Time to upgrade $ sudo yum clean all $ sudo yum upgrade $ sudo systemctl reboot Release notes https://blog.centos.org/2018/05/centos-7-5-1804-released/
Summary of steps 1> Update the zone file with the new IP 2> Reload the master zone 3> Force transfer to the slave 4> For good measure , restart the bind service on both the master and slave. Also verify the status of the process on both. “systemctl status named” A. Put a list of
IPV6 test case If we set a static ipv6 and IPV6_AUTOCONF was set to yes. the IPV6_AUTOCONF value will not take affect until we bring down the interface and bring it back up. Performing a network restar will not change the value of IPV6_AUTOCONF.. We have found that after a restart of the network service.
Applications => Utilities => Tweak Tool => Power=> Don’t suspend on lid close => ON From the command line See HandleLidSwitch in /etc/systemd/logind.conf Change HandleLidSwitch to ignore and restart systemctl restart systemd-logind
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