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OpenStack: What is the optimal number of objects per container

by Renich
2016-08-24 17:59:03 +0000

Well, I just had this question and went over to #openstack @ Freenode. There, notmyname (apparently, a moderator or @ps of some kind) answered: 12:20 < notmyname> Renich: I saw you asking questions about swift earlier 12:20 < notmyname> Renich: about object count per container 12:27 < notmyname> Renich: in case you see this later, […]

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Crashing your kernel on purpose

by Renich
2016-02-15 22:20:14 +0000

Ok, that sounds funny, doesn’t it? Well, it turns out, sometimes, you want to test your kernel dump or something of the sorts. Here’s how to do it: echo c > /proc/sysrq-trigger This will, instanly, crash your kernel. References: Todor Tanev from StorPool.

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HowTo: Ask questions in Bash?

by Renich
2015-12-29 19:11:30 +0000

I’ve been writing some script to configure some firewall and came up with this way of asking a question in Bash. I hope it helps as an example. Feel free to contribute your own: #!/usr/bin/env bash ask() { local query=$1 if ( echo $query | grep -qi password ); then read -s -p "$query: " […]

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