Computing and Networks

Powering On/Off Juniper SRX320

Always use the graceful method unless absolutely necessary.  i.e don’t just yank the power cord out. Graceful method with physical access to device with no console: Press and immediately release the Power button. The device begins gracefully shutting down the operating system and then powers itself off Graceful method while logged in via terminal or… Continue reading Powering On/Off Juniper SRX320

Computing and Networks

eBay Score of the Century

Continuing on from Storage Clustering….a living research project TL;DR: Saved US$16000, smoking network I’m redoing my home and lab network with the goal of achieving the ability of faster then 10Gb/s connections to and between the storage cluster and computational node cluster.  I was put off by the cost of going 10Gbe (ethernet). What I… Continue reading eBay Score of the Century

Computing and Networks

Kernel patch and compile the Debian/Ubuntu way

Continuing on with my theme of compiling and patching linux kernels a la: Kernel patch and compile the Fedora way A more elegant: Quick and dirty kernel patch and build Here is how I patch and compile new kernels for Ubuntu/Debian distributions. More specifically, create .deb files to be used by the Advanced Packaging Tool… Continue reading Kernel patch and compile the Debian/Ubuntu way

Computing and Networks

A more elegant: Quick and dirty kernel patch and build

Ok,  I’ll keep this short, sweet and generic.  I’ll endeaver to put up a instructions for creating custom kernel packages in .dep and rpm (done and see here “Kernel patch and compile the Fedora way“) format if I find the need to create them. As we have seen, the original/traditional/generic way to install new kernels… Continue reading A more elegant: Quick and dirty kernel patch and build

Computing and Networks

Kernel patch and compile the Fedora way

Compiling a custom kernel in the open source world of Linux is pretty much a given and an underrated privilege.   This can be a simple or convoluted process depending on work flow and technique. Each distribution has a preferred way which tends to result in a nice reusable packaged compatible to specific package management… Continue reading Kernel patch and compile the Fedora way

Computing and Networks

explainshell.com is awesome

Ever come across a complex command line example on the internet and thought “what the hell is doing exactly?” and stated googling, diving into man files and other help systems. Well I came across this site today and putting it out there as a strong recommendation for bookmarking https://explainshell.com/ OK, awesome is over kill.  It… Continue reading explainshell.com is awesome