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• Windows clients not using NTP server provided via DHCP

  - by gencha

  I have a network consisting mostly of Windows Vista and 7 clients and an Ubuntu server. The server provides both the DHCP and NTP services through dhcp3-server and openntpd. In my dhcpd.conf, the subnet is declared as follows: subnet 10.10.10.0 netmask 255.255.255.0 { range 10.10.10.10 10.10.10.200; option broadcast-address 10.10.10.255; option routers 10.10.10.1; option ntp-servers 10.10.10.1; } The clients don't seem to be using the NTP server though. When I capture the network traffic with Wireshark during the DHCP process, I also see no mention of the NTP option in the DHCP offer message. I am not quite sure if the clients would have to specifically request that option to receive it or if I have to make another configuration to offer the option.

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• capture login screen-not sucssecful

  - by yinon

  I'm using Ubuntu 12.04 . If more information is needed, please tell me. I Tried some guides to cature my login screen: How can I take a screenshot of the login screen? http://www.howtoforge.com/how-to-take-a-screenshot-of-your-login-screen I tried the first one, but after running: $ sudo bash /tmp/shot.sh >/tmp/shot.xwd I'm getting this: No protocol specified No protocol specified xwd unable to open display ':0' and i'm getting an xwd file in my tmp folder. running the other commands giving errors. tried the second one, after running: chvt 8; sleep 5; XAUTHORITY=/var/gdm/:0.Xauth DISPLAY=:0.0 import -window root /tmp/gdm-login-shot.png I got: No protocol specified No protocol specified import: unable to open X server ':0.0' @ error/import.c/ImportImageCommand/366 Many Thanks for helping (: EDIT to vine_user: here the output from the terminal-I cacked it from within the system while I'm looged in: ubuntu@PrecisePangolin:~$ echo 'sleep 5; DISPLAY=:0 XAUTHORITY=/var/run/lightdm/root/$DISPLAYDISPLAY xwd -root' > /tmp/shot.sh ubuntu@PrecisePangolin:~$ sudo bash /tmp/shot.sh >/tmp/shot.xwd bash: /tmp/shot.xwd: Permission denied ubuntu@PrecisePangolin:~$ sudo su root@PrecisePangolin:/home/ubuntu# sudo bash /tmp/shot.sh >/tmp/shot.xwd No protocol specified No protocol specified xwd: unable to open display ':0' root@PrecisePangolin:/home/ubuntu# EDIT 2!: HERE IT IS!: just uploading-this uploadong site is better than other iuset to use (: :

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• NAS disk - problem with accessing SAMBA

  - by dominolog

  Hello I have a NAS disk running on some version of Linux. The disk is located in local network (5 PC running XP or Vista, all connected to Linksys Router). I have problems accessing NAS resources through SAMBA. The 1st issue is that the NAS is not accessible through hostname (even if it is configured), 2nd point is that it is mostly not accessible through IP manner (\IP_OF_NAS). Rest of services (FTP, HTTP access) works flawlessly. I connected the NAS to my home network (only 1 WinXP and Linsys router) and the NAS is working fine - SAMBA access together with hostname recognition works perfectly. I wonder this is an issue with WINS? Could anybody help? Regards

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• Ethernet switch not working

  - by Froskoy

  I've just tried using two different ethernet switches on my network to replace an 8-port Netgear gigabit ethernet switch, which works fine, but doesn't have enough ports for what I need. Computers are connected to a TP-Link TD-8840T router via a switch. They use DHCP for IP address assignment. One switch is a TigerSwitch 6924M, which I'd expect to be difficult to set up, since it is second hand and has an advanced configuration menu, which I can't access without a serial port. However, the second switch that I tried is a new TP-Link TL-SF024, which doesn't appear to have any configuration options, so that can't be the problem. When I say "not working," I mean that although they display that they are connected to a network, they cannot access the internet. For example commands like "ping -c10 google.co.uk" come up with 100% packet loss. What could be causing the problem and how do I fix it?

