I.T. Consulting
Tutorials
Sysadmin
How RAID Works What's a RAID? Hardware vs Software RAID Striping and Mirroring RAID 2 and 3 RAID 4 and 5 Conclusion
Software RAID on Linux RAID: Quick Recap Software Tools Creating & Using an Array Monitoring an Array Removing & Re-Assembling an Array The mdadm.conf File Deleting an Array Summary & Cheat-Sheet
Network Security
Squid Proxy Server Basic Configuration Controlling Traffic Blocking Access Monitoring Traffic
SSH: Secure Shell Overview Using SSH Encryption Authentication Keys Configuring SSH Advanced Tricks
Implementing HTTPS What Is HTTPS? Setting Up The Server
Linux Skills
The ed Line Editor First Things First Navigating Entering Text Changing Text Line Maneuvers Text Searches Using ed in Real Life Summary
Regular Expressions Text Patterns Extended Expressions
The vi Editor Introduction Operating Modes Navigation Editing Summary
Intermediate vi Power Editing Cut-and-Paste Modifying Text Searches Tips & Tricks The vi Prompt Indenting
Miscellaneous
Creating an eBook Introduction Create an ePub Create a MOBI Create a PDF

Tutorials and Quick Notes

Here are some tutorials and technical notes I have written on topics of interest to IT people. This site is a work in progress; more material will be added on a regular basis.

If you enjoy this site, please consider linking to this page.

Rey Lefebvre


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