Archives

Ansible-Pull
Ansible is an awesome tool for ensuring configuration, but it can be difficult to orchestrate. Ansible-pull is a lightweight solution.
Linux Filesystems
In depth on the FS.
Shell Completion for kubectl
Shell completion makes the command line so much easier.
Raspberry Pi Wifi Bridge
For when you need to share the wifi.
Redirecting Output
Grab stdout and stderr, and tell it where it can go.
Reverse Shell
Fun ways to open a prompt.
Rosetta Stone for Unix
Mapping commands between Unix, Linux and BSD.
How to Backup Ceph Block Storage
Ceph is designed for replication, but what if you just want a traditional back up?
scripts linux
How to Backup Ceph Block Storage
How to Cluster Kubernetes on RHEL 7
Distribute Kubernetes on to multiple Red Hat Enterprise Linux 7 machines!
scripts linux
How to Cluster Kubernetes on RHEL 7
How to Install Kubernetes on RHEL 7
Install Kubernetes on Red Hat Enterprise Linux 7 for Docker awesomeness.
scripts linux
How to Install Kubernetes on RHEL 7
How to Build a Diskless Cluster
Create a truly diskless cluster, provisioned to RAM via PXE boot.
scripts pxe linux
Script to add users to LDAP
Add users to LDAP and configure group memberships via a Bash script.
scripts shell linux
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.
virtualization linux
Howto: Shrink VMWare VMDK Files
Reddit Lessons Learned
Scaling a web service is hard. Here's what Reddit learned from the growing pains.
linux network scalability
Reddit Lessons Learned
Queueing in the Linux Network Stack
An interesting article on Linux network queueing and buffer optimizations.
linux network
Queueing in the Linux Network Stack
Finding Duplicate UIDs
Python script for finding duplicate user IDs on a Linux system.
scripts python linux
Create Linux Spanned Volume
Bash script for finding and creating a spanned volume for ephemeral drives in AWS.
scripts shell linux