Linux Socket±à³ÌʵÀý(Ò»¸öHello World³ÌÐò)
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ÏÂÃæÊÇ·þÎñ¶ËµÄ´úÂë(tcpserver.c)£¬ÓÉÓÚÕâÖ»ÊǸö¼òµ¥µÄ³ÌÐò£¬ËùÒÔÖ»ÓÃÁ˵¥Ïß³ÌʵÏÖ£¡Ð½¨server.c£¬ÄÚÈÝÈçÏ£º
/**
* Tcp Server program, It is a simple example only.
* zhengsh 200520602061 2
* when client connect to server, send a welcome message and timestamp in server.
*/
#include <stdio.h>
#include <sys/socket.h>
#include <unistd.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <time.h>
#define SERVER_PORT 20000 // define the defualt connect port id
#define LENGTH_OF_LISTEN_QUEUE 10 //length of listen queue in server
#define BUFFER_SIZE 255
#define WELCOME_MESSAGE "welcome to connect the server. "
int main(int argc, char **argv)
{
int servfd,clifd;
struct sockaddr_in servaddr,cliaddr;
if ((servfd = socket(AF_INET,SOCK_STREAM,0)) < 0) //³É¹¦½¨Á¢socket
{
printf("create socket error!\n");
exit(1);
}
bzero(&servaddr,sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(SERVER_PORT);
servaddr.sin_addr.s_addr = htons(INADDR_ANY);
if (bind(servfd,(struct sockaddr*)&servaddr,sizeof(servaddr))
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# uname -a # ²é¿´ÄÚºË/²Ù×÷ϵͳ/CPUÐÅÏ¢
# head -n 1 /etc/issue # ²é¿´²Ù×÷ϵͳ°æ±¾
# cat /proc/cpuinfo # ²é¿´CPUÐÅÏ¢
# hostname # ²é¿´¼ÆËã»úÃû
# lspci -tv # ÁгöËùÓÐPCIÉ豸
# lsusb -tv # ÁгöËùÓÐUSBÉ豸
# lsmod # Áгö¼ÓÔØµÄÄÚºËÄ£¿é
# env # ²é¿´»·¾³±äÁ¿ ×ÊÔ´
# free -m # ²é¿´ÄÚ´æÊ¹ÓÃÁ¿ºÍ½»»»Ç ......
ΪÁË·½Ã棬ÎÒдÁ˸ö½Å±¾×Ô¶¯sshµÇ¼Զ¶Ë»úÆ÷£¬ÈçÏ£¬Õâ¸ö½Å±¾ÐèÒª°²×°expect°ü
================================
#!/usr/bin/expect
set timeout 30
spawn ssh -l root 192.168.1.117
expect "password:"
send "nopasswd\r"
interact
================================
set timeout 30
ÉèÖÃ ......
from: http://yangsq.javaeye.com/blog/162649
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