Error information:

Failed to start Install ABRT coredump hook
Failed to start Login Service

Solution:

Use the U disk system, enter the system files, find the server’s hard disk, create a new folder new (if you don’t have permission, use sudo MKDIR new), mount the files to new mount/dev/mapper/CentOS root new , enter new, modify the config file VI etc/SELinux/config , and change SELinux = enforcing to SELinux = disable , Save the file and restart

[root@ny01 ~]# vi /etc/selinux/config 

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=disable
# SELINUXTYPE= can take one of three values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted