linux系统下安装wget。

我们先安装linux系统比如centos7.1里面有的就没有wget下载工具。wget这个命令就不可以使用。

我们使用

 yum -y install wget

yum install perl 

会出现：

[root@localhost ~]# yum -y install wget
Loaded plugins: fastestmirror
Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast
base                                                     | 3.6 kB     00:00
extras                                                   | 3.4 kB     00:00
updates                                                  | 3.4 kB     00:00
(1/4): base/7/x86_64/group_gz                              | 155 kB   00:00
(2/4): extras/7/x86_64/primary_db                          | 149 kB   00:02
(3/4): base/7/x86_64/primary_db                            | 5.3 MB   00:02
(4/4): updates/7/x86_64/primary_db                         | 5.7 MB   00:07
Determining fastest mirrors
 * base: mirrors.tuna.tsinghua.edu.cn
 * extras: mirrors.sina.cn
 * updates: mirrors.sina.cn
Resolving Dependencies
--> Running transaction check
---> Package wget.x86_64 0:1.14-10.el7_0.1 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package        Arch             Version                   Repository      Size
================================================================================
Installing:
 wget           x86_64           1.14-10.el7_0.1           base           545 k

Transaction Summary
================================================================================
Install  1 Package

Total download size: 545 k
Installed size: 2.0 M
Downloading packages:
wget-1.14-10.el7_0.1.x86_64.rpm                            | 545 kB   00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : wget-1.14-10.el7_0.1.x86_64                                  1/1
  Verifying  : wget-1.14-10.el7_0.1.x86_64                                  1/1

Installed:
  wget.x86_64 0:1.14-10.el7_0.1

Complete!
[root@localhost ~]# #yum install perl
[root@localhost ~]# wget http://dl.wdlinux.cn:5180/lanmp_laster.tar.gz
--2016-07-30 03:08:50--  http://dl.wdlinux.cn:5180/lanmp_laster.tar.gz
Resolving dl.wdlinux.cn (dl.wdlinux.cn)... 222.186.61.177
Connecting to dl.wdlinux.cn (dl.wdlinux.cn)|222.186.61.177|:5180... connected.
HTTP request sent, awaiting response... 200 OK
Length: 81312101 (78M) [application/x-gzip]
Saving to: ‘lanmp_laster.tar.gz’

100%[======================================>] 81,312,101  1.78MB/s   in 52s

2016-07-30 03:09:43 (1.50 MB/s) - ‘lanmp_laster.tar.gz’ saved [81312101/81312101]

[root@localhost ~]#

这个命令安装wget工具，然后就可以使用了。.................................................................