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• My laptop can not access internet after setup bridge with wired NIC and wireless NIC

  - by Victor S

  I setup a bridge using wired NIC and wireless NIC in order to make wireless NIC as a Wi-Fi AP to share wired internet access, after setup successfully, the Wi-Fi AP works as my expectation, but my laptop can not access internet, please give me a hand. Thanks. My hostapd.conf $ cat hostapd.conf interface=wlan0 bridge=br0 driver=nl80211 ssid=myAP hw_mode=g channel=11 dtim_period=1 rts_threshold=2347 fragm_threshold=2346 macaddr_acl=0 auth_algs=3 ieee80211n=0 wpa=3 wpa_passphrase=PassWord wpa_key_mgmt=WPA-PSK wpa_pairwise=TKIP rsn_pairwise=CCMP Setup steps: $ sudo killall hostapd hostapd: no process found $ sudo hostapd -B hostapd.conf Configuration file: hostapd.conf Using interface wlan0 with hwaddr 00:26:5e:e8:4f:8e and ssid 'myAP' $ sudo brctl addbr br0 device br0 already exists; can't create bridge with the same name $ sudo ifconfig eth0 0.0.0.0 up $ sudo ifconfig wlan0 0.0.0.0 up $ sudo brctl addif br0 eth0 $ sudo brctl addif br0 wlan0 device wlan0 is already a member of a bridge; can't enslave it to bridge br0. $ sudo ifconfig br0 192.168.1.110 netmask 255.255.255.0 $ sudo route add default gw 192.168.1.1

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• Best way to start in C# and Raknet?

  - by cad

  I am trying to learn Raknet from C# and I found it extremely confusing. Raknet tutorial seems to work easy and nice in C++. I have already make some chat server code from tutorial. But I am looking to do something similar in C# and I find a mess. - Seems that I need to compile raknet using SWIG to have like an interface? - Also I have found a project called raknetdotnet but seems abandoned..(http://code.google.com/p/raknetdotnet/) So my main question is what is the best way to code in C# using raknet? As secondary questions: Anyone can recomend me good tutorial in raknet AND c#? Is there any sample C# code that I can download? I have readed lot of pages but I didn't get anything clear so I hope someone that has lived this before can help me. Thanks PD: Maybe raknet is obsolete (I find a lot of code and posts from 2007) and there is a better tool to achieve what I want. (I am interested in making a game with a dedicated server.)

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• How do i find out which program is using internet and how much?

  - by Anwar Shah

  Sometimes there are unusual Internet activity in my Computer. Modem's lights are always blinking and When I open system monitor, I see there some unknown program is using my precious Internet with 64KB/S (I have 512kbps connection). Still I am in a firefox session with only one tab opened, and the page in already loaded and there is no indication of busy sign in the page (that rotating orange circle). In that situation I unplug my modem and reconnect it again. After several times doing this, that unusual activity stops. It annoys me very much. How can I find out the process which is using the Internet?. How much they are using? How can I kill it? A graphical solution will be better.

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• More information about worldwide nodes how to get?

  - by Aubergine

  The context: Six hosts across worldwide were traced over week from UK. Ten thousands of lines to be parsed and analysed. And then I try to find any clue of geographical information and path - from where it jumps where. Then after Austria or Germany(each time different) I have mysterious 62.208.72.6 which in GEO LOC gives me Falklands Islands (which is where my target host is by the way, but before target host I still have 5 other nodes) Then I do whois for this 62.208.72.6 route: 62.208.0.0/16 descr: DE-ECRC-62-208-0-0 origin: AS1273 mnt-by: CW-EUROPE-GSOC source: RIPE # Filtered Why it says Europe now? How to understand this enigma code? I want to confirm more or less whether this is in europe or in falkland islands? But it can't be in FK yet as after next two hosts I get New York? Could you also tell me what does this CW-EUROPE-GSOC abbreviation means. (To preserve your sanity better not google, unless you already know it :-D) And the actual whois for the destination/target host, which completely destroys my head: route: 195.248.193.0/24 descr: HORIZON descr: Cable and Wireless Falkland Islands descr: Via Cable and Wireless Communications UK origin: AS5551 mnt-by: AS5551-MNT source: RIPE # Filtered How is it Via Cable and Wireless Communications UK if two nodes before I was in New York? Thank you guys,

