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Devnet Linux

Install Docker in Ubuntu

In this article we will learn how to install Docker on an Ubuntu 20.04 operating system. 1.-Installing the initial requirements with the following commands. sudo apt-get update sudo ...
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Devnet Linux

Creating a virtual environment with VENV – Python

This article teaches how to set up a python virtual environment on a Ubuntu 20.04.An Environment Virtual allows you to manage separate package installations for different projects. They ...
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Devnet Linux

Install python in Ubuntu 20.04

Python 3 is installed by default on the Ubuntu 20.04 Linux distribution. To ensure that our versions are up to date, we will update and upgrade the system ...
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Devnet Linux

Basic Git Commands

We show you the most common Git commands in this Cheat Sheet. It is difficult to memorize all the important Git commands, so save this article for future ...
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Security

Umbrella and YouTube live streaming issues

A few days ago, we decided to enable Enforce SafeSearch in some Umbrella policies. However, we received several reports with problems accessing YouTube live streaming. After the change, ...
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Enterprise Infrastructure

Switched Port Analyzer (SPAN and RSPAN)

SPAN (Switched Port Analyzer) is a feature that allows copying traffic from a source port or switch vlan to a destination port. In this article, we will discuss: ...
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Enterprise Infrastructure

Configure AAA Switch Cisco IOS

AAA – Authentication, Authorization, AccountingAuthentication: Who is the user?Authorization: What can the user do?Accounting: What did the user do? Cisco switches use two protocols for communication with AAA ...
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Enterprise Infrastructure

Configuring Port Security in Cisco Switch IOS

This feature controls the number of MAC addresses per port.The maximum number of MAC addresses per port can be configured (default is 1).The MAC addresses can be configured ...
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Security

Configure SNMP on ASA Firewall

SNMPv2 Specify the recipient of an SNMP notification, indicate the interface from which traps are sent, and identify the name and IP address of the NMS or SNMP ...
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Enterprise Infrastructure

Configure Storm Control in Cisco IOS

Storm control is a feature used to remedy broadcast, multicast, and unicast unknown overruns in the LAN network. Thresholds are configured, and action is taken if these thresholds ...
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Enterprise Infrastructure

Configuring SNMP on Cisco IOS

Simple Network Management Protocol (SNMP) Configuring SNMPv2C  The following commands are used to configure SNMPv2C: Switch(config)# snmp-server host host-address [ informs] version 2c community-string Switch(config)# snmp-server community string ...
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Enterprise Infrastructure

Configuring NTP on Cisco IOS

Network Time Protocol (NTP) is used for centralized synchronization of the date and time of devices. It works over UDP port 123.  NTP operation modes: Server: the device ...
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Security

Upgrade FMCs in a High Availability

Equipment to be used: FMC 2600 with version 6.4.0.10 The objective is to upgrade the FMC in HA to version 6.6.4 Before you begin, I recommend that you ...
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Devnet Linux

Install Visual Studio Code on Ubuntu 20.04

Visual Studio Code is a source code editor developed by Microsoft. For the installation, we will use a Snap package. Snaps are application packages that are easy to ...
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Devnet Linux

Installing Ubuntu on VMWare Fusion

Let’s see a simple guide to creating a virtual machine with Ubuntu operating system in VMware Fusion. Open the program VMware Fusion File > New Click on Continue ...
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