Install python3 from source

**** Hello everyone, I'm Overlord Unarmor, I haven't updated my blog for a long time, today I'm bringing you the source code installation tutorial of centos python3! ! ! ! !

python official website: https://www.python.org/

Download the python3 package

Install yum source and epel source

Unzip the installation

[root@localhost a]# ls
Python-3.6.0.tgz
[root@localhost a]# tar -xf Python-3.6.0.tgz -C /usr/local/src/
[root@localhost a]# cd /usr/local/src/
[root@localhost src]# ls
Python-3.6.0
[root@localhost src]# cd Python-3.6.0/
[root@localhost Python-3.6.0]# sed -i 's/^#readline/readline/' Modules/Setup.dist
[root@localhost Python-3.6.0]# sed -ri 's/^#(_ssl)/\1/p' Modules/Setup.dist
[root@localhost Python-3.6.0]# sed -ri 's/^#([\t]-DUSE)/\1/p' Modules/Setup.dist
[root@localhost Python-3.6.0]# sed -ri 's/^#([\t]
-L\$(SSL))/\1/p' Modules/Setup.dist

[root@localhost Python-3.6.0]# 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 gcc

[root@localhost Python-3.6.3]# ./configure --enable-shared --enable-optimizations

[root@localhost Python-3.6.3]# make -j 2 && make install
(-j is the number of cpus)

Configure shared library files

  1. First find the installation path of this file

image-20180420113551605

  1. Set shared library directory for all users

    Open the configuration file with vi editor/etc/profile

    vi /etc/profile

    Write the following at the end of the file:

python3.6 shared directory
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib

test python3

image-20180420113524843

Enter exit()to exit python3.6

The above is the process of installing python. You can try it. If you have any questions, leave a message to me. Thank you! ! ! !

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