我尝试在 mu 中安装 kubuntuUbuntu 16.04。
当我打字时sudo add-apt-repository ppa:kubuntu-ppa/backports
终端没有显示任何内容。几秒钟后，当我按下Ctrl+C终端显示以下错误
falcon@falcon:~$ sudo add-apt-repository ppa:kubuntu-ppa/backports
^CTraceback (most recent call last):
File "/usr/bin/add-apt-repository", line 122, in <module>
shortcut = shortcut_handler(line)
File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 864, in shortcut_handler
ret = factory(shortcut)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 407, in shortcut_handler
return PPAShortcutHandler(shortcut)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 364, in __init__
info = get_ppa_info(self.shortcut)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 335, in get_ppa_info
ret = get_ppa_info_from_lp(user, ppa)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 92, in get_ppa_info_from_lp
return get_info_from_lp(lp_url)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 88, in get_info_from_lp
return _get_https_content_py3(lp_url)
File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 110, in _get_https_content_py3
lp_page = urllib.request.urlopen(request, cafile=LAUNCHPAD_PPA_CERT)
File "/usr/lib/python3.5/urllib/request.py", line 163, in urlopen
return opener.open(url, data, timeout)
File "/usr/lib/python3.5/urllib/request.py", line 466, in open
response = self._open(req, data)
File "/usr/lib/python3.5/urllib/request.py", line 484, in _open
'_open', req)
File "/usr/lib/python3.5/urllib/request.py", line 444, in _call_chain
result = func(*args)
File "/usr/lib/python3.5/urllib/request.py", line 1297, in https_open
context=self._context, check_hostname=self._check_hostname)
File "/usr/lib/python3.5/urllib/request.py", line 1254, in do_open
h.request(req.get_method(), req.selector, req.data, headers)
File "/usr/lib/python3.5/http/client.py", line 1106, in request
self._send_request(method, url, body, headers)
File "/usr/lib/python3.5/http/client.py", line 1151, in _send_request
self.endheaders(body)
File "/usr/lib/python3.5/http/client.py", line 1102, in endheaders
self._send_output(message_body)
File "/usr/lib/python3.5/http/client.py", line 934, in _send_output
self.send(msg)
File "/usr/lib/python3.5/http/client.py", line 877, in send
self.connect()
File "/usr/lib/python3.5/http/client.py", line 1252, in connect
super().connect()
File "/usr/lib/python3.5/http/client.py", line 849, in connect
(self.host,self.port), self.timeout, self.source_address)
File "/usr/lib/python3.5/socket.py", line 702, in create_connection
sock.connect(sa)
编辑 ：
我在其他 PPA 上也遇到了同样的错误，似乎与 PPA 管理器有关
附言：我已尝试与此相关的多个线程问题，但并未解决我的问题，因此开始了新的线程。
请修复任何错误。提前致谢
答案1
我遇到了类似的问题。它对我的情况很有效。试试这个！ sudo add-apt-repository 引发异常