If you use SSH to connect to servers, you might encounter the “SSH Permission Denied” error. This error usually happens when there are SSH key management ..read more

MySQL Error 1045 happens when you attempt to access your MySQL database via WordPress but it will deny permission. It will happen if you use the ..read more

Virtualization offers many advantages for backup and recovery operations, which are essential for data protection and operational continuity. It enables agentless, image-based, host-level backups, capturing entire VMs, including VM configurations and data as well.  It is important to protect the ESXi hosts for proper VM performance. Backing up the ESXi host configuration will allow for a quick recovery without rebuilding the server from scratch. Now, Let’s see the 2 methods to back up the ESXi Host configuration. Method 1: Using the ESXi Command Line to Back up ESXi Hosts Using the ESXi ..read more

  In today’s rapidly evolving tech landscape, AI tools are becoming more sophisticated and widespread. While they offer incredible potential, they also introduce significant security risks. Modern malware leverages AI techniques to bypass traditional antivirus software, rendering old-school defenses ineffective against new threats. AI in cybersecurity is crucial for developing advanced defenses to counter these AI-driven attacks and ensure robust protection. The emerging risks are: Incorrect or Biased Outputs: AI can generate flawed or prejudiced results. Vulnerabilities in AI-Generated ..read more

Did you forget your RHEL Linux root password? Don’t worry, resetting a root password is not a difficult task. It can be completed in a few steps by accessing the kernel parameters from the GRUB boot loader. After that, log in with your new password. Now, let us see the steps to change and reset the root password on RHEL: Reset Forgotten Root Password in RHEL First, reboot your system. At the boot GRUB menu, select the Kernel and press the ‘e’ key to interrupt the boot process. After entering the Kernel boot parameter, go to the line that starts with Linux and press ctrl+e to go to the end of ..read more

A site-to-site VPN helps to establish a secure connection between two separate locations. This configuration enables smooth communication among devices on the first or second network. Advanced settings can further refine the traffic limits, but the primary focus is to successfully set up the site-to-site VPN connection. There are two types of configurations – A site-to-site VPN in UniFi using IPsec and OpenVPN. Both IPSec and OpenVPN setups can be tricky, especially when dealing with double-NAT configurations. If you have a double-NAT (UniFi device behind a router), you want to set up port f ..read more

Imunify360 is a comprehensive, multilayered web server security platform. Antivirus, Firewall, WAF, PHP Security Layer, Patch Management, and Domain Reputation all have a simple user interface and sophisticated automation capabilities. It also offers Stand-alone installation. You can follow this step-by-step process to install the Imunify360 on Plesk. Steps to set up Imunify360 on Plesk Log on to the server as the root user or sudo via SSH. Now run the following command to install Imunify360. wget https://repo.imunify360.cloudlinux.com/defence360/i360deploy.sh -O i360deploy.sh To add the ..read more

The vCenter Server Appliance is a preconfigured Linux virtual machine that is designed to operate VMware vCenter Server and its associated services on Linux. VMware adds a native backup function to the VAMI interface. This allows you to backup vCenter databases, events, and configurations. This native method enables quick backups and restore configurations when required. Let us see how to configure the vCenter Backup setup process, Configure FTP Server To create a backup for the vCenter server, it is necessary to have an FTP server. For this, we set up a FileZilla FTP server on a Windows serv ..read more

Mongodump is a simple MongoDB backup tool that generates high-quality BSON files inside the MongoDB database. It is a good backup option for small MongoDB instances due to its ease of use and portability. This tool offers commands for backing up data at the query, collection, or database level. Furthermore, MongoDB has a complimentary tool called mongorestore, which allows you to restore data from distributed backups to a new or existing MongoDB database. So, now let’s follow the steps to backup and restore data using the Mongodump database command. Create Direct Backups To run mongodump, u ..read more

  Let’s see the three efficient methods to upgrade from ESXi 7 to ESXi 8 and ensure a smooth transition while optimizing your virtualization environment with this guide. Before upgrading to ESXi 8, make sure to review the ESXi requirements such as hardware and compatibility requirements. When upgrading, consider the three different ways and choose the one that best fits your setup and requirements. Using the ISO Using the command line Using vSphere Lifecycle Manager Note: While upgrading ESXi hosts, you must ensure to update the vCenter Server first. If you fail to upgrade your environ ..read more