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Linux Networking Tutorials
Last updated: May 13, 2026
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Basic Networking Commands
- ifconfig Command in Linux
- Using FTP Command to Transfer Files
- Using Telnet in Linux
- Introduction to iptables
- The netcat Command in Linux
- The socat Command in Linux
- The traceroute Command in LINUX
- Actual Use of the Linux arp Command
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Network Interfaces
- Understanding and Configuring Linux Network Interfaces
- Creating Network Interfaces and Checking Interface Types
- How to Rename a Network Interface in Linux
- Properly Remove IP From an Interface Using the ip Command
- How to Restart a Network Interface
- Linux Network Bonding
- Bridging Network Interfaces in Linux
- What Is the TUN Interface Used For?
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Monitoring
- Network Monitoring Tools in Linux
- Sniffing Packet Using tcpdump in Linux
- Monitoring HTTP Requests on a Network Interface in Real Time
- Capturing Long Packets While Using tcpdump
- Passively Monitor TCP Packet Loss in Linux
- Filtering Packets by MAC Address With tcpdump
- Capturing the Network Traffic of a Process
- Detecting Who Pings My Computer
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Performance
- Testing Network Speed Between Two Linux Servers
- How to Check Internet Speed from the Linux Command Line
- Monitoring Network Usage in Linux
- How to Verify the Speed of My NIC
- Throttle Bandwidth on a Linux Network Interface
- How to Test DNS Speed
- Testing an Internet Connection From Bash
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Wireless Communication
- How to Setup WiFi Hotspot in Linux
- Connecting to a Wireless Network Through Linux CLI
- Where Are the WiFi Passwords Stored in Linux?
- How to Display Wireless/WiFi Information in Real-time in Linux
- Connect to a Bluetooth Device via the Terminal
- Transfer Files via Bluetooth in Linux
- How to Install a Realtek Wi-Fi Driver on Linux
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DNS
- How to Check Whether a DNS Server Is Working
- Configuring DNS in the resolv.conf File
- Linux Commands to Translate Domain Name to IP
- DNS Caching in Linux
- How to Resolve a Hostname in a Bash Script
- Checking PTR Records Using the Command Line
- Listing All DNS Records in a Domain Using dig
- Check Time-To-Live (TTL) For a DNS Record
- The /etc/resolv.conf File
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Firewall
- Checking Whether a Firewall Is Running on Linux
- iptables Chains and Tables Traversal in Linux
- Combining the LOG and DROP Rules of iptables
- Configuring firewalld for NFS Connections
- Difference Between OUTPUT and FORWARD Chains in iptables
- Block Ports Using iptables in Linux
- REJECT vs. DROP When Using iptables
- Difference Between NEW, ESTABLISHED, and RELATED Packets
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Forwarding and Routing
- Route Traffic for a Specific IP Over a Specific Network Interface
- Changing the Network Routing Metric Permanently
- Route Specific Subnet to a Particular Interface
- How to Use Linux as a Gateway
- iptables: Allow Traffic Only to a Single Domain
- Add Default Routes and Gateways to IPv6 Routing Table
- Kernel IP Forwarding
- How to Check Whether Port Forwarding Is Enabled on a Linux Machine
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