Ubuntu Unleashed 2019 Edition: Covering 18.04, 18.10, 19.04

CHAPTER 18 Networking IN THIS CHAPTER Laying the Foundation: The localhost Interface Checking Connections with p ...

some way. This chapter covers network and Internet connectivity, as most networks invariably end up connected ...

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 l ...

127.0.1.1 seymour # The following lines are desirable for IPv6 capable hosts ::1 localh ...

traceroute, and mtr If all worked properly in the preceding section, you should now be able to use the ping ...

working. Depending on the command, you might also receive information that helps you find and troubleshoot ...

7 ins-db3-te-0-7-0-0.desm.netins.net (167.142.67.182) 7.845 ms 5.145 ms 5.131 ms 8 216.17 ...

includes three protocols even though only two appear in the name. The suite consists of Internet Protoc ...

TCP/IP Addressing To understand networking with Linux, you need to know the basics of TCP/IP addressing. Interne ...

reserved for local network use. There are a possible 2,097,150 Class C networks of up to 254 hosts ea ...

You can get a good overview of the differences between IPv4 and IPv6 policies regarding IP address assignments ...

institutions, and individuals that rely on a “moat mentality” have often discovered to their dismay that ...

matthew@seymour:~$ ssh -p 2224 remote_host_name_or_IP IPv6 Basics Much of what this chapter discusses is va ...

Mobile IP IPv6-to-IPv4 transition mechanisms There are different types of IPv6 addresses. Unicast addres ...

three per section—are also omitted. When this is done, the result is called the canonical form. For exam ...

::1/128 is the loopback address. ::/128 is the unspecified address. ::IPv4-address/96 are the IPv4-compatible addresses. ...

enough to have its own HR department and payroll section, you could put those departments’ hosts on their ...

multicast, and broadcast. Each type of address is used according to the purpose of the information being sent ...

similar to this: 00:60:08:8F:5A:D9. The hardware address is used by DHCP (see the section “Dynamic Host Con ...

for gradual network upgrades and usually does not require rewiring the whole network. Nearly every known 100BAS ...