IPv6 Launchipv6 ready

faq

  • IPv6 tunnel + rDNS on Amazon EC2 running Ubuntu
    05/03/12

    World IPv6 Launch is coming - in this how to, we're going to enable IPv6 tunnel in Amazon EC2 instance.

    Currently Amazon did not provide a direct, native IPv6 connectivity for their instances, so we have to use a tunnel for this task. After testing several tunnel providers we selecte...

  • How to integrate SpamAssassin with Postfix
    05/01/12

    The following tutorial is for Debian/Ubuntu based system, but will work on almost any other Linux distribution, presuming you have already configured postfix MTA.

    Installing SpamAssassin

    stan@datacentrix:~$ sudo apt-get install spamc spamassassin
    stan@datacentrix:~$ sudo g...

  • How to import csv or txt file into MySQL table
    04/30/12

    In system administration tasks it is likely that sooner or later you will have to import some data from a text file to a MySQL database.

    It is as easy as the following SQL statement:

    LOAD DATA LOCAL INFILE './filename.txt' INTO TABLE `tableName` FIELDS TERMINATED BY ...

  • Recursively change strings with find and sed
    04/30/12

    Just imagine that you have to change the word `cat` with `mouse` in hundreds of text files. It is unrealistic to do this manually - this can be accomplished with this simple shell command:

    find ./ -type f -exec sed -i 's/string1/string2/g' {} \;

    The first parameter is...