Commands by liuwei000000 (0)

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Rename duplicates from MusicBrainz Picard
Renames duplicates from MusicBrainz Picard, so you get the latest copy and not a bunch of duplicates.

Limit the cpu usage of a process
Similar to `cpulimit`, although `prlimit` can be found shipped with recent util-linux. Example: limit CPU consumption to 10% for a math problem which ordinarily takes up 100% CPU: Before: $ bc -l

Copy/move a bunch of files to dot files and back

Generate the CPU utilization report
Generated the CPU utilization stats with 5 lines /every 2 seconds. Needs sysstat package to be installed prior to use sar.

Tweet from Terminal to twitter !
Tweeting from terminal to twitter accounts..

32 bits or 64 bits?

list block devices
Shows all block devices in a tree with descruptions of what they are.

Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

easily strace all your apache processes
Will open strace on all apache process, on systems using sbin/apache (debian) or sbin/httpd (redhat), and will follow threads newly created.

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" }

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