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• Connection manager detects network but won't connect

  - by Carson Chittom

  I've just installed 12.04 on my home desktop. Because of where it's located, in order not to have my children tripping over cat5 cable, I've got a cheap 802.11n USB device plugged in, which uses a Realtek 8192CU chip. The house wifi is protected with WPA2. Ubuntu's Network Manager detects the network, but connecting to it just times out and asks for the password again. I'm sure I'm using the correct password. No other computers on the house network are having any difficulty. This device previously worked correctly with both Windows 7 and OpenBSD in the same machine. The linux-firmware package is installed (from the disc) at version 1.79, and /lib/firmware/rtlwifi/rtl8192cufw.bin is present. dmesg|grep rtl only shows the "loading firmware" message. I've tried Google, but I apparently can't find the right set of words to plug in, because I haven't found anything related (lots of "doesn't work at all," but nothing matching my circumstances). Any help would be greatly appreciated.

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• Retrofit Certification

  - by Bill Evjen

  Impact of Regulations on Cabin Systems Installation John Courtright, Structural Integrity Engineering There are “heightened” FAA attention to technical issues related to IFE and Wi-Fi Systems Installations The Aging Aircraft Safety Rule – EWIS & Damage Tolerance Analysis The Challenge: Maximize Flight Safety While Minimizing Costs Issue Papers & Testing, Testing, Testing The role of Airworthiness Directives (ADs) on the design of many IFE systems and all antenna systems. Goal is safety AND cost-effective maintenance intervals and inspection techniques The STC Process Briefly Stated Type Certifications (TC) Supplemental Type Certifications (STC) The STC Process Project Specific Certification Plan (PSCP) Managed by FAA Aircraft Certification Office (ACO) Type of Project (Electrical/Mechanical Systems or Structural) Specific Type of Aircraft Being Modified Schedule Design & Installation Location What does the STC Plan (PSCP) Cover? System Description – What does the system do? System qualification – Are the components qualified? Certification requirements – What FARs are applicable? Installation detail – what is being modified? Prototype installation – What is new? Functional hazard Assessment (FHA) – is it safe? EZAP-EWIS Requirements – Any aging aircraft issues? Certification Data – How is compliance achieved? Delegation and FAA involvement – Who is doing the work? Proposed certification schedule – When is the installation? Certification documentation – What the FAA Expects to see Cabin Systems Certification Concerns In addition to meeting the requirements for DO-160, Cabin System Certification needs to address issues related to: Power management: Generally, IFE and Wi-Fi Systems are classified as “Non-Essential Equipment” from a certification viewpoint. Connected to “non-essential” power buses Must be able to shed IFE & Wi-Fi Systems in a smoke/fire event or Other electrical emergency (FAA Policy 00-111-160) FAA is more relaxed with testing wi-fi. It used to be that you had to have 150 seats with laptops running wi-fi, but now it is down to around 50. Aging aircraft concerns – electrical and structural Issue papers addressing technical concerns involving: “Structural Certification Criteria for Large Antenna Installations” Antenna “Vibration/Buffeting Compliance Criteria” DO-160 : Environmental Test Procedures DO 160 – “Environmental Conditions and Test Procedures for Airborne Equipment”, Issued by RTCA Provides guidance to equipment manufacturers as to testing requirements Temperature: –40C to +55C Vibration and Shock Contaminant susceptibility – fluids and dust Electro-magnetic Interference Cabin systems are generally classified as “non-essential” Swissair 111 crashed (in part) due to non-standard wiring practices. EWIS Design Implications Installation design must take EWIS Requirements into account. This generally means: Aircraft surveys are needed to identify proper wire routing Ensure existing wiring diagrams are correct Identify primary/Secondary/Tertiary bus locations Verify proper separation of wire bundles exist Required separation from fuel quantity indicator system (FQIS) to prevent fuel tang ignition Enhanced Zonal Analysis Procedure (EZAP) Performed EZAP was developed by the Aging Transport Systems Rulemaking Advisory Committee (ATSRAC) EZAP is the method for analyzing airplane zones with an emphasis on evaluating wiring systems and the existence of combustibles  in the cabin. Certification Considerations for Wi-Fi Systems Electrical – All existing DO 160 testing required Issue papers required Onboard EMI testing – any interference with aircraft systems when multiple wi-fi users are logged on? Vibration/Buffeting compliance criteria – what is the effect of the antenna on aircraft flight characteristics? Structural certification criteria – what are the stress loads on the aircraft at the antenna location and what is the impact on maintenance inspection criteria for the airline? Damage tolerance analysis required Goal – minimize maintenance inspection intervals

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• Configuring bind9 views so I can have DNS services?

  - by Cesar Downs

  I want to configure bind9 using the Ubuntu terminal to have the DNS resolve a local name, not a domain name. For example, if I type in Nicole it will resolve my IP address in a local network fashion. How can I do this, step-by-step please? I've already installed bind9 using: sudo apt-get install bind9 It's fully installed now, I just need some help configuring. Should I be using local views? I am going to do the connection with two laptops probably connected to each other by Ethernet cable or WIFI. One of them is running Ubuntu and the other is running Windows. I not sure if that's part of the problem.

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• Black bars around screen? Catalyst Control Center problem?

  - by Josh B

  I just newly install Ubuntu 12.04, and im running an HDMI cable from my computer to my ASUS monitor. Now in Windows 7, i did not have these black bar issues running at 1080p. But now in Ubuntu, i have these black bars. I installed the ATI Catalyst Control Center, and I went to go in to fix the scaling but it is grayed out. As you can see, even with the override box checked i still can not set the scaling. The monitor was set to a lower resolution to hopefully fix it but that did not work either. Does anyone know how to fix this? Thanks.

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• trying to setup wireless

  - by JohnMerlino

  I'm trying to set up wireless on vostro 1520 dell laptop, with latest Ubuntu install. Here's the output of some of the commands that I was told to run: lshw -C network viggy@ubuntu:~$ lshw -C network WARNING: you should run this program as super-user. *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:08:00.0 logical name: eth0 version: 03 serial: 00:24:e8:da:84:25 size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168d-1.fw ip=192.168.2.6 latency=0 multicast=yes port=MII speed=100Mbit/s resources: irq:47 ioport:3000(size=256) memory:f6004000-f6004fff memory:f6000000-f6003fff memory:f6020000-f603ffff *-network description: Network controller product: BCM4312 802.11b/g LP-PHY vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:0e:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: bus_master cap_list configuration: driver=b43-pci-bridge latency=0 resources: irq:18 memory:fa000000-fa003fff *-network DISABLED description: Wireless interface physical id: 1 logical name: wlan0 serial: 0c:60:76:05:ee:74 capabilities: ethernet physical wireless configuration: broadcast=yes driver=b43 driverversion=3.2.0-29-generic firmware=N/A multicast=yes wireless=IEEE 802.11bg lspci 00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07) 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03) 00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03) 00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03) 00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03) 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03) 00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03) 00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 (rev 03) 00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 (rev 03) 00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03) 00:1c.5 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 6 (rev 03) 00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03) 00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03) 00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03) 00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93) 00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03) 00:1f.2 SATA controller: Intel Corporation 82801IBM/IEM (ICH9M/ICH9M-E) 4 port SATA Controller [AHCI mode] (rev 03) 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03) 08:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 03) 0e:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01) 1a:00.0 FireWire (IEEE 1394): O2 Micro, Inc. Device 10f7 (rev 01) 1a:00.1 SD Host controller: O2 Micro, Inc. Device 8120 (rev 01) 1a:00.2 Mass storage controller: O2 Micro, Inc. Device 8130 (rev 01) iwconfig lo no wireless extensions. wlan0 IEEE 802.11bg ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:on eth0 no wireless extensions. At this point in time, I don't have wireless.

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• Need help with chronic slow wifi connections