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• dsl modem problem in ubuntu 11.10

  - by Misterious

  Earlier I used Windows 7 and the modem used to work absolutely fine. Even when it disconnected it used to reconnect automatically without any trouble. But then I installed Ubuntu 11.10 on dual boot and set up the modem connection properly but the modem now disconnects much more frequently(eariler it disconnected once in 5 hours or so and after ubuntu in 5 minutes!!). Also once disconnected it does not reconnect even when i have checked the connect automatically button. I have to restart the system to reconnect it. Also then I clean installed windows and modem works perfectly fine again. What is the reason for this and how can I solve this? I really want to use ubuntu but due to this problem I cant. Sorry for my poor English.

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• How to Find Your Computer’s Private & Public IP Addresses

  - by Chris Hoffman

  An IP address (or Internet Protocol address) identifies each networked computer and device on a network. When computers communicate with each other on the Internet or a local network, they send information to each other’s IP addresses. Your computer likely has public and private IP addresses. You’ll need the IP address if you’re hosting server software – the client computers will need your computer’s IP address to connect to it. How to Make Your Laptop Choose a Wired Connection Instead of Wireless HTG Explains: What Is Two-Factor Authentication and Should I Be Using It? HTG Explains: What Is Windows RT and What Does It Mean To Me?

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• What to send to server in real time FPS game?

  - by syloc

  What is the right way to tell the position of our local player to the server? Some documents say that it is better to send the inputs whenever they are produced. And some documents say the client sends its position in a fixed interval. With the sending the inputs approach: What should I do if the player is holding down the direction keys? It means I need to send a package to the server in every frame. Isn't it too much? And there is also the rotation of the player from the mouse input. Here is an example: http://www.gabrielgambetta.com/fpm_live.html What about sending the position in fixed interval approach. It sends too few messages to the server. But it also reduces responsiveness. So which way is better?

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• Event-based server-gameloop in a server based game

  - by Chris

  I know that this site is full of questions about fixed gameloops and variable gameloops and different types of threading. But I coult find barely nothing that is related to server loops. The server has no screen to draw on. It could just run as fast as possible, but of course this makes no sense. But should it really use single "ticks" and send the updates periodically after each tick and wait for the next "tick" to update its state. Is it applicable to replace the gameloop by multilpe events? Suchs as incoming network traffic or timers? I often heared that a gameloop should be determistic, but does it really matter? For instance, when you play a shooter game against humand players and/or AI you proably would never be ably to repeat the same input twice. Is it a good idea to lose determistic behavior if it is nearly impossible to reprodruce the same input twice? So this question is more or less about whether an strictly event-based gameloop is adviseable or not and what are the pros and cons. I could imagene that an event-based gameloop could perform much faster and smoother, since you don't have bug CPU-spikes during the beginning of a new "tick". The fact that I could not find much about an event-based gameloop for servers leads me to the conclusion that inefficient or too complicated to get a real benefit from it. I'm sure if this is enough to get an idea from what I'm interessted to know, but I hope so.

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• crash when using wireless network

  - by Erik

  ubuntu 12.04 32 bit When I start up my system almost instantly freezes, I found that the problem lays with my wireless network, because the crash is always t the same time as the message that tells me I am connected to a network when I start up connected to a cable everything works fine, I can even see that I am connected to our wireless network, until I unplug the ethernet cable, then it all freezes again the same happened when I boot from a live cd (from usb) The problem only occurs on my netbook, my laptop doesn't give any problems. I don't know if anyone else has had similar problems, or if anyone knows a solution... Thanks in advance! greetings Erik EDIT (21/3/2012): it seems there is some external factor involved, I'm using my netbook for about 50 minutes now while connected to the wireless network, and still it didn't crash strange enough, before these 50 minutes I had to put it down by holding the power button, because I decided to try it again, that time it did crash... before (while connected with an ethernet cable) I've been trying to get my Bluetooth working, that didn't succeed entirely, but I guess that might be a factor in the question why it doesn't crash at the moment now I rebooted, connected, and no crash... if it crashes again, I'll update this post again. in the meantime, if anyone has an idea on what could be a factor, and on how to create a crash using that factor, feel free to ask!