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• Streaming Flash Video - getting my feet wet

  - by Travis

  I'm working on a project that will involve having a couple thousand short videos online. I haven't done anything with online video before and this is all a bit new to me, so I am looking for some general advice... I would like to use Flowplayer, and I would like to encode the videos as H264s. I am enamoured with Flowplayer's slow motion feature, which if I understand correctly, is only available using a Wowza server. I'm wondering: Is it advisable to use a delivery network of some sort? (Flowplayer seems to have a partnership with HDDN, and recommends them. http://www.hddn.com/) Or would I be better off purchasing Wowza and installing it on our own server? (At first glance, it looks as though signing up with a network like HDDN is much simpler, but perhaps there are problems that come along with this...?) Any tips / warnings of imminent peril would be much appreciated. Thanks in advance.

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• Problems with icons and shutting down Ubuntu 12.04

  - by Anders

  I recently upgraded from 11-10 to 12.04 as a dual boot (Windows 7) and am having problems with shutting down. I installed from a CD that I burned from the iso file, and to get it to boot from the CD, I needed to install the special help program from Windows that would then recognize the CD as the system booted.The installation gave me my own user account as well as a guest account. For the User account there is no "gear" icon (in the upper RH side) from which to access the shut down menu. Interestingly the icons for the Home folder, the Ubuntu One folder, and the System Settings folder are missing, although there are blank places shows these names if the mouse cursor is positioned over these areas. They will even launch with the press of a key - but no icons are visible. For the Guest account, all of these icons are visible and usable. The problem that occurs in shutting down is that I need to leave the User account, move to the Guest account (so that I can access the top right "gear" icon that has the shut down menu item) and press the shut down button. The problem here is that when the shut own menu appears and I press the confirmation that I wish to shut down the computer, the page blanks (as one might hope in the process of closing down), and then pops up with the log in menu, giving the option of logging in as a User or as a Guest. So the questions are: 1) how do you reinstate the far right top icon from which you can access the shut down drop down menu in the User account page. 2) how do you get the icons to display properly on the Left hand side (Home, Ubuntu One, System Settings, and Workspace Switcher) 3) how do you get the system to turn of when you press the shut down button! Boy oh boy! Thanks a bunch for any help!

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• How to remove the smell of cigarette from the computer?

  - by Tio

  So I'm a smoker, and of course I smoke in front of the computer when I'm at home. On last Friday I moved out from my mothers house to my own, and since the computers were always turned on and the room was a room that everybody could smoke, the smell didn't bother me. At my new home, I turned them on, about 15 minutes ago, and I'm dying because of the smell of cigarette ( this may be kind of stupid from a smoker, but I hope some of you understand ). This solution has to be relatively quick, because I can't stay without the desktop and the server for one week, for example. Tomorrow, I'm going to open them both, and remove all dust there is inside, this should clear some of the smell, but probably won't remove it completely. Does anyone know a technique to get rid of the smell?

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• Debugging IO limitation

  - by Martin F

  I have a Fedora box with some severe IO limitations which I have no idea how to debug. The server has a Areca Technology Corp. ARC-1130 12-Port PCI-X to SATA RAID Controller with 12 7200 RPM 1.5 TB disks and a Marvell Technology Group Ltd. 88E8050 PCI-E ASF Gigabit Ethernet Controller. uname -a output: 2.6.32.11-99.fc12.x86_64 #1 SMP Mon Apr 5 19:59:38 UTC 2010 x86_64 x86_64 x86_64 GNU/Linux The server is a file server running Nginx with the stub status module enabled, so I can see the current amount of connections. The problem present itself when I have a high number of simultaneous connections in a writing state. Usually around 350, at this very moment it's at 590 and the server is almost unusable and stuck at 230mbit/s. If I run stop and hit 1 to see CPU core usages I have all 4 cores with around 99% io wait, if I run iotop the nginx workers are the only processes producing any read load, currently at around 25MB/s. I have each of the workers bound to their own core. Initially I figured it was just the disks being bugged. But I've run fscheck and smartmontools checks and found no errors. I also ran an iozone test which you can see the result of here: http://www.pastie.org/951667.txt?key=fimcvljulnuqy2dcdxa Additionally, when the amount of connections are low I have no problem getting a good speed. If I wget over the local network it easily hits 60MB/sec. Right now I just tried putting a file in /dev/shm, then I symlinked a file from the public dir to it and used wget over the local network and only got 50KB/s. Also, if I try to cp /dev/shm/test /root/test it quickly copies around 740MB and then slows down HEAVILY. Again with iotop reporting 99% iowait. I'm not really sure how to go about figuring out what the problems are. It could be a natural disk limitation but then the file from /dev/shm ought to transfer so it seems there's a network limit, but that's fine when there's not many connections. Perhaps it's a TCP stack problem but I really have no idea how to check that. Any suggestions on how to proceed with debugging would be very welcome. If additional information is required then let me know and I'll try to get it. Thanks.

