Linux networks: Common commands (ii)

1.ping command: Same as basic functions under Windows, but also different

1. Command format:

ping [options] IP address or domain name host, etc.

Option-C plus times

1-d Use the So_debug function of the socket. 2-f limit Detection. Send a large and fast network packet to a machine to see its response. 3-n outputs only numeric values. 4-Q does not display any message that transmits packets, only the final result is displayed. 5-R ignores the normal routing Table and sends the packet directly to the remote host. This is usually a matter of looking at the network interface of this computer. 6-R records the routing process. 7-v shows the execution process of the instruction in detail. 8<p>-C Number: Stop after sending the specified number of packets. 9-i seconds: set interval a few seconds to send a network packet to a machine, the default value is one second to send once. Ten-I Network interface: Send out packets using the specified network interface.  One-L Pre-load: Sets the packets that are emitted before the requested information is sent.  A-P Template Style: Sets the template style that fills the packet.  --S Bytes: Specifies the number of bytes of data sent, the default value is 56, plus 8 bytes of ICMP header, which is a total of 64ICMP data bytes.  --T Survival value: Sets the size of the Live value TTL

2.telnet Command Port Probe command:

telnet [domain name IP] [port]

Telnet is not installed by default, the server side strongly recommends not to install the service side, Win7 system does not have Telnet installed by default

3.traceroute Route Trace Command, which is a ping-based ICMP protocol if the target host disables Ping and cannot use the command

Choose-N Use IP, no domain name, fast

4.wget Download Command:

For example wget http://www.baidu.com/ddd/c.jpg

5.curl can be the command line interface for Web page browsing

Linux networks: Common commands (ii)