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• Level 3 Communications Monitoring

  - by thursdasy

  Does level 3 Communications offer any type of map of current network status? It seems our connection here is getting high latency through their network. Also what is the experience asking them questions about if one of their appliances is malfunctioning or being overloaded because you are receiving bad latency in their network?

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• How to conncet(join) host laptop to the guset 2k8 server [closed]

  - by Dawood Said

  Dear brother I have core i5 laptop with wireless ip " 192.168.3.102", and I installed virtulbx in my laptop.In the virtualbox I made a network of two virtual machine W2k8 and window xp of ip's 192.168.3.200 and 192.168.3.201 respectively with " internal network" option from virtulabox. Now i want to coonet the host laptop to this virtual network and also wnat that the internet is running on the laptop . Is it possible please help me in this regard

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• 13.10 - Weird WiFi connection problems - WMP300N - Broadcom BCM4321

  - by user1898041

  Just installed 13.10 on my desktop and I really like it. After having problems with getting the wifi to work, I installed it connected to the internet with an ethernet cable and added in the 3rd party software and updates as per the installation procedure. After installation was completed, I saw the wifi icon in the upper right hand corner, but it was not seeing any wifi networks. Some Googling brought me to use the 'Additional Drivers' application. It found the WMP300N Broadcom BDM4321 based pci wifi card and installed the proprietary Broadcom STA wireless driver, which may have been installed before. I'm not sure. Here is the weird part: when I start my system, wifi seems to be in some sort of suspended state where the system sees that the card exists but the card will not detect any wifi networks. It will work after booting once I 'Additional Drivers' application and then start FireFox. I know it seems weird, but this is the process I've got down to get the card to recognize wifi networks. After those applications are open for a few seconds, the card starts to function like normal (although maintaining the wifi connection is problem but most likely a seperate issue). The reason this is a problem is because this is supposed to just be a headless box managed through SSH. Here are the readouts from the common network diagnosis programs BEFORE I open 'Additional Drivers' and 'FireFox'. All commands were done with sudo. lspci 00:00.0 Host bridge: Intel Corporation 82G35 Express DRAM Controller (rev 03) 00:01.0 PCI bridge: Intel Corporation 82G35 Express PCI Express Root Port (rev 03) 00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02) 00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02) 00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02) 00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02) 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02) 00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 02) 00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 02) 00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92) 00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02) 00:1f.2 SATA controller: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode] (rev 02) 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02) 01:00.0 VGA compatible controller: NVIDIA Corporation GT216 [GeForce GT 220] (rev a2) 01:00.1 Audio device: NVIDIA Corporation High Definition Audio Controller (rev a1) 02:00.0 Ethernet controller: Qualcomm Atheros Attansic L1 Gigabit Ethernet (rev b0) 03:00.0 IDE interface: JMicron Technology Corp. JMB368 IDE controller 05:00.0 Network controller: Broadcom Corporation BCM4321 802.11b/g/n (rev 01) 05:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6306/7/8 [Fire II(M)] IEEE 1394 OHCI Controller (rev c0) - lshw *-network description: Ethernet interface product: Attansic L1 Gigabit Ethernet vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:02:00.0 logical name: eth0 version: b0 serial: 00:22:15:00:a8:12 capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=atl1 driverversion=2.1.3 latency=0 link=no multicast=yes port=twisted pair resources: irq:46 memory:feac0000-feafffff memory:feaa0000-feabffff *-network description: Wireless interface product: BCM4321 802.11b/g/n vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:05:00.0 logical name: eth1 version: 01 serial: 00:23:69:d8:2b:16 width: 32 bits clock: 33MHz capabilities: bus_master ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=6.30.223.141 (r415941) latency=64 multicast=yes wireless=IEEE 802.11abg resources: irq:16 memory:febfc000-febfffff - ifconfig eth0 Link encap:Ethernet HWaddr 00:22:15:00:a8:12 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) eth1 Link encap:Ethernet HWaddr 00:23:69:d8:2b:16 inet6 addr: fe80::223:69ff:fed8:2b16/64 Scope:Link UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:16 Base address:0xc000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:24 errors:0 dropped:0 overruns:0 frame:0 TX packets:24 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1856 (1.8 KB) TX bytes:1856 (1.8 KB) - iwconfig eth1 IEEE 802.11abg ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=200 dBm Retry long limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off - iwlist scan eth1 No scan results - Here are the various commands AFTER I open 'Additional Drivers' and 'FireFox' lspci 00:00.0 Host bridge: Intel Corporation 82G35 Express DRAM Controller (rev 03) 00:01.0 PCI bridge: Intel Corporation 82G35 Express PCI Express Root Port (rev 03) 00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02) 00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02) 00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02) 00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02) 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02) 00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 02) 00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 02) 00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92) 00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02) 00:1f.2 SATA controller: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI mode] (rev 02) 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02) 01:00.0 VGA compatible controller: NVIDIA Corporation GT216 [GeForce GT 220] (rev a2) 01:00.1 Audio device: NVIDIA Corporation High Definition Audio Controller (rev a1) 02:00.0 Ethernet controller: Qualcomm Atheros Attansic L1 Gigabit Ethernet (rev b0) 03:00.0 IDE interface: JMicron Technology Corp. JMB368 IDE controller 05:00.0 Network controller: Broadcom Corporation BCM4321 802.11b/g/n (rev 01) 05:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. VT6306/7/8 [Fire II(M)] IEEE 1394 OHCI Controller (rev c0) - lshw *-network description: Ethernet interface product: Attansic L1 Gigabit Ethernet vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:02:00.0 logical name: eth0 version: b0 serial: 00:22:15:00:a8:12 capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=atl1 driverversion=2.1.3 latency=0 link=no multicast=yes port=twisted pair resources: irq:46 memory:feac0000-feafffff memory:feaa0000-feabffff *-network description: Wireless interface product: BCM4321 802.11b/g/n vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:05:00.0 logical name: eth1 version: 01 serial: 00:23:69:d8:2b:16 width: 32 bits clock: 33MHz capabilities: bus_master ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=6.30.223.141 (r415941) ip=192.168.1.103 latency=64 multicast=yes wireless=IEEE 802.11abg resources: irq:16 memory:febfc000-febfffff - ifconfig eth0 Link encap:Ethernet HWaddr 00:22:15:00:a8:12 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) eth1 Link encap:Ethernet HWaddr 00:23:69:d8:2b:16 inet addr:192.168.1.103 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::223:69ff:fed8:2b16/64 Scope:Link UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:85 errors:0 dropped:0 overruns:0 frame:11901 TX packets:132 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:52641 (52.6 KB) TX bytes:19058 (19.0 KB) Interrupt:16 Base address:0xc000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:76 errors:0 dropped:0 overruns:0 frame:0 TX packets:76 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:6084 (6.0 KB) TX bytes:6084 (6.0 KB) - iwconfig eth1 IEEE 802.11abg ESSID:"BU" Mode:Managed Frequency:2.447 GHz Access Point: 00:26:F2:1F:81:02 Bit Rate=54 Mb/s Tx-Power=200 dBm Retry long limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=59/70 Signal level=-51 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 - iwlist scan A LOT OF SSIDs FOUND! - I'd like to have this problem fixed, but I'm not quite sure where to go. Been Googling a lot and can't seem to find anyone else with this problem.

