SSL证书问题

Bootstrapping dependencies for RedHat-based OSes... (you can skip this with --no-bootstrap)
yum is /bin/yum
Loaded plugins: langpacks, versionlock
Package gcc-4.8.5-16.el7_4.1.x86_64 already installed and latest version
Package augeas-libs-1.4.0-2.el7_4.2.x86_64 already installed and latest version
Package 1penssl-1.0.2k-8.el7.x86_64 already installed and latest version
Package 1penssl-devel-1.0.2k-8.el7.x86_64 already installed and latest version
Package libffi-devel-3.0.13-18.el7.x86_64 already installed and latest version
Package redhat-rpm-config-9.1.0-76.el7.centos.noarch already installed and latest version
Package ca-certificates-2017.2.14-71.el7.noarch already installed and latest version
Package python-2.7.5-58.el7.x86_64 already installed and latest version
Package python-devel-2.7.5-58.el7.x86_64 already installed and latest version
Package python-virtualenv-1.10.1-4.el7.noarch already installed and latest version
Package python-tools-2.7.5-58.el7.x86_64 already installed and latest version
Package python2-pip-8.1.2-5.el7.noarch already installed and latest version
Nothing to do
Creating virtual environment...
Installing Python packages...
Had a problem while installing Python packages.

pip prints the following errors:
=====================================================
Collecting argparse==1.4.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 11))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl
Collecting pycparser==2.14 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 17))
Downloading https://pypi.doubanio.com/packag ... cparser-2.14.tar.gz (223kB)
Collecting asn1crypto==0.22.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 21))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl (97kB)
Collecting cffi==1.10.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 24))
Downloading https://pypi.doubanio.com/packag ... nylinux1_x86_64.whl (392kB)
Collecting ConfigArgParse==0.12.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 61))
Downloading https://pypi.doubanio.com/packag ... Parse-0.12.0.tar.gz (41kB)
Collecting configobj==5.0.6 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 63))
Downloading https://pypi.doubanio.com/packag ... figobj-5.0.6.tar.gz
Collecting cryptography==2.0.2 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 65))
Downloading https://pypi.doubanio.com/packag ... nylinux1_x86_64.whl (2.2MB)
Collecting enum34==1.1.2 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 96))
Downloading https://pypi.doubanio.com/packag ... enum34-1.1.2.tar.gz (46kB)
Collecting funcsigs==1.0.2 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 99))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl
Collecting idna==2.5 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 102))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl (55kB)
Collecting ipaddress==1.0.16 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 105))
Downloading https://pypi.doubanio.com/packag ... 6-py27-none-any.whl
下接


为网站申请SSL证书，报错提示这个，求助如何解决？


let's encrypt 证书

Collecting linecache2==1.0.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 108))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl
Collecting ordereddict==1.1 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 111))
Downloading https://pypi.doubanio.com/packag ... ereddict-1.1.tar.gz
Collecting packaging==16.8 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 113))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl
Collecting parsedatetime==2.1 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 116))
Downloading https://pypi.doubanio.com/packag ... .1-py2-none-any.whl
Collecting pbr==1.8.1 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 119))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl (89kB)
Collecting pyOpenSSL==16.2.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 122))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl (43kB)
Collecting pyparsing==2.1.8 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 125))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl (54kB)
Collecting pyRFC3339==1.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 134))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl
Collecting python-augeas==0.5.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 137))
Downloading https://pypi.doubanio.com/packag ... augeas-0.5.0.tar.gz (90kB)
Collecting pytz==2015.7 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 139))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl (476kB)
Collecting requests==2.12.1 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 153))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl (574kB)
Collecting six==1.10.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 156))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl
Collecting traceback2==1.4.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 159))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl
Collecting unittest2==1.1.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 162))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl (96kB)
Collecting zope.component==4.2.2 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 165))
Downloading https://pypi.doubanio.com/packag ... ponent-4.2.2.tar.gz (546kB)
Collecting zope.event==4.1.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 167))
Downloading https://pypi.doubanio.com/packag ... .event-4.1.0.tar.gz (476kB)
Collecting zope.interface==4.1.3 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 169))
Downloading https://pypi.doubanio.com/packag ... erface-4.1.3.tar.gz (141kB)
Collecting mock==1.3.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 188))
Downloading https://pypi.doubanio.com/packag ... y2.py3-none-any.whl (56kB)
Collecting letsencrypt==0.7.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 199))
Downloading https://pypi.doubanio.com/packages/fd/21/0c6f33829fadec8ac

a0c1ebb4d6f8101c05899356a58d1b2e506cb77cf18/letsencrypt-0.7.0-py2-none-any.whl
Collecting certbot==0.20.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 203))
Could not find a version that satisfies the requirement certbot==0.20.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 203)) (from versions: 0.6.0, 0.7.0, 0.8.0, 0.8.1, 0.9.0, 0.9.1, 0.9.2, 0.9.3, 0.10.0, 0.10.1, 0.10.2, 0.11.0, 0.11.1, 0.12.0, 0.13.0, 0.14.0, 0.14.1, 0.14.2, 0.15.0, 0.16.0, 0.17.0, 0.18.0, 0.18.1, 0.18.2, 0.19.0)
No matching distribution found for certbot==0.20.0 (from -r /tmp/tmp.MZVT0dKan4/letsencrypt-auto-requirements.txt (line 203))
=====================================================

Certbot has problem setting up the virtual environment.

We were not be able to guess the right solution from your pip
output.

Consult https://certbot.eff.org/docs/ins ... virtual-environment
for possible solutions.
You may also find some support resources at https://certbot.eff.org/support/ .

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