  - by mgeorge

  I have had chronic slow wifi connections on several networks for a while now, I think since my update to 12.04 when it came out. I have tried many of the tips and tricks already available out there in the forums with no luck (wicd, etc..). I want to see if any of you experts out there might be able to help me, and thanks in advance!! I use ubuntu 12.04 on a lenovo ideapad y650, and most networks I connect to lose the connection frequently or do not give appropriate bandwidth when I am connected. Here are some results of the usual go-to system checks: cat /etc/lsb-release; uname -a: DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.2 LTS" Linux mgeorge-lenovo 3.2.0-48-generic-pae #74-Ubuntu SMP Thu Jun 6 20:05:01 UTC 2013 i686 i686 i386 GNU/Linux lspci -nnk | grep -iA2 net: 04:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection [8086:4237] Subsystem: Intel Corporation WiFi Link 5100 AGN [8086:1211] Kernel driver in use: iwlwifi -- 08:00.0 Ethernet controller [0200]: Broadcom Corporation NetLink BCM5784M Gigabit Ethernet PCIe [14e4:1698] (rev 10) Subsystem: Lenovo Device [17aa:3878] Kernel driver in use: tg3 lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 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 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 002: ID 090c:7371 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) iwconfig: lo no wireless extensions. wlan0 IEEE 802.11abgn ESSID:"Dyno" Mode:Managed Frequency:2.412 GHz Access Point: CC:5D:4E:46:0A:93 Bit Rate=150 Mb/s Tx-Power=15 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=70/70 Signal level=-40 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:948 Invalid misc:728 Missed beacon:0 eth0 no wireless extensions. rfkill list all: 0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: ideapad_bluetooth: Bluetooth Soft blocked: yes Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: no lsmod: Module Size Used by uvcvideo 67203 0 videodev 86588 1 uvcvideo nouveau 712674 3 ttm 65344 1 nouveau drm_kms_helper 45466 1 nouveau drm 197641 5 nouveau,ttm,drm_kms_helper i2c_algo_bit 13199 1 nouveau mxm_wmi 12893 1 nouveau wmi 18744 1 mxm_wmi joydev 17393 0 arc4 12473 2 snd_hda_codec_realtek 174313 1 snd_hda_codec_hdmi 31775 1 snd_hda_intel 32719 3 snd_hda_codec 109562 3 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel snd_hwdep 13276 1 snd_hda_codec snd_pcm 80916 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec snd_seq_midi 13132 0 snd_rawmidi 25424 1 snd_seq_midi snd_seq_midi_event 14475 1 snd_seq_midi psmouse 86520 0 snd_seq 51592 2 snd_seq_midi,snd_seq_midi_event serio_raw 13027 0 snd_timer 28931 2 snd_pcm,snd_seq snd_seq_device 14172 3 snd_seq_midi,snd_rawmidi,snd_seq iwlwifi 366509 0 mac80211 436493 1 iwlwifi snd 62218 16 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,sn d_rawmidi,snd_seq,snd_timer,snd_seq_device ideapad_laptop 17890 0 sparse_keymap 13658 1 ideapad_laptop cfg80211 178877 2 iwlwifi,mac80211 ir_lirc_codec 12739 0 lirc_dev 18700 1 ir_lirc_codec soundcore 14635 1 snd snd_page_alloc 14108 2 snd_hda_intel,snd_pcm ir_mce_kbd_decoder 12681 0 ir_sony_decoder 12462 0 ir_jvc_decoder 12459 0 ir_rc6_decoder 12459 0 ir_rc5_decoder 12459 0 rc_rc6_mce 12454 0 ir_nec_decoder 12459 0 video 19115 1 nouveau ene_ir 18019 0 rc_core 21263 10 ir_lirc_codec,ir_mce_kbd_decoder,ir_sony_decoder,ir_jvc_decoder,ir_rc6_decoder,ir_rc5_decoder,rc_rc6_mce,ir_nec_decoder,ene_ir bnep 17830 2 rfcomm 38139 0 parport_pc 32114 0 bluetooth 158479 10 bnep,rfcomm ppdev 12849 0 binfmt_misc 17292 1 mac_hid 13077 0 lp 17455 0 parport 40930 3 parport_pc,ppdev,lp tg3 141414 0 nm-tool: NetworkManager Tool State: connected (global) - Device: eth0 ----------------------------------------------------------------- Type: Wired Driver: tg3 State: unavailable Default: no HW Address: 00:23:5A:CC:85:BD Capabilities: Carrier Detect: yes Wired Properties Carrier: off - Device: wlan0 [Dyno] -------------------------------------------------------- Type: 802.11 WiFi Driver: iwlwifi State: connected Default: yes HW Address: 00:22:FA:D0:94:CA Capabilities: Speed: 150 Mb/s Wireless Properties WEP Encryption: yes WPA Encryption: yes WPA2 Encryption: yes Wireless Access Points (* = current AP) *Dyno: Infra, CC:5D:4E:46:0A:93, Freq 2412 MHz, Rate 54 Mb/s, Strength 81 WPA2 IPv4 Settings: Address: 10.0.0.43 Prefix: 24 (255.255.255.0) Gateway: 10.0.0.1 DNS: 10.0.0.1