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• Unable to connect to Wireless after installing Ubuntu 12.10

  - by Moulik

  I am using Asus U56E laptop and after installing Ubuntu 12.10 alongside Windows 8, I am unable to connect to the Wireless. I have been trying to solve this problem since two weeks and couldn't solve it. Please help. Any answer would be appreciated. Here are some command-line results. lspci -v | grep -iA 7 network ubuntu@ubuntu:~$ lspci -v | grep -iA 7 network 02:00.0 Network controller: Intel Corporation Centrino Wireless-N + WiMAX 6150 (rev 67) Subsystem: Intel Corporation Centrino Wireless-N + WiMAX 6150 BGN Flags: bus master, fast devsel, latency 0, IRQ 52 Memory at de800000 (64-bit, non-prefetchable) [size=8K] Capabilities: <access denied> Kernel driver in use: iwlwifi Kernel modules: iwlwifi lsmod | grep iwlwifi ubuntu@ubuntu:~$ lsmod | grep iwlwifi iwlwifi 386826 0 mac80211 539908 1 iwlwifi cfg80211 206566 2 iwlwifi,mac80211 ubuntu@ubuntu:~$ dmesg | grep iwlwifi [ 57.846261] iwlwifi: Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree: [ 57.846264] iwlwifi: Copyright(c) 2003-2012 Intel Corporation [ 57.846336] iwlwifi 0000:02:00.0: >pci_resource_len = 0x00002000 [ 57.846338] iwlwifi 0000:02:00.0: >pci_resource_base = ffffc90000c7c000 [ 57.846341] iwlwifi 0000:02:00.0: >HW Revision ID = 0x67 [ 57.846438] iwlwifi 0000:02:00.0: >irq 52 for MSI/MSI-X [ 59.558335] iwlwifi 0000:02:00.0: >loaded firmware version 41.28.5.1 build 33926 [ 59.558514] iwlwifi 0000:02:00.0: >CONFIG_IWLWIFI_DEBUG disabled [ 59.558516] iwlwifi 0000:02:00.0: >CONFIG_IWLWIFI_DEBUGFS enabled [ 59.558517] iwlwifi 0000:02:00.0: >CONFIG_IWLWIFI_DEVICE_TRACING enabled [ 59.558519] iwlwifi 0000:02:00.0: >CONFIG_IWLWIFI_DEVICE_TESTMODE enabled [ 59.558520] iwlwifi 0000:02:00.0: >CONFIG_IWLWIFI_P2P disabled [ 59.558522] iwlwifi 0000:02:00.0: >Detected Intel(R) Centrino(R) Wireless-N + WiMAX 6150 BGN, REV=0x84 [ 59.558583] iwlwifi 0000:02:00.0: >L1 Disabled; Enabling L0S [ 59.569083] iwlwifi 0000:02:00.0: >device EEPROM VER=0x557, CALIB=0x6 [ 59.569085] iwlwifi 0000:02:00.0: >Device SKU: 0x150 [ 59.569087] iwlwifi 0000:02:00.0: >Valid Tx ant: 0x1, Valid Rx ant: 0x3 [ 59.569100] iwlwifi 0000:02:00.0: >Tunable channels: 13 802.11bg, 0 802.11a channels [ 70.208469] iwlwifi 0000:02:00.0: >L1 Disabled; Enabling L0S [ 70.208648] iwlwifi 0000:02:00.0: >Radio type=0x1-0x2-0x0 [ 70.366319] iwlwifi 0000:02:00.0: >L1 Disabled; Enabling L0S [ 70.366470] iwlwifi 0000:02:00.0: >Radio type=0x1-0x2-0x0 sudo lshw -c network ubuntu@ubuntu:~$ sudo lshw -c network *-network description: Wireless interface product: Centrino Wireless-N + WiMAX 6150 vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: wlan0 version: 67 serial: 40:25:c2:84:99:c4 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=3.5.0-17-generic firmware=41.28.5.1 build 33926 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:52 memory:de800000-de801fff *-network description: Ethernet interface product: AR8151 v2.0 Gigabit Ethernet vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:04:00.0 logical name: eth0 version: c0 serial: 54:04:a6:2b:6a:ef capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.0-NAPI latency=0 link=no multicast=yes port=twisted pair resources: irq:54 memory:dd400000-dd43ffff ioport:a000(size=128) ifconfig ubuntu@ubuntu:~$ ifconfig eth0 Link encap:Ethernet HWaddr 54:04:a6:2b:6a:ef UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:176 errors:0 dropped:0 overruns:0 frame:0 TX packets:176 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:14368 (14.3 KB) TX bytes:14368 (14.3 KB) wlan0 Link encap:Ethernet HWaddr 40:25:c2:84:99:c4 UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) iwconfig ubuntu@ubuntu:~$ iwconfig eth0 no wireless extensions. lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=15 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off iwlist scan ubuntu@ubuntu:~$ iwlist scan eth0 