Commands tagged mpeg4 (7)

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Check if a process is running
Send signal 0 to the process. The return status ($?) can be used to determine if the process is running. 0 if it is, non-zero otherwise.

How much RAM is Apache using?
Display the amount of memory used by all the httpd processes. Great in case you are being Slashdoted!

rename all images in folder with prefix of date and time from exif data
imagemagick is required

HTTP redirect
any HTTP requests to the machine on the specified port will be redirected to http://www.whatevs.com... quick, dirty, works fine for sites w/

create a new script, automatically populating the shebang line, editing the script, and making it executable.
The first argument is the interpreter for your script, the second argument is the name of the script to create.

Rename files in batch

Target a specific column for pattern substitution
Awk replaces every instance of foo with bar in the 5th column only.

Checks the syntax of all PHP files in and below the current working directory
Uses the PHP binary to check the syntax of all .php files in or below the current working directory. Really handy for doing that last minute check before you commit code to the repository.

File rotation without rename command
Rotates log files with "gz"-extension in a directory for 7 days and enumerates the number in file name. i.e.: logfile.1.gz > logfile.2.gz I needed this line due to the limitations on AIX Unix systems which do not ship with the rename command.

coloured shell prompt
This coloured prompt will show: username in green, grey "@" sign, hostname in red, current directory in yellow, typed commands in green.


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