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• SMB super slow within LAN between MAC and PC

  - by asdcasdc

  I have a windows desktop which stores all my movies, songs and pictures. I have a mac laptop which I would like to access these files. I don't want to utilize the FTP or SCP protocol because I don't want them to be downloaded to my mac. I want to access them as if they are a network mounted disk. So I tried using the native SMB protocol (available in Finder - Go - Connect to server). I tried dragging a file and dropping it onto my MAC's desktop. Surprisingly, I am only able to transfer at a very slow rate of about 1mb/s. Assuming network connectivity is not a problem, has anyone experienced incredible slowness with SMB? Are there alternative protocols for me to use in this case between PC and MAC?

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• Friday Fun: Doom Triple Pack

  - by Mysticgeek

  Thankfully it was only a 4 day work week, but that is enough to get sick of the TPS reports. Today we go retro and experience three classic first-person PC shooter games with the Doom Triple Pack. Doom Triple Pack The Doom Triple Pack brings you your favorite classic first-person PC shooter games in Flash format. The games include Doom, Heretic, and Hexen…just select which one you want to play. Click on Controls to learn how to navigate your characters through the games.   Each on has in-game options you can use to control the style of play. The ever famous DOOM…each game runs smoothly for what they are provided you have a decent internet connection. If you’re tired of spreadsheets and meetings and want to live some of you favorite retro PC gaming days, the Doom Triple Pack can be a lot of fun. If you’re looking for other fun ways to waste time at the office check out the games in the How-To Geek Arcade. Play the Doom Triple Pack Similar Articles Productive Geek Tips Transform your XP Computer to a Modern LookSupport for Some Versions of Windows is EndingSet Automatic Defrag Options for All Drives in Vista Service Pack 1Friday Fun: Portal, the Flash VersionHow to Play .OGM Video Files in Windows Vista TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 Use ILovePDF To Split and Merge PDF Files TimeToMeet is a Simple Online Meeting Planning Tool Easily Create More Bookmark Toolbars in Firefox Filevo is a Cool File Hosting & Sharing Site Get a free copy of WinUtilities Pro 2010 World Cup Schedule

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• Newbie one: Virtual Networks - Hyper-V - Remote Destktop - Only one phisical NIC

  - by josecortesp

  Hello everyone, I'll try to explain my situation and I'll apreciate any help: I have a phisical server (quad core, 4Gb ram, 1TB raid 10, etc) with Win Server 2008 R2 enterprise, running IIS, Printing, etc... Also, I want to set up 2 virtual Servers with 2008 R2 standart one with SQL Server and the other with Team Foundation. What i need is: Being able to access from inside the private phisical network, to Remote Desktops on each of the Virtual and the phisical Servers Had Access from the outside, using a router and port Forwarding, to the TFS server and the IIS server (one is virtualized, the other is phisical) This is it, but note that I only have one Phisical Nic. How do I configure this to work. When i set up the hyper-v role, on the wizard something like it showed up but I don't remmember what i choose, and right now, I cannot access none of the servers from remote desktop, not even from the phisical private network. Can anybody point me, what can i do? Thanks in advance (sorry 4 my english, i'm a spanish talker and my english isn't that good)

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• Can't enable wireless lan on Fujitsu Siemens A1665G with Ubuntu 11.10 installed

