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  • Bind DHCP Server to Network Bridge

    - by Luke
    My wireless router died, so I decided to route everything through my server. So I installed a second NIC and a wireless card to be my new network: 1 NIC to the Modem, 1 NIC to the switch, and the Wireless to... Well, wireless. Anyways, I got far enough to get DHCP to work on just ONE adapter when I used Internet Connection Sharing (I couldn't get RRAS set up for the life of me), then I decided to try bridging the wireless and second NIC. Now, the DHCP server won't bind to the bridge, but I can enter manual IP's in my clients and it'll connect to the Internet. I also tried changing my wireless adapter's IP to 192.168.0.2, and to 192.168.1.1 to try to set up a separate scope, but to no avail. Running Windows Server 2003

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  • Building a Mac/PC Network in a Dorm with Network Restrictions

    - by user70340
    I have been a Windows XP user for the last few years, but I recently bought a 15'' MacBook Pro for research purposes. I would like to set up a no-hassle Mac/PC Network at home so that I can access the internet on both computers and hardware between computers (i.e. a harddrive, or a mouse/keyboard with Synergy). Unfortunately, I live in a dorm with silly network restrictions so a solution is not straightforward. In particular: The dorm has a wired and wireless network, both which provide an internet connection. The wired network provides way faster internet (download speeds of 15 MB/s vs. 2 MB/s on wireless), so I would like to somehow exploit this, at least on my PC for Bittorrent :) Multiple devices can connect to the wireless network, but cannot "see" each other on the network (so software like Synergy would not work). Only 1 MAC address can connect to the wired network at a time. Ideally I would just connect a wireless router to the wired network and then have both the Mac and the PC on that, but the 1 MAC address restriction will not allow the both computer to access the internet simultaneously. I cannot think of a way to bypass this restriction (though I'm not network savvy), so I am planning to create a private no-internet network to allow the devices to see each other and share hardware. Here are some thoughts. I would appreciate any feedback at all! If I build a private wireless network: (first choice) I will use a wireless router that is not connected to the internet. My PC and Mac will be connected to each other wirelessly. I can then connect the PC to the internet via a wired network, but then the Mac will not have internet access as its wireless card is already in use. In this case, could I stream internet access from the PC to the Mac via the wireless network? Or could I buy a USB wireless card for the Mac so that it can connect to both my private network and the dorm network? If I build a private wired network: (second choice) Then both the PC and the Mac will connect to the internet wirelessly, which means I cannot take advantage of the faster download speeds.

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  • Cannot Ping PS3 Using a Wired Connection

    - by Post
    PS3 is using the inbuilt wireless network adapter (I cannot change this) When I try to ping the PS3 from ANY computer which is on a wired ethernet connection, I get Request Timed Out errors. Whenever I ping from a computer with a wireless connection, it works just fine. To be clear: Pinging from Wireless PC to Wireless PS3 works Pinging from Wired PC to Wireless PS3 fails I have tried this on several PC's and Laptops all with the same results. As an attempted solution I have set up static IP's on all related devices. More information: Default Gateway = 192.168.2.1 PS3(wireless) = 192.168.2.100 PC(wired) = 192.168.2.99 Subnet Mask(for both devices, I have made sure) = 255.255.255.0 Thanks

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  • Bluetooth adapter turned from working fine to unrecognized

