Linux命令速查表-整理版(15)

dhclient eth0 以dhcp模式启用 'eth0'

route -n show routing table

route add -net 0/0 gw IP_Gateway configura default gateway

route add -net 192.168.0.0 netmask 255.255.0.0 gw 192.168.1.1 configure static route to reach network '192.168.0.0/16'

route del 0/0 gw IP_gateway remove static route

echo "1" > /proc/sys/net/ipv4/ip_forward activate ip routing

hostname show hostname of system

host lookup hostname to resolve name to ip address and viceversa(1)

nslookup lookup hostname to resolve name to ip address and viceversa(2) ip link show show link status of all interfaces

mii-tool eth0 show link status of 'eth0'

ethtool eth0 show statistics of network card 'eth0'

netstat -tup show all active network connections and their PID

netstat -tupl show all network services listening on the system and their PID

tcpdump tcp port 80 show all HTTP traffic

iwlist scan show wireless networks

iwconfig eth1 show configuration of a wireless network card

hostname show hostname

host lookup hostname to resolve name to ip address and viceversa

nslookup lookup hostname to resolve name to ip address and viceversa whois lookup on Whois database

Microsoft Windows networks (SAMBA)

nbtscan ip_addr netbios name resolution

nmblookup -A ip_addr netbios name resolution

smbclient -L ip_addr/hostname show remote shares of a windows host

smbget -Rr smb://ip_addr/share like wget can download files from a host windows via smb

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