Linux VPS

Introduction Swap space is a vital element in Linux systems, acting as virtual memory when the physical RAM is full. This guide walks you through checking existing swap space, creating a swap file, configuring it, and enhancing performance for your system. Checking System Swap Information To determine whether your system has existing swap space, execute the following command:# swapon -s You can also check memory and swap usage with:# free -m Providing Adequate Storage SpaceBefore making s...

We restrict outbound traffic on port 25 to enhance network security and prevent spam or mass mailing from our servers. However, if you require port 25 to be opened, you can submit a request by providing the following details: The estimated number of emails you plan to send per day and per hour. The type of emails you will be sending or the intended purpose of your VPS. Your server's hostname.

Essential Linux Firewall Management Commands Firewalls play a crucial role in network security by acting as a protective barrier between a trusted internal network and untrusted external networks, such as the internet. They control the flow of incoming and outgoing traffic based on predefined security rules. Linux offers several firewall management tools, each with its own command set and configurations. Below is an overview of common commands for iptables, CSF (ConfigServer Security...

Zipping files in Linux is a simple process. Follow these steps: 1. Install the Zip Utility Before compressing files, check if the zip utility is installed on your system. Use the following commands based on your Linux distribution: For Ubuntu/Debian:            # sudo apt install zip For CentOS/Fedora:            # sudo yum install zip   2. Compress a File or Folder Once the zip utilit...

Essential Commands for Checking Storage Usage Here are key commands to analyze storage devices and their usage status: List available drives and their mount points: # lsblk Display disk usage for each filesystem, including total size, used space, and usage percentage: # df -h  Check the size of a specific directory: # du -sh /home Advanced Commands for Storage Analysis Summarize overall disk usage:To get a quick overview of the largest files and directories cons...

Steps to Set SSH Timeout on Your Server Connect to the Server via SSHRun the following command to log in to your server: ssh <username>@<ip_address> -p <port> Edit the SSH Configuration FileOpen the SSH configuration file using the nano editor: sudo nano /etc/ssh/sshd_config Note: You can use vim or any other text editor if preferred. Locate the ClientAliveInterval SettingIn the opened file, find the line containing ClientAliveInterval . If...