Interface doesn't support scanning. lo Interface doesn't support scanning. wlan0 No scan results nm-tool ubuntu@ubuntu:~$ nm-tool NetworkManager Tool State: disconnected - Device: eth0 ----------------------------------------------------------------- Type: Wired Driver: atl1c State: unavailable Default: no HW Address: 54:04:A6:2B:6A:EF Capabilities: Carrier Detect: yes Wired Properties Carrier: off - Device: wlan0 ---------------------------------------------------------------- Type: 802.11 WiFi Driver: iwlwifi State: disconnected Default: no HW Address: 40:25:C2:84:99:C4 Capabilities: Wireless Properties WEP Encryption: yes WPA Encryption: yes WPA2 Encryption: yes Wireless Access Points hypeness2: Infra, 00:21:29:DA:08:4F, Freq 2462 MHz, Rate 54 Mb/s, Strength 42 WPA love: Infra, 68:7F:74:17:02:66, Freq 2412 MHz, Rate 54 Mb/s, Strength 19 WPA WPA2 DIRECT-MwSCX-3400Pamela: Infra, 02:15:99:A3:3F:AC, Freq 2412 MHz, Rate 54 Mb/s, Strength 22 WPA2 router: Infra, 1C:AF:F7:D6:76:F3, Freq 2417 MHz, Rate 54 Mb/s, Strength 20 WPA2 wing: Infra, E8:40:F2:34:E4:F7, Freq 2437 MHz, Rate 54 Mb/s, Strength 20 WPA WPA2 132LINKSYS: Infra, 00:1A:70:80:1F:E9, Freq 2437 MHz, Rate 54 Mb/s, Strength 57 WEP VMITTAL: Infra, E0:46:9A:3C:F0:C4, Freq 2412 MHz, Rate 54 Mb/s, Strength 27 WEP HP-Print-10-LaserJet 1025: Infra, 7C:E9:D3:7E:F8:10, Freq 2437 MHz, Rate 54 Mb/s, Strength 59 ACNBB: Infra, 00:26:75:22:A6:2F, Freq 2437 MHz, Rate 54 Mb/s, Strength 20 SATKAIVAL: Infra, 00:18:E7:CE:69:A6, Freq 2412 MHz, Rate 54 Mb/s, Strength 69 WPA WPA2 hypeness: Infra, B8:E6:25:24:C3:B1, Freq 2437 MHz, Rate 54 Mb/s, Strength 54 WPA WPA2 CSNetwork: Infra, BC:14:01:58:C5:88, Freq 2437 MHz, Rate 54 Mb/s, Strength 25 WPA WPA2 tharma: Infra, BC:14:01:E2:06:18, Freq 2412 MHz, Rate 54 Mb/s, Strength 15 WPA WPA2 Active2.4: Infra, 10:6F:3F:0E:F3:8E, Freq 2462 MHz, Rate 54 Mb/s, Strength 17 WPA WPA2 ACNBB: Infra, 00:26:75:58:4E:7A, Freq 2437 MHz, Rate 54 Mb/s, Strength 85 KO: Infra, BC:14:01:2E:AF:A8, Freq 2452 MHz, Rate 54 Mb/s, Strength 22 WPA WPA2 FEAR: Infra, 00:18:4D:C0:BC:58, Freq 2462 MHz, Rate 54 Mb/s, Strength 17 WPA Pamela: Infra, BC:14:01:52:F6:F8, Freq 2412 MHz, Rate 54 Mb/s, Strength 24 WPA WPA2 bvrk2: Infra, 78:CD:8E:7B:3C:79, Freq 2457 MHz, Rate 54 Mb/s, Strength 19 WPA WPA2 BELL030: Infra, D8:6C:E9:17:AF:09, Freq 2462 MHz, Rate 54 Mb/s, Strength 22 WPA2 Desai: Infra, 00:1D:7E:52:FB:C5, Freq 2437 MHz, Rate 54 Mb/s, Strength 14 WEP Sritharan: Infra, BC:14:01:E5:59:78, Freq 2462 MHz, Rate 54 Mb/s, Strength 19 WPA WPA2 PFN: Infra, 00:13:10:8B:CF:45, Freq 2437 MHz, Rate 54 Mb/s, Strength 19 WEP rfkill list all ubuntu@ubuntu:~$ rfkill list all 0: asus-wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: asus-wimax: WiMAX Soft blocked: yes Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: no so these are some more results sudo modprobe -r iwlwifi ubuntu@ubuntu:~$ sudo modprobe -r iwlwifi sudo modprobe iwlwifi 11n_disable=1 ubuntu@ubuntu:~$ sudo modprobe iwlwifi 11n_disable=1 echo "blacklist asus_wmi" | sudo tee -a /etcmodprobe.d/blacklist.conf ubuntu@ubuntu:~$ echo "blacklist asus_wmi" | sudo tee -a /etc/modprobe.d/blacklist.conf blacklist asus_wmi echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf ubuntu@ubuntu:~$ echo "options iwlwifi 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf options iwlwifi 11n_disable=1 sudo modprobe -rfv iwlwifi ubuntu@ubuntu:~$ sudo modprobe -rfv iwlwifi rmmod /lib/modules/3.5.0-17-generic/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko rmmod /lib/modules/3.5.0-17-generic/kernel/net/mac80211/mac80211.ko rmmod /lib/modules/3.5.0-17-generic/kernel/net/wireless/cfg80211.ko sudo modprobe -v iwlwifi ubuntu@ubuntu:~$ sudo modprobe -v iwlwifi insmod /lib/modules/3.5.0-17-generic/kernel/net/wireless/cfg80211.ko insmod /lib/modules/3.5.0-17-generic/kernel/net/mac80211/mac80211.ko insmod /lib/modules/3.5.0-17-generic/kernel/drivers/net/wireless/iwlwifi/iwlwifi.ko 11n_disable=1

