To view the first lines of a text file, use the head command. head file.txt = show first 10 lines of filehead -25 file.txt = show first 25 lines of file To view the last lines of a text file, use the tail command. tail...
I did a little research the other day with regards to Time Dimensions and I thought I would share my findings here. Background:Traditionally a data warehouse will have at least one “Time” dimension that will have one record for...
A common issue for users of SQL Server databases is disk space and the size of the physical log file and database. While I’m not going to attempt to make a “one size fits all” statement on database maintenance plans, I thought...
This directory contains some sample scripts that can be dropped into /etc/postwwwacct.dir. Note that you need to be root to set up this stuff, which means usually that you’ll need a dedicated server or VPS to run these scripts (a very...
Linux Linux is a collective name for a class of Unix computer operating systems. The name of the kernel of the Linux operating system is also “Linux”. The Linux operating system is also...
I had several files that had spaces in their names and I wanted to convert those spaces to underscores. Here’s how I did it. If you don’t have one already, make a bin directory in your home directory: cd mkdir bin In...
Less
ls | less
Commands to use with less:
space = move ahead a pageb = move back a pageq = quit less
When the LILO: prompt appears (or boot: prompt if you inserted a boot disk), enter: linux -s or linux single When the bash# prompt appears, enter: passwd This will then prompt you for a new root password, without asking for the old one...