JJ jairojunior

Some books I've been studying to improve my skills as a SRE/System Engineer.

Verificações importantes

Verificações importantes
Crachás

Find the original here article here: Devops Best Practices

DevOps started out as "Agile Systems Administration". In 2008, at the Agile Conference in Toronto, Andrew Shafer posted an offer to moderate an ad hoc "Birds of a Feather" meeting to discuss the topic of "Agile Infrastructure". Only one person showed up to discuss the topic: Patrick Debois. Their discussions and sharing of ideas with others advanced the concept of "agile systems administration". Debois and Shafer formed an Agile Systems Administrator group on Google, with limited success. Patrick Debois did a presentation called "Infrastructure and Operations" addressing

Openshift Network Sizing

Parameters on inventory [OSE3:vars]

osm_host_subnet_length

This variable specifies the size of the per host subnet allocated for pod IPs by OpenShift Container Platform SDN. Defaults to 9 which means that a subnet of size /23 is allocated to each host; for example, given the default 10.128.0.0/14 cluster network, this will allocate 10.128.0.0/23, 10.128.2.0/23, 10.128.4.0/23, and so on. This cannot be re-configured after deployment.

osm_cluster_network_cidr

	run this in .m2 files
	it lists all the corrupted jar files in the repository


	find /home/me/.m2/repository/ -name "*jar" \| xargs -L 1 zip -T \| grep error \| grep invalid



	To resolve them , delete them first and re run the build or run

	---
	name: update_puppetserver
	version: "1.0.0"
	author: R.I.Pienaar <rip@devco.net>
	description: Safely upgrades Puppet Server
	run_as: choria=rip.mcollective
	loglevel: info

	tags:
	- puppet

	[OSEv3:children]
	masters
	nodes
	etcd
	glusterfs

	[OSEv3:vars]
	ansible_ssh_user=ec2-user
	ansible_become=true