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Tag Archives: rackspace

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Technology Insights

RackSpace Cloud DNS Round Robin DNS A Records

InsightsBy alexJanuary 9, 2013Leave a comment

I typically use Amazon’s AWS EC2 cloud services which include Route53 for DNS however I have certain clients that prefer RackSpace and therefore require RackSpace Cloud DNS services. One of the primary reasons for not just using an external DNS service such as Amazon’s Route53 DNS service is because when you setup large cloud deployments…

Technology Errors

RightScale Stop Recipe From Being Used In RightScript, GIT /tmp/ssh.key.sh

ErrorsBy alexDecember 6, 2012Leave a comment

If you have created a custom RightScript in the RightScale interface that uses git to clone a repository and you are running that RightScript on boot following the RightScale git_repo recipe then you likely are having issues. The problem appears to stem from the fact that the environment variables are not completely cleaned up as…

Technology Insights

List RackSpace Cloud DNS Record ID For Specific Domain

InsightsBy alexNovember 20, 2012Leave a comment

Recently I was looking to obtain a couple specific DNS record ID’s for domains with DNS hosted in the RackSpace Cloud so I could use the information to interact with RackSpace Instances through RightScale. Various RightScale ServerTemplates such as the MySQL Cluster ServerTemplates require you to enter the exact DNS record ID as RightScale Inputs…

Code Snippets

RightScale RightScript To Add SSH Users To Linux Nodes On Boot

Code SnippetsBy alexJune 17, 20126 Comments

The below code snippet was used to add SSH users to RackSpace cloud CentOS Linux nodes being used as application servers and managed via RightScale. The SSH users were required during a testing phase so they could look through logs and make modifications to specific configuration files, etc. There are three things that have to…

Code Snippets

Restart Services On RackSpace Managed Nodes That Require sudo Rights

Code SnippetsBy alexJune 16, 2012Leave a comment

Recently I was working on a project that was using RightScale to manage RackSpace cloud nodes. One of the requirements of the project was to have application nodes scale automatically thus they were required to automatically install software, configure settings, and start services automatically on the RackSpace CentOS nodes being used. Most everything was fairly…

Code Snippets

RightScale RightScript To Update CentOS iptables Rules On RackSpace Node

Code SnippetsBy alexJune 15, 2012Leave a comment

Recently while working on some node or instance automation using RightScale I needed to have some extra iptables rules created automatically when a new node booted. Initially I was just trying to do this via iptables commands which I note below but it would never work. After digging through the logs I realized that the…

Code Snippets

Represent A Tab When Using sed Find/Replace

Code SnippetsBy alexJune 10, 2012Leave a comment

The other day I needed to create a RightScript shell script that would update a couple configuration files on a server that was being launched in the RackSpace Cloud via RightScale. I decided to use SED to find and replace content within the configuration files. The first pass at the script failed because what I…

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