Not for resale (NFR) license is a license for a product that vendor give to their channel partner for testing and proof of concept purposes with the understanding that the channel partner will use it only for the testing purpose.
A nice article on kubernetes.
Nice article on how to enable and use the sysrq key.
A .tar.gz file is nothing, but a compressed archive. The below URL provides a list of commonly used tar commands.
Clear PageCache only.
# sync; echo 1 > /proc/sys/vm/drop_caches
Clear dentries and inodes.
# sync; echo 2 > /proc/sys/vm/drop_caches
Clear PageCache, dentries and inodes.
# sync; echo 3 > /proc/sys/vm/drop_caches
Article on How to Fix DNS_PROBE_FINISHED_NXDOMAIN.
In my case it was an issue due to the network outage. I checked the LOS and internet LEDs. Found LOS on and internet off. Contacted my Broadcom service provider and they fixed the issue. But initially I was not suspecting my internet and read this article. It was a good information to share.
There is a good user guide on how to build supplementary packages.
Download the below guide