Commands tagged dpkg (53)

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Set GIT_COMMITTER_DATE = GIT_AUTHOR_DATE for all the git commits

Get your public ip

Use Perl like grep
Much better alternatives - grep-alikes using perl regexps. With more options, and nicer outputs.

Rename files in batch

Get current Xorg resolution via xrandr
Not sure if it works the same on any shell.

Replicate a directory structure dropping the files

Get all mac address
I prefer the ip command to ifconfig as ifconfig is supposedly going to be deprecated. Certain IP address aliases can only be seen with the ip command (such as the ones applied by RHCS).

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" }

check open ports (both ipv4 and ipv6)

Print just line 4 from a textfile
Prints the 4th line and then quits. (Credit goes to flatcap in comments: http://www.commandlinefu.com/commands/view/6031/print-just-line-4-from-a-textfile#comment.)


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