Category: English Post (英文帖子)

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[CONTENT] Linux common parameters of /etc/fstab file

/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
)

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[STEP] Linux Audit Log join /var/log/message

Main Content:

Step One: Modify /audit/plugins.d/syslog.conf file

# vim /audit/plugins.d/syslog.conf

Modify part content as follow:

Modify part content as follow:
......
active = no
......

Step Two: Restart auditd Service

# service auditd restart

Reference:

https://access.redhat.com/solutions/637863

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[DEBUG] Linux resolve error code ‘DB version too old ……, expected …… for domain implicit_files!’

Error Code：

# 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!
......

Solution:

Step One: Create /etc/sssd/sssd.conf file

# vim /etc/sssd/sssd.conf

Add follow lines:

[sssd]
enable_files_domain = true

Step Two: Give /etc/sssd/sssd.conf file properly privilege

# chmod 600 /etc/sssd/sssd.conf

Step Three: Restart sssd service

# systemctl restart sssd

Reference:

https://access.redhat.com/solutions/7031304