September 2007 – Page 4 – Pario TechnoBlob

Linux

axel, a wget alternative, ultra fast command line download accelerator

axel – a light download accelerator for Linux command line.

Linux

wget the ultimate command line downloader

However, when it comes to command line (shell prompt) wget the non-interactive downloader rules. It supports http, ftp, https protocols along with authentication facility, and tons of options. Here are some tips to get most out of it: Download a single file using wget $ wget http://www.cyberciti.biz/here/lsst.tar.gz $ wget ftp://ftp.freebsd.org/pub/sys.tar.gz Download multiple files on command […]

Security

Port Knocking

What is Port Knocking? Port knocking is a method by which you can dynamically open ports on your server to a single IP address. Port knocking allows you to transparently run a service on your server without exposing the services of that port to all IP addresses. In practice, it is very similar to having […]

Linux

MySQL Not Listening On A Public IP

By default, MySQL (on Debian) doesn’t listen on the public interface: #netstat -l tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN 1768/mysqld In /etc/mysql/my.cnf, comment out the bind line: #bind-address = 127.0.0.1 And restart MySQL. Then it will listen on the public interface, and you should be able to connect. #netstat -l tcp 0 0 0.0.0.0:3306 0.0.0.0:* […]

Linux

Resolving: ‘Client does not support authentication protocol requested by server’

If you get an error about client authentication version when connecting to MySQL then it may be because your server is using the new password format, while your mysql client (or PHP script, or JDBC code) is using the old password format. See: http://dev.mysql.com/doc/mysql/en/Application_password_use.html. You can change a new password to an old password like […]