Linux

How to Backup Ceph Block Storage

Ceph is designed for replication, but what if you just want a traditional back up?
How to Cluster Kubernetes on RHEL 7

Distribute Kubernetes on to multiple Red Hat Enterprise Linux 7 machines!
How to Install Kubernetes on RHEL 7

Install Kubernetes on Red Hat Enterprise Linux 7 for Docker awesomeness.
How to Build a Diskless Cluster

Create a truly diskless cluster, provisioned to RAM via PXE boot.
Script to add users to LDAP

Add users to LDAP and configure group memberships via a Bash script.
Howto: Shrink VMWare VMDK Files

Virtual machine images tend to grow over time, causing exported machine images to be unnecessarily large. Here’s how to remove the excess baggage.
Reddit Lessons Learned

Scaling a web service is hard. Here's what Reddit learned from the growing pains.
Queueing in the Linux Network Stack

An interesting article on Linux network queueing and buffer optimizations.
Finding Duplicate UIDs

Python script for finding duplicate user IDs on a Linux system.
Create Linux Spanned Volume

Bash script for finding and creating a spanned volume for ephemeral drives in AWS.