find . -type f \( -iname "*.jpg" -o -iname "*.png" -o -iname "*.gif" -o -iname "*.jpeg" -o -iname "*.webp" -o -iname "*.svg" \) | sed 's|^\./|./photos/|' | awk -F'/' '{filename=$NF; gsub(/\.[^\.]+$/, "", filename); print "<img src=\"" $0 "\" alt=\"" filename "\">"}' > file.txt Image list command to generate HTML tags with alt attributes

ffmpeg -loop 1 -i f.png -i f.mp3 -c:v libx264 -tune stillimage -c:a aac -b:a 192k -pix_fmt yuv420p -shortest out.mp4 Create a video from a single image and audio

find . -name "*.png" -exec convert "{}" -fill white "{}" -opaque transparent "{}" -alpha off "{}" \; Convert PNG files to opaque images with white background

wget https://codeload.github.com/KostasSliazas/template-html.io/zip/refs/tags/1.0 Download files from the internet

convert -resize 50% -delay 10 -loop 0 image_{0..99}.jpg output.gif Create an animated GIF from resized images

find . -type f ! -name 'file.txt' -exec basename{} \; > file.txt Recursively list files without folders

ffmpeg -loop 1 -i picture.png -i audio.ogg -shortest output.mpeg Create a MPEG video from a single image and audio file

find . -name "node_modules" -type d -prune -exec rm -rf '{}' + Recursively remove node_modules

convert -resize 768x576 -delay 20 -loop 0 `ls -v` image.gif Resize images and create an animated GIF

convert -delay 10 `ls -v` -loop 0{0100..0255}.png output.gif Create an animated GIF from sequential PNG files

sudo find -type d -name '*(1)*' -a -prune -exec rm -rf{} \; Recursively remove copied folders (1)

find . -type f -name '*.jpg' -exec basename{} \; > file.txt Recursively list only file names with a specific extension

find . -type f ! -name 'file.txt' | sed 's|^\./||' > file.txt Recursively list files with folders

mogrify -background white -flatten -format jpg *.png Batch convert PNG to JPG with white background

mogrify -resample 72x72 -resize 256x256 *.JPG Resample and resize JPG images in batch

find . -type f ! -name 'file.txt' > file.txt Recursively list files without including file.txt

sudo systemctl restart NetworkManager Restart network

sudo lshw -short -C memory Retrieves detailed information about the RAM

sudo apt update ; sudo apt upgrade -y Update & Upgrade System

find . -type f ! -name '*.txt' -print -print/-delete ALL except with file extension 'txt'

sudo chmod -R 755 directoryname Change File/Directory Permissions to 755 in Linux

grep "(root|nobody)" /etc/passwd Regular expressions to search in files (find one of two things)

find . -type d -empty -print -print/-delete empty folders

less data.zip > file.txt Archive file list to file

echo okay > filename Write 'okay' to file

mogrify -strip *.png Strip image metadata (and other unnecessary data) from PNG files

exiftool -all=*.png Remove all metadata from PNG files

find / -type d -ls Show directories

exiv2 rm image.jpg Remove image metadata

exiftool image.jpg List image metadata information

cat -n /etc/hosts View Hosts File with Line Numbers

ls -1a > file.txt File list to file

less -s filename Remove multiple blank lines

rm -rf folder Force and recursively remove all files and subdirectories

mkdir newdir Make a directory

ps auxwww Show processes

free -ght Amount of free and used memory

lsblk List mounted devices

df -h Get the details of the file system

cd / Change into the root directory of the Linux file system

who Show who is logged in

pwd Show working directory (print)

mv Move or rename a file

ls List directory contents

cp Copy a file

cd Return to the home directory immediately (use cd ~ or cd)