Linux make: g++: Command not found

Linux使用make命令时遇到“make: g++: Command not found”，这个主要是没有安装gcc-c++.x86_64，如下所示

[root@localhost nethogs]# make

g++ -g -Wall -Wextra -c packet.cpp

make: g++: Command not found

make: *** [packet.o] Error 127

root@localhost nethogs]# yum search "gcc-c++"

Loaded plugins: PRoduct-id, security, subscription-manager

This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

==================================== N/S Matched: gcc-c++ ====================================

gcc-c++.x86_64 : C++ support for GCC

 Name and summary matches only, use "search all"for everything.

[root@localhost nethogs]# yum list "gcc-c++"

Loaded plugins: product-id, security, subscription-manager

This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

media | 4.1 kB 00:00 ... 

Available Packages

gcc-c++.x86_64 4.4.7-11.el6 media

[root@localhost nethogs]# yum install "gcc-c++.x86_64"

Loaded plugins: product-id, security, subscription-manager

This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.

Setting up Install Process

Resolving Dependencies

--> Running transaction check

---> Package gcc-c++.x86_64 0:4.4.7-11.el6 will be installed

--> Processing Dependency: gcc = 4.4.7-11.el6 for package: gcc-c++-4.4.7-11.el6.x86_64

--> Processing Dependency: libstdc++-devel = 4.4.7-11.el6 for package: gcc-c++-4.4.7-11.el6.x86_64

--> Processing Dependency: libmpfr.so.1()(64bit) for package: gcc-c++-4.4.7-11.el6.x86_64

--> Running transaction check

---> Package gcc.x86_64 0:4.4.7-11.el6 will be installed

--> Processing Dependency: cpp = 4.4.7-11.el6 for package: gcc-4.4.7-11.el6.x86_64

--> Processing Dependency: cloog-ppl >= 0.15 for package: gcc-4.4.7-11.el6.x86_64

---> Package libstdc++-devel.x86_64 0:4.4.7-11.el6 will be installed

---> Package mpfr.x86_64 0:2.4.1-6.el6 will be installed

--> Running transaction check

---> Package cloog-ppl.x86_64 0:0.15.7-1.2.el6 will be installed

--> Processing Dependency: libppl.so.7()(64bit) for package: cloog-ppl-0.15.7-1.2.el6.x86_64

--> Processing Dependency: libppl_c.so.2()(64bit) for package: cloog-ppl-0.15.7-1.2.el6.x86_64

---> Package cpp.x86_64 0:4.4.7-11.el6 will be installed

--> Running transaction check

---> Package ppl.x86_64 0:0.10.2-11.el6 will be installed

--> Finished Dependency Resolution

Dependencies Resolved

==============================================================================================

 Package Arch Version Repository Size

==============================================================================================

Installing:

 gcc-c++ x86_64 4.4.7-11.el6 media 4.7 M

Installing for dependencies:

 cloog-ppl x86_64 0.15.7-1.2.el6 media 93 k

 cpp x86_64 4.4.7-11.el6 media 3.7 M

 gcc x86_64 4.4.7-11.el6 media 10 M

 libstdc++-devel x86_64 4.4.7-11.el6 media 1.6 M

 mpfr x86_64 2.4.1-6.el6 media 156 k

 ppl x86_64 0.10.2-11.el6 media 1.3 M

Transaction Summary

==============================================================================================

Install 7 Package(s)

Total download size: 22 M

Installed size: 53 M

Is this ok [y/N]: y 

Downloading Packages:

----------------------------------------------------------------------------------------------

Total 163 MB/s | 22 MB 00:00 

Running rpm_check_debug

Running Transaction Test

Transaction Test Succeeded