When using Gnocchi, if you have data thats stored in antiquated Farenheit format and need to convert into something modern day humans can use you can use Gnocchi's built in ability to perform 'operations' https://gnocchi.osci.io/rest.html#math-operations Assuming the formula to convert is TempC=(TempF-32)/1.8 then …

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1#!/bin/bash 2################################################################################## 3# This script is used for synchronizing the RBDs (Rados Block Devices) between a 4# production Ceph cluster and a backup Ceph cluster. It checks whether the images exist in 5# the remote pool and creates them if not. It …

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1echo "deb http://downloads.linux.hpe.com/SDR/repo/mcp stretch/current non-free" > /etc/apt/sources.list.d/hp-mcp.list 2 3wget -q -O - http://downloads.linux.hpe.com/SDR/hpPublicKey1024.pub | apt-key add - 4wget -q -O - http://downloads.linux.hpe.com/SDR/hpPublicKey2048.pub | apt-key add - 5wget -q -O - …

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This script is a work in progress, fell free to reach out to me if you have any improvements. The idea is to leverage Ceph's snap differential export feature and Copy-On-Write snapshots\layers to allow for quick and easy snaps and exports of running VM volumes from one cluster to another. The obvious disclaimer about …

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I had a requirement to move all of our code repos from multiple Gitlab projects to a self hosted Gitea instance I wrote the following script that uses the Gitlab API to pull a list of repos for a given 'Group', clones them all into a matching local folder then connects to the Gitea servers, creates the Repo(It just …

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Linux Sync Buffer Progress Monitoring (E.G. For Copy To USB) On my Linux system (Linux Mint), if I copy a huge file to an USB stick, then I always type “sync” in a shell command line to make sure all buffers are flushed to the USB stick before I eject the USB stick. This writing of the buffers can take quite a while …

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A quick reminder to myself, this is how you configure RabbitMQ to mirror all queue's to all nodes 1rabbitmqctl set_policy HA '^(.*)' '{"ha-mode": "all"}'

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1 - Set ulimit flag when running docker container docker run -it --ulimit nofile=4096 memcached 2 - Start memcached with the conn-limit flag which ideally is inherited from 'ulimit -n' 3 - Check your config per screnshot Example memcahed start script 1#!/bin/sh 2# Memcached will run as a process under the memcache …

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I came a cross this neat little script to lock down IPtables to allow ONLY SSH in, block everything else 1#!/bin/bash 2# Flushing all rules 3iptables -F 4iptables -X 5# Setting default filter policy 6iptables -P INPUT DROP 7iptables -P OUTPUT ACCEPT 8iptables -P FORWARD DROP 9# Allow unlimited traffic on loopback …

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Get info about a web server cert openssl s_client -showcerts -connect registry.nexgen-poc.lan:5010 </dev/null Validate a crt against a CA crt openssl verify -CAfile rootCA.crt registry.nexgen-poc.lan.crt Thanks @Deep for spotting the error!

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