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How to install Microstack on VMware with Ubuntu guest OS

Martin Sochor 0 Comments

Microstack is a pure upstream OpenStack distribution. It includes core OpenStack services and the most popular compute, network and storage options. Installation is fast and easy to perform.

My enviroment

  • VMware ESXI 6.7.0
  • Guest system:
    • server install of Ubuntu 20.04.3 LTS
    • static public IP address
    • 16GB RAM (8GB recommended)
    • 4 vCPU
    • 100GB of HDD (actual installation with one tiny instace of cirros running takes about 8GB of storage)

    Single-node installation steps using snap

    Official documentation uses the snap system for installation. The installation, together with initialization, will take about 10 to 30 minutes, depending on your internet speed and HW specification.

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Netacad Packet tracer – how to activate Security feature for Cisco IOS and VPN labs

palo73 0 Comments

Cisco Packet Tracer (PT) simulator allows performing site-to-site VPN exercises. However, the security feature of the router’s IOSs is disabled by default and has to be enabled. Then required VPN commands (crypto and etc.) will be available. The activation is quite simple and functionality was tested for PT versions 7.3 and 8.0.1:

  1. Start the packet tracer and place an 1841/1941 router on a workspace or open an existing project that is using such routers

2. Open CLI and type show version. We may see that the security feature is not activated:

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How to install DIG dns tool on windows 11

palo73 0 Comments

This guide explains how to install the dig dns tool on windows 11 in a few steps. It is just a little bit modified version of How to install DIG dns tool on windows 10 howtos.

1. First download the latest Bind9 executable for Windows. All ISC software is available at https://www.isc.org/download/. However, there is a message, that the latest win executable is 9.6.23, which we may download from the link 9.16.23.

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IOS XRv – no network interfaces in GNS3

palo73 0 Comments

A few words about the setup. We operate a remote GNS3 server setup, where all components (server even clients) are version 2.2.25. The remote server is deployed in a Linux container.

Problem

We operate several IOS XRv 9k appliances that were in default state default during the import process. We notice the following problem. Running small topos with an IOS XRv, once the router is loaded it had no network interfaces.

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Statefull NAT64 – simple configuration example on Cisco routers

palo73 0 Comments

The example shows a simplified configuration of a Statefull NAT64 demo, without DNS64. I instruct the stateful NAT64 router (CSR-1 – CSR100v) to translate IPv6 packets into IPv4 packets (and vice versa) using algorithmic mapping (defined by RFC 6052) of IPv4 addresses of IPv4 routers to and from IPv6 addresses by using manually defined IPv6 prefix 2001:db8::/96). In a similar manner, the IPv6 addresses of IPv6 routes are translated to and from IPv4 addresses.

Topology

R1/R2 run 7200 IOS image., R1 is pure IPv4 router, on the other site, R2 is IPv6 only.

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Parrot OS v5.0 – How to manually install VirtualBox guest additions

palo73 0 Comments

Environment:

Variant 1 => using official online parrot repo

sudo su -

# update packages list and upgrade packages
apt update && apt upgrade -y

# install virtualbox guest additions from the Parrot repo
apt install virtualbox-guest-utils

# install the package
apt install virtualbox-guest-x11

# reboot the system
reboot

Now the resize should work.

Variant 2 => using VBox Guest addition image

Now we will install Vbox guest addition using VBox option.

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