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• Unable to Mount Seagate Array from Iomega

  - by GE Cardiff

  I am new to Ubuntu so please be kind! My (Windows based) Iomega Storcentre ix2-200 stopped working, with all my business data upon it. Iomega helpfully told me that I should get Fedora, remove the Seagate hard drives and recover the information by connecting via a USB / SATA cable. First I could not get Fedora to load (due to it needing an Internet connection before loading complete) so I got Ubuntu - much easier to load. Software seems fine, and in "Computer" there is an "Array" icon - this is clearly the Seagate hard drive I have connected. It will not, however, Mount. "Unable to mount location, can't mount file". Any help gratefully received! As a slight aside, I can't seem to find "terminal" in this version of Ubuntu?

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• Install a Mirror without downloading all packages from official repository

  - by Sam

  I first gonna explain the situation: I have a Laptop which is connected to a wifi connection, and a Desktop which can not be connected to Internet (the modem is too far from it), and i want to install some software on the last one. (The two PCs are running Ubuntu 12.04, and are connected with an Ethernet cable) I've already searched for a solution, but all I've found was the use of some softwares that should have been already installed on the "Internet-less PC". ( Keryx, APTonCD ... ) What I want to do is to create a mirror in my laptop which contain the packages i have in this one ( situated in /var/cache/apt/archive ) and i don't want to download all the packages from the official repository, I actually don't need them. Can someone tell me if it is possible to do that ? Thanks,

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• choppy sound with random popping 13.04

  - by Goddard

  I was hoping some one could help me figure out why my audio is popping randomly. I just got some new speakers and it was popping previously, but I was using monitor speakers so it wasn't really noticeable. Now I have some Bose speakers hooked up via an analog cable. It is not the speakers because my Android phone plays audio fine. When I open the sound settings window the popping happens at exactly the same time a third sound device is displayed very quickly and then disappears. This keeps happening at about 30 second intervals. Any help is appreciate. If you need more details just let me know how to get them.

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• Ethernet not working on a Dell Inspiron 14z

  - by Izabela

  When I plug in a network cable, it is not recognized. The WI-FI is working properly, though. ifconfig output: 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:1645 errors:0 dropped:0 overruns:0 frame:0 TX packets:1645 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:206840 (206.8 KB) TX bytes:206840 (206.8 KB) wlan0 Link encap:Ethernet HWaddr e0:06:e6:de:57:e7 inet addr:150.164.201.145 Bcast:150.164.201.255 Mask:255.255.255.0 inet6 addr: 2001:12f0:601:a921:98a2:3dd:3be8:c483/64 Scope:Global inet6 addr: 2001:12f0:601:a921:e206:e6ff:fede:57e7/64 Scope:Global inet6 addr: fe80::e206:e6ff:fede:57e7/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:23892 errors:0 dropped:0 overruns:0 frame:0 TX packets:14676 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:30123226 (30.1 MB) TX bytes:2189050 (2.1 MB)

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• Install a Mirror without downloading all the packages in the official repository

  - by Sam

  I first gonna explain the situation : ( The two PCs are running Ubuntu 12.04 ) I have a Laptop which is connected to a wifi connection, and a Desktop which can not be connected to Internet ( the modem is too far from it ), and i want to install some software to the last one. ( the two PCs are connected with an Ethernet cable ) I've already searched for a solution, but all i found was the use of some softwares that should have been already installed on the "Internet-less PC". ( Keryx, APTonCD ... ) What I want to do is to create a mirror in my laptop which contain the packages i have in this one ( situated in /var/cache/apt/archive ) and i don't want to download all the packages from the official repository, I don't need them. Can someone tell me if this is possible ? Thank you.

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• Slow wifi after upgrading kubuntu 13.04 to 13.10

  - by RedCow22

  After upgrading from kubuntu 13.04 to 13.10 suddenly my wifi connection is very slow. Ping times are varying from 200 up to 1500 ms to www.google.nl. When I connect my ethernet cable they drop to normal times like 8 or 9 ms. Anyone experiencing the same problem or know a solution I can try? During the upgrade process a few times they asked whether I wanted to keep or replace some kind of configuration file. I'm not sure anymore which file it was, but maybe this has something to do with it. Before the upgrade both wired and wireless connection worked perfect.

