mplinuxgeek

#!/bin/bash
# rev 4 - changes suggested by KownBash https://www.reddit.com/r/bash/comments/5cxfqw/i_wrote_a_simple_video_to_gif_bash_script_thought/da19gjz/
# rev 5 - made the script more verbose
# rev 6 - fixed an issue with a variable not displaying correctly
# rev 7 - added option to change dither level
# rev 8 - rewrote usage function

# Usage function, displays valid arguments
usage() {
  echo "Usage: $(basename ${0}) [arguments] inputfile" 1>&2

mplinuxgeek

#!/bin/bash
# Script requirements lastb, diff, touch, whois, mail.
# To succesfully send an email it will require a working mail configuration
# Tested on Ubuntu 16.04

recipient="[email protected]"

if [ ! -f /root/failed ]; then
  touch /root/failed
fi

mplinuxgeek

#
#  Fully documented Vagrantfile available
#  in the wiki:  https://github.com/josenk/vagrant-vmware-esxi/wiki
vm_name = File.basename(Dir.getwd)
vm_cpus = '2'
vm_ram = '4'
if vm_name.include? "web"
  vm_ram ='2'
end

mplinuxgeek

#!/bin/bash
# SSH SOCKS tunnel helper script, opens tunnel, checks
# that the port is open then launches Firefox, the ssh
# session closes after 10 seconds which is enough time
# for Firefox to start but the tunnel will remain open
# till Firefox is closed.
#
# Changes: MP - 22/08/2018 - Initial version, tested on Ubuntu 18.04 and Windows under Cygwin
#
# Todo: Add proper detection of Cygwin environment

mplinuxgeek

#!/bin/bash
LASTB=$(lastb | awk '{print $3}' | grep -v "192.168.1" | head -n -2 | sort | uniq -c | sed -e 's/^[ \t]*//' | sort -k1nr)
#	lastb returns failed login attempts
#               print only the 3rd column which has the IP addresses
#                                  grep out local network entries
#                                                        remove last 2 lines of the output, lasst line is the date and 2nd last is blank
#                                                                     sort list for uniq
#                                                                            uniq -c displays a count of the uniq entries
#                                                                                      remove the leading spaces
#                                                                                                             sorts the output using the 1st column from largest to smallest

mplinuxgeek

#!/bin/bash

# If you forgot to set hostname during install like I often do...
sudo hostnamectl set-hostname newhostname

# Remove unneeded (by me) packages
sudo dnf autoremove -y cheese evolution libreoffice-draw libreoffice-impress gnome-maps gnome-clocks gnome-contacts gnome-contacts gnome-weather

# Enable extra repos
sudo dnf install -y fedora-workstation-repositories

mplinuxgeek

alias youtube-dl-best='youtube-dl -f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/bestvideo+bestaudio" '
alias youtube-dl-480='youtube-dl -f "bestvideo[height<=480][ext=mp4]+bestaudio[ext=m4a]" '
alias youtube-dl-720='youtube-dl -f "bestvideo[height<=720][ext=mp4]+bestaudio[ext=m4a]" '
alias youtube-dl-4k='echo -e "This will transcode the video from webm to h264 which could take a long time\n\n"; youtube-dl -f "bestvideo[ext=webm]+bestaudio[ext=m4a]" --recode-video mp4 '
alias youtube-dl-mp3='youtube-dl --extract-audio -f bestaudio[ext=mp3] --no-playlist '

mplinuxgeek

#!/bin/bash
# Paste this script into /etc/ssh/sshrc
# This runs everytime an ssh session is initiated.
# The script checkes the remote IP address against the local 
# subnet, if the subnet is not in the IP address then an 
# email is sent containing details about the session and
# some details from whois about the IP address.
#
# Changes: Initial version, tested on CentOS 7
#

mplinuxgeek

# Return only the answer
dig +noall +answer youtube.com
youtube.com.		300	IN	A	172.217.167.110

# Return only IP address
dig +short youtube.com
172.217.167.110

# Return only the answer from Googles DNS server
dig +short @8.8.8.8 youtube.com

mplinuxgeek

#!/bin/bash
for file in *.mkv; do
  # Extract filename from input file without the extension
  filename=$(basename "$file")
  #extension="${filename##*.}"
  filename="${filename%.*}.mp4"

  echo $filename
  ffmpeg -i "$file" -codec:v libx264 -preset superfast -crf 22 -vf scale="720:trunc(ow/a/2)*2" -codec:a libfdk_aac -b:a 128k -y "$filename"
done