Another way to check the internet connection is through the CURL command. The CURL command is used to download, upload, or transfer the data over the network from or to the server. It supports various protocols, and we can use it to check the internet connectivity by connecting to linuxhint...
When it comes to monitoring network connections,conntrack-toolsis very useful.conntrack-toolsare a suite of user-space utilities that allow you to view and manage network connection states that the Linux kernel keeps track of. To useconntrack-tools, Linux kernel2.6.18or later is needed. Load Ne...
Sockets are the combination oflocal and remote IP addresses, aprotocol,andlocal and remote port– representing a connection between two network services. You might think that this tool would then only show ports that have an active connection – that’s why the-loption is there, to show socke...
After restarting the network services, try running ping again both ways. Check your firewall settings if ping works in one direction but not in the other. Find out where the connection fails When basic troubleshooting doesn’t resolve the issue, test network routes using tools likemtr, tracerou...
Using tcptrack to Test Network Activity TCPtrack shows the connection status for a network interface. When your machine’s network is active, run this tool to view andmonitor bandwidthspeed and usage. To install tcptrack on Linux Ubuntu, enter: ...
Question: I am testing a network interface card (NIC), and currently ifconfig command reports huge numbers on RX/TX and error/dropped counters on some interface. Is there a way to reset ifconfig packet counters on a network interface without rebooting the server?
The components are arranged in groups that form network layers, which stack on top of each other in order to form a complete system. The Linux kernel handles networking in a similar way to the SCSI subsystem described in Chapter 3. 计算机通过使用一系列组件来回答这些问题,每个组件负责发送、接收...
SSH is a cryptographic network protocol that lets you control and modifies a remote computer over the internet. This protocol ensures security even through a vulnerable network. Most of the Linux distros use OpenSSH, an open-source project implementing t
In case of no network connectivity or 100 percent packet loss, another possibility can be the absence of any network interface. Run theipcommand to check the status of all the available interfaces on your system: ✕Remove Ads ip addshow ...
As soon as a listening socket gets an incoming connection, it creates a child socket and uses it to establish the connection. You can then usethe Linux tcpdump utilityto monitor and filter packets on your network. Display TCP, UDP, and Unix Connections On Linux, there are various types of...