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• Ubuntu 12.04 lts cannot build a wireless connection

  - by Jupiterr

  Hi i just got a new notebook and it came with ubuntu 12.04 lts operation system. But it can't make a wireless connection. I plugged in my Ethernet cable and i can reach the Internet with it but I need wireless connection so much. This is the first time I'm using ubuntu so i'm really confused. I can see wireless networks (including mine) but i cannot use them. It seems like it's establishing a connection but soon it gives up. Please help, I don't have much time for this and I do not have any idea about operation systems.

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• Gaming on Cloud

  - by technomad

  Sometimes I wonder the pundits of cloud computing are way to consumed with the enterprise applications. With all the CAPEX / OPEX, ROI-talk taking the center stage, an opportunity to affect masses directly is getting overlooked. I am a self proclaimed die hard gamer. I come from the generation of gamers who started their journey in DOS games like Wolfenstein 3D and Allan Border Cricket (the latter is still a favorite pastime). In the late 90s, a revolution called accelerated graphics started in DirectX and OpenGL. Games got more advanced. Likes of Quake III and Unreal Tournament became the crown jewels of the industry. But with all these advancements, there started a race. A race of GFX giants ATI and NVIDIA to beat each other for better frame and image quality. Revisions to the graphics chipsets became frequent. Games became eye candies but at the cost of more GPU power / memory. Every eagerly awaited title started demanding more muscle power in graphics and PC hardware. Latest games and all the liquid smooth frame rates became the territory of the once with deep pockets who could spend lavishly on latest hardware. Enthusiasts like yours truly, who couldn’t afford this route, started exploring over-clocking, optimized hardware cooling... etc. to pursue the passion. Ever rising cost of hardware requirements lead to rampant piracy of PC games. Gamers were willing to spend on the latest titles, but the ones with tight budget prefer hardware upgrades against a legal copy of the game. It was also fueled by emergence of the P2P file sharing networks. Then came the era of Xbox and PS3s. It solved the major issue of hardware standardization and provided an alternative to ever increasing hardware costs. I have always admired these consoles, but being born and brought up in a keyboard/mouse environment, I still find it difficult to play first person shooters with a gamepad. I leave the topic of PC v/s Consol gaming for another day, but the bottom line is… PC gamers deserve an equally democratized solution. This is where I think Cloud Computing can come to rescue. It can minimize hardware requirements. Virtually end the software piracy and rationalize costs for gamers. Subscription based models like pay-as-you-play. In game rewards, like extended subscription credits for exceptional gamers (oh yes, I have beaten Xaero on nightmare in Quake III, time and again!) Easy deployment for patches and fixes. Better game AI. The list goes on and on… Fortunately, companies like OnLive are thinking in the same direction. Their gaming service is all set to launch on 17th June 2010 in E3 2010 expo in L.A. I wish them all the luck. I hope they will start a trend which will bring the smiles back on the face of budget gamers with the help of cloud computing.

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• Randomely loosing wireless connexion with Cubuntu 12.04

