# Getting ip address/devices (you have to be root and the netlink tools
# installed)
# allowed shortcuts:
#
# address      a
# route        r
# show         s
# add          a
# delete       d
# set          s
# get          g
#
# syntax:
#
# ip address|route|link show|add|delete|set|get [ip-addressss/mask] [dev [device]] [up|down]
#

# getting the ip addresses

> ip address show      # is the same as: "ip a s" or: "ip a"
1: lo:  mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 brd 127.255.255.255 scope host lo
2: eth0:  mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:03:47:c4:0d:75 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.1/24 brd 192.168.0.255 scope global eth0
13: ppp0:  mtu 1500 qdisc pfifo_fast qlen 3
    link/ppp
    inet 80.121.6.248 peer 172.19.92.167/32 scope global ppp0

# getting the routing table

> ip route show        # the same as: "ip r s" or: "ip r"
172.19.92.167 dev ppp0  proto kernel  scope link  src 80.121.6.248
192.168.0.0/24 dev eth0  scope link
127.0.0.0/8 dev lo  scope link
default via 172.19.92.167 dev ppp0

# getting the devices

> ip link show         # the same as: "ip l s" or: "ip l"
1: lo:  mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0:  mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:03:47:c4:0d:75 brd ff:ff:ff:ff:ff:ff
13: ppp0:  mtu 1500 qdisc pfifo_fast qlen 3
    link/ppp

# deleting an ip address

# before deleting:
> ip a s dev eth0              # = ip address show dev eth0
2: eth0:  mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:03:47:c4:0d:75 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.1/24 scope global eth0

# deleting the ip: "ip address delete 192.168.0.1/24 dev eth0"
> ip a d 192.168.0.1/24 dev eth0

# after deleting:
> ip a s dev eth0
2: eth0:  mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:03:47:c4:0d:75 brd ff:ff:ff:ff:ff:ff

# shutting down a device ( ip link set dev eth0 down ):

>ip l s dev eth0 down

# adding an ip address ( =  ip address add 192.168.0.1/24 dev eth0 ):
> ip a a 192.168.0.1/24 dev eth0
# the result:
> ip a s dev eth0
2: eth0:  mtu 1500 qdisc pfifo_fast qlen 100
    link/ether 00:03:47:c4:0d:75 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.1/24 scope global eth0

# starting up a device ( not always necessary )

> ip l s dev eth0 up

# getting the route to a specific address ( = ip route get 198.168.0.10 )

> ip r get 198.168.0.10
198.168.0.10 via 172.19.92.167 dev ppp0  src 80.121.6.248
    cache  mtu 1500 advmss 1460

# deleting a route ( = ip route delete 192.168.0.0/24  dev eth0 ):

> ip r d 192.168.0.0/24 dev eth0

# the result
>ip r
172.19.92.167 dev ppp0  proto kernel  scope link  src 80.121.6.248
127.0.0.0/8 dev lo  scope link
default via 172.19.92.167 dev ppp0

# setting a route ( ip route add 192.168.0.0/24 dev eth0 ):

> ip r a 192.168.0.0/24 dev eth0

# the result
root@Jambalaya root # ip r
172.19.92.167 dev ppp0  proto kernel  scope link  src 80.121.6.248
192.168.0.0/24 dev eth0  scope link
127.0.0.0/8 dev lo  scope link
default via 172.19.92.167 dev ppp0

# settin the default route

# before setting the default route
> ip r
172.19.92.167 dev ppp0  proto kernel  scope link  src 80.121.6.248
192.168.0.0/24 dev eth0  scope link
127.0.0.0/8 dev lo  scope link

# setting the default route ( = ip route add default dev ppp0):
> ip r a default dev ppp0

# after setting the default route
> ip r
172.19.92.167 dev ppp0  proto kernel  scope link  src 80.121.6.248
192.168.0.0/24 dev eth0  scope link
127.0.0.0/8 dev lo  scope link
default dev ppp0  scope link