Linux安装Python3.6

1. 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

2. 下载Python3

https://www.python.org/downloads/

# wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tgz

# wget https://www.python.org/ftp/python/3.6.4/Python-3.6.4.tgz

3. tar -zxvf Python-3.6.1.tgz

4. 进入解压后的目录，编译安装。

# cd Python-3.6.1
# ./configure --prefix=/usr/local/python3

# make && make altinstall 

5. 建立python3的软链

# ln -s /usr/local/python3/bin/python3.6 /usr/bin/python3

6. 并将/usr/local/python3/bin加入PATH

(有些服务器不需要加入 可能已经加入可 Python3 看看)

# vim ~/.bash_profile
# .bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
# User specific environment and startup programs
PATH=$PATH:$HOME/bin:/usr/local/python3/bin
export PATH

按ESC，输入:wq回车退出。

7. 修改完记得执行行下面的命令，让上一步的修改生效：

# source ~/.bash_profile

8. 检查Python3及pip3是否正常可用：

# python3 -V
Python 3.6.1
# pip3 -V

(1) -bash: pip3: command not found  不可用
(2) pip 9.0.1 from /usr/local/python3/lib/python3.6/site-packages (python 3.6)  可用


7.不行的话在创建一下pip3的软链接(我也不清楚这一步有什么用)

# ln -s /usr/local/python3/bin/pip3.6 /usr/bin/pip3

[root@iZ2ze2gicjp6mmu1g4beekZ ~]# pip3 -V
-bash: pip3: command not found
[root@iZ2ze2gicjp6mmu1g4beekZ ~]# pip3 -V
pip 9.0.1 from /usr/local/python3/lib/python3.6/site-packages (python 3.6)


DEPRECATION: The default format will switch to columns in the future. You can use --format=(legacy|columns) (or define a format=(legacy|columns) in your pip.conf under the [list] section) to disable this warning.
pip (9.0.1)
setuptools (28.8.0)

最后

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