Commands by kobayashison (6)

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Fast portscanner via Parallel

Create date based backups
This script creates date based backups of the files. It copies the files to the same place the original ones are but with an additional extension that is the timestamp of the copy on the following format: YearMonthDay-HourMinuteSecond

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" }

Show crontabs for all users
added echo "### Crontabs for $user ####"; to make clear whose crontab is listed.

check open ports without netstat or lsof

Copy without overwriting

Lines per second in a log file

Rename files in batch

Backup sda5 partition to ftp ( using pipes and gziped backup )

tar+pbzip2 a dir


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