Category: DevNet

Microsoft Playwright Automation Tool

Playwright is a browser automation tool released by the Microsoft team. Another popular tool similar to it is Selenium. Playwright has a significant advantage in recording and generating code. Installation Generate code We can...

How to use Crontab on Ubuntu server

Crontab is a command used to execute tasks regularly in Linux/Unix operating systems. It is very suitable for repetitive tasks. I am using Ubuntu 20.04 LTS, but the crontab commands in most linux distributions...

Understanding RESTCONF

Basic Concepts of RESTCONF Derived from Netconf Model definition in YANG The request/response data is XML or JSON Using HTTPS methods(GET / PATCH / POST / DELETE / PUT) RESTCONF URI format: /<api-entry>/<resource-type>/<yang-module:resource> Yang...

Using the Cisco UI kit

Cisco UI kit is part of DevNet and can be used to develop web applications, here is the GitHub page. Installation Create a folder and clone the UI Kit source from Github. Use the...

Paramiko and Netmiko examples

Paramiko example: Netmiko example: Common error´╝Ü If the Python file name is paramiko.py or netmiko.py, the following error will occur. Changing the file name can solve this problem.

DevNet Professional

In the past June 8th, I successfully passed the DevNet exam and became Cisco Certified DevNet Professional. This is my first Cisco certificate and it means a lot to me. I hope I can...

Install Grafana and InfluxDB on Ubuntu server

Install Grafana Installation Start the server Verification Access to http://{ip address}:3000/, the default username and password is admin/admin. Install InfluxDB Installation Start the server Verification In the next article I will discuss how to...

Upload Yang Models to the Yang-explorer

In the previous article, we discussed how to install Yang Explorer. Now we need to upload Yang Models to the Yang Explorer. Manage Models – Workspace – Add Select the Yang Models file, then...

Install Yang Explorer on Ubuntu

I am learning DevNet recently, so I installed Yang Explorer on Ubuntu server. The following is the installation process. Install required packages Install Yang Explorer Configure IP address Run Yang Explorer in the background...

Ansible uses ad-hoc to perform tasks

In the previous article I installed Ansible on Ubuntu, in this article I will discuss how to use Ansible. There are two ways for Ansible to perform tasks, ad-hoc and playbook. Here I will...

Install Ansible on Ubuntu

The installation environment is Ubuntu 19.10. Upgrade packages Install Ansible Verification ansible.cfg: This is the ansible configuration file.hosts: The hosts file includes the device information( IP address, etc.). Documentation Installing Ansible on Ubuntu https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html#installing-ansible-on-ubuntu

Embedded Event Manager simple example

EEM can be used for monitoring, or triggered by specified conditions (change configuration, etc.). The following is Cisco official document. Embedded Event Manager (EEM) is a distributed and customized approach to event detection and...

Configure guestshell on Cisco CSR 1000V

1. Enable IOx 2. Confirm IOx status We can see IOx service (IOxman): Not Ready. This may take a few minutes. 3. Configure port If the port is not configured correctly, the following error...