Using Vim to edit Puppet code

# yum -y install vim-enhanced # vi /etc/profile # add at the last line alias vi=’vim’ # source /etc/profile # reload # cat .vimrc ” vimrc: Managed by puppet – DO NOT EDIT ” Changes manually to this file can, and will, be lostset nocompatibleif has(“syntax”) syntax on set background=dark endif if has(“autocmd”) au BufReadPost

Puppet – Custom Facts – Check SAP Oracle version

REMARK – use ***  puppet facts find <servername> –render-as yaml | grep sap_ora Make a custom fact (ruby code) that determins the Oracle version SAP is using. Under  modules tree /modules/<module_name>/lib/oracleversion.rb   Facter.add("sap_oracleversion") do confine :operatingsystem => 'SLES' if Facter.value(:sapprepsids) != nil setcode do result = "none" sapprep_sid = Facter.value(:sapprepsids) first_sid = sapprep_sid.to_s.split(',')[0] second_sid =

Vagrant: use Putty as ssh client

Usually with vagrant ssh <box> a connection to the box can be made via ssh. When putty is preferred as ssh client then this is possible, a vagrant plugin (vagrant-multi-putty) is available for this. just goto the command line and issue this command: vagrant plugin install vagrant-multi-putty Be sure that the putty binary can be

Install Vagrant, Virtualbox and Git to setup a development environment

Based on this below one can setup a virtual development enviroment with vagrant, virtualbox and git. http://www.tjmaher.com/2016/05/setting-up-virtual-dev-environment-with.html This page describes how to do that on a computer with Windows 10. A. Download software: 1. https://git-scm.com/downloads/guis 2. https://www.vagrantup.com/downloads.html 3. https://www.virtualbox.org/wiki/Downloads B. Install software: 1. Install Virtualbox 2. Install Vagrant (reboot is recommended after installation) 3. Install

Puppet – external data – Hiera

Hiera is nothing, but a key value look up tool, which can be ordered and organized nicely without meddling with the actual code. Just give hiera the data that your modules need, and you are ready to go. “Hiera makes your data separate from the module’s, so that the module code remains untouched. This helps

Linux: Check for File System issues

Linux has a command called tune2fs to check and configure File Systems, the option -l does list all the values of the File Sytem related parameters. To avoid issues with File Systems you can read out the value of  Filesystem state , when it states clean all is ok but any other output needs action.

SLES File System(s) turns Read-Only

A VM with SLES 11.4 (64bit) was installed a while ago,  and is used as application server. Everything has been working properly for a while (~1 month), but as of a few days back, some filesystems (/  and /opt)  have turned to read-only (!?). Pretty much every task fails, be it starting vi or even

PowerCli – Check and change Advanced VM settings – disk.enableUUID

Added menu stuff: http://stackoverflow.com/questions/1785474/get-index-of-current-item-in-powershell-loop http://blogs.technet.com/b/heyscriptingguy/archive/2008/06/02/hey-scripting-guy-how-can-i-use-leading-zeroes-when-displaying-a-value-in-windows-powershell.aspx https://www.novell.com/support/kb/doc.php?id=7002966 http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2006865 +++++++++++++ POWERCLI SCRIPT +++++++++++++++ # Autor: AA # Datum: 05.10.15 get-cluster | select Name | sort $CLName = Read-Host “Type the exact name of the Cluster to be checked/set for disk.enableUUID” $vms=get-cluster $CLName | get-vm | where {$_.Guest.OSFullName -match “Linux*” } | sort name $vmscount=($vms).count echo ” ====================================================