在Centos7中安装Python 3.6.3（不删除系统自带的2.7.5）
[vagrant@localhost ~]$ sudo yum install yum-utils
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* epel: mirrors.ustc.edu.cn
* extras: mirrors.shuosc.org
* updates: mirrors.shuosc.org
Package yum-utils-1.1.31-42.el7.noarch already installed and latest version
Nothing to do
[vagrant@localhost ~]$ sudo yum -y install https://centos7.iuscommunity.org/ius-release.rpm
Loaded plugins: fastestmirror
ius-release.rpm | 8.1 kB 00:00:00
Examining /var/tmp/yum-root-bgDYJp/ius-release.rpm: ius-release-1.0-15.ius.centos7.noarch
Marking /var/tmp/yum-root-bgDYJp/ius-release.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package ius-release.noarch 0:1.0-15.ius.centos7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
===================================================================================================================================================================================
Package Arch Version Repository Size
===================================================================================================================================================================================
Installing:
ius-release noarch 1.0-15.ius.centos7 /ius-release 8.5 k
Transaction Summary
===================================================================================================================================================================================
Install 1 Package
Total size: 8.5 k
Installed size: 8.5 k
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : ius-release-1.0-15.ius.centos7.noarch 1/1
Verifying : ius-release-1.0-15.ius.centos7.noarch 1/1
Installed:
ius-release.noarch 0:1.0-15.ius.centos7
Complete!
[vagrant@localhost ~]$ sudo yum install python36u
Loaded plugins: fastestmirror
ius | 2.3 kB 00:00:00
ius/x86_64/primary_db | 234 kB 00:00:00
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* epel: mirrors.ustc.edu.cn
* extras: mirrors.shuosc.org
* ius: mirrors.tuna.tsinghua.edu.cn
* updates: mirrors.shuosc.org
Resolving Dependencies
--> Running transaction check
---> Package python36u.x86_64 0:3.6.3-1.ius.centos7 will be installed
--> Processing Dependency: python36u-libs(x86-64) = 3.6.3-1.ius.centos7 for package: python36u-3.6.3-1.ius.centos7.x86_64
--> Processing Dependency: libpython3.6m.so.1.0()(64bit) for package: python36u-3.6.3-1.ius.centos7.x86_64
--> Running transaction check
---> Package python36u-libs.x86_64 0:3.6.3-1.ius.centos7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
===================================================================================================================================================================================
Package Arch Version Repository Size
===================================================================================================================================================================================
Installing:
python36u x86_64 3.6.3-1.ius.centos7 ius 56 k
Installing for dependencies:
python36u-libs x86_64 3.6.3-1.ius.centos7 ius 8.7 M
Transaction Summary
===================================================================================================================================================================================
Install 1 Package (+1 Dependent package)
Total download size: 8.7 M
Installed size: 39 M
Is this ok [y/d/N]: y
Downloading packages:
warning: /var/cache/yum/x86_64/7/ius/packages/python36u-3.6.3-1.ius.centos7.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID 9cd4953f: NOKEY
Public key for python36u-3.6.3-1.ius.centos7.x86_64.rpm is not installed
(1/2): python36u-3.6.3-1.ius.centos7.x86_64.rpm | 56 kB 00:00:00
(2/2): python36u-libs-3.6.3-1.ius.centos7.x86_64.rpm | 8.7 MB 00:00:18
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 492 kB/s | 8.7 MB 00:00:18
Retrieving key from file:///etc/pki/rpm-gpg/IUS-COMMUNITY-GPG-KEY
Importing GPG key 0x9CD4953F:
Userid : "IUS Community Project
Fingerprint: 8b84 6e3a b3fe 6462 74e8 670f da22 1cdf 9cd4 953f
Package : ius-release-1.0-15.ius.centos7.noarch (installed)
From : /etc/pki/rpm-gpg/IUS-COMMUNITY-GPG-KEY
Is this ok [y/N]: y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : python36u-3.6.3-1.ius.centos7.x86_64 1/2
Installing : python36u-libs-3.6.3-1.ius.centos7.x86_64 2/2
Verifying : python36u-libs-3.6.3-1.ius.centos7.x86_64 1/2
Verifying : python36u-3.6.3-1.ius.centos7.x86_64 2/2
Installed:
python36u.x86_64 0:3.6.3-1.ius.centos7
Dependency Installed:
python36u-libs.x86_64 0:3.6.3-1.ius.centos7
Complete!
[vagrant@localhost ~]$ python3.6 -V
Python 3.6.3
再安装3.6对应的pip
[vagrant@localhost ~]$ sudo yum install python36u-pip
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* epel: mirrors.ustc.edu.cn
* extras: mirrors.shuosc.org
* ius: mirrors.tuna.tsinghua.edu.cn
* updates: mirrors.shuosc.org
Resolving Dependencies
--> Running transaction check
---> Package python36u-pip.noarch 0:9.0.1-1.ius.centos7 will be installed
--> Processing Dependency: python36u-setuptools for package: python36u-pip-9.0.1-1.ius.centos7.noarch
--> Running transaction check
---> Package python36u-setuptools.noarch 0:33.1.1-1.ius.centos7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
===================================================================================================================================================================================
Package Arch Version Repository Size
===================================================================================================================================================================================
Installing:
python36u-pip noarch 9.0.1-1.ius.centos7 ius 1.8 M
Installing for dependencies:
python36u-setuptools noarch 33.1.1-1.ius.centos7 ius 648 k
Transaction Summary
===================================================================================================================================================================================
Install 1 Package (+1 Dependent package)
Total download size: 2.4 M
Installed size: 12 M
Is this ok [y/d/N]: y
Downloading packages:
(1/2): python36u-pip-9.0.1-1.ius.centos7.noarch.rpm | 1.8 MB 00:00:01
(2/2): python36u-setuptools-33.1.1-1.ius.centos7.noarch.rpm | 648 kB 00:00:01
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 1.3 MB/s | 2.4 MB 00:00:01
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : python36u-setuptools-33.1.1-1.ius.centos7.noarch 1/2
Installing : python36u-pip-9.0.1-1.ius.centos7.noarch 2/2
Verifying : python36u-setuptools-33.1.1-1.ius.centos7.noarch 1/2
Verifying : python36u-pip-9.0.1-1.ius.centos7.noarch 2/2
Installed:
python36u-pip.noarch 0:9.0.1-1.ius.centos7
Dependency Installed:
python36u-setuptools.noarch 0:33.1.1-1.ius.centos7
Complete!
[vagrant@localhost ~]$ pip3.6
Usage:
pip
Commands:
install Install packages.
download Download packages.
uninstall Uninstall packages.
freeze Output installed packages in requirements format.
list List installed packages.
show Show information about installed packages.
check Verify installed packages have compatible dependencies.
search Search PyPI for packages.
wheel Build wheels from your requirements.
hash Compute hashes of package archives.
completion A helper command used for command completion.
help Show help for commands.
General Options:
-h, --help Show help.
--isolated Run pip in an isolated mode, ignoring environment variables and user configuration.
-v, --verbose Give more output. Option is additive, and can be used up to 3 times.
-V, --version Show version and exit.
-q, --quiet Give less output. Option is additive, and can be used up to 3 times (corresponding to WARNING, ERROR, and CRITICAL logging levels).
--log
--proxy
--retries
--timeout
--exists-action
--trusted-host
--cert
--client-cert
--cache-dir
--no-cache-dir Disable the cache.
--disable-pip-version-check
Don't periodically check PyPI to determine whether a new version of pip is available for download. Implied with --no-index.