A chronological documentation test project, nothing serious, really!
Oneliner to rename files/directories. It converts ” ” into “_” and the characters to lower-case. $> perl -e ‘while(< *>) { $old=$_; s/ +/_/g; rename($old,lc($_)); }’ To limit it to a single filetype use it this way and replace ”.doc” with whatever you like. $> perl -e ‘while(< *.doc>) { $old=$_; s/ +/_/g; rename($old,lc($_)); }’
By doing the following you can deny certain daemons to be available in specified hours by using hosts.allow and hosts.deny. In my example I will be using the vsftpd daemon by adding tcp_wrapper=YES in /etc/vsftpd.conf. Make sure that your private network has access all the time by adding this in /etc/hosts.allow vsftpd: 192.168.0. Enables access […]
This is a simple oneliner to replace words inline using perl :) # for i in `find ./ -name foo` ; { perl -p -i -e “s/oldword/newword/g” $i ;} You’ll need bash and perl.
This post describes how to install MaxMind Geo::IP perl module on Debian Etch. You need the GeoIP C library (that includes also the free GeoLite Country database). This is fortunately available in the Debian repositories. apt-get install libgeoip1 libgeoip-dev To install the GeoIP perl module, we need to download the perl module locally from MaxMind […]
WARNING: this will fail if the user is playing with $0 For example using a symbolic or hard link with a unexpected name. # Simplest… # PROGNAME=`type $0 | awk ‘{print $3}’` # search for executable on path PROGNAME=`basename $PROGNAME` # base name of program # Advanced… # Script name, in what directory, and in […]