Commands tagged apt-get, Command not found, suggest (1)

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Update twitter with Perl
Requires Net::Twitter. Just replace the double quoted strings with the appropriate info.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Recursively remove all files in a CVS directory
This will search all directories and ignore the CVS ones. Then it will search all files in the resulting directories and act on them.

power off system in X hours form the current time, here X=2

Recursively chmod all dirs to 755 and all files to 644

Install pip with Proxy
Installs pip packages defining a proxy

Extract title from HTML files
Case Insensitive! and Works even if the "<title>...</title>" spans over multiple line. Simple! :-)

SMTP Analysis
This works just as well for SMTP. You could run this on your mail server to watch e-mail senders and recipients: tcpdump -l -s0 -w - tcp dst port 25 | strings | grep -i 'MAIL FROM\|RCPT TO'

Convert seconds to [DD:][HH:]MM:SS
Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Remove Thumbs.db files from folders
An alternative which uses the advanced zsh globbing (pattern matching)


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