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• iptables rules keep showing up

  - by Omriko

  I just installed an ubuntu precise server, after a few weird communications issues I checked the iptables list and found: Chain INPUT (policy DROP) target prot opt source destination ACCEPT all -- anywhere anywhere ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT tcp -- 10.0.0.0/24 anywhere tcp spts:1024:65535 dpt:ssh state NEW ACCEPT icmp -- anywhere anywhere state NEW ACCEPT icmp -- anywhere anywhere state NEW ACCEPT icmp -- anywhere anywhere state NEW ACCEPT icmp -- anywhere anywhere state NEW DROP tcp -- anywhere anywhere tcp dpt:10520 state NEW DROP udp -- anywhere anywhere udp spts:1:65535 dpt:31337 state NEW DROP udp -- anywhere anywhere udp spts:1:65535 dpt:31338 state NEW DROP udp -- anywhere anywhere udp spts:1:65535 dpt:54320 state NEW DROP udp -- anywhere anywhere udp spts:1:65535 dpt:54321 state NEW DROP tcp -- anywhere anywhere tcp dpt:12345 state NEW DROP tcp -- anywhere anywhere tcp dpt:12346 state NEW DROP tcp -- anywhere anywhere tcp dpt:20034 state NEW DROP tcp -- anywhere anywhere tcp dpt:16600 state NEW DROP tcp -- anywhere anywhere tcp dpt:16660 state NEW DROP tcp -- anywhere anywhere tcp dpt:65000 state NEW DROP udp -- anywhere anywhere udp dpt:34555 state NEW DROP udp -- anywhere anywhere udp dpt:35555 state NEW DROP udp -- anywhere anywhere udp spts:netbios-ns:netbios-dgm dpts:netbios-ns:netbios-dgm state NEW DROP tcp -- anywhere anywhere tcp spts:1024:65535 dpt:netbios-ssn state NEW DROP tcp -- anywhere anywhere tcp spts:1024:65535 dpt:microsoft-ds state NEW DROP udp -- anywhere anywhere udp spt:microsoft-ds dpt:microsoft-ds state NEW DROP udp -- anywhere anywhere udp spts:1024:65535 dpt:microsoft-ds state NEW DROP tcp -- anywhere anywhere tcp spts:1024:65535 dpt:loc-srv state NEW DROP tcp -- anywhere anywhere tcp spts:1024:65535 dpt:5000 state NEW DROP tcp -- anywhere anywhere tcp spts:1024:65535 dpts:1025:1029 state NEW DROP udp -- anywhere anywhere udp spts:1:65535 dpt:loc-srv state NEW ACCEPT tcp -- anywhere anywhere tcp spts:1024:65535 dpt:28082 state NEW DROP all -- anywhere anywhere state NEW Chain FORWARD (policy DROP) target prot opt source destination Chain OUTPUT (policy DROP) target prot opt source destination ACCEPT all -- anywhere anywhere ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED ACCEPT tcp -- anywhere anywhere tcp spts:tcpmux:65535 dpts:tcpmux:65535 state NEW ACCEPT udp -- anywhere anywhere udp dpts:1:65535 state NEW ACCEPT icmp -- anywhere anywhere state NEW ACCEPT tcp -- anywhere anywhere tcp spts:1024:65535 dpt:28082 state NEW DROP all -- anywhere anywhere state NEW I tried to wipe the rules, I disabled UFW, Ive rewritten and saved iptables rules according to this guide, but every minute or so the old rules return.... I checked crontab for scheduled tasks, there is nothing in there but still these rules appear every minute... please help!

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• P2P synchronization: can a player update fields of other players?

