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Bash For loops
Loop of the year goes to "for" loops. Situation 1 Someone says, "Cliff, we need to add user1 to the fans_of_dallas_cowgirls group on all...
Clifford McGraw Jr.
Dec 11, 20242 min read

Making your own SysAdmin Lab
This is how to create your own SysAdmin Lab with VMs of operating systems of your choice. How to configure the operating system's network...
Clifford McGraw Jr.
Dec 8, 20243 min read


Tiktok Packet Tracer files
People always fgask how I got packet tracer to look how it looks in this video. To Download packet tracer and that pka file. Create an...
Clifford McGraw Jr.
Dec 7, 20241 min read
Connecting your computer to a Cisco Devnet Sandbox Router
You can probably use the advice below for linux, but this is primarily for Mac OS X. I have no idea how this would work for windows...
Clifford McGraw Jr.
Feb 9, 20231 min read
No matching key exchange method found
Work Story At work we recently replaced a switch with a brand new out of the box switch. One of the guys on my team updated the...
Clifford McGraw Jr.
Feb 9, 20231 min read
Configuring Phones in Packet Tracer
** The commands are written for you to copy into a text editor. The words in all caps are the parameters that you need to fill in with...
Clifford McGraw Jr.
Feb 4, 20232 min read
General Switch/Router Configuration
** The commands are written for you to copy into a text editor. The words in all caps are the parameters that you need to fill in with...
Clifford McGraw Jr.
Feb 3, 20231 min read


Configuring DHCP
Below are the commands for configuring DHCP in a router/switch in Cisco Packet Tracer. Replace POOLNAMEHERE with your DHCP pool's name....
Clifford McGraw Jr.
Feb 2, 20231 min read


Subnetting with VLSM
*I made some changes since I recorded the video. As you all should know, I'm now the Sr. Network Engineer at a fictitious company named...
Clifford McGraw Jr.
Feb 2, 20232 min read
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