egrep -or "(http(s)?://){1}[^'\"]+" path/to/directory You can further reduce to just return the images by piping again. grep -r src views/ | egrep -o "(mailto|ftp|http(s)?://){1}[^'\"]+" The -r flag is for a recursive directory scan....

gem install --no-rdoc --no-ri rails

Problem: using git and one file, like your db/schema.rb, is out of whack with the latest branch. If you run git pull and you get a failed merge and no update. You can of course, edit the conflicts manually. But what if you're confident that the latest sch...

Remove your last commit (if you haven't pushed yet) git reset --hard HEAD~1 To see changes that have been committed and their position in HEAD git reflog And to undo your previous reset and advance the cursor to the reference immediately behind the cu...

You need a Mail Transfer Agent MTA on the server. The easiest way is to install Sendmail, which Git uses by default. apt-get install sendmail Remember that /etc/hosts file needs the ip address to map to the domain name your sending mail from # vim /et...