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When you start a project with eclipse you specify its type such as ‘Java Project’, ‘Static Web Project’. If you decide at a later stage that you would want to convert it a ‘J2EE Project’ the GUI is of no help at all. Instead you...[more]
Category: Java
Creating random passwords
Setting up new users is a common task on unix systems and usually requires the creation of an initial password. The password should be random in order not to compromise security. Many users never change...[more]
Category: Linux
Sometimes it is desirable to have multiple instances of the MySQL running on a single machine. MySQL is configured to read the my.cnf file by default from a couple of predefined locations. When running more than one MySQL server...[more]
Category: MySQL
[engeler@debian ~]$ uptime 09:43:14 up 16 days, 22:41, 1 user, load average: 2.53, 1.84, 0.98
The UNIX commands w, top and uptime print out the load average. But what do those three numbers mean?
Unix systems...[more]
Category: Linux
Basic data analysis on the shell: Count individual entries in a tab separated file.[more]
Category: Linux
On a Linux system services are started at system startup according to the entries in /etc/rc[0-6].d/ directories. The symlinks in these directories can be conveniently managed with the chkconfig program. In order to enable...[more]
Category: Linux
Converting between character sets on the Linux console[more]
Category: Linux
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