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How-to expand BlueFS DB device of Ceph Bluestore OSD

RocksDB size expanding



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SATA bus vdsm-hook for oVirt

Special for very old kernel



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Get all ipv4 public addresses from ansible facts

Simple way to get actual facts



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DELL PowerEdge G13 excessive fan speed

Fan work on 87%, always



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DELL iDRAC8 wildcard certificate install

How-to install valid wildcard certificate.



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md raid5: no valid superblock, but mdadm --examine says everything is fine

Strange issue on Linux 4.8.8.



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Connect Confluence page to MySQL via Groovy

How-to connect from Groovy to MySQL



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Minicom "break" sequence to Cisco device

I was trying to reset a password that I had forgotten on a Cisco 877.



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Purge trash on all spaces in Confluence instance

Groovy script



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Conntrack DNAT states

?Useful example?



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