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We will install bind9   Next, open the archive /etc/bind/named.conf.local In “zone” we will include the name of our local company Next, add the archive /etc/bind/db.empresa.local (in our Offtube case) We will establish this configuration Then go to this following file Please note that this configuration can be changed from v6 to v4.   We … Read more

First farem an update We will create the local users with “sudo adduser” and the name (nmoerno,mramos,cromero) We will create folders in the home of the users created with a special section for the ftp, also, we will set the necessary permissions Next, open the archive “/etc/vsftpd.userlist” On configure the users who have access to … Read more

First installer of the dhcp server Next, open the file /etc/dhcp/dhcp.conf With a DNS, the configuration of this file is reflected in our domain name, and we must also define the interfaces of our VLANS configured on the switch and the host card. Next, open the file /etc/default/isc-dhcp-server Enable IPv4 VLANS   We will restart … Read more

User configuration in Linux User Configuration in Windows To create users, open “Settings”, “Accounts”, “Family and other users”

🔐 User Privilege Management👤 User “super”🔹 Privileges: ❌ None. This user has no access to any system functionality and cannot perform operations.🔹 Recommended Use: System accounts that must exist but without active permissions. 🏆 Roles with Privileges 👑 Higher (Total Administrator)✅ Full access to all administrative functions.✅ Can assign, modify, or revoke privileges of other … Read more

Selection of an Appropriate System for Restoring the Operating System in Case of Error or Failure To ensure security and efficiency in restoring the operating system in case of an error, several options have been considered, both for Windows and Linux. The selection is based on criteria such as reliability, ease of use, compatibility, and … Read more

📌 Backup Recovery Policy 🔄🛠️The backup recovery policy is essential to ensure the operational continuity of Offtube and the protection of critical data. This document outlines the necessary procedures to restore information safely and efficiently in the event of loss, corruption, or attack on the infrastructure. 1️⃣ Policy Objectives✅ Ensure the integrity and availability of … Read more

Backup Server Preparation To secure the security copies, we will need an SFTP server that you received. We will create a user and a folder for the backup and assign the appropriate permissions Installing Restic to the server Install Restic with the command “sudo apt install Restic” Start with the command “sudo restic -r /backup/restic/ … Read more

📌 Rules and Mechanisms for Creating Periodic Backups 1️⃣ Purpose of Backups 🔄💾 Backups are essential for protecting Offtube’s information against data loss, human errors, cyberattacks, and technical failures. This policy establishes clear guidelines to ensure data is saved periodically and securely. Main objectives: ✅ Prevent the loss of critical data. ✅ Minimize recovery time … Read more