Category: SysAdmin

Networking Server SysAdmin Virtualization

VPS Private Networks

I realized that I should probably take a moment to demonstrate private networks at VPS providers such as Linode and Digital Ocean, so I made a video.

Tags digital ocean, firewall, linode, pfsense, private networks, rfc 1918, shoehorn, virtual servers, vpc, vps

Software SysAdmin

Setting NIC IP addresses as environment variables

Post author By Louis T. Getterman IV
Post date 2018-01-20
No Comments on Setting NIC IP addresses as environment variables

An easy and reliable method for applying your NIC IP addresses to your environment and scripts.

Tags address, bash, environment, ip, network, nic, script, shell, update, variables, zsh

DevOps SysAdmin

Hooking FreeDNS to Linux network states

Post author By Louis T. Getterman IV
Post date 2017-12-30
No Comments on Hooking FreeDNS to Linux network states

Update your FreeDNS Dynamic DNS record when your network state changes.

Tags bash, ddns, dns, dynamic, event, nic, script, state, trigger

Hardware SysAdmin

I bricked my new SG-2440 firewall

Post author By Louis T. Getterman IV
Post date 2015-11-17
No Comments on I bricked my new SG-2440 firewall

How to restore a Netgate SG-2440 pfSense firewall with the serial port.

Tags bricked, firewall, pfsense, restore, serial, sg-2440, uart, usb