curl

Download with resume

curl -L -O -C - URL.file

docker

Import sql

docker exec -i ID mysql -u root --password=PASSWORD dbname < sql.sql

ffmpeg

Cut from-to

ffmpeg -i FILEINPUT -ss "2:25" -to "3:29" -f mp4 -y OUTPUT.mp4

git

.idea in gitignore fix

git rm --cached -r .idea

Reset initial commit

git update-ref -d HEAD

Show files

git ls-tree -r master --name-only

With heroku

# heroku create APP_NAME_STAGE
git remote add STAGE git@heroku.com:APP_NAME_STAGE.git
git push stage master

gource

Visualize commits

gource -s .1 -1920x1080 --auto-skip-seconds .1 --multi-sampling --stop-at-end --highlight-users --hide mouse,progress --file-idle-time 15 --max-files 0 --background-colour 000000 --font-size 24 --title "TITLE" --output-ppm-stream - --output-framerate 30 .git| ffmpeg -y -f image2pipe -vcodec ppm -i - ~/Desktop/test.mp4

ls

Sort by modified date

ls -t
ls -tr # reverse

pacman

Query first then remove by file

pacman -Qs 'python2-*' | grep '/python' | cut -d '/' -f 2 | awk '{print $1}' > /tmp/remove.txt
while read line; do sudo pacman -Rd --noconfirm --nodeps $line; done < /tmp/remove.txt

Remove package+deps

pacman -Rcn package

Clear cache of uninstalled packages

pacman -Sc

rsync

With key file

rsync -avz --progress -e "ssh -i ~/FILE.pem" user@ip: .

With different port

rsync -avz --progress -e "ssh -i ~/FILE.pem -p PORT" user@ip: .

ssh

Change key file permission chmod 400 FILE.pem With key file ssh -i FILE.pem user@ip

wget

Download all images

wget -U "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0" -nd -r --level=1  -e robots=off -A jpg,jpeg,png,gif,bmp -H --domains DOMAIN DOMAIN

while

Read text line by line

while read line; do echo $line; done < file

youtube-dl

mp3

youtube-dl --extract-audio --audio-format mp3 -o "%(title)s.%(ext)s" --verbose URL

OTHERS

Convert vdi to qcow2

qemu-img convert -f vdi -O qcow2 Centos7.8.vdi Centos7.8.qcow2