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• Wireless networks are not detected at start up in Ubuntu 12.04

  - by Kanhaiya Mishra

  I have recently (three four days ago) installed Ubuntu 12.04 via windows installer i.e. wubi.exe. After the installation completed wireless and Ethernet were both working well. But after restart wireless networks didn't show up while in the network manager both networking and wireless were enabled. Though sometimes after boot it did show the networks available but very rarely. So I went through various posts regarding wireless issues in Ubuntu 12.04 and tried so many things but ended up in nothing satisfactory. I have Broadcom 4313 LAN network controller and brcmsmac driver. Then relying on some suggestions I tried to install bcm-wl driver but couldn't install due to some error in jockeyl.log file. Then i tried fresh installation of the same driver but still could resolve the startup issues with wireless. Then again I reinstalled Ubuntu inside windows using wubi installer. This time again same problem occurred after boot. But this time I successfully installed wl driver before disturbing file-system files of Ubuntu. But again the same issue. This time I noticed some new things: If I inserted Ethernet/LAN cable before startup then wireless networks are available and of course LAN(wired) networks also work. but if i don't plug in cable before startup and then plug it after startup then it didn't detect Ethernet network neither wireless. So I haven't noticed it before that LAN along with wifi also doesn't work after startup. But if i suspend the session and make it sleep and again login then it worked. I tried it every time that WLAN worked perfectly. But still i m unable to resolve that startup problem. Each time i boot first I have to suspend it once then only networks are available. It irritates me each time i reboot/boot my lappy. So please help out of this problem. Any ideas/help regarding this issue would be highly appreciated. Some of the commands that i run gave following results: # lspci 00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 12) 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 12) 00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06) 00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06) 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06) 00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06) 00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 06) 00:1c.5 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 6 (rev 06) 00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6) 00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 06) 00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 06) 00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 06) 00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06) 03:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01) 04:00.0 Ethernet controller: Atheros Communications Inc. AR8152 v1.1 Fast Ethernet (rev c1) ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02) ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02) ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02) ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02) ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02) ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02) # sudo lshw -C network *-network description: Wireless interface product: BCM4313 802.11b/g/n Wireless LAN Controller vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:03:00.0 logical name: eth1 version: 01 serial: 70:f1:a1:49:b6:ab width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=wl0 driverversion=5.100.82.38 ip=192.168.1.7 latency=0 multicast=yes wireless=IEEE 802.11 resources: irq:17 memory:f0500000-f0503fff *-network description: Ethernet interface product: AR8152 v1.1 Fast Ethernet vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:04:00.0 logical name: eth0 version: c1 serial: b8:ac:6f:6b:f7:4a capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.0-NAPI firmware=N/A latency=0 link=no multicast=yes port=twisted pair resources: irq:44 memory:f0400000-f043ffff ioport:2000(size=128) # lsmod | grep wl wl 2568210 0 lib80211 14381 2 lib80211_crypt_tkip,wl # sudo iwlist eth1 scanning eth1 Scan completed : Cell 01 - Address: 30:46:9A:85:DA:9A ESSID:"BH DASHIR 2" Mode:Managed Frequency:2.462 GHz (Channel 11) Quality:4/5 Signal level:-60 dBm Noise level:-98 dBm IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD7F0050F204104A00011010440001021041000100103B000103104700109AFE7D908F8E2D381860668BA2E8D8771021000D4E4554474541522C20496E632E10230009574752363134763130102400095747523631347631301042000538333235381054000800060050F204000110110009574752363134763130100800020084 Encryption key:on 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; 6 Mb/s; 9 Mb/s 12 Mb/s; 48 Mb/s Cell 02 - Address: C0:3F:0E:EB:45:14 ESSID:"BH DASHIR 3" Mode:Managed Frequency:2.462 GHz (Channel 11) Quality:2/5 Signal level:-71 dBm Noise level:-98 dBm IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD7F0050F204104A00011010440001021041000100103B00010310470010F3C9BBE499D140540F530E7EBEDE2F671021000D4E4554474541522C20496E632E10230009574752363134763130102400095747523631347631301042000538333235381054000800060050F204000110110009574752363134763130100800020084 Encryption key:on 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; 6 Mb/s; 9 Mb/s 12 Mb/s; 48 Mb/s Cell 03 - Address: A0:21:B7:A8:2F:C0 ESSID:"BH DASHIR 4" Mode:Managed Frequency:2.422 GHz (Channel 3) Quality:1/5 Signal level:-86 dBm Noise level:-98 dBm IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD8B0050F204104A0001101044000102103B0001031047001000000000000010000000A021B7A82FC01021000D4E6574676561722C20496E632E10230009574E523130303076321024000456324831104200046E6F6E651054000800060050F20400011011001B574E5231303030763228576972656C6573732041502D322E344729100800020086103C000103 Encryption key:on 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; 24 Mb/s; 36 Mb/s 48 Mb/s; 54 Mb/s

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• Creating PDF documents dynamically using Umbraco and XSL-FO part 2

  - by Vizioz Limited

  Since my last post I have made a few modifications to the PDF generation, the main one being that the files are now dynamically renamed so that they reflect the name of the case study instead of all being called PDF.PDF which was not a very helpful filename, I just wanted to get something live last week, so decided that something was better than nothing :)The issue with the filenames comes down to the way that the PDF's are being generated by using an alternative template in Umbraco, this means that all you need to do is add " /pdf " to the end of a case study URL and it will create a PDF version of the case study. The down side is that your browser will merrily download the file and save it as PDF.PDF because that is the name of the last part of the URL.What you need to do is set the content-disposition header to be equal to the name you would like the file use, Darren Ferguson mentioned this on the Change the name of the PDF forum post.We have used the same technique for downloading dynamically generated excel files, so I thought it would be useful to create a small macro to set both this header and also to set the caching headers to prevent any caching issues, I think in the past we have experienced all possible issues, including various issues where IE behaves differently to other browsers when you are using SSL and so the below code should work in all situations!The template for the PDF alternative template is very simple:<%@ Master Language="C#" MasterPageFile="~/umbraco/masterpages/default.master" AutoEventWireup="true" %><asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolderDefault" runat="server"> <umbraco:Macro Alias="PDFHeaders" runat="server"></umbraco:Macro> <umbraco:Macro xsl="FO-CaseStudy.xslt" Alias="PDFXSLFO" runat="server"></umbraco:Macro></asp:Content>The following code snippet is the XSLT macro that simply creates our file name and then passes the file name into the helper function:<xsl:template match="/"> <xsl:variable name="fileName"> <xsl:text>Vizioz_</xsl:text> <xsl:value-of select="$currentPage/@nodeName" /> <xsl:text>_case_study.pdf</xsl:text> </xsl:variable> <xsl:value-of select="Vizioz.Helper:AddDocumentDownloadHeaders('application/pdf', $fileName)"/> </xsl:template>And the following code is the helper function that clears the current response and adds all the appropriate headers:public static void AddDocumentDownloadHeaders(string contentType, string fileName){ HttpResponse response = HttpContext.Current.Response; HttpRequest request = HttpContext.Current.Request; response.Clear(); response.ClearHeaders(); if (request.IsSecureConnection & request.Browser.Browser == "IE") { // Don't use the caching headers if the browser is IE and it's a secure connection // see: http://support.microsoft.com/kb/323308 } else { // force not using the cache response.AppendHeader("Cache-Control", "no-cache"); response.AppendHeader("Cache-Control", "private"); response.AppendHeader("Cache-Control", "no-store"); response.AppendHeader("Cache-Control", "must-revalidate"); response.AppendHeader("Cache-Control", "max-stale=0"); response.AppendHeader("Cache-Control", "post-check=0"); response.AppendHeader("Cache-Control", "pre-check=0"); response.AppendHeader("Pragma", "no-cache"); response.Cache.SetCacheability(HttpCacheability.NoCache); response.Cache.SetNoStore(); response.Cache.SetExpires(DateTime.UtcNow.AddMinutes(-1)); } response.AppendHeader("Expires", DateTime.Now.AddMinutes(-1).ToLongDateString()); response.AppendHeader("Keep-Alive", "timeout=3, max=993"); response.AddHeader("content-disposition", "attachment; filename=\"" + fileName + "\""); response.ContentType = contentType;}I will write another blog soon with some more details about XSL-FO and how to create the PDF's dynamically.Please do re-tweet if you find this interest :)

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• Comparing Apples and Pairs