    - by easoncxz
    i had been using bluetooth fine, with devices working, but today when i turned on my computer again bluetooth strangely failed. there is a bluetooth icon on the top bar, showing "bluetooth on", but if i click on the "bluetooth settings" item, a system settings window shows up and shows me a bluetooth on-off switch which is disabled (i.e. fixed to off). more information about my case: i am a new linux used, coming from windows, and do not know supposedly-obvious commands. i am using a laptop. it initially doesn't have bluetooth. i bought a built-in type (instead of USB type) bluetooth module, and added it inside the laptop. hence, i do not have a specific FN+* key for bluetooth. in windows, i needed to install an additional driver that was intended for other machines in my laptop's seires which have built-in (i.e. factoryly built-in)j bluetooth modules. the Fn+* key seemed to only affect wifi under ubuntu. i have been successfully using magicmouse with my later-added built-in bluetooth module/adapter on both windows and ubuntu i have been trying to tweak the magicmouse scrolling speed with commands rmmod something, modprobe hid_magicmouse --scroll_speed=45 --scroll_acceleration=30 or something, then added a file `/etc/modprobe.d/magicmouse.conf". the mouse seemed to be working fine with these changes. now if i run commands like hcitool dev, the shell tells me that i do not have any "Devices" or "adapters". i seem to have bluez installed, because when i type "blue" then tab-autocomplete, a bunch of commands like bluez-test-device pops up. -- update -- some commands and their results: easoncxz@eason-Aspire-4741-ubuntu:/etc$ hcitool dev Devices: easoncxz@eason-Aspire-4741-ubuntu:/etc$ hcitool scan Device is not available: No such device easoncxz@eason-Aspire-4741-ubuntu:/etc$ rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: acer-wireless: Wireless LAN Soft blocked: no Hard blocked: no 2: acer-bluetooth: Bluetooth Soft blocked: no Hard blocked: no easoncxz@eason-Aspire-4741-ubuntu:/etc$ rfkill list 0: phy0: Wireless LAN Soft blocked: yes Hard blocked: no 1: acer-wireless: Wireless LAN Soft blocked: yes Hard blocked: no 2: acer-bluetooth: Bluetooth Soft blocked: yes Hard blocked: no

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  • How do I ensure my Apple keyboard connects on boot?

    - by Stacey Richards
    I am using Ubuntu 10.04 on a laptop and have an Apple wireless keyboard which pairs fine. Every time I turn my computer off and back on again my keyboard stops working. I have to use the keyboard on my laptop to log in. Once I've logged in, in order to get the wireless keyboard to work, I need disconnect and reconnect it by: Clicking on the Bluetooth icon, select Apple Wireless Keyboard from the drop down menu, then click on Disconnect. Clicking on the Bluetooth icon, select Apple Wireless Keyboard from the drop down menu, then click on Connect. Looking through syslog, to see what's happening during boot, I find: Nov 25 10:29:21 sony kernel: [ 24.525372] apple 0005:05AC:0239.0002: parse failed Nov 25 10:29:21 sony kernel: [ 24.525379] apple: probe of 0005:05AC:0239.0002 failed with error -14 and then later in syslog, once I've disconnected then connected the keyboard, I find: Nov 25 10:30:14 sony bluetoothd[1247]: link_key_request (sba=00:21:4F:49:8A:DB, dba=E8:06:88:5A:E0:D4) Nov 25 10:30:14 sony kernel: [ 79.427277] input: Apple Wireless Keyboard as /devices/pci0000:00/0000:00:1d.2/usb8/8-1/8-1:1.0/bluetooth/hci0/hci0:12/input11 Nov 25 10:30:14 sony kernel: [ 79.427611] apple 0005:05AC:0239.0003: input,hidraw1: BLUETOOTH HID v0.50 Keyboard [Apple Wireless Keyboard] on 00:21:4F:49:8A:DB I can't find anything helpful when Googling "apple: probe of failed with error -14".

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  • Ubuntu sound volume is 40% lower than in Windows

    - by ncomx
    I have 2x 2.1 speakers connected to the computer where I have Ubuntu 12.04 installed. On the software side I've set all the volume controls to 100% with the alsamixer program. The speakers have their own volume control, maintaining those at the same level, and switching between Ubuntu and Windows (XP and 7), on windows the output volume is at least 40% higher, even when having the windows volume control at 50% (without touching the speakers volume control) it's still much higher than the sound on Ubuntu. Why can this be happening? Are there some alternative sound drivers (other than the default ones) I could test to see if it makes a difference? some info about the card: root:$ cat /proc/asound/cards 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xfbff4000 irq 55 1 [Generic ]: HDA-Intel - HD-Audio Generic HD-Audio Generic at 0xfbcfc000 irq 56 root:$ lspci | grep -i audio 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04) 02:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Cayman/Antilles HDMI Audio [Radeon HD 6900 Series] I think the one i am using is the Intel one, the other seems to be from the vga card which is an ati radeon 6950. Running gstreamer-properties and switching between alsa, oss, ossv4 and pulseaudio doesn't seem to make any difference.

