linux怎么远程命令,Linux远程命令

(1)write

write命令用于给指定用户发信息&＃xff0c;以Ctrl&＃43;D保存结束&＃xff0c;所在路径为/usr/bin/write&＃xff0c;其语法格式为&＃xff1a;

write [用户名]

注&＃xff1a;只能给在线用户发送。

例&＃xff1a;新建ws用户&＃xff0c;root远程端向ws远程端发送hello信息。

root端&＃xff1a;

[root&＃64;localhost cdrom]# writews hello

ws端&＃xff1a;

[ws&＃64;localhost ~]$ Message from root&＃64;localhost.localdomain on pts/1 at 03:58... helloEOF

其中EOF表示结束。

(2)wall

wall命令用于发送广播信息&＃xff0c;英文原意为write all&＃xff0c;所在路径为/usr/bin/wall&＃xff0c;其语法格式为&＃xff1a;

wall [message]

例&＃xff1a;在root远程端向全体在线用户发送hello消息&＃xff1a;

root端&＃xff1a;

[root&＃64;localhost cdrom]# wallhello [root&＃64;localhost cdrom]# Broadcast message from root&＃64;localhost.localdomain (pts/1) (Fri Jan 2 04:05:08 2015): hello

ws端&＃xff1a;

[ws&＃64;localhost ~]$ Broadcast message from root&＃64;localhost.localdomain (pts/1) (Fri Jan 2 04:05:08 2015): hello

(3)ping

ping命令用于测试网络连通性&＃xff0c;所在路径为/bin/ping&＃xff0c;其语法格式为&＃xff1a;

ping 选项 IP地址

其中-c选项指定发送次数

例如&＃xff1a;测试回环地址127.0.0.1&＃xff0c;发送次数设定为3次&＃xff1a;

[root&＃64;localhost cdrom]# ping -c 3 127.0.0.1PING127.0.0.1 (127.0.0.1) 56(84) bytes of data.64 bytes from 127.0.0.1: icmp_seq&＃61;1 ttl&＃61;64 time&＃61;0.274ms64 bytes from 127.0.0.1: icmp_seq&＃61;2 ttl&＃61;64 time&＃61;0.072ms64 bytes from 127.0.0.1: icmp_seq&＃61;3 ttl&＃61;64 time&＃61;0.070ms--- 127.0.0.1 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time1999ms rtt min/avg/max/mdev &＃61; 0.070/0.138/0.274/0.096 ms

(4)ifconfig

ifconfig命令用于查看和设置网卡信息&＃xff0c;英文原意为interface configure&＃xff0c;所在路径为/sbin/ifconfig&＃xff0c;其语法格式为&＃xff1a;

ifconfig 网卡 IP地址

注&＃xff1a;ifconfig只是暂时的设置IP地址&＃xff0c;等到下次重启系统时&＃xff0c;该配置即消除。

(5)mail

mail命令用于查看和发送电子邮件&＃xff0c;特点是用户不在线也可以进行发送&＃xff0c;所在路径为/bin/mail&＃xff0c;其语法格式为&＃xff1a;

mail [用户名]

例&＃xff1a;root远程端向ws远程端发送邮件

root远程端&＃xff1a;

[root&＃64;localhost cdrom]# mail ws Subject: hello hello i am wsEOT [root&＃64;localhost cdrom]#

ws远程端&＃xff1a;

[ws&＃64;localhost ~]$ mail Heirloom Mail version12.4 7/29/08. Type ? forhelp."/var/spool/mail/ws": 1 message 1new>N 1 root Fri Jan 2 04:17 18/606 "hello" &

输入1即可查看该邮件&＃xff1a;

& 1Message1: From root&＃64;localhost.localdomain Fri Jan2 04:17:44 2015Return-Path: X-Original-To: ws Delivered-To: ws&＃64;localhost.localdomain Date: Fri,02 Jan 2015 04:17:43 &＃43;0800To: ws&＃64;localhost.localdomain Subject: hello User-Agent: Heirloom mailx 12.4 7/29/08Content-Type: text/plain; charset&＃61;us-ascii From: root&＃64;localhost.localdomain (root) Status: R hello i am ws&

