Useful bash commands

Change permissions on files and folders with find
find. -type f -exec chmod 664 {} \; find. -type d -exec chmod 755 {} \;

ACL's
set default folder rules for user media and group media setfacl -R -m d:user:media:rwx,d:group:media:rwx folder/

Folder resize via imagemagick
for file in *.jpg; do convert $file -resize 1600x1600 /exportfoler/$file; done;

ccache ubuntu
aptitude install ccache

and add the following to your .bashrc if [ -d /usr/lib/ccache ]; then export PATH=/usr/lib/ccache:"${PATH}" export CCACHE_NLEVELS=3 fi