Category Archives: Infrastructure

Deploying Kerberos based SSO

Pre-requisites Kerberos Domain Controller (KDC) User accounts in the KDC KDC based logins To make sure that this is working, login to your workstation using your kerberos password and use the command: klist This should show your principals assigned to … Continue reading

Posted in Infrastructure | Tagged , , , , , | Leave a comment

Let’s Encrypt

This is a service that let’s you get SSL certificates for HTTPS. These certificates are trusted by major browsers. See Let’s Encrypt This is a barebones howto to get SSL certificates: git clone https://github.com/letsencrypt/letsencrypt cd letsencrypt This contains the client … Continue reading

Posted in Infrastructure | Tagged , , , , | Leave a comment

Centos7/RHEL7 FirewallD — the least you need to know

This post is just a simple hints-tips to get something going with FirewallD without going into too much detail. Checking if you are using firewalld: firewall-cmd –state Check your zones (needed later when opening ports): firewall-cmd –get-default-zone firewall-cmd –get-active-zones Checking … Continue reading

Posted in Infrastructure | Tagged , , , , , , , , | Leave a comment

Off site backup options

Off site backup options | 0ink.net Still trying to figure out where to keep Offsite backups. These are the candidates: Site Free Quota 100GB/Yr Notes AltDrive 30 day USD 45 Unlimited, Linux binary iDrive 5GB USD 6 Starts at 1TB, … Continue reading

Posted in Infrastructure | Tagged , | Leave a comment

OpenWRT web

uHTTPd Embedded Lua uHTTPd supports running Lua in-process, which can speed up Lua CGI scripts. It is unclear whether LuCI supports running in this embedded interpreter. LuCI seems to work fine (if not better) with the embedded Lua interpreter. [email protected]:~# … Continue reading

Posted in Infrastructure | Tagged , , , | Leave a comment

Remote Bridging

Connecting Two Remote Local Networks With Transparent Bridging Technique Sometimes we need to connect two or more geographically distrubuted ethernet networks to one broadcast domain. There can be two different office networks of some company which uses smb protocol partially … Continue reading

Posted in Infrastructure | Tagged , , | Leave a comment

Network wiring notes – 8P8C / RJ45

What you were probably looking forT568A/B (10-BASE-T and 100-BASE-TX): With pin positions are counted from left to right with the contacts facing you (clip on the back) and pointing up (cable coming out the bottom): Color (568B) Pin Color(568A) Orange-white … Continue reading

Posted in Infrastructure | Tagged , , | Leave a comment