  - by Tony Davis

  A recent study, High Costs and Negative Value of Pair Programming, by Capers Jones, pulls no punches in its assessment of the costs-to- benefits ratio of pair programming, two programmers working together, at a single computer, rather than separately. He implies that pair programming is a method rushed into production on a wave of enthusiasm for Agile or Extreme Programming, without any real regard for its effectiveness. Despite admitting that his data represented a far from complete study of the economics of pair programming, his conclusions were stark: it was 2.5 times more expensive, resulted in a 15% drop in productivity, and offered no significant quality benefits. The author provides a more scientific analysis than Jon Evans’ Pair Programming Considered Harmful, but the theme is the same. In terms of upfront-coding costs, pair programming is surely more expensive. The claim of productivity loss is dubious and contested by other studies. The third claim, though, did surprise me. The author’s data suggests that if both the pair and the individual programmers employ static code analysis and testing, then there is no measurable difference in the resulting code quality, in terms of defects per function point. In other words, pair programming incurs a massive extra cost for no tangible return in investment. There were, inevitably, many criticisms of his data and his conclusions, a few of which are persuasive. Firstly, that the driver/observer model of pair programming, on which the study bases its findings, is far from the most effective. For example, many find Ping-Pong pairing, based on use of test-driven development, far more productive. Secondly, that it doesn’t distinguish between “expert” and “novice” pair programmers– that is, independently of other programming skills, how skilled was an individual at pair programming. Thirdly, that his measure of quality is too narrow. This point rings true, certainly at Red Gate, where developers don’t pair program all the time, but use the method in short bursts, while tackling a tricky problem and needing a fresh perspective on the best approach, or more in-depth knowledge in a particular domain. All of them argue that pair programming, and collective code ownership, offers significant rewards, if not in terms of immediate “bug reduction”, then in removing the likelihood of single points of failure, and improving the overall quality and longer-term adaptability/maintainability of the design. There is also a massive learning benefit for both participants. One developer told me how he once worked in the same team over consecutive summers, the first time with no pair programming and the second time pair-programming two-thirds of the time, and described the increased rate of learning the second time as “phenomenal”. There are a great many theories on how we should develop software (Scrum, XP, Lean, etc.), but woefully little scientific research in their effectiveness. For a group that spends so much time crunching other people’s data, I wonder if developers spend enough time crunching data about themselves. Capers Jones’ data may be incomplete, but should cause a pause for thought, especially for any large IT departments, supporting commerce and industry, who are considering pair programming. It certainly shouldn’t discourage teams from exploring new ways of developing software, as long as they also think about how to gather hard data to gauge their effectiveness.

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• Django: Unicode Filenames with ASCII headers?

  - by TheLizardKing

  I have a list of strangely encoded files: 02 - Charlie, Woody and You/Study #22.mp3 which I suppose isn't so bad but there are a few particular characters which Django OR nginx seem to be snagging on. >>> test = u'02 - Charlie, Woody and You/Study #22.mp3' >>> test u'02 - Charlie, Woody and You\uff0fStudy #22.mp3' I am using nginx as a reverse proxy to connect to django's built in webserver (still in development stages) and postgresql for my database. My database and tables are all en_US.UTF-8 and I am using pgadmin3 to view my tables outside of django. My issue goes a little beyond my title, firstly how should I be saving possibly whacky filenames in my database? My current method is 'path': smart_unicode(path.lstrip(MUSIC_PATH)), 'filename': smart_unicode(file) and when I pprint out the values they do show u'whateverthecrap' I am not sure if that is how I should be doing it but assuming it is now I have issues trying to spit out the download. My download view looks something like this: def song_download(request, song_id): song = get_object_or_404(Song, pk=song_id) url = u'/static_music/%s/%s' % (song.path, song.filename) print url response = HttpResponse() response['X-Accel-Redirect'] = url response['Content-Type'] = 'audio/mpeg' response['Content-Disposition'] = "attachment; filename=test.mp3" return response and most files will download but when I get to 02 - Charlie, Woody and You/Study #22.mp3 I receive this from django: 'ascii' codec can't encode character u'\uff0f' in position 118: ordinal not in range(128), HTTP response headers must be in US-ASCII format. How can I use an ASCII acceptable string if my filename is out of bounds? 02 - Charlie, Woody and You\uff0fStudy #22.mp3 doesn't seem to work... EDIT 1 I am using Ubuntu for my OS.

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• Parsing Chunk of Data into Hash of Array With Perl

  - by neversaint

  I have data that looks like this: #info #info2 1:SRX004541 Submitter: UT-MGS, UT-MGS Study: Glossina morsitans transcript sequencing project(SRP000741) Sample: Glossina morsitans(SRS002835) Instrument: Illumina Genome Analyzer Total: 1 run, 8.3M spots, 299.9M bases Run #1: SRR016086, 8330172 spots, 299886192 bases 2:SRX004540 Submitter: UT-MGS Study: Anopheles stephensi transcript sequencing project(SRP000747) Sample: Anopheles stephensi(SRS002864) Instrument: Solexa 1G Genome Analyzer Total: 1 run, 8.4M spots, 401M bases Run #1: SRR017875, 8354743 spots, 401027664 bases 3:SRX002521 Submitter: UT-MGS Study: Massive transcriptional start site mapping of human cells under hypoxic conditions.(SRP000403) Sample: Human DLD-1 tissue culture cell line(SRS001843) Instrument: Solexa 1G Genome Analyzer Total: 6 runs, 27.1M spots, 977M bases Run #1: SRR013356, 4801519 spots, 172854684 bases Run #2: SRR013357, 3603355 spots, 129720780 bases Run #3: SRR013358, 3459692 spots, 124548912 bases Run #4: SRR013360, 5219342 spots, 187896312 bases Run #5: SRR013361, 5140152 spots, 185045472 bases Run #6: SRR013370, 4916054 spots, 176977944 bases What I want to do is to create a hash of array with first line of each chunk as keys and SR## part of lines with "^Run" as its array member: $VAR = { 'SRX004541' => ['SRR016086'], # etc } But why my construct doesn't work. And it must be a better way to do it. use Data::Dumper; my %bighash; my $head = ""; my @temp = (); while ( <> ) { chomp; next if (/^\#/); if ( /^\d{1,2}:(\w+)/ ) { print "$1\n"; $head = $1; } elsif (/^Run \#\d+: (\w+),.*/){ print "\t$1\n"; push @temp, $1; } elsif (/^$/) { push @{$bighash{$head}}, [@temp]; @temp =(); } } print Dumper \%bighash ;

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• IE7 & IE8 error executing function with ajax

  - by Yahreen

  I am loading an ajax page which executes an HTML5 video player script. The function for the Flash fallback is html5media(); : //Load 1st Case Study $("#splash").live('click', function (e) { $(this).fadeOut('slow', function () { $('#case-studies').load('case-study-1.html', function() { html5media(); //initiate Flash fallback }).fadeIn(); }); e.preventDefault(); }); This initial page load works fine in IE7 & IE8. The problem is once this page is loaded, there are links to 4 more videos which are loaded in again using ajax. I use this function: //Switcher function csClients(url, client) { $("#case-studies").fadeOut('slow', function() { $('#case-studies').load(url, function () { html5media(); //initiate Flash fallback }).fadeIn(); }); } //Page Loader $("#cs-client-list li.client1 a").live('click', function(e) { csClients('case-study-1.html', 'client1'); e.preventDefault(); }); Originally I was using return false; but none of the sub-page Flash videos would load in IE7. When I switched to preventDefault, the videos loaded in IE7 but still not in IE8. I also get a weird error in both IE7 & IE8 with no helpful feedback: Error on Page: Unspecified error. / (Line 49) Code: 0 (Char 5) URI: http://www.mysite.com This is line 49 in my index page: <section id="case-studies" class="main-section"> I have a feeling it has to do with calling html5media(); too many times? At a loss...

