Author Archives: admin

LVM Breaks When Upgrading Debian Etch to Lenny 4.x to 5.0

Posted on April 28, 2009 by admin

Using the standard upgrade proceedures, Debian Etch + LVM will fail to upgrade to Debian Lenny gracefully.  This is due to the kernel modules and is simple to avoid. Before changing apt sources (They should be etch) apt-get update apt-get … Continue reading →

Posted in Debian, How Tos, LVM | 4 Comments

PERL How To Print A List Without A Loop

Posted on February 6, 2009 by admin

PERL has a built-in function called join() that will concatenate a list with a given string. The official perldoc states: join EXPR,LIST Joins the separate strings of LIST into a single string with fields separated by the value of EXPR, … Continue reading →

Posted in How Tos, perl, Programming, Software | Leave a comment

SQL: Select duplicate rows, select indistinct rows

Posted on October 27, 2008 by admin

Using SQL, MySQL or whatever your favorite database may be, we all know using SELECT DISTINCT will return unique values in case a value appears more than once in a table. How do you fine duplicates? What if I want … Continue reading →

Posted in How Tos, mysql, SQL | Tagged , , | 1 Comment