(6)last

last命令列出目前与过去登入系统的用户信息&＃xff0c;所在路径为/usr/bin/last&＃xff0c;其语法格式为&＃xff1a;

last

例&＃xff1a;

[root&＃64;localhost cdrom]# lastws pts/0 110.13.4.109 Fri Jan 2 03:57 still logged inws pts/0 110.13.4.109 Fri Jan 2 03:56 - 03:57 (00:00) ws pts/0 110.13.4.109 Thu Jan 1 22:59 - 00:03 (01:03) root pts/1 110.13.4.109 Thu Jan 1 18:44 still logged inroot pts/0 110.13.4.109 Thu Jan 1 18:38 - 20:49 (02:11) root tty1 Thu Jan1 18:36 still logged inreboot system boot2.6.32-431.el6.i Thu Jan 1 18:35 - 04:22 (09:47) root pts/0 110.13.4.109 Thu Jan 1 17:43 - crash (00:51) root tty1 Thu Jan1 17:41 - crash (00:54) reboot system boot2.6.32-431.el6.i Thu Jan 1 17:38 - 04:22 (10:43) root pts/0 110.13.4.236 Tue Oct 21 20:24 - crash (71&＃43;21:13) root tty1 Tue Oct21 20:23 - crash (71&＃43;21:15) reboot system boot2.6.32-431.el6.i Tue Oct 21 18:59 - 04:22 (72&＃43;09:22) root pts/0 110.13.4.236 Tue Oct 21 06:31 - 06:32 (00:00) root tty1 Tue Oct21 06:29 - crash (12:30) reboot system boot2.6.32-431.el6.i Tue Oct 21 06:27 - 04:22 (72&＃43;21:54) wtmp begins Tue Oct21 06:27:29 2014

(7)lastlog

lastlog命令用于检查某特定用户上次登录的时间&＃xff0c;所在路径为/usr/bin/lastlog&＃xff0c;其语法格式为&＃xff1a;

lastlog

例&＃xff1a;lastlog或last -u 500

[root&＃64;localhost cdrom]# lastlog -u 500Username Port From Latest ws pts/0 110.13.4.109 Fri Jan 2 03:57:07 &＃43;0800 2015

(8)traceroute

traceroute命令用于显示数据包到主机间的路径信息&＃xff0c;所在路径为/bin/traceroute&＃xff0c;其语法格式为&＃xff1a;

traceroute 网址

(9)netstat

netstat命令用于显示网络相关信息&＃xff0c;所在路径为/bin/netstat&＃xff0c;其语法格式为&＃xff1a;

netstat [选项]

其中&＃xff0c;-t选项表示TCP协议&＃xff0c;-u选项表示UDP协议&＃xff0c;-l表示监听&＃xff0c;-r表示路由&＃xff0c;-n表示显示IP地址和端口号。

如&＃xff1a;查看本地监听端口-----netstat -tlun

查看本机所有的网络连接-----netstat -an

查看本机路由表-----netstat -rn。

(10)setup

setup命令用于配置网络&＃xff0c;其特点是永久生效&＃xff0c;与ifconfig不同&＃xff0c;所在路径为/usr/bin/setup&＃xff0c;其语法格式为&＃xff1a;

setup

注&＃xff1a;该命令是红帽系列的专有命令。

(11)mount

mount命令用于挂载&＃xff0c;所在路径为/bin/mount&＃xff0c;其语法格式为&＃xff1a;

mount [-t 文件系统] 设备文件名 挂载点

例&＃xff1a;在/mnt目录下创建cdrom文件夹作为挂载点&＃xff0c;然后选择ISO镜像&＃xff0c;然后进行挂载&＃xff1a;

[root&＃64;localhost ~]# mkdir /mnt/cdrom [root&＃64;localhost~]# mount /dev/sr0 /mnt/cdrom/ mount: block device /dev/sr0 is write-protected, mounting read-only [root&＃64;localhost~]# ls /mnt/cdrom/autorun.inf casper EFI isolinux pics preseed ubuntu boot distsinstallmd5sum.txt pool README.diskdefines wubi.exe [root&＃64;localhost~]# umount /dev/sr0