I have used Docker compose to create a private registry that is used to store my docker images. I then run the containers on the same server as the registry. The images are uploaded from my Mac. I haven’t used Docker a lot so, several guides were required for me to get this to work. […]
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I was making changes on F5s to remove ciphers considered weak. Once the change has been made, the VIP on the F5 must be checked. If the VIP is public and has a DNS record then using SSL labs in very simple. However, if the VIP has no public DNS record, or is not public
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This is something new that I decidced to try out. Using an AI chatbot to generate a base configuration for Linux, Cisco, Arista etc. I do not know all of the Cisco commands for every feature, nor do I have the ability to memorise all the Python functions or Linix configuration. I use Google to
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Now that the XMPP server and switches have been configured, commands can now be issued from an XMPP client either on the switch or a client running in Linux, Windows, etc.This post will demonstrate the issuing of commands from the IM client Gajim and the Arista switches themselves using XMPP. By default, when configuring the
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Extensible Messaging and Presence Protocol is an open standard protocol for instant messaging. Arista switches can use this protocol as a way to configure multiple switches with the same configuration at the same time. Arista switches can even be grouped, so all spine switches, or all leaf switches, or switches in a certain location, etc.
Arista XMPP Configuration Read More »
As part of a lab for Arista, I have created a DHCP server on the Checkpoint firewall. This is specifically to get DHCP options 66 and 67 to the Arista switch for Zero Touch Provisioning (ZTP). DHCP option 66 and 67 direct devices to download configuration.Option 66: provides a TFTP address. This would be the
Checkpoint Enable DHCP Server and DHCP Options 66, 67 Read More »
My GNS3 server is running on ESXi and was running out of space. I was not able to create new projects, add devices to existing projects and some of devices would turn off.The process to increase the disk size in ESXi is very simple, with no data loss to my projects. Increase Disk Size in
GNS3 Server ESXi Disk Resize Read More »
In my GNS3 lab for my TACACS Netmiko project I had an issue with my tacGUI boxes not retaining their DHCP addresses and not accepting a static IP address. https://www.gns3.com/community/featured/tacacs-appliance-with-gui The underlying OS on these VMs is Apline Linux 3.7. The documentation states that there are two methods for configuring the static IP based on
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Just a quick how to for setting up a virtual environment in Linux. This example is using CentOS. Install Python Virtual Environments Create Virtual Environment Can specify Python version for the virtual env Activate the New Virtual Environment Check the Version Check Python Libraries This will be empty to being with. Install a Library Recheck
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Adding an Interface in GNS3 I needed a new VM in my lab as I was having issues with my older one. There are two NICs on the VM, one for access to the internet via my home network and another NIC to connect to the actual lab. Ensure that the second NIC is configured
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