  - by CherryQu

  I know that synchronization is a huge topic, so I have minimized the problem to this example case. Let's say, Alice and Bob are playing a P2P game, fighting against each other. If Alice hits Bob, how should I do the network component to make Bob's HP decrease? I can think of two approaches: Alice perform a Bob.HP--, then send Bob's reduced HP to Bob. Alice send a "I just hit Bob" signal to Bob. Bob checks it, and reduce its own HP, then send his new HP to everyone including Alice. I think the second approach is better because I don't think a player in a P2P game should be able to modify other players' private fields. Otherwise cheating would be too easy, right? My philosophy is that in a P2P game especially, a player's attributes and all attributes of its belonging objects should only be updated by the player himself. However, I can't prove that this is right. Could someone give me some evidence? Thanks :)

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• How do I set up a virtual network interface with its own IP address?

  - by Stefano Palazzo

  I vaguely remember that it's possible to set up virtual network interfaces with their own IP addresses, using only one physical network connection. I can find a few guides on the internet that recommend setting these up in /etc/network/interfaces, but Ubuntu doesn't use this file. Therefore my question: What's the correct way of setting these up in recent versions of Ubuntu? As this is a laptop, and I need it to connect to all kinds of different networks, I want to keep the network manager and all its configuration. To be more clear: at the end of this, I want to have a new network interface (e.g. "eth42") with its own IP address, but using whatever is connected in network manager to send the actual packets. In NM, it should appear as if I just had a second ethernet adapter installed in my system.

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• Ubuntu Minimal in the new Intel NUC Haswell

  - by Ernie

  I have one the of the new Haswell NUCs that just came out - D34010WYK. https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=23089&lang=eng&OSVersion=OS%20Independent&DownloadType=Documentation), I tried to load ubuntu minimal 13.10 x64 from the mini.iso and it cannot properly detect a network during install - my guess is a driver issue. Tried 12.04 lts and it doesnt even see the NIC at all. Is there anything I could do to get one of the current versions to see the network properly? I did try the latest trusty nightly desktop and it did install without issue. Is there a minimal version of that? Thanks Ernie

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• A Primer on Migrating Oracle Applications to a New Platform

  - by Nick Quarmby

  In Support we field a lot of questions about the migration of Oracle Applications to different platforms.  This article describes the techniques available for migrating an Oracle Applications environment to a new platform and discusses some of the common questions that arise during migration.  This subject has been frequently discussed in previous blog articles but there still seems to be a gap regarding the type of questions we are frequently asked in Service Requests. Some of the questions we see are quite abstract. Customers simply want to get a grip on understanding how they approach a migration. Others want to know if a particular architecture is viable. Other customers ask about mixing different platforms within a single Oracle Applications environment.    Just to clarify, throughout this article, the term 'platform' refers specifically to operating systems and not to the underlying hardware. For a clear definition of 'platform' in the context of Oracle Applications Support then Terri's very timely article:Oracle E-Business Suite Platform SmörgåsbordThe migration process is very similar for both 11i and R12 so this article only mentions specific differences where relevant.

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• How to build a turn-based multiplayer "real time" server

  - by jmosesman

  I want to build a TCG for mobile devices that is multiplayer over the web (not local wifi or bluetooth). As a player plays cards I want the second player to see what is being played in "real time" (within a few seconds). Only one player can play at a time. Server requirements: 1) Continuously listens for input from Player 1 2) As it receives input from Player 1, sends the message to Player 2 I know some PHP, but it seems like unless I had a loop that continued until I broke it (seems like a bad idea) the script would just receive one input and quit. On the mobile side I know I can open sockets using various frameworks, but what language allows a "stream-like" behavior that continuously listens/sends messages on the server? Or if I'm missing something, what would be the best practice here?

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• How to speed up file transfer to/from Ubuntu Server 11.10 (wifi)

  - by Alexander

  I've been searching AU & elsewhere for the last day and a half. Haven't found an answer so I joined AU to ask for help. I'm hoping someone can point me in the right direction. Ubuntu Server 11.10 Samba VSFTPD Windows 7 PC 2 MacBook Pro - Snow Leopard/Lion 1 iMac - Lion Wireless LAN using DLink DIR-655 Link Speed: 195 Mbit/s on Mac - 54Mbps on Windows ISP Connection: Cable - 20 down/3 up No Domain Controller. All machines are members of the same workgroup. No matter how I connect I can't get better than about 700K transfer rate up/down. Mac/PC, SMB/ftp, Domain Name/Local IP I've tried different user accounts and using different folders, different volumes on the server. Nothing seems to make a difference. 700K up/down. Period. Any suggestions would be greatly appreciated. Thanks, Alexander EDIT: Using sftp now and uploading seems to peak at 980k. After about 5 minutes into a 650MB file, downloading is at 1072k and climbing about 500b/s every ten seconds. If any of that matters... I was expecting a lot faster than 1Mb tx rate. Am I off base here? EDIT: From all I've read so far, perhaps the speed isn't that bad. I only installed Ubuntu out of boredom this past weekend. The trouble is, I like it. Guess it's time to ditch the wifi and run some Cat 5.

