Part I. network management
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Part I. network management
Table of Contents
1. general networking
network layers
seven OSI layers
four DoD layers
short introduction to the physical layer
short introduction to the data link layer
short introduction to the network layer
short introduction to the transport layer
layers 5, 6 and 7
network layers in this book
unicast, multicast, broadcast, anycast
unicast
multicast
broadcast
anycast
lan-wan-man
lan
man
wan
pan-wpan
internet - intranet - extranet
tcp/ip
history of tcp/ip
rfc (request for comment)
many protocols
many services
2. interface configuration
to gui or not to gui
Debian nic configuration
/etc/network/interfaces
/sbin/ifdown
/sbin/ifup
RHEL nic configuration
/etc/sysconfig/network
/etc/sysconfig/network-scripts/ifcfg-
nmcli
nmtui
/sbin/ifup and /sbin/ifdown
ifconfig
up and down
setting ip address
setting mac address
ip
dhclient
hostname
arp
route
ping
optional: ethtool
practice: interface configuration
solution: interface configuration
3. network sniffing
wireshark
installing wireshark
selecting interface
minimize traffic
sniffing ping
sniffing ping and dns
specific ip address
filtering by frame
looking inside packets
other filter examples
tcpdump
practice: network sniffing
solution: network sniffing
4. binding and bonding
binding on Redhat/Fedora
binding extra ip addresses
enabling extra ip-addresses
verifying extra ip-addresses
binding on Debian/Ubuntu
binding extra ip addresses
enabling extra ip-addresses
verifying extra ip-addresses
bonding on Redhat/Fedora
bonding on Debian/Ubuntu
practice: binding and bonding
solution: binding and bonding
5. ssh client and server
about ssh
secure shell
/etc/ssh/
ssh protocol versions
public and private keys
rsa and dsa algorithms
log on to a remote server
executing a command in remote
scp
setting up passwordless ssh
ssh-keygen
~/.ssh
id_rsa and id_rsa.pub
copy the public key to the other computer
authorized_keys
passwordless ssh
X forwarding via ssh
troubleshooting ssh
sshd
sshd keys
ssh-agent
practice: ssh
solution: ssh
6. introduction to nfs
nfs protocol versions
rpcinfo
server configuration
/etc/exports
exportfs
client configuration
practice: introduction to nfs
7. introduction to networking
introduction to iptables
iptables firewall
practice : iptables
solution : iptables
xinetd and inetd
the superdaemon
inetd or xinetd
xinetd superdaemon
inetd superdaemon
practice : inetd and xinetd
network file system
protocol versions
server configuration
client configuration
practice : network file system