| linux |
| hostname -v |
displays the host name of the system |
| domainname -v |
displays the domain name of the system |
| Ifconfig -a |
list networking interfaces |
| route -n |
list all defined routes |
| Route add default gw x.x.x.x eth0 |
add a gateway to a network interface |
| Route delete x.x.x.x |
delete an ip interface |
| Route add default gw x.x.x.x ppp0 |
add a gateway to a modem interface |
where x.x.x.x is an ip address
e.g. ifconfig eth1 192.168.10.100 netmask 255.255.255.0 broadcast 192.168.10.255
|
| tcpdump -I $if -vvv |
dump all activity |
| linuxconf |
system configurator |
| netconf |
network configurator |
| nslookup x.x.x.x |
dns checker |
| telnet x.x.x.x yy or name & port |
start a telnet connection |
| traceroute x.x.x.x |
watch packets |
| arp -a x.x.x.x |
displays arp entries & mac addresses |
| ping x.x.x.x |
call hosts |
| netstat -nap |
network statistics |
| netstat -I |
to check mtu settings |
| ipchains -n -v -L |
to check firewall setup |
| iptables -L |
to view iptable settings |
| dig x.x.x.x |
dns records records check |
| dig -x 192.168.1.10 |
to check reverse name lookup |
| dig 192.168.1.10 192.168.1.10 |
to check forward & reverse name lookup |
| dig mydomain.cxm ns |
to check nameserver dns |
| dig mydomain.cxm mx |
to check mail server dns |
| ip link list |
displays i/o links |
| ip address show |
displays addresses in effect |
| mii-tool -v |
netcard status info |
| last -100 |
show last n lines of logins |
| |
|
| windows equivalents |
| arp -a x.x.x.x |
displays arp entries |
| ping x.x.x.x |
checks ip address |
| dig |
on windows use the program Spade or equivalent. |
| Ipconfig /all |
lists all networking interfaces |
| route print |
displays active routes and gateways |
| route cmd ip gateway ip |
e.g. usage of the route command |
| Route add x.x.x.x x.x.x.x |
add a route and netmask |
| Route delete x.x.x.x |
delete a route |
| telnet x.x.x.x |
start a telnet connection |
| tracert x.x.x.x |
watch packets |
| winipcfg |
route information |
| nbtstat -a x.x.x.x |
displays remote name |
