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WiFi does not connect (SOLVED)

Started by donwatson, March 06, 2015, 09:25:59 AM

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chemicalfan

#30
Shouldn't do, WPA2 is the standard now (WPA shouldn't really be used, as it's no longer safe - the encryption has been cracked)

donwatson

#31
Thanks chemicalfan,
I will do as Mark advised and see what happens.  ;)

I'm back with the good news that it all seems to be working ok.
The wireless control for the heating is lit and is communicating ok.
The computer is obviously working  ;) and the power bars for the connection show 88%.
So all in all I am a happy bunny  :D
I will mark as solved and will open this thread again if it starts to play up if that is ok ?

take care
Don W
Novatech build
Intel Celeron CPU 1.80 Ghz   Memory 4.00GB (3.71GB usable)
Peppermint 9    64 bit     500 GB HD        496 GB Ext 4
4.0GB Swap Partition    4.0GB Extended Partition   1.1Mb Free Space
External 2TiB HD


Mark Greaves (PCNetSpec)

#32
Quote from: donwatson on March 23, 2015, 10:07:15 AMThe gas board installed a new central heating unit recently and it is connected wirelessly. Will changing the settings to WPA2-PSK(AES) upset the settings for the heating ?

As long as you keep the wireless password the same it *should* be fine .. is there any way in the router settings that you can see what devices are connected ? (there usually is, but the VM interface is a bit dumbed down)

As chemicalfan suggests, WPA2 is the standard now .. i'd be surprised if your central heating wasn't capable of it

BTW, wirelesss central heating ?? .. why, are you able to control it wirelessly or sommat ?
WARNING: You are logged into reality as 'root'
logging in as 'insane' is the only safe option.
pcnetspec.co.uk

donwatson

Hi Mark,
Our posts crossed.  ;)
The installer wanted to install the control on my mobile phone. This was so I could phone the controller and put the heating on before I arrived home ?
I can switch off/on with the computer and I can control timing and temperature with the computer but it is all a bit of a gimmick.
It is in fact a bit of a pain as it only works twice a day and you have to press buttons on the controller to set it on/off when you want it outside thes times.
take care
Don W
Novatech build
Intel Celeron CPU 1.80 Ghz   Memory 4.00GB (3.71GB usable)
Peppermint 9    64 bit     500 GB HD        496 GB Ext 4
4.0GB Swap Partition    4.0GB Extended Partition   1.1Mb Free Space
External 2TiB HD

Mark Greaves (PCNetSpec)

Just to check you're now on WPA2, can you post the output from:
sudo iwlist scan
again.

I don't know if WPA2 will make your connection more stable .. we'll have to wait and see :)
WARNING: You are logged into reality as 'root'
logging in as 'insane' is the only safe option.
pcnetspec.co.uk


donwatson

Hi Mark,
Does this look ok ?

[email protected] ~ $ sudo iwlist scan
[sudo] password for don:
eth0      Interface doesn't support scanning.

lo        Interface doesn't support scanning.

