Linux 在线安装软件 gcc在线安装的操作方法

linux在线安装相关命令：

yum install：全部安装
yum install <程序包>：安装指定的程序包
yum groupinsall <程序组>：安装程序组
yum -y update：升级所有包，改变软件设置和系统设置，系统版本、内核都升级
yum -y upgrade：升级所有包，不改变软件设置和系统设置，系统版本升级，内核不升级
yum update <程序包>：更新指定的程序包
yum check-update：检查可更新的程序
yum upgrade <程序包>：升级指定的程序包
yum info <程序包>：显示程序包的信息
yum list：显示所有已经安装和可以安装的程序包
yum list <程序包>：显示指定程序包安装情况
yum groupinfo <程序组>：显示程序组的信息
yum search <关键字>：根据关键字查找程序包
yum remove/erase <程序包>：删除程序包
yum groupremove <程序组>：删除程序组
yum deplist <程序包>：查看程序包依赖情况
yum clean <程序包>：清除缓存目录中的程序包
yum clean headers：清除缓存目录下的rpm头文件

-------------------测试网络

[root@bogon bin]# ping www.baidu.com
ping www.a.shifen.com (163.177.151.110) 56(84) bytes of data.
64 bytes from 163.177.151.110: icmp_seq=1 ttl=128 time=8.34 ms
64 bytes from 163.177.151.110: icmp_seq=2 ttl=128 time=9.35 ms
64 bytes from 163.177.151.110: icmp_seq=3 ttl=128 time=9.18 ms
64 bytes from 163.177.151.110: icmp_seq=4 ttl=128 time=8.55 ms
64 bytes from 163.177.151.110: icmp_seq=5 ttl=128 time=8.74 ms
64 bytes from 163.177.151.110: icmp_seq=6 ttl=128 time=10.0 ms
64 bytes from 163.177.151.110: icmp_seq=7 ttl=128 time=9.00 ms
64 bytes from 163.177.151.110: icmp_seq=8 ttl=128 time=10.7 ms
64 bytes from 163.177.151.110: icmp_seq=9 ttl=128 time=12.3 ms
64 bytes from 163.177.151.110: icmp_seq=10 ttl=128 time=9.10 ms
64 bytes from 163.177.151.110: icmp_seq=11 ttl=128 time=59.8 ms
64 bytes from 163.177.151.110: icmp_seq=12 ttl=128 time=10.7 ms
64 bytes from 163.177.151.110: icmp_seq=13 ttl=128 time=10.7 ms

-------------------收搜gcc

[root@bogon ~]# yum search gcc
loaded plugins: fastestmirror, refresh-packagekit, security
loading mirror speeds from cached hostfile
 * base: centos.ustc.edu.cn
 * extras: centos.ustc.edu.cn
 * updates: centos.ustc.edu.cn
===================================== n/s matched: gcc ======================================
gcc-c++.x86_64 : c++ support for gcc
gcc-gnat.x86_64 : ada 95 support for gcc
gcc-java.x86_64 : java support for gcc
gcc-objc.x86_64 : objective-c support for gcc
gcc-objc++.x86_64 : objective-c++ support for gcc
libgcc.x86_64 : gcc version 4.4 shared support library
libgcc.i686 : gcc version 4.4 shared support library
compat-gcc-34.x86_64 : compatibility gnu compiler collection
compat-gcc-34-c++.x86_64 : c++ support for compatibility compiler
compat-gcc-34-g77.x86_64 : fortran 77 support for compatibility compiler
gcc.x86_64 : various compilers (c, c++, objective-c, java, ...)
gcc-gfortran.x86_64 : fortran support
libgcj.i686 : java runtime library for gcc
libgcj.x86_64 : java runtime library for gcc
libgcj-devel.i686 : libraries for java development using gcc
libgcj-devel.x86_64 : libraries for java development using gcc
libgcj-src.x86_64 : java library sources from gcc4 preview
libgomp.x86_64 : gcc openmp v3.0 shared support library
libgomp.i686 : gcc openmp v3.0 shared support library
libmudflap.i686 : gcc mudflap shared support library
libmudflap.x86_64 : gcc mudflap shared support library
libmudflap-devel.i686 : gcc mudflap support
libmudflap-devel.x86_64 : gcc mudflap support
libquadmath.x86_64 : gcc __float128 shared support library
name and summary matches only, use "search all" for everything.
[root@bogon ~]# 

-------------------------gcc安装

[root@bogon ~]# yum -y install gcc
...
complete!

------------------------查看gcc安装情况

[root@bogon ~]# yum list gcc
loaded plugins: fastestmirror, refresh-packagekit, security
loading mirror speeds from cached hostfile
 * base: centos.ustc.edu.cn
 * extras: centos.ustc.edu.cn
 * updates: centos.ustc.edu.cn
installed packages
gcc.x86_64                  4.4.7-18.el6                @base
[root@bogon ~]# 

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