| ping |
Test network connectivity |
ping baidu.com |
|
| traceroute |
Route tracing |
traceroute ip |
|
| route |
Routing table |
route -n |
|
| netstat |
Network connections |
netstat -ano |
|
| nslookup |
DNS resolution |
nslookup baidu.com |
|
| ifconfig |
Network configuration |
ifconfig |
|
| arp |
ARP cache |
arp -a |
|
| nbtstat |
NetBIOS |
nbtstat -n |
|
| netsh |
Network configuration |
netsh |
|
| net |
Network configuration |
net |
|
| tcpdump |
Packet capture |
tcpdump |
|
| wireshark |
Packet capture |
wireshark |
|
| ip |
Network configuration |
ip addr show |
|
| ss |
Network connections |
ss -tunlp |
|
| netstat |
View network connection state |
netstat -anp |
|
| tcpdump |
Packet-capture utility |
tcpdump -i eth0 -nn -s 0 -c 1000 -w /tmp/tcpdump.pcap |
|
| iptables |
Firewall |
iptables -L -n -v -t nat -t mangle -t filter |
|
| ss |
netstat replacement |
ss -anp |
|
| ifconfig |
View NIC information |
ifconfig eth0 |
|
| ip |
View NIC information |
ip addr show eth0 |
|
| route |
View routing table |
route -n |
|
| traceroute |
View routing hops |
traceroute www.baidu.com |
|
| ping |
Test network connectivity |
ping www.baidu.com |
|
| telnet |
Test port connectivity |
telnet www.baidu.com 80 |
|
| nslookup |
Domain resolution |
nslookup www.baidu.com |
|
| dig |
Domain resolution |
dig www.baidu.com |
|
| arp |
View ARP cache |
arp -a |
|
| netcat |
Network debugging tool |
nc -l 1234 |
|
| nmap |
Port-scanning tool |
nmap -sT -p 80 www.baidu.com |
|
| mtr |
Network connectivity tester |
mtr www.baidu.com |
|
| iperf |
Network performance tester |
iperf -s -p 1234 |
|
| iptraf |
Network traffic monitor |
iptraf -i eth0 |
|
| ipcalc |
IP address calculator |
ipcalc |
|
| iftop |
Network traffic monitor |
iftop -i eth0 |
|
| iostat |
Disk I/O monitor |
iostat -x 1 10 |
|
| vmstat |
Virtual memory monitor |
vmstat 1 10 |
|
| sar |
System performance monitor |
sar -n DEV 1 10 |
|
| lsof |
Show open file usage |
lsof -i:80 |
|
| strace |
Trace system calls |
strace -p 1234 |
|
| tcpflow |
Packet-capture tool |
tcpflow -i eth0 -c -C -p -o /tmp/tcpflow |
|
| tcpick |
Packet-capture tool |
tcpick -i eth0 -C -p -o /tmp/tcpick |
|
| tcptrace |
Packet-capture tool |
tcptrace -i eth0 -C -p -o /tmp/tcptrace |
|
| tcpslice |
Packet-capture tool |
tcpslice -i eth0 -C -p -o /tmp/tcpslice |
|
| tcpstat |
Packet-capture tool |
tcpstat -i eth0 -C -p -o /tmp/tcpstat |
|
| tcpdump |
Packet-capture tool |
tcpdump -i eth0 -C -p -o /tmp/tcpdump |
|
| tshark |
Packet-capture tool |
tshark -i eth0 -C -p -o /tmp/tshark |
|
| wireshark |
Packet-capture tool |
wireshark -i eth0 -C -p -o /tmp/wireshark |
|
| socat |
Network debugging tool |
socat -d -d TCP-LISTEN:1234,fork TCP:www.baidu.com:80 |
|
| ncat |
Network debugging tool |
ncat -l 1234 -c ’ncat www.baidu.com 80' |
|
| netperf |
Network performance tester |
netperf -H www.baidu.com -l 60 -t TCP_STREAM |
|
| netcat |
Network debugging tool |
netcat -l 1234 |
|
| nc |
Network debugging tool |
nc -l 1234 |
|
| netpipe |
Network performance tester |
netpipe -l 1234 |
|
| netkit |
Network debugging tool |
netkit -l 1234 |
|
| bridge |
Bridge tool |
bridge -s |
|