智能运维
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How To Change Speed & Duplex of Ethernet Card in Linux with Ethtool Command
Introduction The configuration of your Ethernet Card defines how effectively your servers communicate. It is necessary to understand how Auto-Negotiation, Speed, and Duplex settings affect the transf…
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17 Nmap Commands with Examples for Linux Network & System Administrators
What is Nmap? Nmap, or Network Mapper, is an open source Linux command line tool for network exploration and security auditing. With Nmap, server administrators can quickly reveal hosts and services,…
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Best Tools to Monitor Network Bandwidth on a Linux Server
Introduction Monitoring network performance is important for preventing malfunctions and ensuring quality. Such a practice tells you whether your network is running slow and what may be the cause of …
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How to Scan & Find All Open Ports with Nmap
Introduction Nmap is the world’s leading port security network scanner. The Nmap hosted security tool can help you determine how well your firewall and security configuration is working. This guide w…
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What is a Domain Name System (DNS) & How Does it Work?
What is Domain Name System or DNS? A Domain Name System (DNS) first emerged in the early 1980s. It represents a system of interconnected servers that store registered domain names and Internet Protoc…
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VMware vCloud Availability Tenant Setup Guide
This guide is intended for experienced system admins familiar with virtual machine technology and DRaaS solutions. What is VMware vCloud Availability? VMware vCloud Availability 3.0 (vCAV) is a singl…
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Veeam Availability Console 3.0 Quick Start Guide
Introduction This quick start guide is a resource for all phoenixNAP clients using the Veeam Availability Console (VAC) operated by PNAP. It provides the necessary information for a user to log in to…
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DSC Veeam Self-Service Backup Portal Guide
Introduction All phoenixNAP Data Security Cloud users are granted access to the Veeam Self-Service Backup Portal, a web-tool based on Veeam Enterprise Manager. The portal allows you to perform backup…
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How to Use rsync to Back up Data
Introduction Backing up data is an essential part of both individual and enterprise infrastructures. Machines with the Linux operating system can use rsync and ssh to facilitate the process. Rsync is…
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The Difference Between Backup vs Replication
Introduction The purpose of backup and replication is to prevent a catastrophic loss of data due to unforeseen events. Whether it is a natural disaster, failure of underlying hardware, or malicious s…