If you ensure that the physical network is working, the next step is to troubleshoot your network and here we come to our topic, which is Linux network commands and how to use them for troubleshooting your netw
This article contains some of the common and important commands of Linux system toget and set the network settings like IP Address, Subnet Mask, and Gatewayetc. Linux ifconfig Command This command is used to get and set the IP Address, Subnet Mask and other network related information on Lin...
Network Manager andnmcliare a complete solution for network configuration. If you have never used it before, start with some of the basic commands and gradually move to more complex settings. Consult the man pages and examples to execute specific tasks. Next, let's review some commands that he...
Most of the tasks covered in this chapter will generally have to be done only once. Afterward, you have to touch most configuration files only when adding a new system to your network or when you reconfigure your system entirely. Some of the commands used to configure TCP/IP, however, have...
The traditional commands used for executing commands on remote hosts are rlogin, rsh and rcp. We saw an example of the rlogin command in Chapter 1, Introduction to Networking in the section "Introduction to TCP/IP Networks". We briefly discussed the security issues associated with it in "Syste...
Check Open Ports in Linux [2 Simple Commands] Which ports are occupied by which service? How many open ports are there? Learn to scan for open ports on your Linux system or any remote system. Linux HandbookTeam LHB 7. Capturing Packets Sent to a Specific Destination IP ...
The ip command is the Swiss army knife of Linux networking commands. We are looking specifically at ip link, the command used to name and modify network interfaces. To list all interfaces, use the following: [tcarrigan@rhel ~]$ ip link show 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qd...
NCLU resides in the Linux user space and provides consistent access to networking commands directly through bash, making configuration and troubleshooting simple and easy; no need to edit files or enter modes and sub-modes. NCLU provides these benefits: ...
These example commands set the network interface to use FD (Flexible Data) mode with a bus bit rate of 500 kbps and a data bit rate of 1 Mbps, enter the commands: $ ip link set can0 up type can bitrate 500000 dbitrate 1000000 berr-reporting on fd on $ ip link set can1 up type...
ifupcommands fails with below error when try to bring up ens3 interface. Raw # ifup ens3 Error: unknown connection '/etc/sysconfig/network-scripts/ifcfg-ens3'. Environment Red Hat Enterprise Linux 8 Subscriber exclusive content A Red Hat subscription provides unlimited access to our knowledgebase...