#压缩包安装
[root@china ~]# yum -y install zlib*
Loaded plugins: fastestmirror, refresh-packagekit, security
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
base | 3.7 kB 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
Setting up Install Process
Package zlib-1.2.3-29.el6.x86_64 already installed and latest version
Resolving Dependencies
--> Running transaction check
---> Package zlib-devel.x86_64 0:1.2.3-29.el6 will be installed
---> Package zlib-static.x86_64 0:1.2.3-29.el6 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
========================================================================================================================================================
Package Arch Version Repository Size
========================================================================================================================================================
Installing:
zlib-devel x86_64 1.2.3-29.el6 base 44 k
zlib-static x86_64 1.2.3-29.el6 base 52 k
Transaction Summary
========================================================================================================================================================
Install 2 Package(s)
Total download size: 96 k
Installed size: 227 k
Downloading Packages:
(1/2): zlib-devel-1.2.3-29.el6.x86_64.rpm | 44 kB 00:00
(2/2): zlib-static-1.2.3-29.el6.x86_64.rpm | 52 kB 00:00
--------------------------------------------------------------------------------------------------------------------------------------------------------
Total 366 kB/s | 96 kB 00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : zlib-devel-1.2.3-29.el6.x86_64 1/2
Installing : zlib-static-1.2.3-29.el6.x86_64 2/2
Verifying : zlib-devel-1.2.3-29.el6.x86_64 1/2
Verifying : zlib-static-1.2.3-29.el6.x86_64 2/2
Installed:
zlib-devel.x86_64 0:1.2.3-29.el6 zlib-static.x86_64 0:1.2.3-29.el6
#python安装
[root@china python_tools]# ll
总用量 22180
-rw-r--r-- 1 root root 22710891 5月 2 06:15 Python-3.6.4.tgz
[root@china python_tools]#
[root@china python_tools]#
[root@china python_tools]#
#以root权限打开终端,进入安装包的存放路径,解压安装包:
[root@china python_tools]# tar -xzvf Python-3.6.4.tgz
#进入解压好的安装包路径:
[root@china python_tools]# cd Python-3.6.4
#编译安装包,指定安装路径,并执行安装命令:
#注意:prefix参数用于指定将Python安装在新目录,防止覆盖系统默认安装的python
[root@china Python-3.6.4]# ./configure --prefix=/usr/local/python36
[root@china Python-3.6.4]# make && make install
#修改系统默认的Python路径,因为在终端中输入Python命令时默认是指向Python2.6.6
[root@china Python-3.6.4]# mv /usr/bin/python /usr/bin/python-2.6.6
建立新的软连接,指向Python-3.6.0:
注:这里的python36是第4步指定的安装路径,python3.6是Python包里的可执行程序
[root@china Python-3.6.4]# ln -s /usr/local/python36/bin/python3.6 /usr/bin/python
[root@china Python-3.6.4]# python
Python 3.6.4 (default, May 2 2018, 06:22:39)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
7、因为yum是依赖python的,所以这里我们修改了默认的python,就要要修改yum,让其运行指向旧的版本:
vi /usr/bin/yum
将第一行中的“#!/usr/bin/python”
修改为“#!/usr/bin/python-2.6.6”,保存即可
[root@china javatools]# chmod a+x jdk-6u45-linux-i586.bin
[root@china javatools]# ./jdk-6u45-linux-i586.bin
#修改jdk目录
[root@china javatools]# mv jdk1.6.0_45/ /usr/java/jdk1.6.0_45
[root@china javatools]# ls
jdk-6u45-linux-i586.bin
[root@china javatools]# cd /usr/java/
[root@china java]# ls
jdk1.6.0_45
[root@china java]# cd jdk1.6.0_45/
#设置环境变量
vi /etc/profile
在最后加上:
##use for JAVA 1.6
JAVA_HOME=/usr/java/jdk1.6.0_45;
PATH=$JAVA_HOME/bin:$PATH;
CLATHPATH=.:$JAVA_HOME/lib;
export JAVA_HOME PATH CLATHPATH;
检查环境变量是否配成功:
echo $JAVA_HOME
echo $PARH
echo $CLATHPATH
检查jdk是否安装成功
[root@china jdk1.6.0_45]# java -version
java version "1.6.0_45"
Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
Java HotSpot(TM) Server VM (build 20.45-b01, mixed mode)
[root@china jdk1.6.0_45]# javac
用法:javac <选项> <源文件>
其中,可能的选项包括:
-g 生成所有调试信息
-g:none 不生成任何调试信息
-g:{lines,vars,source} 只生成某些调试信息
-nowarn 不生成任何警告
-verbose 输出有关编译器正在执行的操作的消息