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• How can I read and parse chunks of data into a Perl hash of arrays?

  - by neversaint

  I have data that looks like this: #info #info2 1:SRX004541 Submitter: UT-MGS, UT-MGS Study: Glossina morsitans transcript sequencing project(SRP000741) Sample: Glossina morsitans(SRS002835) Instrument: Illumina Genome Analyzer Total: 1 run, 8.3M spots, 299.9M bases Run #1: SRR016086, 8330172 spots, 299886192 bases 2:SRX004540 Submitter: UT-MGS Study: Anopheles stephensi transcript sequencing project(SRP000747) Sample: Anopheles stephensi(SRS002864) Instrument: Solexa 1G Genome Analyzer Total: 1 run, 8.4M spots, 401M bases Run #1: SRR017875, 8354743 spots, 401027664 bases 3:SRX002521 Submitter: UT-MGS Study: Massive transcriptional start site mapping of human cells under hypoxic conditions.(SRP000403) Sample: Human DLD-1 tissue culture cell line(SRS001843) Instrument: Solexa 1G Genome Analyzer Total: 6 runs, 27.1M spots, 977M bases Run #1: SRR013356, 4801519 spots, 172854684 bases Run #2: SRR013357, 3603355 spots, 129720780 bases Run #3: SRR013358, 3459692 spots, 124548912 bases Run #4: SRR013360, 5219342 spots, 187896312 bases Run #5: SRR013361, 5140152 spots, 185045472 bases Run #6: SRR013370, 4916054 spots, 176977944 bases What I want to do is to create a hash of array with first line of each chunk as keys and SR## part of lines with "^Run" as its array member: $VAR = { 'SRX004541' => ['SRR016086'], # etc } But why my construct doesn't work. And it must be a better way to do it. use Data::Dumper; my %bighash; my $head = ""; my @temp = (); while ( <> ) { chomp; next if (/^\#/); if ( /^\d{1,2}:(\w+)/ ) { print "$1\n"; $head = $1; } elsif (/^Run \#\d+: (\w+),.*/){ print "\t$1\n"; push @temp, $1; } elsif (/^$/) { push @{$bighash{$head}}, [@temp]; @temp =(); } } print Dumper \%bighash ;

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• No Wi-Fi after system reboot

  - by ILya

  Something strange is happening... I've installed a Wi-Fi card into my Ubuntu Server 11.04 machine. To configure it I do the following: sudo vi /etc/network/interfaces add: iface wlan0 inet dhcp wpa-driver wext wpa-ssid "Sweet Home" wpa-ap-scan 1 wpa-proto WPA wpa-pairwise TKIP wpa-group TKIP wpa-key-mgmt WPA-PSK wpa-psk <A KEY> auto wlan0 then: $ sudo /etc/init.d/networking restart * Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces * Reconfiguring network interfaces... ssh stop/waiting ssh start/running, process 1522 ssh stop/waiting ssh start/running, process 1590 And my machine successfully gets an ip to my wireless adapter. But after reboot it doesn't get any ip in wireless network. To fix it I run /etc/init.d/networking restart again and all is fine again - it gets an ip. I understand that I simply should add it to my startup scripts to make it work properly, but maybe there is a better way to configure it?

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• Can't download web photo albums to Picasa

  - by Arcadie

  Someone has shared a Picasa web album (Limited, anyone with the link), but I can't download it to Picasa. The following alert appears: Firefox doesn't know how to open this address, because the protocol (picasa) isn't associated with any program. I have Picasa 3.0.0 installed on Ubuntu 11.04, I remember it saying something about registering the picasa protocol with Firefox during the installation. I have Firefox 6.0.2, and these settings are present in about:config network.protocol-handler.app.picasa;/usr/bin/picasa network.protocol-handler.expose.picasa;true network.protocol-handler.external.picasa;true Picasa is located here: $ which picasa /usr/bin/picasa Is there something I can do to make this work? PS: I hope this is not off-topic here, and I can't find the "picasa" tag. Could someone please add it, if appropriate?

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• Thanks to NxtGenUG Manchester - Hyper-V for Developers presentation now available for download

  - by Liam Westley

  Thanks to Steve and Andy at NxtGenUG Manchester for making me very welcome and for the guys who didn't head down the pub for a Guinness for St Patrick's Day and came to NxtGen instead.  I hope you all got something from the presentation, if not technical insights, at least a can of Guinness of Tunnocks caramel wafer as swag. As promised here is the presentation in both PowerPoint and Adobe PDF format (with speaker notes), http://www.tigernews.co.uk/blog-twickers/nxtgenugmanc/hyperv4devs-ppt.zip http://www.tigernews.co.uk/blog-twickers/nxtgenugmanc/hyperv4devs-pdf.zip Since I gave the presentation Microsoft has released XP Mode (Windows Virtual PC for use under Windows 7) without the requirement for hardware virtualisation. Read more about that here, http://blogs.msdn.com/Virtual_PC_Guy/ For anyone who has seen this presentation at other user groups, there is a new section at the end of the presentation dealing with the various networking configurations under Hyper-V; not connected, private network, internal network and external network.  This includes details of what these mean, and a Venn diagram to aid understanding of the implications.

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• Virtualbox: host only networking - proxy internet connection

  - by Russell

  I'll ask my question first, then give details about where I am coming from: Is it possible to use host only, then have ubuntu act as a proxy to provide internet access to windows? If so, how? I am trying to get the right combination of networking for my virtualbox windows client VM (win7). My host is ubuntu 10.10 (maverick). I believe I understand the basic network options (please correct me if I am incorrect): NAT - Host can't communicate with guest but guest has access to all host's adapters Host only - Separate adapter but guest has no net access Bridged - bridge an adapter in the host with the virtual adapter to give the host access to the host adapter I am trying to give my win guest internet access, but also access the host in a separate network. Bridged only works when the host is connected to the internet (this is a laptop) so when it's not connected the network is down. Thanks I appreciate your help.