wlan0     Scan completed :
          Cell 01 - Address: 20:0C:C8:7D:08:18
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=-34 dBm 
                    Encryption key:on
                    ESSID:"VM185937-2G"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=000000020f654793
                    Extra: Last beacon: 4ms ago
                    IE: Unknown: 000B564D3138353933372D3247
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 0706474220010D14
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E6E70D00
                    IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E6E70D00
                    IE: Unknown: 3D160B080400000000000000000000000000000000000000
                    IE: Unknown: 34160B080400000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F0101
                    IE: Unknown: DD180050F20201018C0003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD8A0050F204104A00011010440001021057000101103B000103104700109D1CC8C68D6A5315ACFC727103E2758A102100074E65746765617210230007564D444734383510240007564D44473438351042000D334257343432575831364442351054000800060050F204000110110007564D444734383510080002210C103C0001011049000600372A000120
          Cell 02 - Address: C4:04:15:DF:58:40
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=12/70  Signal level=-98 dBm 
                    Encryption key:on
                    ESSID:"VM236002-2G"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000021b4c2e04e2
                    Extra: Last beacon: 4ms ago
                    IE: Unknown: 000B564D3233363030322D3247
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 0706474220010D14
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E6E70D00
                    IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E6E70D00
                    IE: Unknown: 3D160B001500000000000000000000000000000000000000
                    IE: Unknown: 34160B001500000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F0101
                    IE: Unknown: DD180050F2020101830003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD8A0050F204104A00011010440001021057000101103B00010310470010E7EFDC3DDCE8590F967844D9DE0825D2102100074E65746765617210230007564D444734383510240007564D44473438351042000D334257333431575831353631321054000800060050F204000110110007564D444734383510080002210C103C0001011049000600372A000120
          Cell 03 - Address: 7C:4C:A5:12:64:35
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=12/70  Signal level=-98 dBm 
                    Encryption key:on
                    ESSID:"SKY76FCE"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=0000002fed8671aa
                    Extra: Last beacon: 752ms ago
                    IE: Unknown: 0008534B593736464345
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 050400010000
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 2D1AEC181BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D160B080400000000000000000000000000000000000000
                    IE: Unknown: DD180050F204104A00011010440001021049000600372A000120
                    IE: Unknown: DD090010180202F02C0000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00

[email protected] ~ $

Novatech build
Intel Celeron CPU 1.80 Ghz   Memory 4.00GB (3.71GB usable)
Peppermint 9    64 bit     500 GB HD        496 GB Ext 4
4.0GB Swap Partition    4.0GB Extended Partition   1.1Mb Free Space
External 2TiB HD

Mark Greaves (PCNetSpec)

OK as long as your routers SSID is VM185937-2G then you're definitely now on WPA2

But

Every time I ask you for the scan output your router has switched to a different wireless channel .. this time channel 11 which is the same channel as the other 2 routers around you are using.
I can only assume your router is set to automatically select a wireless channel .. and it's not doing a very good job.

If I were you I'd set your router to always use channel 8 or maybe 3 .. I haven't seen any of the routers around yo use either of those channels (they seem to favour 1, 6, and 11 .. so 3 or 8 give you some separation).

Once you've done that .. post tthe output from:
sudo iwlist scan
again
WARNING: You are logged into reality as 'root'
logging in as 'insane' is the only safe option.
pcnetspec.co.uk

donwatson

Hi Mark,
I have done as you requested and set the channel to 8.
Here is the result

[email protected] ~ $ sudo iwlist scan
[sudo] password for don:
eth0      Interface doesn't support scanning.

lo        Interface doesn't support scanning.

wlan0     Scan completed :
          Cell 01 - Address: 20:0C:C8:7D:08:18
                    Channel:8
                    Frequency:2.447 GHz (Channel 8)
                    Quality=42/70  Signal level=-68 dBm 
                    Encryption key:on
                    ESSID:"VM185937-2G"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000000005dec7a0
                    Extra: Last beacon: 4ms ago
                    IE: Unknown: 000B564D3138353933372D3247
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030108
                    IE: Unknown: 0706474220010D14
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E6E70D00
                    IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E6E70D00
                    IE: Unknown: 3D1608080400000000000000000000000000000000000000
                    IE: Unknown: 341608080400000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F0101
                    IE: Unknown: DD180050F2020101850003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD8A0050F204104A00011010440001021057000101103B000103104700109D1CC8C68D6A5315ACFC727103E2758A102100074E65746765617210230007564D444734383510240007564D44473438351042000D334257343432575831364442351054000800060050F204000110110007564D444734383510080002210C103C0001011049000600372A000120
          Cell 02 - Address: 00:F2:01:0B:C7:0C
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=12/70  Signal level=-98 dBm 
                    Encryption key:on
                    ESSID:"BTHub5-Q8GM"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000007b333ee180
                    Extra: Last beacon: 4396ms ago
                    IE: Unknown: 000B4254487562352D5138474D
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030101
                    IE: Unknown: 050402030000
                    IE: Unknown: 0706474220010D14
                    IE: Unknown: 2A0100
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1AAC011BFFFF000000000000000000008000000000000000000000
                    IE: Unknown: 3D1601000500000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F080100000000000040
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: DD2C0050F204104A00011010440001021057000100104700101930C1972A555B758AC2751321C087AA103C000101
          Cell 03 - Address: 7C:4C:A5:DD:2C:7D
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=22/70  Signal level=-88 dBm 
                    Encryption key:on
                    ESSID:"SKY9380E"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=0000001f3b727266
                    Extra: Last beacon: 4ms ago
                    IE: Unknown: 0008534B593933383045
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 2F0104
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 0B050400200000
                    IE: Unknown: 2D1AAC181BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1606081500000000000000000000000000000000000000
                    IE: Unknown: 7F03000008
                    IE: Unknown: DD800050F204104A0001101044000102103B000103104700103709C9AA4B662229C82524204BF8879B1021000842726F6164636F6D1023000842726F6164636F6D1024000631323334353610420004313233341054000800060050F20400011011000A42726F6164636F6D415010080002200C103C0001011049000600372A000120
                    IE: Unknown: DD090010180204000C0000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00

