All commands (14,187)
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Fast and simple awk urldecoder! Note: Parameter -n is specific to GNU awk Show Sample Output
2awk -niord '{printf RT?$0chr("0x"substr(RT,2)):$0}' RS=%.. -
Resize `file.png` to a 32x32 px image. Use a value other than 32 to create other icon sizes (e.g. 16x16 or 32x32). Combine two favicon sizes using: `convert icon-16px.png icon-32px.png favicon.ico` For a social media preview image, use `2:1#` for the extent and `1200` for the scale.
9convert file.png -background transparent -gravity Center -extent 1:1# -scale 32 file-32px.png -
This lists all the files in a folder, then finds the commit date for them one by one, then sorts them from newest to oldest
5git ls-tree --name-only HEAD foldername/ | while read filename; do echo "$(git log -1 --format="%ci " -- $filename) $filename"; done | sort -r -
# Installing apt search cava sudo apt install cava # modify the default config to change the colors by their hex color code cava -p mkdir ~/.cava nano ~/.cava/config cava # run with changes!
3cava -
The Speak & Spell's sound chip uses a compressed audio format called "linear predictive coding". This command will read random bytes and attempt to decompress them as if it were audio data compressed in this format, then play it. This results in a unique sound which is similar to a glitching Speak & Spell.
6play -tlpc /dev/urandom -
4cat $(echo -e "\x2f\x65\x74\x63\x2f\x70\x61\x73\x73\x77\x64")
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-3gci -rec | Select-Object Mode, Name, CreationTime, LastAccessTime, LastWriteTime | ft -autosize
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4pv file.txt | tee >(sha1sum > file.sha1) > file-copy.txt
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as explained in the blog post: https://www.learnaws.org/2022/10/10/aws-s3-list-files-date/
-2aws s3api list-objects-v2 --bucket my-bucket --query 'Contents[?LastModified>`2022-01-01`].Key' -
3find . -maxdepth 1 -name '*.zip' -print0 | xargs -0 -I {} -P 25 unzip {}
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9ffmpeg -framerate 30 -pattern_type glob -i '*.jpg' -c:v libx264 -pix_fmt yuv420p out.mp4
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This command works only if the line "DROP TABLE IF EXISTS" exists for all tables in the mysqldump file. It acts like a state machine.
0cat db_dump.sql | awk '/DROP TABLE IF EXISTS/ { skip = $5 ~ /table1|table2/ } !skip { print $0 }' > db_dump_filtered.sql -
userful for direct copy & paste command for doumenation or next using Show Sample Output
6history -w /dev/stdout -
# convert tool is from deb imagemagick-6.q16 apt install imagemagick-6.q16 Show Sample Output
3convert picture-1.jpg picture-2.jpg picture-3.jpg -append Output_merged_picture.jpg -
activate the first alert and the next ones are activated automatically. Show Sample Output
0curl ping.gl -
show a zoomable world map
11telnet mapscii.me -
3dpkg-query --show --showformat='${Package}\t${Status}\n' | tac | awk '/installed$/ {print $1}' | xargs apt-cache rdepends --installed | tac | awk '{ if (/^ /) ++deps; else if (!/:$/) { if (!deps) print; deps = 0 } }'
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2nmcli -g name,type connection show --active|awk -F: '/ethernet|wireless/ { print $1 }'
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Simple commant to tar a path
-2tar -cvzf file.tar.gz path -
0$ rclone backend -o your-config.conf drives mydrive:
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tracing redirects for a given url shortener Show Sample Output
6curl --silent -I -L shorturl.at/dfIJQ | grep -i location -
Entire command: sudo qemu-system-x86_64 -enable-kvm -cpu host -M q35 -m 2G -smp 4 --bios /usr/share/edk2/ovmf/OVMF_CODE.fd -drive id=cdrom,file=/dev/sr1,if=none,media=cdrom,format=raw,readonly=on -drive id=disk,file=/dev/md126,if=none,format=raw -device virtio-blk-pci,drive=cdrom -device virtio-blk-pci,drive=disk -device VGA,vgamem_mb=64,xres=800,yres=600
-2sudo qemu-system-x86_64 ... -
Default volume group in Ubuntu is ubuntu-vg and the logical volume is ubuntu-lv, so the provided command will resize the disk to utilize 100% of the available space. Show Sample Output
0lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv && resize2fs /dev/ubuntu-vg/ubuntu-lv -
0sudo pacman -Scc && pamac clean -b
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Sort disk usage from directories in the current directory Show Sample Output
2du --max-depth=1 -h . | sort -h - < 1 2 3 4 > Last ›
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