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  • Latest Tutorials
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    • A – Z Linux Commands
    • 100+ Linux Commands
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DNS

Install Dnsmasq on CentOS

How to Setup a DNS/DHCP Server Using dnsmasq on CentOS/RHEL 8/7

A Dynamic Host Configuration Protocol (DHCP) server dynamically assigns IP addresses and other network configuration parameters to each device on

Install Bind DNS Server on RHEL 8

Setting Up Bind As a Private DNS Server on RHEL 8

The Domain Name System (DNS) is a method used to translate human-readable domain names (or Fully Qualified Domain Names (FQDN))

Setup Local DNS Using /etc/hosts File in Linux

How to Setup Local DNS Using /etc/hosts File in Linux

DNS (Domain Name System or Service) is a hierarchical decentralized naming system/service that translates domain names into IP addresses on

Setup Cache-Only DNS in RHEL and CentOS 7

Install and Configure Caching-Only DNS Server in RHEL/CentOS 7 – Part 10

DNS servers comes in several types such as master, slave, forwarding and cache, to name a few examples, with cache-only

Install PowerDNS and PowerAdmin in CentOS

How to Install and Configure ‘PowerDNS’ (with MariaDB) and ‘PowerAdmin’ in RHEL/CentOS 7

PowerDNS is a DNS server running on many Linux/Unix derivatives. It can be configured with different backends including BIND style

Setup Cahing DNS Server in CentOS 7

How to Install and Configure ‘Cache Only DNS Server’ with ‘Unbound’ in RHEL/CentOS 7

Caching name servers using ‘Unbound‘ ( is a validating, recursive, and caching DNS server software ), back in RHEL/CentOS 6.x

Cache Only DNS Setup in CentOS

Setup Caching-Only DNS Server Using “Bind” in CentOS 6.5

There are several type of DNS servers such as master, slave, forwarding and cache, among them Caching-Only DNS is the

Setup Master Slave DNS in CentOS

Setup Master-Slave DNS Server Using “Bind” Tools in RHEL/CentOS 6.5

Domain Name Server (DNS) used for name resolving to any hosts. Master DNS servers (Primary Server) are the original zone

Setup DNS Cache in Ubuntu

Setting up a Caching DNS Server in Ubuntu Server 14.04

Domain Name Service (DNS) is a Naming service that maps IP addresses and fully qualified domain names to one another.

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Linux Server Monitoring Tools

btop: A Modern and Resourceful System Monitor

Netdata – A Real-Time Performance Monitoring Tool for Linux Systems

GoAccess (A Real-Time Apache and Nginx) Web Server Log Analyzer

Iotop – Monitor Linux Disk I/O Activity and Usage Per-Process Basis

Setting Up Real-Time Monitoring with ‘Ganglia’ for Grids and Clusters of Linux Servers

How to Automate Daily Linux Health Checks with a Bash Script + Cron

Learn Linux Tricks & Tips

fuser – Find and Kill Processes by File, Directory, or Port

sort and uniq: Clean and Count Log File Entries in Linux

Translate rwx Permissions into Octal Format in Linux

How to Add a New Disk Larger Than 2TB to An Existing Linux

8 Practical Examples of Linux “Touch” Command

How to Stop a Process Blocking a Port in Linux

Best Linux Tools

Top 5 Diagram Tools for Linux Users in 2025 (Free & Open-Source)

8 Best PowerPoint Alternatives for Linux

13 Most Used Microsoft Office Alternatives for Linux

27 Best Tools for VMware Administrators in 2024

5 Most Frequently Used Open Source Shells for Linux

10 Best Linux File and Disk Encryption Tools (2024)

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