Linux administration
Ubuntu 24.04 - Root password reset
If you have lost the root user password and cannot log in, this guide will help you reset it. To reset the password, you will need console access to the server. Go to the Customer portal → Server page → VNC Console. This provides direct access to the server's console, even if SSH is unavailable.
How to work with LVM
LVM is a special Linux OS subsystem that provides additional options for managing partitions on hard disks. Explore installation, configuration steps & more in this article.
How to setup vsftpd FTP server on CentOS 6
This article will guide you through the process of setting up vsftpd to allow a user to upload files to his or her home directory using FTP. Learn more.
How to reset the root password on Ubuntu 16.04 on a dedicated server
If you have lost the root password of your server, and you cannot access the server as root, then this article will help you resolve this issue.
How to install LAMP on CentOS 6
LAMP is an acronym for Linux, Apache, MySQL, and PHP. All of these components together allow obtaining a full web-server. Each of them is responsible for a certain component of web-hosting.
How to install Ubuntu with software RAID-1
RAID "Redundant Array of Independent Disks" is a method of using multiple disks for different combinations to increase the reliability of data storage and/or improve performance of read/write operations, depending on the RAID level.
How to setup FTP server on Ubuntu 16.04
FTP-server is the best solution if you want to upload files on a server or give access to your employees to set up your website. Uncover installation steps in this blog.
How to reset the root password on CentOS 6 and CentOS 7
If you have lost the root password of your server, this article will help.
Using Monit process monitoring on Ubuntu/Debian
Monit is an open-source monitoring tool for Linux operating systems. This article will guide you through basic Monit setup on Ubuntu/Debian operating systems.
How to add new SSH key to a cloud server
To use а SSH key pair to connect to a server, the "public" part of the pair has to be placed on the server. Please refer to the first section of the "How to create and access a Linux-based cloud server via an SSH key" article for instruction on how to generate key pairs under Windows, Mac, and Linux.
How to provide the technical support team with network diagnostic results
If you are facing a network connectivity issue with your server, our support team may ask you to run several network diagnostic tools and to provide their output.
How to setup floating IP using keepalived
Learn the basic setup of floating IP using the keepalived software on CentOS 7. The keepalived software uses VRRP protocol & IP multicasting for server communication.
How to copy files between Linux servers using rsync
Rsync – a file synchronization utility that helps you copy or transfer files locally to a remote server. Explore step-by-step instructions in our knowledge base article.
How to install Zabbix on CentOS 6.8 and Ubuntu 12.04
To install Zabbix on CentOS 6.8 and Ubuntu 12.04, follow our step-by-step instructions in this knowledge base article.
How to install Munin on Ubuntu and CentOS
Munin is a free monitoring system that allows you to collect data from multiple servers & display it in graphs. Uncover installation & configuration steps in this article.
How to protect SSH using fail2ban on Ubuntu 16.04
If your SSH server is vulnerable to password-cracking attacks, this article guides you through how to protect SSH from malicious use of the fail2ban package on Ubuntu 16.04
How to reset root password on Ubuntu 16.04 Cloud Server
Lost the root password of your server? You can restart the server in single-user mode & set a new password. To do this, access the server console via customer portal.
How to protect SSH using fail2ban on CentOS 6
If your SSH server is vulnerable to password-cracking attacks, this article guides you to protect SSH from malicious use of the fail2ban package on CentOS 6.
How to install nano text editor in Linux
In this article, we'll guide you through the installation and basic usage of nano on Linux.
Connecting to a remote server via SSH
Use the "ssh" utility on your local machine to connect to a remote server via SSH. This applies to Linux, macOS and Windows 10. Use Terminal under macOS and Linux to call the ssh utility. On Microsoft Windows 10, use PowerShell.
How to create a new SSH key pair
To create a new SSH key pair, run the "ssh-keygen" utility on your local machine. The "ssh-keygen" utility is available on all major operating systems. In macOS or Linux, run "ssh-keygen" in the Terminal app. On Windows, run "ssh-keygen" in the Command Prompt app.
How to replace password-based SSH authentication with key-based
Secure your SSH access by setting up key-based authentication first & disabling password-based access afterward. Follow our step-by-step guide to avoid any issues.
How to limit SSH access by IP addresses using firewall
Want to make SSH on your server or a set of servers accessible only from specific IP networks? Set up host-based firewall rules using iptables, nftables, ufw & firewalls.
How to disaggregate network interfaces on a Proxmox server
This article uncovers the steps of link disaggregation on a Proxmox server. The process consists of actions performed both on the Proxmox server end & on a switch.