[email protected] ~ $
Novatech build
Intel Celeron CPU 1.80 Ghz   Memory 4.00GB (3.71GB usable)
Peppermint 9    64 bit     500 GB HD        496 GB Ext 4
4.0GB Swap Partition    4.0GB Extended Partition   1.1Mb Free Space
External 2TiB HD

Mark Greaves (PCNetSpec)

WARNING: You are logged into reality as 'root'
logging in as 'insane' is the only safe option.
pcnetspec.co.uk


donwatson

Thanks Mark,
It started ok this morning.
I will mark this as solved.  :)
Novatech build
Intel Celeron CPU 1.80 Ghz   Memory 4.00GB (3.71GB usable)
Peppermint 9    64 bit     500 GB HD        496 GB Ext 4
4.0GB Swap Partition    4.0GB Extended Partition   1.1Mb Free Space
External 2TiB HD

Mark Greaves (PCNetSpec)

WARNING: You are logged into reality as 'root'
logging in as 'insane' is the only safe option.
pcnetspec.co.uk

donwatson

Hi Mark,
The same problem has occured again   :'(
I switched the computer on (twice) and didn't get an internet connection.
I tried the old Samsung with the IntelAtom and it was ok. I opened this thread and got down to post 9 where it says to
ping -c 5 192.168.0.1
I switched on the offending computer and I have an Internet connection ?
I am getting fed up here. Everything is ok now. Is there anything I can do ?
Novatech build
Intel Celeron CPU 1.80 Ghz   Memory 4.00GB (3.71GB usable)
Peppermint 9    64 bit     500 GB HD        496 GB Ext 4
4.0GB Swap Partition    4.0GB Extended Partition   1.1Mb Free Space
External 2TiB HD

Mark Greaves (PCNetSpec)

WARNING: You are logged into reality as 'root'
logging in as 'insane' is the only safe option.
pcnetspec.co.uk

donwatson

I get this Mark
[email protected] ~ $ uname -a
Linux ldwatson 3.13.0-49-generic #81-Ubuntu SMP Tue Mar 24 19:29:48 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Does it help.

Novatech build
Intel Celeron CPU 1.80 Ghz   Memory 4.00GB (3.71GB usable)
Peppermint 9    64 bit     500 GB HD        496 GB Ext 4
4.0GB Swap Partition    4.0GB Extended Partition   1.1Mb Free Space
External 2TiB HD

Mark Greaves (PCNetSpec)

Do you want to try updating to the 3.16 kernel series and see if that makes a difference ?

if so, can you confirm this is Peppermint 5 / Ubuntu 14.04 ?
WARNING: You are logged into reality as 'root'
logging in as 'insane' is the only safe option.
pcnetspec.co.uk