May 19, 2018
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/
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Category Archives: Linux Maintenance
May 01, 2018
Found some interesting commands to free up some virtual memory without a reboot. I did not think the command will work so i ran a test in the lab and sure enough. It works like a charm. just so you can see real time stats sync; echo 1 > /proc/sys/vm/drop_caches To clear inodes sync; echo
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March 08, 2018
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.
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February 24, 2018
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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