机器：
hostnamectl set-hostname node1
编译安装python3
yum install -y libaio-devel gcc gcc-c++ zlib-devel expect bzip2
[root@node1 ~]# mkdir -p /opt/software/txdb
[root@node1 ~]# chmod 755 -R /opt/software
[root@node1 ~]# wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz
[root@node1 ~]# mkdir -p /usr/local/python3
[root@node1 ~]# tar -zxvf Python-3.6.5.tgz
[root@node1~]# cd Python-3.6.5
[root@node1 Python-3.6.5]#./configure --prefix=/usr/local/python3 --e
nable-shared CFLAGS=-fPIC && make && make install
[root@node1 Python-3.6.5]# ln -s /usr/local/python3/bin/python3 /usr/
bin/python3
[root@node1 Python-3.6.5]# ln -s /usr/local/python3/bin/pip3 /usr/bin
/pip3
[root@node1
Python-3.6
.5
]#
cat
<<END
>>
/etc/ld.so.conf.d/python3.conf
/usr/local/python3/lib
END
[root@node1 Python-3.6.5]# ldconfig