Tech Guides

A collection of 8 posts

Linux

AWS CloudFront SSL Install

Using the Amazon CoudFront as a CDN is a great way to accelerate your website. If you run with HTTPS enabled, you will also want to reference the files you have hosted on

  • Jonathan E. Ross
    Jonathan E. Ross
1 min read
Tech Guides

CUPS Command Reference

Show Printing System Status lpstat -t Show Queue Status lpq -Plaser101 Create a PostScript Laser Printer Queue lpadmin -p office-printer-1 -v lpd://office-printer-1/lp -m postscript.ppd.gz -E Create a JetDirect Socket

  • Jonathan E. Ross
    Jonathan E. Ross
1 min read
Tech Guides

HP ProCurve CLI Reference

Configurations Show Running Configuration procurve1# write terminal Save Running Config to Startup Config procurve1# write memory Show Mac-Address, Port, and VLAN procurve1(config)# show mac-address Show Port Descriptions procurve1# show name Show Port

  • Jonathan E. Ross
    Jonathan E. Ross
1 min read
Tech Guides

Ubiquiti EdgeSwitch CLI Reference

Configurations Show Running Configuration (ubnt1)# show running-config Show Saved Configuration (ubnt1)# show startup-config Save Running Config to Startup Config (ubnt1) # write memory VLANs Create a VLAN (ubnt1) # vlan database (ubnt1) (Vlan)# vlan 10

  • Jonathan E. Ross
    Jonathan E. Ross
1 min read
Linux

Generate a Self-Signed SSL Certificate

First, determine the name to be used for the key. For a webserver, use the fully qualified domain name. For a more general key (*.mydomain.com), just use the domain. The following example

  • Jonathan E. Ross
    Jonathan E. Ross
1 min read
Linux

SSH Server Security Guide

Although SSH is itself a secure protocol, the standard password based login mechanism is weak. Allowing password based logins via SSH poses severe security concerns, mainly from brute-force login attempts. To combat this

  • Jonathan E. Ross
    Jonathan E. Ross
4 min read
Linux

Linux Raid Guide

The following is a guide I have assembled detailing the creation and management of a RAID 5 array running on Linux. This is software RAID I’m talking about as opposed to hardware

  • Jonathan E. Ross
    Jonathan E. Ross
6 min read
Linux

Rename a Linux MD Device

Often it may be necessary to change the name of an MD device in Linux. For example, say you are migrating from one RAID array to another. At one point you may have

  • Jonathan E. Ross
    Jonathan E. Ross
1 min read
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