How can I see the bandwidth consumption of my server in real time? 

To monitor bandwidth usage in real-time on a VitalPBX 4 server, there are several tools you can use. Below are some of the most popular: 

1. iftop: iftop displays real-time bandwidth usage on a network interface. It’s similar to top, but instead of displaying CPU usage, it shows network activity. 

Installation: 

Usage: 

2. nload: nload displays real-time graphs of incoming and outgoing traffic. 

Installation: 

Usage: 

3. vnStat: vnStat doesn’t exactly show in real-time, but it logs bandwidth usage over time and can show statistics by hours, days, and months. 

Installation: 

Configuration and Usage: 

To initialize vnStat’s database on an interface (e.g., `eth0`): 

To view the statistics: 

4. bmon: bmon is another tool that displays real-time network traffic, offering various views and details about network activity. 

Installation: 

Usage: 

5. NetHogs: NetHogs displays traffic per process, which can be useful to pinpoint which application or process is consuming bandwidth. 

Installation: 

Usage: 

These tools will give you a detailed view of how and where bandwidth is being used on your server. You can choose the one that best fits your needs. 

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Updated on December 4, 2023