19 August 2010
By dopefish
In Internet Stuff, Tech
This little script takes an IP or hostname as a parameter, and if there is an offending key in the .ssh/known_hosts it removes it and replaces it with the current valid one useful if you are moving/reinstalling a large amount of servers …
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#!/bin/bash
#===============================================================================
# FILE: ssh-cleankey.sh
# USAGE: ./ssh-cleankey.sh
#
# DESCRIPTION: deletes stale ssh known_hosts [...]
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bash
10 August 2010
By dopefish
In Tech
This is more a reminder to myself than anything else … this is small snippet that takes a list of IPs and does a whois on all that aren’t in a RBL
Lets say we have al list of IPs in a file “iplist.txt”:
12.172.121.171
24.149.208.68
38.105.100.9
58.185.207.86
61.201.51.66
64.78.164.169
Snippet that checks the IPs (can of course be easily changed to check [...]
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bash
08 August 2010
By dopefish
In Me
We did a bit of hiking through the forest to castle ruins yesterday, here are the pictures …
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castle ruins, hiking, photography
05 August 2010
By dopefish
In Programming
Since the implementation of Arrays in Bash is somewhat lacking compared to higher level programming languages (only one-dimensional), and hash lists require a bit of work to set up, you may run into a situation where you have a small list of key/value pairs that are both variable and you need to store.
There are various [...]
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bash
04 August 2010
By dopefish
In Internet Stuff, Tech
The hard drive crash threw me offline a few days due to strange problems with software raids, Xen and acpi. Turns out that using the latest Xen kernel from debian testing branch on a software raid only works of you don’t set “acpi=off” as a kernel parameter. If acpi is turned off, the script “scripts/local-top/mdadm” [...]
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acpi, linux, md, raid, xen
