python3 설치 여부 확인


$ yum search python3

설치할 만만하게 없다면 ius를 추가한다.


$ yum install -y https://centos7.iuscommunity.org/ius-release.rpm


Loaded plugins: fastestmirror


Cannot open: https://centos7.iuscommunity.org/ius-release.rpm. Skipping.


Error: Nothing to do


이럴 때는 rpm을 다운로드하고 바로 설치한다.


$ wget https://centos7.iuscommunity.org/ius-release.rpm --no-check-certificate


$ yum install -y ius-release.rpm


$ sudo yum install -y python36u python36u-libs python36u-devel python36u-pip


$ python3.6 -V

Python 3.6.4




python3로 실행될 수 있도록 링크를 변경한다. 


$ ls -l /bin/python*

lrwxrwxrwx. 1 root root     7  7월  3  2018 /bin/python -> python2

lrwxrwxrwx. 1 root root    14  7월  3  2018 /bin/python-config -> python2-config

lrwxrwxrwx. 1 root root     9  7월  3  2018 /bin/python2 -> python2.7

lrwxrwxrwx. 1 root root    16  7월  3  2018 /bin/python2-config -> python2.7-config

-rwxr-xr-x. 1 root root  7216  4월 11  2018 /bin/python2.7

-rwxr-xr-x. 1 root root  1835  4월 11  2018 /bin/python2.7-config

-rwxr-xr-x  2 root root 11384  5월  3 05:43 /bin/python3.6

lrwxrwxrwx  1 root root    26  7월 23 18:46 /bin/python3.6-config -> /usr/bin/python3.6m-config

-rwxr-xr-x  2 root root 11384  5월  3 05:43 /bin/python3.6m

-rwxr-xr-x  1 root root   173  5월  3 05:42 /bin/python3.6m-config

-rwxr-xr-x  1 root root  3435  5월  3 05:40 /bin/python3.6m-x86_64-config



$ sudo unlink /bin/python

$ sudo ln -s /bin/python3.6 /bin/python3

$ sudo ln -s /bin/python3.6 /bin/python

$ sudo ln -s /bin/pip3.6 /bin/pip

$ ls -l /bin/python*

lrwxrwxrwx  1 root root    14  7월 23 18:47 /bin/python -> /bin/python3.6

lrwxrwxrwx. 1 root root    14  7월  3  2018 /bin/python-config -> python2-config

lrwxrwxrwx. 1 root root     9  7월  3  2018 /bin/python2 -> python2.7

lrwxrwxrwx. 1 root root    16  7월  3  2018 /bin/python2-config -> python2.7-config

-rwxr-xr-x. 1 root root  7216  4월 11  2018 /bin/python2.7

-rwxr-xr-x. 1 root root  1835  4월 11  2018 /bin/python2.7-config

lrwxrwxrwx  1 root root    14  7월 23 18:47 /bin/python3 -> /bin/python3.6

-rwxr-xr-x  2 root root 11384  5월  3 05:43 /bin/python3.6

lrwxrwxrwx  1 root root    26  7월 23 18:46 /bin/python3.6-config -> /usr/bin/python3.6m-config

-rwxr-xr-x  2 root root 11384  5월  3 05:43 /bin/python3.6m

-rwxr-xr-x  1 root root   173  5월  3 05:42 /bin/python3.6m-config

-rwxr-xr-x  1 root root  3435  5월  3 05:40 /bin/python3.6m-x86_64-config



pip3를 설치한다.


$ wget https://bootstrap.pypa.io/get-pip.py


$ sudo -E python get-pip.py


$pip3 -V

pip 19.2 from /usr/lib/python3.6/site-packages/pip (python 3.6)





Posted by 김용환 '김용환'

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