  - by Theo

  I saw my old Notebook yesterday and wanted to make that work again. On Windows XP the wireless worked still fine. Then I installed new Ubuntu 11.10 32bit and I'm sadly not able to make the wireless enabled. [I replaced Win XP entirely] lspci lists following network: 08:0a.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02) So after recommendation from this link I installed the b43 firmware module. iwconfig prints the following: wlan0 IEEE 802.11bg ESSID:off/any Mode:Managed Access Point: Not-Associatd Tx-Power=off Retry long limit:7 RTS thr:off Fragment thr:off Power Management: off As you can see, my wireless lan adapter is not turned on. sudo iwconfig wlan0 txpower auto Doesn't change anything. Then I tried to make it work with rfkill. rfkill list 0: phy0: Wirless LAN Soft blocked: no Hard blocked: yes sudo rfkill unblock all rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: yes remains the same. The question is now, how I could enable the hard blocked wireless LAN. There is no hardware switch for wlan integrated. However there is a button to change the state. I always thought this would be software sided, but it seems to make some hardware changes as well... The wireless LED is also not blinking (as it did on windows xp) I reset bios and searched for some settings in there, but it has only a few options and nothing to do with wireless settings, nothing works here.. At last I tried to install the acer hotkeys but I was not able to manage that. I installed the acerhkgui package, but in initializing progress, it was not able to compile acer hotkeys for my machine. There was a message that asm/linkage.h was not found while compiling. Do you have any ideas what I could do to make this hard blocked stuff disabled and my wireless card work? PS: I also tried sudo rm /dev/rfkill and a reboot to reinit that stuff... No success :(

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• WARNING Retrying Bulk Insert for file:sqlldr due to Communication Error:256

  - by user702295

  WARNING Retrying Bulk Insert for file:sqlldr due to Communication Error:256 I am running my engine on Linux and am receiving an intermittent message "WARNING Retrying bulk insert for file: sqlldr due to communication Error: 256" The engine seems to have completed successfully, but it is not clear if this error caused some of the forecast to not complete. It is also not clear what caused the error. Generally if you see only the WARNING of it, it means that next retries of the same load request have eventually succeeded and so the run a a whole is not affected. In order to know more about what happens, look for .log/.bad files left in the engines bin directory or possibly a quote of them within the specific engine log that had the issue.  The sqlnet.log file may also have some information about it and perhaps at the database server side there may be some log/alert regarding what happened.  Look at the alert.log. In general it could be that the database server/network was over loaded at the time and somehow the connection was rejected/failed/aborted either due to specific setting on concurrent connections/sessions or inadvertently due to glitch in network/os/hardware. If this repeats and becomes more frequent during the run you should look further into it as mentioned above. You can also track this using either SQL*Trace or java.util.logging.  - Globally enable logging by setting the oracle.jdbc.Trace system property java -Doracle.jdbc.Trace=true - Client Side Tracing: Your SQLNET.ORA file should contain the following lines to produce a client side trace file: trace_level_client = 10 trace_unique_client = on trace_file_client = sqlnet.trc trace_directory_client = <path_to_trace_dir> Server Side Tracing: To enable server side tracing, use the following parameters: trace_level_server = 10 trace_file_server = server.trc trace_directory_server = <path_to_trace_dir> Tracing Levels: The following values can be used for TRACE_LEVEL* parameters:     16 or SUPPORT — WorldWide Customer Support trace information     10 or ADMIN — Administration trace information     4 or USER — User trace information     0 or OFF — no tracing, the default Additional information is readily available via the web.

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• What equipment do real ISP's use?

  - by Allanrbo

  In a dormitory of 550 residents, people often mistakenly set up DHCP servers for the whole network by plugging in their private Wi-Fi routers wrongly. Also recently, someone mistakenly configured their PC to a static IP being the same as that of the default gateway. We use cheap 3Com switches at the moment. I know that Cisco switches support DHCP snooping to solve the DHCP problem, but that still does not solve the default gateway IP takeover problem. What sort of switch equipment do real ISP's use so their customers cannot break the network for the other customers?

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• Load login shell inside user cronjob

  - by sa125

  I'm trying to run a rake task using a scheduled cronjob. My crontab looks something like this: 0 1 * * 1-7 /bin/bash -l -c "cd ~/jobs/rake && rake reports:create >> ~/jobs/logs/cron.log" Ruby on my account is provided by RVM, which is loaded via ~/.bashrc (before the no-interaction check): # load RVM env [[ -s $HOME/.rvm/scripts/rvm ]] && source $HOME/.rvm/scripts/rvm # If not running interactively, don't do anything [ -z "$PS1" ] && return # ... rest of logic Time and again, this task fails to run since RVM isn't loaded when the task is called (uses system's /usr/bin/ruby instead), and gem dependencies are missing. How can I make crontab load my shell environment before executing my scheduled jobs? thanks.

