs type), and systemctl enable/disable TMP. Mount is enabled or disabled.

Privileged processes, such as background services, are stored in/run/Processname;

The temporary process file is large. You need to put the files that can be retrieved after the server is restarted in/var/tmp.

In other cases, put it in/tmp.

The local configuration is transferred from/etc/sysconfig/i18n to/etc/locale. conf and/etc/vconsole. conf.

Hostname is configured with/etc/sysconfig/network transfer to/etc/hostname.

About disk partitions:

Check unallocated disk spaceParted.

Check empty partitions or delete partitionsLsblk.