Network and security specialist focused on VPN protocols, proxies and server hardening. Cooper spends his days breaking and fixing tunneling setups (WireGuard, V2Ray, Xray) so readers can follow battle-tested configurations instead of guesswork.
567 posts
What you will read?1 Configuring the New Port2 Updating Firewall Rules3 Why Change the SSH Port?4 Testing the New SSH Port5 Final Steps SSH, or Secure Shell, is a protocol designed for secure communication between computers over an unsecured network. It provides encrypted channels, ensuring that data transmitted is protected from eavesdropping or tampering. SSH…
What you will read?1 Installing the SSH Server on Arch Linux2 Starting and Enabling SSH Service on Arch Linux3 Testing SSH Access on Arch Linux SSH (Secure Shell) is a network protocol that allows secure access to a computer or server over an unsecured network. It is widely used for remote login, file transfer, and…
What you will read?1 How to Check if SSH is Installed on Fedora2 Troubleshooting Root Login Issues via SSH3 Disabling Root Login via SSH After Use Open the SSH configuration file using a text editor like nano or vi: sudo nano /etc/ssh/sshd_config Enable Root Login Locate the following line in the configuration file: #PermitRootLogin prohibit-password…
What you will read?1 Updating the Firewall Settings2 Why Change the SSH Port?3 Testing the New SSH Port Changing the SSH port in Ubuntu 22.04 involves modifying the SSH configuration file and adjusting the firewall settings. Here’s a step-by-step guide on how to change the SSH port: Editing the SSH Configuration File Open the SSH…
What you will read?1 Changing the Root Password in Rocky Linux2 Restoring System Configurations in Rocky Linux The root password in Rocky Linux serves as the key to managing and securing the system. It grants the highest level of access, allowing you to configure settings, manage users, and troubleshoot issues. However, forgetting the root password…
What you will read?1 Accessing Single User Mode for Root Access2 Step-by-Step Guide to Reset Root Password3 Why Change the Root Password?4 Alternative Methods for Changing Root Password5 Troubleshooting Common Issues In openSUSE Tumbleweed, the root password is a crucial element for system administration. The root user has the highest level of privileges, allowing unrestricted…
What you will read?1 Methods for Resetting Password in Manjaro2 Why It Might Not Work?3 Dealing with Encryption and Security Restrictions Password recovery in Manjaro Linux can be a straightforward process, but it requires a basic understanding of the system’s security layers. Unlike other operating systems, Linux distributions like Manjaro use a unique user and…
What you will read?1 Accessing Recovery Mode2 Resetting the Root Password3 Changing the User Password4 Exiting Recovery Mode5 Using a Live USB for Password Reset6 Troubleshooting Common Issues7 Preventing Future Password Loss8 Restoring Default Settings Forgetting your password can be a frustrating experience, especially when it locks you out of your Linux Mint 20 system.…
What you will read?1 Configuring the New Port2 Restarting and Enabling Services3 Verifying Port Change Success4 Why Change the Default Port?5 Security Benefits of Changing Default Ports Changing ports on a Linux server is a fundamental task in server management and security optimization. Default ports, such as 22 for SSH, are well-known and often targeted…