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• Desktop Fun: Moody Skies Wallpapers

  - by Asian Angel

  The sky can personify a multitude of moods and emotions based on its’ appearance. Inspire your own thoughts and feelings with our Moody Skies Wallpaper collection. Note: Click on the picture to see the full-size image—these wallpapers vary in size so you may need to crop, stretch, or place them on a colored background in order to best match them to your screen’s resolution. For more wallpapers be certain to see our great collections in the Desktop Fun section. Similar Articles Productive Geek Tips Windows 7 Welcome Screen Taking Forever? Here’s the Fix (Maybe)Desktop Fun: Starship Theme WallpapersDesktop Fun: Underwater Theme WallpapersDesktop Fun: Starscape Theme WallpapersDesktop Fun: Fantasy Theme Wallpapers TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips HippoRemote Pro 2.2 Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Download Songs From MySpace Steve Jobs’ iPhone 4 Keynote Video Watch World Cup Online On These Sites Speed Up Windows With ReadyBoost Awesome World Cup Soccer Calendar Nice Websites To Watch TV Shows Online

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• Boot linux off hard drive and then switch to run from usb flash disk

  - by Jesse

  I have an older laptop that I want to use as a simple media server on my home network. I would like to avoid using the internal hard drive except for booting (BIOS does NOT support booting from USB). My thought was to mirror the hard drive (currently has current install of Arch Linux) onto the flash drive and then after booting switch over to run everything from the flash drive. I read the following article about using a RAM disk (HOW-TO: Boot OS into RAM for speed and silence) but ran into problem because the USB subsystem does not seem to be initialized soon enough (I create root and home paritions on the flash disk and modified fstab to pick those - didn't work). Any thoughts?

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• Friday Fun: Building Blasters 2

  - by Mysticgeek

  After dealing with unnecessary spreadsheets and TPS reports all week, it’s time to waste time playing a flash game. Today we take a look at Building Blasters 2 where you strategically place explosives to bring down structures. Building Blasters 2 You need to place explosives carefully to clear areas in the red level, keep bystanders safe, and manage your budget. After placing the explosives on the structure, you can set the amount of time that passes before they blow. This comes in handy when you reach advanced levels. When you’re ready to start the demolition click on the Detonate button and watch the buildings fall. If you don’t achieve the objectives, you will get the Demolition Error screen and can replay the level. After you’ve received enough money, you’ll get a message between missions telling you there is enough money to buy items in the shop. You can get enhanced destructive devices such as nitroglycerin, a wrecking ball, call in an air strike and more… If you’re sick of the pointy haired boss dragging you down all week, pretend the structures are the office building and destroy away. Building Blasters 2 is a great way to have fun and let off steam so you can enjoy your weekend. Play Building Blasters 2 For additional fun games to play, make sure and check out the How-To Geek Arcade. Similar Articles Productive Geek Tips Friday Fun: Demolition CityFriday Fun: Cargo BridgeFriday Fun: Portal, the Flash VersionFriday Fun: VehiclesFriday Fun: Play Bubble Quod TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips Xobni Plus for Outlook All My Movies 5.9 CloudBerry Online Backup 1.5 for Windows Home Server Snagit 10 10 Superb Firefox Wallpapers OpenDNS Guide Google TV The iPod Revolution Ultimate Boot CD can help when disaster strikes Windows Firewall with Advanced Security – How To Guides

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• Get Smarter Just By Listening

