linux安装上传下载工具lrszs

　　普通用户下使用sudo获取root权限，root用户直接安装：

[mall@VM_0_7_centos ~]$ sudo yum -y install lrzsz
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
docker-ce-stable                                                                                                                                 | 3.5 kB  ::
epel                                                                                                                                             | 5.3 kB  ::
extras                                                                                                                                           | 2.9 kB  ::
os                                                                                                                                               | 3.6 kB  ::
updates                                                                                                                                          | 2.9 kB  ::
(/): epel//x86_64/updateinfo                                                                                                                  | 1.0 MB  ::
(/): epel//x86_64/primary_db                                                                                                                  | 6.9 MB  ::
Resolving Dependencies
--> Running transaction check
---> Package lrzsz.x86_64 :0.12.-.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

========================================================================================================================================================================
 Package                               Arch                                   Version                                          Repository                          Size
========================================================================================================================================================================
Installing:
 lrzsz                                 x86_64                                 0.12.-.el7                                   os                                   k

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

Total download size:  k
Installed size:  k
Downloading packages:
lrzsz-0.12.-.el7.x86_64.rpm                                                                                                                  |   kB  ::
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : lrzsz-0.12.-.el7.x86_64                                                                                                                          /
  Verifying  : lrzsz-0.12.-.el7.x86_64                                                                                                                          / 

Installed:
  lrzsz.x86_64 :0.12.-.el7                                                                                                                                         

Complete!

　　就这么简单，现在你可以开始使用rz命令把东西往服务器上放了。