sudo add-apt-repository ppa:bumblebee/stable
[sudo] password for ××:

^CTraceback (most recent call last):
  File "/usr/bin/add-apt-repository", line 119, in <module>
    shortcut = shortcut_handler(line)
  File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 837, in shortcut_handler
    ret = factory(shortcut)
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 382, in shortcut_handler
    return PPAShortcutHandler(shortcut)
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 346, in __init__
    info = get_ppa_info(self.shortcut)
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 321, in get_ppa_info
    ret = get_ppa_info_from_lp(user, ppa)
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 91, in get_ppa_info_from_lp
    return get_info_from_lp(lp_url)
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 87, in get_info_from_lp
    return _get_https_content_py3(lp_url)
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 101, in _get_https_content_py3
    lp_page = urllib.request.urlopen(request, cafile=LAUNCHPAD_PPA_CERT)
  File "/usr/lib/python3.4/urllib/request.py", line 161, in urlopen
    return opener.open(url, data, timeout)
  File "/usr/lib/python3.4/urllib/request.py", line 463, in open
    response = self._open(req, data)
  File "/usr/lib/python3.4/urllib/request.py", line 481, in _open
    '_open', req)
  File "/usr/lib/python3.4/urllib/request.py", line 441, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.4/urllib/request.py", line 1225, in https_open
    context=self._context, check_hostname=self._check_hostname)
  File "/usr/lib/python3.4/urllib/request.py", line 1182, in do_open
    h.request(req.get_method(), req.selector, req.data, headers)
  File "/usr/lib/python3.4/http/client.py", line 1088, in request
    self._send_request(method, url, body, headers)
  File "/usr/lib/python3.4/http/client.py", line 1126, in _send_request
    self.endheaders(body)
  File "/usr/lib/python3.4/http/client.py", line 1084, in endheaders
    self._send_output(message_body)
  File "/usr/lib/python3.4/http/client.py", line 922, in _send_output
    self.send(msg)
  File "/usr/lib/python3.4/http/client.py", line 857, in send
    self.connect()
  File "/usr/lib/python3.4/http/client.py", line 1223, in connect
    super().connect()
  File "/usr/lib/python3.4/http/client.py", line 834, in connect
    self.timeout, self.source_address)
  File "/usr/lib/python3.4/socket.py", line 503, in create_connection
    sock.connect(sa)
KeyboardInterrupt

3.19.0-12-generic

00:00.0 Host bridge [0600]: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154] (rev 09)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: ivb_uncore
00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port [8086:0151] (rev 09)
   Kernel driver in use: pcieport
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: i915
00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: xhci_hcd
00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: mei_me
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: ehci-pci
00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4)
   Kernel driver in use: pcieport
00:1c.2 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 [8086:1e14] (rev c4)
   Kernel driver in use: pcieport
00:1c.7 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 8 [8086:1e1e] (rev c4)
   Kernel driver in use: pcieport
00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation HM77 Express Chipset LPC Controller [8086:1e57] (rev 04)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GF108M [GeForce GT 630M] [10de:0de9] (rev a1)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: nouveau
04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device [10ec:5289] (rev 01)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: rtsx_pci
04:00.2 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0a)
   Subsystem: Acer Incorporated [ALI] Device [1025:0732]
   Kernel driver in use: r8169
09:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 105 [8086:0894] (rev c4)
   Subsystem: Intel Corporation Centrino Wireless-N 105 BGN [8086:0022]
   Kernel driver in use: iwlwifi

  *-display               
       description: VGA compatible controller
       product: GF108M [GeForce GT 630M] [10DE:DE9]
       vendor: NVIDIA Corporation [10DE]
       physical id: 0
       bus info: pci@0000:01:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
       configuration: driver=nouveau latency=0
       resources: irq:32 memory:d0000000-d0ffffff memory:a0000000-afffffff memory:b0000000-b1ffffff ioport:3000(size=128) memory:d1000000-d107ffff
  *-display
       description: VGA compatible controller
       product: 3rd Gen Core processor Graphics Controller [8086:166]
       vendor: Intel Corporation [8086]
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 09
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:30 memory:d2000000-d23fffff memory:c0000000-cfffffff ioport:4000(size=64)