Linux Network Commands Flashcards by Sonny Gale

Q

Network connections

A

watch ss -tp

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Q

TCP connections

A

netstat -ant

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Q

UDP connections

A

netstat -anu

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Q

Established connections

A

lsof -i

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Q

Access Windows SMB share

A

smb:///share

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Q

Mount Windows share

A

share user x.x.x.x c$

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Q

SMB connect

A

smbclient -U user \\\

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Q

Set IP and netmask

A

ifconfig eth# /

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Q

Set virtual interfaces

A

ifconfig eth0:1 /

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Q

Set GW

A

route add default gw

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Q

Change MTU size

A

ifconfig eth# mtu [size]

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Q

Change MAC

A

export MAC=xx:xx:xx:xx:xx:xx

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Q

Change MAC

A

ifconfig hw ether

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Q

Backtrack MAC changer

A

macchanger -m

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Q

Built-in WiFi scanner

A

iwlist scan

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Q

Domain lookup for IP

A

dig -x

Q

Domain lookup for IP

A

host

Q

Domain SRV lookup

A

host -t SRV __tcp.url.com

Q

DNS Zone Xfer

A

dig @ domain -t AXFR

Q

DNS Zone Xfer

A

host -l

Q

Print existing VPN keys

A

ip xfer state list

Q

Adds ‘hidden’ interface

A

ip addr add / dev eth0

Q

List DHCP assignments

A

/var/log/messages | grep DHCP

Q

Block ip:port

A

tcpkill host and port

Q

Turn on IP Forwarding

A

echo “1” > /proc/sys/net/ipv4 ip_forward

Q

Add DNS Server

A

echo “nameserver x.x.x.x” > /etc/resolv.conf