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Here’s a list of some useful terminal based network monitoring utilties: https://askubuntu.com/questions/257263/how-to-display-network-traffic-in-the-terminal Best one we have used so far, is BMon. It’s available as: sudo apt install bmon Can be run with: ...

Here’s some commands and such for accessing git from Ubuntu: Use this to mount the bliss.git repository from 192.168.1.211, to /mnt/oga:sudo mount -t cifs //192.168.1.211/oga/bliss.git /mnt/oga -o username=glwhite,noexec This command will clone the above rep...

When the GitHub client SSH key expires, any checked out repository must be updated to use the new key. This is because we embed key properties in its name. And with many active repositories checked out for development, updating each one is tedious and error-...

Base VM Needs Select guest OS type: Linux and Linux 4.x from the Vsphere dropdowns. Make sure the install ISO is mounted, and boot the VM. Once the live terminal is up, determine if the guest VM is efi or not: ls /sys/firmware/efi/efivars If it’s an EFI p...

Here are steps to setup the SSH server on an Ubuntu host. Here's a good reference article for how to do what we're doing here: How to Enable SSH on Ubuntu 20.04 Here are the commands to execute: sudo apt update sudo apt install openssh-server sudo ufw all...

NOTE: This page was created to generalize the technique of impersonating a system account that has no defined shell, and no known password. Specifically, it was documented as a means to add functionality to a Jenkins build server (where the jenkins account has...

If you are running Noctua cooling fans in your PC and the PC is cycling fans up and down, then it’s probably because the motherboard thinks a fan has failed and is ramping them all up to compensate. This is happening because Noctua fans run a lower RPM than o...

Some references: https://www.truenas.com/community/threads/script-hybrid-cpu-hd-fan-zone-controller.46159/ https://www.truenas.com/community/threads/script-to-control-fan-speed-in-response-to-hard-drive-temperatures.41294/ https://forums.servethehome.com/in...

Jenkins Tutorial — Part 5 — When Conditions Conditionals in a Declarative Pipeline Jenkinsfile Jenkins Declarative Pipeline Tutorial Declarative Pipeline With Jenkins - DZone Refcards

Linux has a few means to analyze a disk for space usage. One way, is a package called, ncdu. It can be downloaded with: sudo apt install ncdu You execute it, like this: sudo ncdu -x / NOTE: -x forces it to stay within the same filesystem, and not travers...

Here’s a good article on how to export SSL certificates, extract the key and certificate, and import it into AWS. How To Convert Windows PFX Certificate Files Into PEM Format On Linux The above article uses openSSL, which can be found for Windows, here: Win...

Windows IIS requires a pfx file when importing an SSL certificate. This can be created from a crt and a key file using openssl and the following steps. Locate the openssl.exe on your system. It is usually installed as part of git, and located, here:C:\Progra...

Here are three major points you need to understand about object ownership: Only a superuser or the owner of an object (table, function, procedure, sequence, etc.) can ALTER/DROP the object. Only a superuser or the owner of an object can ALTER the own...

Here are some things to check on when the disk on a docker host gets full sudo docker system prune -a -f This will cleanup other resource types: docker system prune -a This command will remove older logs from the container logs folder: sudo find /projec...

Documentation Open the Network VLANs listing, and add a new entry for the VLAN. Main Switch Config The main switch will need to be updated, so VMs in the new VLAN can reach the router. Log into the main switch at: 192.168.1.20. From the ma...

Here’s a collection of notes and details for the house router setup. Build Software: OpnSense 24.7.4_1 Hardware: Gigabyte H97N-Wifi motherboard Processor: Intel i5-4460 Setup Base setup was done following this article: https://homenetworkguy.com/how-to/s...

Setting the Host Name Get the current hostname with this:  hostnamectl To set it, use this: sudo hostnamectl set-hostname new-hostname (replace new-hostname) Once set, confirm it with the previous command. Now, you need to update the hostname in your h...

Remote Access For accessing the postgres database from outside the host or from a docker container on the host, you must setup the Postgres instance to listen on a network adapter other than localhost. To do this, locate the postgresql.conf file in: /etc/pos...

Here are some useful commands when running a GPS-disciplined NTP server. NTPQ When running a query of an ntp server, you would use: ntpq -p.What you see is this:ntpq -pn Here’s an explanation: REMOTE = The servers and peers specified in the configuration...

If you’re trying to export all the RDL, data sources, gif, and other files of a set of reports, but the SSRS web portal is inaccessible, this method will pull them from the report engine database back-end. Taken from here: Export of SSRS reports datasources a...