“Centos7 安装python3”的版本间的差异
(创建页面,内容为“===python3的安装=== 一、首先,官网下载python3的所需版本。 wget https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tgz 想下载到那个文件…”) |
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− | + | CentOS 7系统自带了python2,不过可以不用2版本,直接使用python3运行python脚本就可以,但是千万别去动系统自带的python2,因为有程序依赖目前的python2环境,比如yum,动了yum就无法运行了,其他有的程序也可能会受影响。明白了上面的,然后就来安装Python3.6: | |
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− | + | ==安装依赖环境== | |
+ | yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel | ||
− | + | ==下载python3== | |
+ | wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz | ||
− | + | ==安装python3== | |
+ | 包安装在/usr/local/Python3(具体安装位置看个人喜好) | ||
− | + | ===创建目录=== | |
+ | |||
+ | mkdir -p /usr/local/Python3 | ||
− | + | 解压下载好的Python-3.6.5.tgz包(具体包名因你下载的Python具体版本,我下载的是Python3.6.5这里就以Python-3.6.5.tgz为例) | |
− | + | tar -zxvf Python-3.6.5.tgz | |
− | + | ===编译安装=== | |
− | + | 进入解压后的目录,编译安装 | |
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− | + | 如果编译安装过程有报错提示,可参考文档:http://www.cnblogs.com/shwee/p/9013851.html | |
− | + | yum install -y gcc | |
+ | cd Python-3.6.5 | ||
+ | ./configure --prefix=/usr/local/Python3 | ||
− | + | 然后:make | |
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− | + | make | |
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− | + | 接着:make install | |
− | + | make install | |
− | + | 或者两步一起:make && make install | |
− | + | ===建立软链接=== | |
+ | ln -s /usr/local/Python3/bin/python3 /usr/bin/python3 | ||
+ | ===设置环境变量=== | ||
+ | echo "export PATH=$PATH:$HOME/bin:/usr/local/Python3/bin" >> ~/.bash_profile | ||
− | + | source ~/.bash_profile | |
− | == | + | ==验证Python3== |
− | + | [root@localhost Python-3.6.5]# python3 -V | |
− | + | Python 3.6.5 | |
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− | + | [root@localhost Python-3.6.5]# pip3 -V | |
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− | + | pip 9.0.3 from /usr/local/Python3/lib/python3.6/site-packages (python 3.6) | |
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参考文档 | 参考文档 | ||
− | + | https://www.cnblogs.com/rmy020718/p/9191400.html | |
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2019年7月10日 (三) 09:03的版本
CentOS 7系统自带了python2,不过可以不用2版本,直接使用python3运行python脚本就可以,但是千万别去动系统自带的python2,因为有程序依赖目前的python2环境,比如yum,动了yum就无法运行了,其他有的程序也可能会受影响。明白了上面的,然后就来安装Python3.6:
安装依赖环境
yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
下载python3
wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz
安装python3
包安装在/usr/local/Python3(具体安装位置看个人喜好)
创建目录
mkdir -p /usr/local/Python3
解压下载好的Python-3.6.5.tgz包(具体包名因你下载的Python具体版本,我下载的是Python3.6.5这里就以Python-3.6.5.tgz为例)
tar -zxvf Python-3.6.5.tgz
编译安装
进入解压后的目录,编译安装
如果编译安装过程有报错提示,可参考文档:http://www.cnblogs.com/shwee/p/9013851.html
yum install -y gcc cd Python-3.6.5 ./configure --prefix=/usr/local/Python3
然后:make
make
接着:make install
make install
或者两步一起:make && make install
建立软链接
ln -s /usr/local/Python3/bin/python3 /usr/bin/python3
设置环境变量
echo "export PATH=$PATH:$HOME/bin:/usr/local/Python3/bin" >> ~/.bash_profile
source ~/.bash_profile
验证Python3
[root@localhost Python-3.6.5]# python3 -V
Python 3.6.5
[root@localhost Python-3.6.5]# pip3 -V
pip 9.0.3 from /usr/local/Python3/lib/python3.6/site-packages (python 3.6)
参考文档