CompTIA Linux+ Portable Command Guide: All the commands for the CompTIA XK0-004 exam in one compact, portable resource, 2nd Edition

Chapter 3. Given a scenario, configure and verify network connection parameters

This chapter provides information and commands concerning the following topics:

Diagnostic tools

• ping

• netstat

• nslookup

• dig

• host

• route

• ip

• ethtool

• ss

• iwconfig

• nmcli

• brctl

• nmtui

Configuration files

• /etc/sysconfig/network-scripts/

• /etc/sysconfig/network

• /etc/hosts

• /etc/network

• /etc/nsswitch.conf

• /etc/resolv.conf

• /etc/netplan

• /etc/sysctl.conf

• /etc/dhcpd.conf

Bonding

• Aggregation

• Active/passive

• Load balancing

Diagnostic Tools

ping

The ping command is used to verify that a remote host can respond to a network connection:

Click here to view code image

 [root@OCS ~]# ping -c 4 google.com PING google.com (172.217.5.206) 56(84) bytes of data. 64 bytes from lax28s10-in-f14.1e100.net ...