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• Uploading to my local server is slower than downloading from the Internet

  - by Olivier Lalonde

  I have a home Ubuntu server that I use for storage. I have mounted a sftp share on my laptop to access my server but the upload speed I get is very slow (~400kb/s) compared to speeds I usually get when downloading through Bittorrent (~800kb/s). It's kind of weird... I should get higher speeds on a LAN than on the Internet... How can I speed up uploads to my server and how can I troubleshoot where the bottleneck is?

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• Customized Database Listener Names Now Supported for EBS

  - by sreelatha.mahendra(at)oracle.com

  The database listener name can now be configured using AutoConfig with newly introduced context variable s_db_listener. Prior to this certification it was not possible to use AutoConfig generated listener.ora files for managing listeners from SRVCTL when there were multiple RAC instances on the same server.To use this feature E-Business Suite customers need to apply the following patch:11.5.10CU2 - Roll Up Patch 9535311 (RUP-U) or higher12.0.x - R12.TXK.A.delta.7 or higher 12.1.x - R12.TXK.B.delta 3 or higher

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• Making a bash script that reconnect to AP when connection lost

  - by Alexander

  I'm facing problems with WIFI on ubuntu i tried to update the system but still the same what happens is that i suddenly lose the connection with my router and when i press on the WIFI bar the system won't detect any APs i have to uncheck "enable WIFI" option ,then re check it so it work,it automatically reconnect. I'm thinking of making a bash script that detects when the pc is disconnected from the router for any reason, and when it is disconnected it disable then enable the wifi. i mean like automating resetting the connection that possible ? i guess i must use this nmcli nm wifi off nmcli nm wifi on but how can i make the script know if the PC is disconnected from the WIFI ?

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• Wake On Lan (WOL) for Realtek RTL8101E/RTL8102E

  - by Heisennberg

  I'm unsuccessfully trying to get Wake on Lan to work with my local server (IP Address : 192.168.0.2, distro Ubuntu 12.04.3 LTS) which has a Realtek RTL8101E/RTL8102E ethernet card. The computer sending the WOL is a Macbook Pro which is connected on the same network. Yet the server fails to start. Here what I have done so far : name@serverName ~ $ cat /proc/acpi/wakeup Device S-state Status Sysfs node HDEF S3 *disabled pci:0000:00:1b.0 PXSX S3 *disabled PXSX S0 *enabled pci:0000:04:00.0 PXSX S0 *disabled USB1 S3 *enabled pci:0000:00:1d.0 USB2 S3 *enabled pci:0000:00:1d.1 USB3 S3 *enabled pci:0000:00:1d.2 USB5 S3 *enabled pci:0000:00:1a.1 EHC1 S3 *enabled pci:0000:00:1d.7 EHC2 S3 *enabled pci:0000:00:1a.7 name@serverName ~ $ lspci ------ 04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 01) ------ name@serverName ~ $ sudo ethtool eth0 Settings for eth0: Supported ports: [ TP MII ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full Supported pause frame use: No Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full Advertised pause frame use: Symmetric Receive-only Advertised auto-negotiation: Yes Link partner advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full Link partner advertised pause frame use: Symmetric Receive-only Link partner advertised auto-negotiation: Yes Speed: 100Mb/s Duplex: Full Port: MII PHYAD: 0 Transceiver: internal Auto-negotiation: on Supports Wake-on: pumbg Wake-on: g Current message level: 0x00000033 (51) drv probe ifdown ifup Link detected: yes and I'm calling the WOL with : name@serverName ~ $ wakeonlan xx:xx:xx:xx:xx` Sending magic packet to 255.255.255.255:9 with xx:xx:xx:xx:xx I have succesfully activated the WOL option in my computer BIOS. Any idea ?

