blog.soundtraining.net
The Accidental Administrator: July 2013
http://blog.soundtraining.net/2013_07_01_archive.html
Soundtraining.net website links. Tuesday, July 2, 2013. How to Change an Ubuntu Server from DHCP-Assigned IP Address to Static IP Address. I noticed, while perusing a variety of blog posts related to Ubuntu server configuration, that none of them completely covered the necessary steps in changing the server's IP address from one assigned by DHCP to one configured statically. This blog post will explain how to do it, along with several follow-up steps that seem to be missing from other posts. And add the ...
blog.soundtraining.net
The Accidental Administrator: Basic DNS Client Troubleshooting or How to Solve Name Resolution Problems
http://blog.soundtraining.net/2013/12/basic-dns-client-troubleshooting-or-how.html
Soundtraining.net website links. Monday, December 23, 2013. Basic DNS Client Troubleshooting or How to Solve Name Resolution Problems. Sometimes, the network is up, all the link lights are on, pings by IP address work fine, but you still can't connect to a website. A likely culprit is name resolution. The Name Resolution Process. Suppose you need to connect to www.soundtraining.net. Here's what happens when you type that URL into your browser:. If the requested hostname doesn't exist in the DNS cache, th...
blog.soundtraining.net
The Accidental Administrator: March 2013
http://blog.soundtraining.net/2013_03_01_archive.html
Soundtraining.net website links. Tuesday, March 19, 2013. How to Configure Split-Tunneling on a Cisco ASA VPN. Examples of Split Tunneling. I've created the following video to show you how to configure a split tunnel on a Cisco ASA security appliance. Here are the commands:. Start by creating an access control list to permit a traffic-flow from the internal network:. Access-list Split Tunnel List standard permit 192.168.101.0 255.255.255.0. Group-policy "GroupPolicy Account Reps NA" attributes. Pick up a...
blog.soundtraining.net
The Accidental Administrator: December 2013
http://blog.soundtraining.net/2013_12_01_archive.html
Soundtraining.net website links. Monday, December 23, 2013. Basic DNS Client Troubleshooting or How to Solve Name Resolution Problems. Sometimes, the network is up, all the link lights are on, pings by IP address work fine, but you still can't connect to a website. A likely culprit is name resolution. The Name Resolution Process. Suppose you need to connect to www.soundtraining.net. Here's what happens when you type that URL into your browser:. If the requested hostname doesn't exist in the DNS cache, th...
blog.soundtraining.net
The Accidental Administrator: February 2013
http://blog.soundtraining.net/2013_02_01_archive.html
Soundtraining.net website links. Tuesday, February 26, 2013. NAT Configuration on a Cisco Router (Port Address Translation or Dynamic NAT). Configuring Dynamic NAT on a Cisco Router. Also Known as Port Address Translation). In this post, I’ll show you how to configure Port Address Translation in which all internal hosts will share one external interface and IP address on the external network. Port Address Translation (PAT) is a many-to-one form of Network Address Translation (NAT). NVI0 is the NAT Virtua...
blog.soundtraining.net
The Accidental Administrator: May 2013
http://blog.soundtraining.net/2013_05_01_archive.html
Soundtraining.net website links. Wednesday, May 8, 2013. How to Increase the Scrollback Buffer in PuTTY. At a recent Cisco ASA training workshop. One of the students asked how to increase the buffer size in PuTTY so he could see more output history. Here's how to do it:. In the PuTTY configuration window, select Window. In the category tree on the left. Change the Lines of scrollback. To whatever value you wish. The default is 200. Some people set it as high as 5000. Window, type Default Settings.
blog.soundtraining.net
The Accidental Administrator: The Beginning Network Admin's Network Troubleshooting Checklist
http://blog.soundtraining.net/2013/12/the-beginning-network-admins-network.html
Soundtraining.net website links. Wednesday, December 4, 2013. The Beginning Network Admin's Network Troubleshooting Checklist. Do a quick check of the rest of the network. Before you start running all kinds of tests on your system, check to make sure the rest of the network is functioning properly. Are other people or systems on the network having the same or similar problems as you? The problem may have nothing to do with your system or configuration. What has changed since things were working properly?
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