  - by statquant

  I am presently experiencing random disconnections from my wireless network. It looks like it is more and more frequent (however I have not seen any clear pattern). This is killing me... Here is some information that should help (from ubuntu forums). Thanks for reading Machine : Acer Aspire S3 statquant@euclide:~$ lsb_release -d Description: Ubuntu 12.04.1 LTS statquant@euclide:~$ uname -mr 3.2.0-33-generic x86_64 statquant@euclide:~$ 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... statquant@euclide:~$ lspci 02:00.0 Network controller: Atheros Communications Inc. AR9485 Wireless Network Adapter (rev 01) statquant@euclide:~$ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 004: ID 064e:c321 Suyin Corp. Bus 002 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. statquant@euclide:~$ ifconfig wlan0 Link encap:Ethernet HWaddr 74:de:2b:dd:c4:78 inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fe80::76de:2bff:fedd:c478/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:913 errors:0 dropped:0 overruns:0 frame:0 TX packets:802 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:873218 (873.2 KB) TX bytes:125826 (125.8 KB) statquant@euclide:~$ iwconfig wlan0 IEEE 802.11bgn ESSID:"Bbox-D646D1" Mode:Managed Frequency:2.437 GHz Access Point: 00:19:70:80:01:6C Bit Rate=65 Mb/s Tx-Power=16 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:on Link Quality=56/70 Signal level=-54 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:71 Missed beacon:0 statquant@euclide:~$ dmesg | grep "wlan" [ 17.495866] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 17.498950] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 20.072015] wlan0: authenticate with 00:19:70:80:01:6c (try 1) [ 20.269853] wlan0: authenticate with 00:19:70:80:01:6c (try 2) [ 20.272386] wlan0: authenticated [ 20.298682] wlan0: associate with 00:19:70:80:01:6c (try 1) [ 20.302321] wlan0: RX AssocResp from 00:19:70:80:01:6c (capab=0x431 status=0 aid=1) [ 20.302325] wlan0: associated [ 20.307307] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 30.402292] wlan0: no IPv6 routers present statquant@euclide:~$ sudo lshw -C network [sudo] password for statquant: *-network description: Wireless interface product: AR9485 Wireless Network Adapter vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:02:00.0 logical name: wlan0 version: 01 serial: 74:de:2b:dd:c4:78 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless configuration: broadcast=yes driver=ath9k driverversion=3.2.0-33-generic firmware=N/A ip=192.168.1.3 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn resources: irq:17 memory:c0400000-c047ffff memory:afb00000-afb0ffff statquant@euclide:~$ iwlist scan wlan0 Scan completed : Cell 01 - Address: 00:19:70:80:01:6C Channel:6 Frequency:2.437 GHz (Channel 6) Quality=56/70 Signal level=-54 dBm Encryption key:on ESSID:"Bbox-D646D1" 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=000000125fb152bb Extra: Last beacon: 40020ms ago IE: Unknown: 000B42626F782D443634364431 IE: Unknown: 010882848B960C121824 IE: Unknown: 030106 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: 2A0100 IE: Unknown: 32043048606C IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00 IE: Unknown: 2D1A4C101BFF00000000000000000000000000000000000000000000 IE: Unknown: 3D1606080800000000000000000000000000000000000000 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD0A00037F04010000000000 And... finally, please note that I did the following (after looking for fixes of similar problems), but unfortunately it did not work sudo modprobe -r iwlwifi sudo modprobe iwlwifi 11n_disable=1

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• "Operating system not found" after upgrading to 13.10

  - by Hongbo Zhu

  I own a Thinkpad X121e and I upgraded its Ubuntu from 13.04 64bit to 13.10 64bit using the Update Manager. When the upgrade process suggested to restart the system, I restarted the computer and now it says "Operating system not found" after a very brief splash screen. The splash screen says something like (too brief to see everything): Intel UNDI, PXE-2.0 ... For Atheros ethernet Controller ... Check cable connection! PXE-MOF: Exiting INTEL PXE ROM I prepared a startup USB disk using Ubuntu 13.10. I tried the startup USB and it works very well on other computers. So I changed the booting order of X121e and tried all three USB slots, all said "Operating System not found" without any splash screen. I also tried using startup USB with 12.04 LTS. Same results. I do not really want to reinstall the system now. Any hints on how to proceed?

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• Manually activate Network Manager Applet

  - by diosney

  The issue I've is that when I connect via modem through gnome-ppp the Network Manager Applet don't detect a connection and don't let me use the configured VPNs via its interface. How Can I manually activate the Network Manager Applet? What I need is to enable the Network Manager apple in order to use the "VPN Connection" section of the GUI. When I don't have an ethernet cable connected and I connect through a modem the Network Manager applet doesn't enables itself, it is like if don't recognizes the ppp0 interface. My question is: there is a way to force the Network Manager GUI indicator to make it "alive"/"up"/"enabled" in order to use the "VPN Connections"section? Thanks in advance.

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• Browser Alert -- cannot download links using Internet Explorer

  - by user554629

  Internet Explorer ( ie8, ie9 ) is mangling downloads from this blog. Links to files on this blog ( eg., dirstats ) are typically downloaded using browser:  R-click, SaveAs This works fine on Chrome, Firefox and Safari.  Internet Explorer is not handling the html reference to the file, and adds .html to the filename.   The file will be saved in an incorrect format.   Relatively harmless for a script file that is plain text, but binary files like obiaix.tar.gz , will be corrupted, and there is nothing you can do about it. "Don't get corrupted, get rid of cable  Internet Explorer, use firefox"  ( sorry, US TV advert reference ) The useful part of the compressed tar file is that you don't have to worry about Windows line-end characters corrupting the scripts, and you don't have to change execution permissions to get the scripts to work. dos2unix dirstats   chmod +x dirstats

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• Commands to run when Connecting HDMI

  - by yurividal

  Everytime I connect my pc to my tv using my HDMI cable (to watch my movies), I have to manually go to: 1- Monitors, to select "mirror" screen to HDMI 2- Sound, to select the HDMI as default sound output 3- Screen Off an Lock, to avoid screen locking while watching a video. Is there a way I can automate this? Or at least write a script with commands that will do this. (I could manually run a script every time I connect my HDMI, and then run annother one to undo the changes later) How can I do these actions from a Command Line?

