Commands using scp (28)

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Calculate the distance between two geographic coordinates points (latitude longitude)
The Haversine formula determines the great-circle distance between two points on a sphere given their longitudes and latitudes.

SVN Command line branch merge
This will merge all of the changes from {rev_num} to head on the branch to the current working directory

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Find files with lines that do not match a pattern
This one would be much faster, as it's only one executed command.

Delete an IPtable rules based on row number

Insert a line at the top of a text file without sed or awk or bash loops
Yet another way to add a line at the top a of text file with the help of the tac command (reverse cat).

du and sort to find the biggest directories in defined filesystem
This command give a human readable result without messing up the sorting.

Show current working directory of a process

Schedule a script or command in x num hours, silently run in the background even if logged out
This is helpful for shell scripts, I use it in my custom php install script to schedule to delete the build files in 3 hours, as the php install script is completely automated and is made to run slow. Does require at, which some environments without crontab still do have. You can add as many commands to the at you want. Here's how I delete them in case the script gets killed. (trapped) atq |awk '{print $1}'|xargs -iJ atrm J &>/dev/null

Generate a (compressed) pdf from images
use imagemagik convert


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