安装python
#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
安装pip
解决pip is configured with locations that require TLS/SSL问题
yum install openssl openssl-devel [root@china Python-3.6.4]# rpm -qa|grep openssl openssl-devel-1.0.1e-57.el6.x86_64 openssl098e-0.9.8e-17.el6.centos.2.x86_64 openssl-1.0.1e-57.el6.x86_64 cd /root/python_tools/Python-3.6.4/Modules vim Setup #修改配置 # Socket module helper for socket(2) _socket socketmodule.c #SSL=/usr/local/ssl _ssl _ssl.c -DUSE_SSL -I$(SSL)/include -I$(SSL)/include/openssl -L$(SSL)/lib -lssl -lcrypto 修改完毕后保存。 # 重新编译 [root@china Python-3.6.4]# make && make install [root@china Python-3.6.4]# python3 Python 3.6.4 (default, May 9 2018, 20:35:48) [GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import ssl >>> [root@china Python-3.6.4]# pip3 install lxml Collecting lxml Downloading https://files.pythonhosted.org/packages/a7/b9/ccf46cea0f698b40bca2a9c1a44039c336fe1988b82de4f7353be7a8396a/lxml-4.2.1-cp36-cp36m-manylinux1_x86_64.whl (5.6MB) 100% |████████████████████████████████| 5.7MB 38kB/s Installing collected packages: lxml Successfully installed lxml-4.2.1
安装java
[root@china javatools]# chmod a+x jdk-6u45-linux-i586.bin [root@china javatools]# ./jdk-6u45-linux-i586.bin #修改jdk目录 [root@china javatools]# mv jdk1.6.0_45/ /usr/java/jdk1.6.0_45 [root@china javatools]# ls jdk-6u45-linux-i586.bin [root@china javatools]# cd /usr/java/ [root@china java]# ls jdk1.6.0_45 [root@china java]# cd jdk1.6.0_45/ #设置环境变量 vi /etc/profile 在最后加上:
##use for JAVA 1.6
JAVA_HOME=/usr/java/jdk1.6.0_45
PATH=$JAVA_HOME/bin:$PATH
CLATHPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA_HOME/lib/dt.jar
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
升级openssl（拓展）
wget https://www.openssl.org/source/openssl-1.0.2h.tar.gz tar xzvf openssl-1.0.2h.tar.gz cd openssl-1.0.2h ./config --prefix=/usr shared zlib-dynamic #提醒需要在build之前做make depend make depend rm -f /usr/bin/openssl rm -f /usr/include/openssl make && make install ln -sf /usr/include/openssl/*.h /usr/include/ ln -sf /usr/lib/openssl/engines/*.so /usr/lib/ ldconfig -v openssl version -a [root@china bin]# openssl version -a OpenSSL 1.0.2h 3 May 2016 built on: reproducible build, date unspecified platform: linux-x86_64