Commands by giuseppe_rota (1)

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How To Get the Apache Document Root
Grabs the Apache config file (yielded from httpd) and returns the path specified as DocumentRoot.

Compare a remote file with a local file

Puts every word from a file into a new line
Basically it creates a typical word list file from any normal text.

List only executables installed by a debian package
Maybe not clean with big package and too long argument. But return every file who can be executed.

Geolocate a given IP address
Defines a function to geolocate a given IP address; if none supplied, will default to your external IP address.

Remove newlines from output
?Cat and grep? You can use only grep ("grep \. filename"). Better option is awk.

a simple bash one-liner to create php file and call php function

Create a backup of file being edited while using vi
At the start of a vi session and *before* saving any changes use ":!cp % %-" to make a backup of the current file being edited. example: vi /data/some/long/path/file :!cp% %- creates /data/some/long/path/file-

List all symbolic links in a directory matching a string
Finds all symbolic links in the specified directory which match the specified string pattern. I used this when upgrading from an Apple-supported version of Java 6 (1.6.0_65) to an Oracle-supported version (1.7.0_55) on Mac OS X 10.8.5 to find out which executables were pointing to /System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands (Apple version) vs. /Library/Java/JavaVirtualMachines/jdk1.7.0_55.jdk/Contents/Home/bin (Oracle version). However, it appears the current JDK installation script already takes care of modifying the links.

Secure copy from one server to another without rsync and preserve users, etc
Source: http://unix.derkeiler.com/Newsgroups/comp.unix.shell/2008-04/msg00068.html


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