  - by mark.wilcox

  Occasionally my friends ask me what do I listen/read to keep informed. So I thought I would like to post an update. First - there is an entirely new network being launched by Jason Calacanis called "ThisWeekIn". They have weekly shows on variety of topics including Startups, Android, Twitter, Cloud Computing, Venture Capital and now the iPad. If you want to keep ahead (and really get motivated) - I totally recommend listening to at least This Week in Startups. I also find Cloud Computing helpful. I also like listening to the Android show so that I can see how it's progressing. Because while I love my iPhone/iPad - it's  important to keep the competition in the game up to improve everything. I'm also not opposed to switching to Android if something becomes as nice experience - but so far - my take on Android devices are  - 10 years ago, I would have jumped all over them because of their hackability. But now, I'm in a phase, where I just want these devices to work and most of my creation is in non-programming areas - I find the i* experience better. Second - In terms of general entertaining tech news - I'm a big fan of This Week in Tech. Finally - For a non-geek but very informative show - The Kevin Pollack Show on ThisWeekIn network gets my highest rating. It's basically two-hours of in-depth interview with a wide variety of well-known comedian and movie stars. -- Posted via email from Virtual Identity Dialogue

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• Proxmox 31 + KVM routing + IP subnet + csf

  - by KeyJey

  We have proxmox 3.1 server in netzner with routuing network and IP subnet block. We want to implement csf firewall without interfering the traffic of the KVM VMs, what would be the easiest way? We readed that we should add this lines to /etc/csf/csfpost.sh: iptables -A FORWARD -d 144.76.223.155 -j ACCEPT iptables -A FORWARD -d 144.76.223.156 -j ACCEPT iptables -A FORWARD -d 144.76.223.157 -j ACCEPT iptables -A FORWARD -d 144.76.223.158 -j ACCEPT iptables -A FORWARD -d 144.76.223.159 -j ACCEPT iptables -A FORWARD -d 144.99.183.323 -j ACCEPT But when we enable csf the ping breaks, this is the network config (IPs are modified): auto lo iface lo inet loopback # device: eth0 auto eth0 iface eth0 inet static address 144.76.166.100 netmask 255.255.255.255 pointopoint 144.76.183.97 gateway 144.76.183.97 # for single IPs auto vmbr0 iface vmbr0 inet static address 144.76.166.100 netmask 255.255.255.255 bridge_ports none bridge_stp off bridge_fd 0 up ip route add 144.99.183.323/32 dev vmbr0 # for a subnet auto vmbr1 iface vmbr1 inet static address 144.76.166.100 netmask 255.255.255.248 bridge_ports none bridge_stp off bridge_fd 0 Thanks in advanced ! :)

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• What are the challenges when my enterprise desires to move the processing component of an applicatio

  - by Berkay

  Assume that i have an enterprise accounting application that consists of a front-end interface, a processing tier, and a back-end database. This is an application that contains private business data, and thus is traditionally run in a secure private network environment within the enterprise. What are the challenges that appear when my enterprise desires to move the processing component of this application to a cloud computing data center in order to achieve greater scalability or to reduce IT costs ? Pls note: do i have to make significant changes to my own infrastructure to enable external access to formerly private resources? do i have to modify the application code to handle new network topology ? thanks, if you give your answers in a simple manner, really appreciated.

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• firefox raided?

  - by dschinn1001

  ubuntu 12.10 with firefox 17.0 firefox is now suddenly not starting any more ? (since I tried something with virtualbox and win7 firefox seems to be raided somehow ? - then after next boot virtualbox with win7 did not work any more and had message like here: Premature end of data in tag VirtualBox line 8. Location: '/home/$user/VirtualBox VMs/V12/V12.vbox', line 86 (8), column 2. /home/vbox/vbox-4.2.4/src/VBox/Main/src-server/MachineImpl.cpp[724] (nsresult Machine::registeredInit()). Fehlercode: NS_ERROR_FAILURE (0x80004005) Komponente: Machine Interface: IMachine {22781af3-1c96-4126-9edf-67a020e0e858} ) this happened all - after win7 made an update and virtual hard-disk with size of normally 25 Gibi exceeded to 26.8 Gibi I plugged (when I created virtualbox with win7) usb-hard-disk with 500 Gibi, but somehow win7 was not installed on disk with 500 Gibi - instead only virtual-harddisk with default 25 Gibi was created - and smaller harddisk with maximum of 120 Gibi was restless stuffed out. This created then the problem with "raided" firefox and firefox cannot start any more. After I delelted virtualbox with win7 - there are 12 Gibi free space back on the smaller harddisk - but firefox remains after reboot out-of-function and does not start.