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• Wifi won't enter working net after hard reboot

  - by Terry Smith

  I rebooted the hard way after my system jammed again because FF eats all the ram. (that's a different problem) I've always gotten away with it, but not this time. The system came up ok BUT it absolutely refuses to log onto the local house wifi net. I know the net is ok as the Windows box I'm writing this on is on it right now. I deleted the connection and rentered the password but it will not go on. /var/lib/NetworkManager/NetworkManager.state says everything is turned on. I know this is my fault but I'd really like to get back on the net. The machine is a Toshiba Satellite. Any suggestions?

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• WPA2 authentication fails on Ubuntu 12.04 using Rosewill RNX-N1

  - by user94156

  Decided to reduce the clutter in the house and replace a wired connection with a wireless one on my wife's system using USB network device Rosewill RNX-X1. I can see and connect to unprotected network, but WPA2 authentication repeatedly fails. RNX-X1 works on other systems (including TV); also have 2 of 'em and tried each. Worth noting that I recently switched from Comcast to CenturyLink and so switched routers. The system connected successfully to previous router (Linksys EA4500) using WPA2. Would think it is the router (Actiontec C1000A) but all other devices (TV, iPad, Windows, Blackberry, and Squeezebox) connect ok. Would appreciate some diagnostic guidance and insight (phrased for a newbie!) Tests to date: sudo lshw -class network *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: eth0 version: 01 serial: 00:e0:4d:30:40:a1 size: 10Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm vpd msi pciexpress 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=half firmware=N/A latency=0 link=no multicast=yes port=MII speed=10Mbit/s resources: irq:47 ioport:ac00(size=256) memory:fdcff000-fdcfffff memory:fdb00000-fdb1ffff *-network description: Wireless interface physical id: 1 bus info: usb@1:2 logical name: wlan1 serial: 00:02:6f:bd:30:a0 capabilities: ethernet physical wireless configuration: broadcast=yes driver=rt2800usb driverversion=3.2.0-31-generic firmware=0.29 link=no multicast=yes wireless=IEEE 802.11bgn sudo lspci -v 00:00.0 RAM memory: NVIDIA Corporation MCP67 Memory Controller (rev a2) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0 Capabilities: [44] HyperTransport: Slave or Primary Interface Capabilities: [dc] HyperTransport: MSI Mapping Enable+ Fixed- 00:01.0 ISA bridge: NVIDIA Corporation MCP67 ISA Bridge (rev a2) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0 00:01.1 SMBus: NVIDIA Corporation MCP67 SMBus (rev a2) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: 66MHz, fast devsel, IRQ 11 I/O ports at fc00 [size=64] I/O ports at 1c00 [size=64] I/O ports at 1c40 [size=64] Capabilities: [44] Power Management version 2 Kernel driver in use: nForce2_smbus Kernel modules: i2c-nforce2 00:01.2 RAM memory: NVIDIA Corporation MCP67 Memory Controller (rev a2) Flags: 66MHz, fast devsel 00:02.0 USB controller: NVIDIA Corporation MCP67 OHCI USB 1.1 Controller (rev a2) (prog-if 10 [OHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 23 Memory at fe02f000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 Kernel driver in use: ohci_hcd 00:02.1 USB controller: NVIDIA Corporation MCP67 EHCI USB 2.0 Controller (rev a2) (prog-if 20 [EHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22 Memory at fe02e000 (32-bit, non-prefetchable) [size=256] Capabilities: [44] Debug port: BAR=1 offset=0098 Capabilities: [80] Power Management version 2 Kernel driver in use: ehci_hcd 00:04.0 USB controller: NVIDIA Corporation MCP67 OHCI USB 1.1 Controller (rev a2) (prog-if 10 [OHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21 Memory at fe02d000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 Kernel driver in use: ohci_hcd 00:04.1 USB controller: NVIDIA Corporation MCP67 EHCI USB 2.0 Controller (rev a2) (prog-if 20 [EHCI]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 20 Memory at fe02c000 (32-bit, non-prefetchable) [size=256] Capabilities: [44] Debug port: BAR=1 offset=0098 Capabilities: [80] Power Management version 2 Kernel driver in use: ehci_hcd 00:06.0 IDE interface: NVIDIA Corporation MCP67 IDE Controller (rev a1) (prog-if 8a [Master SecP PriP]) Subsystem: Biostar Microtech Int'l Corp Device 3409 Flags: bus master, 66MHz, fast devsel, latency 0 [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8] [virtual] Memory at 000003f0 (type 3, non-prefetchable) [size=1] [virtual] Memory at 00000170 (32-bit, non-prefetchable) [size=8] [virtual] Memory at 00000370 (type 3, non-prefetchable) [size=1] I/O ports at f000 [size=16] Capabilities: [44] Power Management version 2 Kernel driver in use: pata_amd Kernel modules: pata_amd 00:07.0 Audio device: NVIDIA Corporation MCP67 High Definition Audio (rev a1) Subsystem: Biostar Microtech Int'l Corp Device 820c Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22 Memory at fe024000 (32-bit, non-prefetchable) [size=16K] Capabilities: [44] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+ Capabilities: [6c] HyperTransport: MSI Mapping Enable- Fixed+ Kernel driver in use: snd_hda_intel Kernel modules: snd-hda-intel 00:08.0 PCI bridge: NVIDIA Corporation MCP67 PCI Bridge (rev a2) (prog-if 01 [Subtractive decode]) Flags: bus master, 66MHz, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=32 I/O behind bridge: 0000c000-0000cfff Memory behind bridge: fdf00000-fdffffff Prefetchable memory behind bridge: fd000000-fd0fffff Capabilities: [b8] Subsystem: NVIDIA Corporation Device cb84 Capabilities: [8c] HyperTransport: MSI Mapping Enable- Fixed- 00:09.0 IDE interface: NVIDIA Corporation MCP67 AHCI Controller (rev a2) (prog-if 85 [Master SecO PriO]) Subsystem: Biostar Microtech Int'l Corp Device 5407 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 23 I/O ports at 09f0 [size=8] I/O ports at 0bf0 [size=4] I/O ports at 0970 [size=8] I/O ports at 0b70 [size=4] I/O ports at dc00 [size=16] Memory at fe02a000 (32-bit, non-prefetchable) [size=8K] Capabilities: [44] Power Management version 2 Capabilities: [8c] SATA HBA v1.0 Capabilities: [b0] MSI: Enable- Count=1/8 Maskable- 64bit+ Capabilities: [cc] HyperTransport: MSI Mapping Enable- Fixed+ Kernel driver in use: ahci 00:0b.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: 0000b000-0000bfff Memory behind bridge: fde00000-fdefffff Prefetchable memory behind bridge: 00000000fdd00000-00000000fddfffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0c.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 I/O behind bridge: 0000a000-0000afff Memory behind bridge: fdc00000-fdcfffff Prefetchable memory behind bridge: 00000000fdb00000-00000000fdbfffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0d.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=04, subordinate=04, sec-latency=0 I/O behind bridge: 00009000-00009fff Memory behind bridge: fda00000-fdafffff Prefetchable memory behind bridge: 00000000fd900000-00000000fd9fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0e.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=05, subordinate=05, sec-latency=0 I/O behind bridge: 00008000-00008fff Memory behind bridge: fd800000-fd8fffff Prefetchable memory behind bridge: 00000000fd700000-00000000fd7fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:0f.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=06, subordinate=06, sec-latency=0 I/O behind bridge: 00007000-00007fff Memory behind bridge: fd600000-fd6fffff Prefetchable memory behind bridge: 00000000fd500000-00000000fd5fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:10.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=07, subordinate=07, sec-latency=0 I/O behind bridge: 00006000-00006fff Memory behind bridge: fd400000-fd4fffff Prefetchable memory behind bridge: 00000000fd300000-00000000fd3fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:11.0 PCI bridge: NVIDIA Corporation MCP67 PCI Express Bridge (rev a2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=08, subordinate=08, sec-latency=0 I/O behind bridge: 00005000-00005fff Memory behind bridge: fd200000-fd2fffff Prefetchable memory behind bridge: 00000000fd100000-00000000fd1fffff Capabilities: [40] Subsystem: NVIDIA Corporation Device 0000 Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport Kernel modules: shpchp 00:12.0 VGA compatible controller: NVIDIA Corporation C68 [GeForce 7050 PV / nForce 630a] (rev a2) (prog-if 00 [VGA controller]) Subsystem: Biostar Microtech Int'l Corp Device 1406 Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21 Memory at fb000000 (32-bit, non-prefetchable) [size=16M] Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at fc000000 (64-bit, non-prefetchable) [size=16M] [virtual] Expansion ROM at 80000000 [disabled] [size=128K] Capabilities: [48] Power Management version 2 Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+ Kernel driver in use: nvidia Kernel modules: nvidia_current, nouveau, nvidiafb 00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration Flags: fast devsel Capabilities: [80] HyperTransport: Host or Secondary Interface 00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map Flags: fast devsel 00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller Flags: fast devsel 00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control Flags: fast devsel Capabilities: [f0] Secure device <?> Kernel driver in use: k8temp Kernel modules: k8temp 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 01) Subsystem: Biostar Microtech Int'l Corp Device 2305 Flags: bus master, fast devsel, latency 0, IRQ 47 I/O ports at ac00 [size=256] Memory at fdcff000 (64-bit, non-prefetchable) [size=4K] [virtual] Expansion ROM at fdb00000 [disabled] [size=128K] Capabilities: [40] Power Management version 2 Capabilities: [48] Vital Product Data Capabilities: [50] MSI: Enable+ Count=1/2 Maskable- 64bit+ Capabilities: [60] Express Endpoint, MSI 00 Capabilities: [84] Vendor Specific Information: Len=4c <?> Capabilities: [100] Advanced Error Reporting Capabilities: [12c] Virtual Channel Capabilities: [148] Device Serial Number 32-00-00-00-10-ec-81-68 Capabilities: [154] Power Budgeting <?> Kernel driver in use: r8169 Kernel modules: r8169 sudo rfkill list all 2: phy2: Wireless LAN Soft blocked: no Hard blocked: no