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• How to boot Ubuntu 12.04-64bit from a USB from Compaq CQ58

  - by user208092

  I try to boot Ubuntu 12.04, 64-bit on my Compaq CQ58 laptop from a USB but it is not working. I've correctly installed the Ubuntu on my pen drive following the instructions on Ubuntu website. (http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-windows) These are my BIOS settings: Post Hotkey Delay (sec) <0 CD-ROM Boot Internal Network Adapter Boot Network Boot Protocol Legacy Support Secure Boot Platform Key Enrolled Pending Action None Clear All Secure Boot UEFI Boot Order: USB Diskette on Key/USB Hard Disk OS Boot Manager Internal CD/DVD ROM Drive ! Network Adapter With these settings when i restart my computer what shows up is: Boot Device Not Found. This is what I get on the Boot Manager: Boot Option Menu OS boot Manager Boot From EFI File (Arrow Up) and (Arrow Down) to change option, ENTER to select an option. Press F10 to BIOS Setup Options, ESC to exit. PLEASE HELP... P.S. My laptop has windows 8

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• Continue with out a default route?

  - by user2009

  I am doing a complete unattended install of Ubuntu 12.04. I am doing static network configuration. Here is content for Static network configuration from the preseed file. d-i netcfg/disable_dhcp boolean true d-i netcfg/no_default_route boolean true d-i netcfg/get_nameservers string 192.168.1.254 d-i netcfg/get_ipaddress string 192.168.1.13 d-i netcfg/get_netmask string 255.255.255.0 d-i netcfg/get_gateway string 192.168.1.1 d-i netcfg/confirm_static boolean true Still is asking "Continue without a default route?". I have to say , then only installed is going ahead. Am passing preseed file via network (preseed/url). How to avoid this manual intervention? Does the order of netcfg statements matter?

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• Ralink RT3060 Driver not working

  - by Hoerlle

  I am new to linux. I was using fedora and now switching to Ubuntu for a try. On Fedora my wireless network card was working OK from the OS install (I didnt had to do anything for it to work) On Ubuntu, with the lspci -v command, I get: Network controller: Ralink corp. RT3060 Wireless 802.11n 1T/1R Subsystem: Ralink corp. RT3060 Wireless 802.11n 1T/1R Flags: bus master, slow devsel, latency 64, IRQ 20 Memory at fe9e0000 (32-bit, non-prefetchable) [size=64K] Capabilities: <access denied> Kernel driver in use: rt2800pci Kernel modules: rt2800pci But I am not able to find any wireless network. What to do now? Thanks

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• How to set-up DSL dialer for Ubuntu 12.04 LTS

  - by Mohammad Yaseen

  I have just installed Ubuntu 12.04 LTS and I'm unable to get my DSL dialer working properly. To set this up in Windows 7 I had to do following: Control Panel --- Network and Intertnet Network and sharing center --- Setup a new network or connection Connect to the internet --- Broadband PPPoE Enter username and Password.. CLick 'Connect' and Done. I am doing following steps in Ubuntu with no luck: Click on 'Two Arrows' (i don't know what they are called) on upper right corner. Configure VPN --- DSL tab --- Add Then I entered username, password, MAC address and Clone MAC address (copied from Auto Ethernet). Save The same set up used to work with Ubuntu 10.10 but it is not working here. Now whenever I click on DSL Connection 1 to connect dialer 'Auto Ethernet' gets disconneted and I end up with no Internet connection. I am new to Ubuntu, Please suggest some easy steps. I have installed ubuntu alongside windows. And dialer works fine in Windows environment, i am writing this in Windows .

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• Cannot add repository key

  - by William Anthony

  I just installed my new laptop with ubuntu 12.04 and when I'm trying to add key, there is a "network unreachable" error. william@ubuntu:~$ gpg --keyserver hkp://keys.gnupg.net --recv-keys 1C4CBDCDCD2EFD2A gpg: requesting key CD2EFD2A from hkp server keys.gnupg.net ?: keys.gnupg.net: Network is unreachable gpgkeys: HTTP fetch error 7: couldn't connect: Network is unreachable gpg: no valid OpenPGP data found. gpg: Total number processed: 0 I'm so sure the keyserver is not down, because I tried it again at my old laptop running ubuntu 11.04 william@william:~$ gpg --keyserver hkp://keys.gnupg.net --recv-keys 1C4CBDCDCD2EFD2A gpg: requesting key CD2EFD2A from hkp server keys.gnupg.net gpg: key CD2EFD2A: "Percona MySQL Development Team <[email protected]>" not changed gpg: Total number processed: 1 gpg: unchanged: 1 Is this a bug?

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• Error on restarting networking :SIOCSIFFLAGS

  - by Paddington

  I have a sever with 2 network cards, an internal IP on one card (eth0) and external IPs (aliased) on the other card (eth1). I lost connection the public network and I tried to restart networking with /etc/init.d/networking restart and got the error "SIOCSIFFLAGS: cannot assing requested IP and Failed to bring up eth1". I even added the IPs in the interfaces file but still got an error on restarting. I could not ping my default gateway. A work around was to add ifconfig eth 0 x.x.x.x route -add default gw x.x.x.z I could then connect to the public network. What could be the issue here?

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• How can I make a permanently updated copy of a file in a different place to the original file?

  - by Mark

  I use two computers, a Linux one for coding and building and a Windows one which has the programming application to load the built program onto the hardware. Both computers have access to a network drive which I use to pass the files from Linux to Windows. My problem is, that every time I build I have to copy the files from where the are created to the network drive. How can I make some sort of file in the network drive on Ubuntu that always mirrors the file which is built in the different location, like a pointer? Thanks!

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• Announcement Oracle Solaris 11.1 Availability!

  - by uwes

  On 25th of October Oracle announced the availability of Oracle Solaris 11.1. Highlights include: 8x faster database startup and shutdown and online resizing of the database SGA with a new optimized shared memory interface between the database and Oracle Solaris 11.1 Up to 20% throughput increases for Oracle Real Application Clusters by offloading lock management into the Oracle Solaris kernel Expanded support for Software Defined Networks (SDN) with Edge Virtual Bridging enhancements to maximize network resource utilization and manage bandwidth in cloud environments 4x faster Solaris Zone updates with parallel operations shorten maintenance windows New built-in memory predictor monitors application memory use and provides optimized memory page sizes and resource location to speed overall application performance. More information could be found under the following links: Oracle Solaris 11.1 Data Sheet  What's New in Oracle Solaris 11.1 Oracle Solaris 11.1 FAQs Oracle.com Oracle Solaris page Oracle Technology Network Oracle Solaris page Resources for downloading: Download Solaris 11.1 Order Solaris 11.1 media kit Existing customers can quickly and simply update using the network based repository

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• Will an Atheros AR928X work with WPA2?