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• Lan, vpn on Amazon EC2, how to?

  The problem is as follows: I have 2 windows2003 server instances running on the cloud. 1) How can I create a local area network from these 2 instances? 2) Assuming that I want to create a VPN network from these 2 instances, how do I do that? (I'm not very good in networking, therefor the above problem description might be incomplete or not very clear.) A detailed answer or clarification would be praised and appreciated! What I tried: 1) Setting up OpenVPN, but I got lost in the process. 2) Creating a VPN from windows2003 server in the following manner: on instance a): set up a dhcp server; set up an "accept income vpn" connection; with the followin tcp ip settings: obtain an ip from the dhcp server; on instance b): created a new vpn connection, tried to connect to intance A, using the instance A static IP but error 806 was thrown, something relate to a GRE protocol.

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• Wireless not detected on an hp Pavilion g6

  - by Earl Larson

  I just bought an HP Pavilion g6 laptop and I installed Natty Narwhal alongside Windows 7. In Windows 7, my WiFi works perfect but in Ubuntu it absolutely (no matter what I do) won't detect my home WiFi network. Here is the output of "lspci": earl@ubuntu:~$ lspci 00:00.0 Host bridge: Advanced Micro Devices [AMD] RS880 Host Bridge 00:01.0 PCI bridge: Advanced Micro Devices [AMD] RS780/RS880 PCI to PCI bridge (int gfx) 00:04.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 0) 00:05.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 1) 00:06.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 2) 00:11.0 SATA controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] 00:12.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:12.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:13.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:13.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 42) 00:14.1 IDE interface: ATI Technologies Inc SB7x0/SB8x0/SB9x0 IDE Controller (rev 40) 00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40) 00:14.3 ISA bridge: ATI Technologies Inc SB7x0/SB8x0/SB9x0 LPC host controller (rev 40) 00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge (rev 40) 00:14.5 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI2 Controller 00:16.0 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB OHCI0 Controller 00:16.2 USB Controller: ATI Technologies Inc SB7x0/SB8x0/SB9x0 USB EHCI Controller 00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor HyperTransport Configuration 00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor Address Map 00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor DRAM Controller 00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor Miscellaneous Control 00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 10h Processor Link Control 01:05.0 VGA compatible controller: ATI Technologies Inc M880G [Mobility Radeon HD 4200] 01:05.1 Audio device: ATI Technologies Inc RS880 Audio Device [Radeon HD 4200] 02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05) 03:00.0 Network controller: Ralink corp. Device 5390 04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5209 (rev 01) earl@ubuntu:~$

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• CARP: two machines think they're the master, but only on one interface