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• Turning on the wireless card freezes Ubuntu 12.04

  - by Ryan Schram

  I've been using Ubuntu 12.04 for close to a year. Occasionally after booting into Gnome 3, the desktop is unresponsive to cursor clicks. The mouse cursor moves but can't open menus. Also the network icon displays a red error badge instead of the usual gray x indicating that it is off. The only way I have found to solve this is to switch to a terminal shell (Ctrl-Alt-F5), login and kill gnome-session. This is an intermittent and occasional problem. Recently I moved house and set up this computer in my new apartment. Now I have for the first time a new and more difficult problem. Switching on the wireless card (wlan0) to connect to the wifi router causes the desktop to freeze. Switching to a terminal via Ctrl-Alt-F5 doesn't work. The only solution is a hard reboot from the power switch. How can I diagnose the second, more recent problem? Is there a solution? Cheers, Ryan

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• Gateway IP Returns to Zero

  - by Robert Smith

  When you set a static IP under Ubuntu 12.04.1, you must supply the desired machine IP and the gateway IP, all using the Network Manager. When I first entered them and rebooted, everything worked great. On the second boot, however, Firefox could find no Web page. Upon checking, I discovered that the gateway IP had returned to zero. Now, no matter how often I resupply it, it returns to zero immediately after NM "saves" it: that is, appears as zero when redisplayed. The only way I can get to the Internet is to restore DHCP operation. I need to use static IP for access to my home network. Would appreciate any suggestion. --Robert Smith

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• Xinet tftp timeout

  - by Matt Mootz

  I trying to set up a PXE boot server. Everything is working but the TFTP client is timing out. TFTP connection timeout I am using this to setup the TFTP server. http://www.davidsudjiman.info/2006/03/27/installing-and-setting-tftpd-in-ubuntu/ /etc/xinet.d/tftp service tftp { protocol = udp port = 69 socket_type = dgram wait = yes user = nobody server = /usr/sbin/in.tftpd server_args = /tftpboot disable = no } ps ax|grep tftp doesn't return it running. any idea's what could be wrong?

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