John's Bread Crumbs
Friday, October 4, 2024
How to block web pages
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I block myself from certain web pages because I find they hinder my productivity or because I'm mad at them for some long-forgotten rea...
Wednesday, July 17, 2024
Cisco 137 - Ansible, Puppet, and Chef
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Ansible Model: PUSH = Agentless Action file: Playbook Protocols: SSH & NETCONF Uses YAML. Written in Python. Puppet Model: PULL = Requir...
Tuesday, July 16, 2024
Cisco 136 - Python lists and dictionaries
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list1 = [ "g0/0", "g0/1", "g0/2" ] dictionary1 = { "config_speed" : 'auto', "config...
Cisco 135 - CRUD and REST
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CRUD - REST (HTTP) Verb Create POST Read GET Update PATCH, PUT Delete DELETE
Cisco 134 - JSON, XML, YAML
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---------------> JSON <--------------- JavaScript Object Notation Attempts to strike balance between human-readable & machine read...
Saturday, June 8, 2024
Cisco 133 - DAI = Dynamic ARP Inspection
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Recall that ARP = Address Resolution Protocol. It translates IP addresses to MAC addresses. ARP Request/ ARP Reply Gratuitous ARP - An ARP r...
Cisco 132 - DHCP Snooping
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Turns on features that look for and discard misbehaving DHCP packets. Enable on "untrusted" ports (those downstream from the real ...
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