> df -h
df: cannot read table of mounted file systems: Permission deniedIf we are in this situation, after we use top command, we can see follow promotion
> top
Error, do this: mount -t proc proc /proc# mount -t proc proc /proc# chmod 644 resolv.conf
chmod: changing permissions of 'resolv.conf': Operation not permittedThis file is locked by chattr command# chattr -i /etc/resolv.conf# chmod 644 resolv.conf# chattr +i /etc/resolv.conf/dev/vg/lv_var /var xfs nodev,nosuid,noexec 0 0
/dev/vg/lv_var_log /var/log xfs nodev,nosuid,noexec,x-systemd.requires-mounts-for=/var 0 0(
Add:
1) nodev parameter here means this directory can not be interpreted by devices or blocks
2) nosuid parameter here means no setuid files can be created in this directory
3) noexec parameter here means no files can be executed in this directory
4) x-systemd.requires-mounts-for=/var here parameter means /var/log directory can not be mounted until /var directory has been mounted
)
# vim /audit/plugins.d/syslog.confModify part content as follow:
Modify part content as follow:
......
active = no
......# service auditd restarthttps://access.redhat.com/solutions/637863
# useradd <account name>
DB version too old ......, expected ...... for domain implicit_files!
......Or:
# chage -l <user name>
DB version too old ......, expected ...... for domain implicit_files!
......# vim /etc/sssd/sssd.confAdd follow lines:
[sssd]
enable_files_domain = true# chmod 600 /etc/sssd/sssd.conf# systemctl restart sssdhttps://access.redhat.com/solutions/7031304