cmbaughman

#!/usr/bin/bash

sudo apt-mark auto $(apt-mark showmanual | grep -E "^linux-([[:alpha:]]+-)+[[:digit:].]+-[^-]+(|-.+)$")

cmbaughman

Installing the latest Firefox Developer Edition on Linux

Prerequisites

You need to have the application curl installed. Most Linux distros will already have it included. However, you may need to run either:

Fedora/RedHat

$ sudo dnf -y install curl

cmbaughman

#!/bin/bash

sudo apt install sssd heimdal-clients msktutil

sudo mv /etc/krb5.conf /etc/krb5.conf.default

COMP=$HOSTNAME

read -p 'What is the domain name? (example: URLFINANCIAL without the .local) ' DOMAIN
LCASEDOMAIN=`echo "$DOMAIN" | tr '[:upper:]' '[:lower:]'`

cmbaughman

FROM ubuntu:latest
 
RUN apt-get update \
  && apt-get install -y python3-pip python3-dev \
  && cd /usr/local/bin \
  && ln -s /usr/bin/python3 python \
  && pip3 install --upgrade pip 

# INSTALL DEPENDENCIES
RUN apt-get install -y curl unzip openjdk-8-jre-headless xvfb libxi6 libgconf-2-4

cmbaughman

#!/bin/bash

find . -type d -empty -exec rm -i -R {} \;

cmbaughman

#!/bin/bash

while true;
do 
  printf "$(awk -v c="$(tput cols)" -v s="$RANDOM" 'BEGIN{srand(s);while(--c>=0){printf("\xe2\x96\\%s",sprintf("%o",150+int(10*rand())));}}')";
done

cmbaughman

Simple Ubuntu Server Setup

---

Create a user

NOTE: You must use public key based authentication.

1. Create user adduser testuser
2. Grant sudo usermod -aG sudo testuser
3. ufw enable/disable

cmbaughman

Installing Java on Debian flavors (including Ubuntu) of Linux

1. Go here: Oracle Java JDK Downloads and download the file called: jdk-11.0.6_linux-x64_bin.deb preferably into a directory called Downloads in your home directory.
2. Open a terminal
3. Type: cd ~/Downloads to change into your downloads directory
4. Run the command: sudo apt install jdk-11.0.6_linux-x64_bin.deb
5. After the install is finished, run the command: update-alternatives --config java
6. Select the version of java by typing the number beside the one that looks like /usr/lib/jvm/java-11-oracle/bin/java.
7. Restart

cmbaughman

How to set up passwordless ssh,scp, and rsync

Setup

1. Install the application sshpass:

sudo apt install sshpass

2. Make sure to set in your ~/.ssh/config file the following options to prevent ssh from using your pubkey:

cmbaughman

sudo apt autoremove
sudo apt clean
sudo apt-get autoclean
sudo journalctl --vacuum-time=3d
rm -rf ~/.cache/thumbnails/*

set -eu
snap list --all | awk '/disabled/{print $1, $3}' |
    while read snapname revision; do
        snap remove "$snapname" --revision="$revision"