centos配置数据源和java环境配置

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一:前言

     今天送走了一位同事,看着别人走勾起了我蠢蠢欲动的心啊,但是我知道,我不能那么的任性,我是men,这几天难得的清闲,所以我就弄一弄linux,昨天把网给配通了,今天配置下数据源来下载jdk,tomcat等软件,一步一步的来吧。Go!

二:数据源的配置

   配置数据源的地方是在"/etc/yum.repos.d",所以我们用 cd /etc/yum.repos.d进入到这个目录下,用ls命令可以看到如下:

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其中,CentOS-Base.repo就是需要配置的数据源,我们再操作linux的文件是一般是先备份的,所以可以看到我这里有个备份文件"CentOS-Base.repo.bak",

把里面的东西删除,加入如下的配置:

# CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client.  You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the
# remarked out baseurl= line instead.
#
#

[base]
name=CentOS-$releasever - Base - 163.com
baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

#released updates
[updates]
name=CentOS-$releasever - Updates - 163.com
baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras - 163.com
baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
gpgcheck=1
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus - 163.com
baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus
gpgcheck=1
enabled=0
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

#contrib - packages by Centos Users
[contrib]
name=CentOS-$releasever - Contrib - 163.com
baseurl=http://mirrors.163.com/centos/$releasever/contrib/$basearch/
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib
gpgcheck=1
enabled=0
gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6

配置完这些就可以下载jdk和tomcat了

用如下命令

wget http://download.oracle.com/otn-pub/java/jdk/7u75-b13/jdk-7u75-linux-x64.tar.gz?AuthParam=1422600482_6166cf9e13056ea25feb3b0057ba49c3-------下载jdk

在去apache的官网找到tomcat的下载路径下载 tomcat,

三:安装命令

   我用的是SecureCRT来连接虚拟机的,所以我再这里面需要安装rz的命令,安装不下

(1)rz命令安装: yum install -y lrzsz用yum命令直接进行安装。我是在网上搜了下,看见有先下载在进行安装的,wget http://www.ohse.de/uwe/releases/lrzsz.tar.gz

 (2)tar zxvf jdk-7u75-linux-x64.tar.gz解压后 我的解压目录为/usr/local/soft下面,所以配置如下

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配置好了执行这个命令:source /etc/profile,使得其立刻生效,此时在执行java或者java -version就可以看到

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四:总结

    今天终于走出了第一步,把java的环境和数据源给配置好了,感觉很不错,努力继续,同事中午走了,突然少了一个人,觉得好像很怎么怎么,天下没有不散的宴席啊,这条路上还真的是需要坚定啊。Go!

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