Rename Command
Different way to use the rename command.
rename 's/.html$/.php/' *.html
Different way to use the rename command.
rename 's/.html$/.php/' *.html
CDPATH is to cd what PATH is to exectable. You can go to a folder inside any of the CDPATH folders by just cd 'folder name'
– no mater where you are currently.
export CDPATH='.:~:/var/www/html:~/Scripts'
You can use this command to create a screencast using ffmpeg.
ffmpeg -f x11grab -s 800x600 -i :0.0 /tmp/screencast.mpg
Backup all delicious bookmarks using this command
wget --user=username --password=password https://api.del.icio.us/v1/posts/all -O bookmarks.xml
Replace one string by another in all file found by find.
find . -name *whatyouwant* -exec perl -pi.bak -e 's/TEXT_TO_REPLACE/TEXT_TO_REPLACE_IT_WITH/g' {} \;
Use these commands to backup/restore your boot sector
dd if=/dev/hda of=bootsector.img bs=512 count=1 # backup
dd if=bootsector.img of=/dev/hda #restore
Post to Delicious
curl "https://<username>:<password>@api.del.icio.us/v1/posts/add?&url=[URL]&description=[TITLE]&tags=[TAGS]&replace=no"
Set the ID3 tags for mp3 files using this command…
id3tool -t "title" -r "artist" file.mp3
Get Audio from a video file
mplayer -dumpaudio -quiet VIDEO_FILE