  - by Conor McDermottroe

  I have two machines, each configured identically as a firewall/load balancer for a busy website. I have set them up with CARP and pfsync on both the internal and external interfaces. The internal interface is behaving as expected (primary listed as MASTER and secondary listed as BACKUP) On both machines, the network interfaces are as follows: em0 - External interface bge0 - Internal interface bge1 - Crossover connection between both machines carp0 - Shared external interface for CARP carp1 - Shared internal interface for CARP I've rewritten the IP addresses and MAC addresses below. The networks are as follows: 10.0.1.0/24 - External network 10.0.2.0/24 - Internal network 10.0.3.0/24 - Crossover network Here's the output from ifconfig on the primary: em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=19b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4> ether [SNIP] inet 10.0.1.10 netmask 0xffffff00 broadcast 10.0.1.255 media: Ethernet 100baseTX <full-duplex> status: active bge0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> ether [SNIP] inet 10.0.2.10 netmask 0xffffff00 broadcast 10.0.2.255 media: Ethernet 1000baseT <full-duplex> status: active bge1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> ether [SNIP] inet 10.0.3.10 netmask 0xffffff00 broadcast 10.0.3.255 media: Ethernet 1000baseT <full-duplex> status: active lo0: flags=80c9<UP,LOOPBACK,RUNNING,NOARP,MULTICAST> metric 0 mtu 16384 options=3<RXCSUM,TXCSUM> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4 inet6 ::1 prefixlen 128 inet 127.0.0.1 netmask 0xff000000 pflog0: flags=141<UP,RUNNING,PROMISC> metric 0 mtu 33152 pfsync0: flags=0<> metric 0 mtu 1460 pfsync: syncdev: bge1 syncpeer: 10.0.3.11 maxupd: 128 carp0: flags=49<UP,LOOPBACK,RUNNING> metric 0 mtu 1500 inet 10.0.1.5 netmask 0xffffff00 carp: MASTER vhid 1 advbase 1 advskew 0 carp1: flags=49<UP,LOOPBACK,RUNNING> metric 0 mtu 1500 inet 10.0.2.5 netmask 0xffffff00 carp: MASTER vhid 2 advbase 1 advskew 0 And here's the /etc/rc.conf excerpt from the primary: defaultrouter="10.0.1.1" network_interfaces="em0 bge0 bge1 lo0 pfsync0" cloned_interfaces="carp0 carp1" ifconfig_em0="inet 10.0.1.10 netmask 255.255.255.0 media 100BaseTX mediaopt full-duplex" ifconfig_bge0="inet 10.0.2.10 netmask 255.255.255.0 media 1000BaseTX mediaopt full-duplex" ifconfig_bge1="inet 10.0.3.10 netmask 255.255.255.0 media 1000BaseTX mediaopt full-duplex" ifconfig_carp0="vhid 1 pass [SNIP] 10.0.1.5/24" ifconfig_carp1="vhid 2 pass [SNIP] 10.0.2.5/24" pfsync_enable="YES" pfsync_syncdev="bge1" pfsync_syncpeer="10.0.3.11" And here's the output on the secondary: em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=19b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,TSO4> ether [SNIP] inet 10.0.1.11 netmask 0xffffff00 broadcast 10.0.1.255 media: Ethernet 100baseTX <full-duplex> status: active bge0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> ether [SNIP] inet 10.0.2.11 netmask 0xffffff00 broadcast 10.0.2.255 media: Ethernet 1000baseT <full-duplex> status: active bge1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> ether [SNIP] inet 10.0.3.11 netmask 0xffffff00 broadcast 10.0.3.255 media: Ethernet 1000baseT <full-duplex> status: active lo0: flags=80c9<UP,LOOPBACK,RUNNING,NOARP,MULTICAST> metric 0 mtu 16384 options=3<RXCSUM,TXCSUM> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4 inet6 ::1 prefixlen 128 inet 127.0.0.1 netmask 0xff000000 pflog0: flags=141<UP,RUNNING,PROMISC> metric 0 mtu 33152 pfsync0: flags=0<> metric 0 mtu 1460 pfsync: syncdev: bge1 syncpeer: 10.0.3.10 maxupd: 128 carp0: flags=49<UP,LOOPBACK,RUNNING> metric 0 mtu 1500 inet 10.0.1.5 netmask 0xffffff00 carp: MASTER vhid 1 advbase 1 advskew 20 carp1: flags=49<UP,LOOPBACK,RUNNING> metric 0 mtu 1500 inet 10.0.2.5 netmask 0xffffff00 carp: BACKUP vhid 2 advbase 1 advskew 20 And here's the /etc/rc.conf excerpt from the secondary: defaultrouter="10.0.1.1" network_interfaces="em0 bge0 bge1 lo0 pfsync0" cloned_interfaces="carp0 carp1" ifconfig_em0="inet 10.0.1.11 netmask 255.255.255.0 media 100BaseTX mediaopt full-duplex" ifconfig_bge0="inet 10.0.2.11 netmask 255.255.255.0 media 1000BaseTX mediaopt full-duplex" ifconfig_bge1="inet 10.0.3.11 netmask 255.255.255.0 media 1000BaseTX mediaopt full-duplex" ifconfig_carp0="vhid 1 pass [SNIP] advskew 20 10.0.1.5/24" ifconfig_carp1="vhid 2 pass [SNIP] advskew 20 10.0.2.5/24" pfsync_enable="YES" pfsync_syncdev="bge1" pfsync_syncpeer="10.0.3.10" What I don't understand is, the carp status on carp0 is MASTER on both machines when the status on carp1 is as it should be (MASTER on the primary and BACKUP on the secondary). What am I missing? Where should I be looking for clues?

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