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• Trouble using Canon MG 2440 printer in UBUNTU 14

  - by user264795

  I connected usb serial cable from printer to computer. The drivers has been installed automatically. I printed the test page - it was printed. I tryed to print an image - it stays with status - processing... and dont work. Test page also cant be printed. What a problem? I dont know exactly, but I think I use "CUPS" manager and drivers... now status Waiting for printer to become available. And do not print.

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• Is it possible to create a virtual drive and share via USB?

  - by Matthew

  My question is kind of hard to follow, but I'm asking if it's possible to make a virtual flash drive and sync it to another device with a USB to USB cable? To make things more clear, think of a typical flash drive. You connect it to a laptop and it shows up as a removable disk. Is it possible to make a computer a host of a "Virtual Drive" that would be connected to a USB cord on one end, and the other end connecting to another device such as a Xbox 360, or another computer.

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• 5.1 surround sound for 12.04

  - by iwhorl

  I am very new to Ubuntu and linux as I have used windows only until yesterday. I am attempting to send my audio signal to my pioneer reciever using a single digital optical cable which is plugged into my M2N Sli Deluxe motherboard. I am sending video with a Geforce 8600gt video card through HDMI. That card does not support audio through HDMI. The only thing I have got to work so far is my left channel speaker acts as a stereo left and my sub woofer is trying to act as a stereo right. I was able to achieve this through altering the alsamixer settings. Can anyone point me in the right direction on this?

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• How to connect to the internet via command line or graphical utility given I can't click at the top of the screen?

  - by Ben

  My Ubuntu 12.04 installation has an input problem resulting preventing me from clicking near the top of the screen. That is, there is an unclickable area, circa 60 pixels high and stretching all the way across the screen. I will ask about this in a later question. For now, I would just like to be able to connect to the internet, given this limitation. I am able to access the network connections application by hitting the super key and typing "network connections". There is a LAN and a wireless network available. The network icon in the bar at the top of the screen shows an empty wedge, which I suppose means that wireless is off. I've attached the cable for the Ethernet connection, but it does not seem to have connected automatically. How can I figure out what's going on? (I'll happily edit in the output of any relevant terminal commands.) Thank you.

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• How do I get my RTL8192ce based wireless device working properly?

  - by JonnyTruelove

  I am using the rtl8192cu chipset (on a Belkin wireless USB adapter N300) combined with 64 bit architecture and the 3.8 kernel. Some of you may know that this doesn't work. I tried this fix - RTL8188CU USB Network Adaptor on ubuntu 13.04 and now my internet is super slow. I am totally new to Ubuntu and I am concerned I do not have the right driver. The "stock" driver was the RTL8192cu, but it didn't connect 99% of the time and if it did the upload speed was higher than the download. Right now I am connecting through my laptop with a crossover cable, so my internet connection is just fine in my apartment. Relevant output from lsusb is here: Bus 002 Device 002: ID 050d:2103 Belkin Components F7D2102 802.11n N300 Micro Wireless Adapter v3000 [Realtek RTL8192CU] (bonus question: is that [050d:2103] the actual physical address straight from the hardware? Or does it change when I put different drivers on it? I am concerned I do not have the right driver)

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• Wireless connects but can not connect to internet

  - by Dan

  I'm using Ubuntu 11.04 and I'm having trouble connecting to internet via wifi. Ethernet cable works though. So when I log on it auto logs on to my wifi connection at home but after about a minute or so it gives me a popup: network disabled something about .local domain and something about Avahi network (sorry if you need more on what the popup says I will reboot and look at it again). I am using Atheros wireless card. My laptop is Asus G73SW and on the forum at notebookreview.com G73SW Owner's Lounge people said they had no problem with connecting via wifi from install. Please help me because I would love to keep using this beautiful OS.

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