datacustodian

Fix VM Date Time Settings

sudo date -s "$(wget -qSO- --max-redirect=0 google.com 2>&1 | grep Date: | head -1 | cut -d' ' -f5-8)Z"

datacustodian

Change Windows Domain Password From Linux Command Line

Install cifs-utils package

sudo apt install cifs-utils

Use smbpasswd command to change password

smbpasswd -r WINDOWS_DOMAIN_CONTROLLER_ADDRESS -U firstname.lastname

datacustodian

Split File by Pattern

awk '/MY_PATTERN/{i++}{print > "output."i".txt}' input.txt

datacustodian

Nmap Host Discovery

https://nmap.org/book/man-host-discovery.html

List all hosts in the subnet:

sudo nmap -PR -sn 192.168.0.0/24

datacustodian

LaTeX on Ubuntu

There are several ways to compose LaTeX documents in Ubuntu. The easiest way is probably using TeXStudio.

sudo apt install texlive texlive-xetex texstudio

If you need additional (all) packages, do:

sudo apt install texlive-full

datacustodian

Ubuntu Link Aggregation

https://help.ubuntu.com/community/UbuntuBonding

Install ifenslave

sudo apt install ifenslave

/etc/network/interfaces For Static IP

datacustodian

CentOS Minimal Post-Installation Steps

CentOS Minimal Distro is a good starting point for deploying a bare-bones no-frills server. However, CentOS Minimal lacks some commonly used Linux packages. This guide covers a couple Linux packages that are nice to have in a server deployment.

All steps are optional.

For clarity and ease of use, we execute these commands as the root user.

Become Root User

datacustodian

Ubuntu Desktop For Software Development

Desktop Goodies

Please refer to Ubuntu Desktop Post-Installation Steps

Time Synchronization

https://www.digitalocean.com/community/tutorials/how-to-set-up-time-synchronization-on-ubuntu-16-04

datacustodian

Fix Server SSH Key Change

If a server you connected to previously using SSH has changed its server SSH key, you will receive a warning message about possible (man-in-the-middle) MITM attack. When you have verified that the server SSH key has indeed changed, you can use the ssh-keygen command to fix settings in your known_hosts file.

ssh-keygen -R SERVER_NAME_OR_IP

Selected options from the ssh-keygen man page:

-F hostname >

datacustodian

OpenVPN on Chromebook Crouton

We can run Linux on Chromebook using Chrombook Crouton:

https://gist.github.com/datacustodian/7e7b04d15cfec149b11bd263c98b270a

It would be nice to use OpenVPN:

https://openvpn.net/