  - by Tommy

  Basically I need only the answer to above question. Please think of that I am new to linux. For further explanation here is the full story: I have the following problem. My friends notebook (Vista) has got a trojan and refuses to work anymore. The Avira Rescue CD did not help either. So I tried an old (9.1) Ubuntu CD and backed up all the essential files. Since we have no Windows Install Disk we want to put Ubuntu on that notebook. But with the 9.1 version there is no WLAN. Systemtest tells me, that it finds an Atheros AR928X, but ifconfig does not show that and the network manager tells me there are no LAN/WLAN devices. So: does that work easier with the new Ubuntu version or is that network adapter a known troublemaker? And: if I get the adapter to work, will it work with the WPA2-network around here?

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• Cannot connect to secure wireless with Netgear wna3100 USB

  - by Vince Radice

  I have installed Ubuntu 11.10. I used a wired connection to download and install all of the updates. When I tried to use a Netgear WNA3100 wireless USB network adapter, it failed. Much searching and trying things I was finally able to get it working by disabling security on my router. I have verified this by disabling security and I was able to connect. When I enabled security (WPA2 PSK), the connection failed. What is necessary to enable security (WPA2 PSK) and still use the Netgear USB interface? Here is the output from the commands most requested lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 003: ID 0846:9020 NetGear, Inc. WNA3100(v1) Wireless-N 300 [Broadcom BCM43231] lshw -C network *-network description: Ethernet interface product: RTL-8139/8139C/8139C+ vendor: Realtek Semiconductor Co., Ltd. physical id: 3 bus info: pci@0000:02:03.0 logical name: eth0 version: 10 serial: 00:40:ca:44:e6:3e size: 10Mbit/s capacity: 100Mbit/s width: 32 bits clock: 33MHz capabilities: pm bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=8139too driverversion=0.9.28 duplex=half latency=32 link=no maxlatency=64 mingnt=32 multicast=yes port=MII speed=10Mbit/s resources: irq:19 ioport:c800(size=256) memory:ee011000-ee0110ff memory:40000000-4000ffff *-network description: Wireless interface physical id: 1 logical name: wlan0 serial: e0:91:f5:56:e1:0d capabilities: ethernet physical wireless configuration: broadcast=yes driver=ndiswrapper+bcmn43xx32 driverversion=1.56+,08/26/2009, 5.10.79.30 ip=192.168.1.104 link=yes multicast=yes wireless=IEEE 802.11g iwconfig lo no wireless extensions. eth0 no wireless extensions. wlan0 IEEE 802.11g ESSID:"vincecarolradice" Mode:Managed Frequency:2.422 GHz Access Point: A0:21:B7:9F:E5:EE Bit Rate=121.5 Mb/s Tx-Power:32 dBm RTS thr:2347 B Fragment thr:2346 B Encryption key:off Power Management:off Link Quality:76/100 Signal level:-47 dBm Noise level:-96 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 ndiswrapper -l bcmn43xx32 : driver installed device (0846:9020) present lsmod | grep ndis ndiswrapper 193669 0 dmesg | grep -e ndis -e wlan [ 907.466392] ndiswrapper version 1.56 loaded (smp=yes, preempt=no) [ 907.838507] ndiswrapper (import:233): unknown symbol: ntoskrnl.exe:'IoUnregisterPlugPlayNotification' [ 907.838955] ndiswrapper: driver bcmwlhigh5 (Netgear,11/05/2009, 5.60.180.11) loaded [ 908.137940] wlan0: ethernet device e0:91:f5:56:e1:0d using NDIS driver: bcmwlhigh5, version: 0x53cb40b, NDIS version: 0x501, vendor: 'NDIS Network Adapter', 0846:9020.F.conf [ 908.141879] wlan0: encryption modes supported: WEP; TKIP with WPA, WPA2, WPA2PSK; AES/CCMP with WPA, WPA2, WPA2PSK [ 908.143048] usbcore: registered new interface driver ndiswrapper [ 908.178826] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 994.015088] usbcore: deregistering interface driver ndiswrapper [ 994.028892] ndiswrapper: device wlan0 removed [ 994.080558] ndiswrapper version 1.56 loaded (smp=yes, preempt=no) [ 994.374929] ndiswrapper: driver bcmn43xx32 (,08/26/2009, 5.10.79.30) loaded [ 994.404366] ndiswrapper (mp_init:219): couldn't initialize device: C0000001 [ 994.404384] ndiswrapper (pnp_start_device:435): Windows driver couldn't initialize the device (C0000001) [ 994.404666] ndiswrapper (mp_halt:262): device e05b6480 is not initialized - not halting [ 994.404671] ndiswrapper: device eth%d removed [ 994.404709] ndiswrapper: probe of 1-5:1.0 failed with error -22 [ 994.406318] usbcore: registered new interface driver ndiswrapper [ 2302.058692] wlan0: ethernet device e0:91:f5:56:e1:0d using NDIS driver: bcmn43xx32, version: 0x50a4f1e, NDIS version: 0x501, vendor: 'NDIS Network Adapter', 0846:9020.F.conf [ 2302.060882] wlan0: encryption modes supported: WEP; TKIP with WPA, WPA2, WPA2PSK; AES/CCMP with WPA, WPA2, WPA2PSK [ 2302.113838] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 2354.611318] ndiswrapper (iw_set_auth:1602): invalid cmd 12 [ 2355.268902] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 2365.400023] wlan0: no IPv6 routers present [ 2779.226096] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 2779.422343] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 2797.574474] ndiswrapper (iw_set_auth:1602): invalid cmd 12 [ 2802.607937] ndiswrapper (iw_set_auth:1602): invalid cmd 12 [ 2803.261315] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 2813.952028] wlan0: no IPv6 routers present [ 3135.738431] ndiswrapper (iw_set_auth:1602): invalid cmd 12 [ 3139.180963] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3139.816561] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3163.229872] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3163.444542] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3163.758297] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3163.860684] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3205.118732] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3205.139553] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3205.300542] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3353.341402] ndiswrapper (iw_set_auth:1602): invalid cmd 12 [ 3363.266399] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3363.505475] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3363.506619] ndiswrapper (set_iw_auth_mode:601): setting auth mode to 5 failed (00010003) [ 3363.717203] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3363.779206] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3405.206152] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3405.248624] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3405.577664] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3438.852457] ndiswrapper (iw_set_auth:1602): invalid cmd 12 [ 3438.908573] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3568.282995] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3568.325237] ndiswrapper (set_iw_auth_mode:601): setting auth mode to 5 failed (00010003) [ 3568.460716] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3568.461763] ndiswrapper (set_iw_auth_mode:601): setting auth mode to 5 failed (00010003) [ 3568.809776] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3568.880641] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3610.122848] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3610.148328] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3610.324502] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 3636.088798] ndiswrapper (iw_set_auth:1602): invalid cmd 12 [ 3636.712186] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 3647.600040] wlan0: no IPv6 routers present I am using the system now with the router security turned off. When I submit this, I will turn security back on.

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