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  • Removing broken packages on distro update (13.04 to 13.10)

    - by user203974
    i'm kinda new to linux. last night i tried upgrading from 13.04 to 13.10 but i got the "could not calculate" error. i read this question and found this error in the main log: Dist-upgrade failed: 'E:Unable to correct problems, you have held broken packages.' and here's a list of my broken packages : Broken libwayland-client0:amd64 Conflicts on libwayland0 [ amd64 ] < 1.0.5-0ubuntu1 > ( libs ) (< 1.1.0) Broken libpam-systemd:amd64 Conflicts on libpam-xdg-support [ amd64 ] < 0.2-0ubuntu2 > ( admin ) Broken cups-filters:amd64 Conflicts on ghostscript-cups [ amd64 ] < 9.07~dfsg2-0ubuntu3.1 > ( text ) Broken libharfbuzz0a:amd64 Breaks on libharfbuzz0 [ amd64 ] < 0.9.13-1 > ( libs ) Broken libunity-scopes-json-def-desktop:amd64 Conflicts on libunity-common [ amd64 ] < 6.90.2daily13.04.05-0ubuntu1 > ( gnome ) (< 7.0.7) Broken libunity-scopes-json-def-desktop:amd64 Conflicts on libunity-common [ i386 ] < none > ( none ) (< 7.0.7) Broken libaccount-plugin-generic-oauth:amd64 Conflicts on account-plugin-generic-oauth [ amd64 ] < 0.10bzr13.03.26-0ubuntu1.1 > ( gnome ) (< 0.10bzr13.04.30) Broken libaccount-plugin-generic-oauth:amd64 Breaks on account-plugin-generic-oauth [ amd64 ] < 0.10bzr13.03.26-0ubuntu1.1 > ( gnome ) (< 0.10bzr13.04.30) Broken python3-aptdaemon.pkcompat:amd64 Breaks on libpackagekit-glib2-14 [ amd64 ] < 0.7.6-3ubuntu1 > ( libs ) (<= 0.7.6-4) Broken libsnmp-base:amd64 Breaks on libsnmp15 [ amd64 ] < 5.4.3~dfsg-2.7ubuntu1 > ( libs ) (< 5.7.2~dfsg-5) Broken libunity-core-6.0-8:amd64 Conflicts on unity-common [ amd64 ] < 7.0.0daily13.06.19~13.04-0ubuntu1 > ( gnome ) Broken python3-uno:amd64 Conflicts on python-uno [ amd64 ] < 1:4.0.4-0ubuntu1 > ( python ) Broken unity-scope-home:amd64 Conflicts on unity-lens-shopping [ amd64 ] < 6.8.0daily13.03.04-0ubuntu1 > ( gnome ) Broken xserver-xorg-video-mach64:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken usb-modeswitch-data:amd64 Breaks on usb-modeswitch [ amd64 ] < 1.2.3+repack0-1ubuntu3 > ( comm ) (< 1.2.6) Broken unity-gtk2-module:amd64 Conflicts on appmenu-gtk [ amd64 ] < 12.10.3daily13.04.03-0ubuntu1 > ( libs ) Broken xserver-xorg-video-intel:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-r128:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken unity-gtk3-module:amd64 Conflicts on appmenu-gtk3 [ amd64 ] < 12.10.3daily13.04.03-0ubuntu1 > ( libs ) Broken xserver-xorg-video-nouveau:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-cirrus:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken libbamf3-1:amd64 Depends on bamfdaemon [ amd64 ] < 0.4.0daily13.06.19~13.04-0ubuntu1 -> 0.5.1+13.10.20131011-0ubuntu1 > ( libs ) (= 0.4.0daily13.06.19~13.04-0ubuntu1) Broken bzr-gtk:amd64 Depends on bzr [ amd64 ] < 2.6.0~bzr6571-4ubuntu2 -> 2.6.0-3ubuntu1 > ( devel ) (< 2.6.0) Broken libgphoto2-6-dev:amd64 Conflicts on libgphoto2-2-dev [ amd64 ] < 2.4.14-2 > ( libdevel ) Broken activity-log-manager:amd64 Conflicts on activity-log-manager-common [ amd64 ] < 0.9.4-0ubuntu6.2 > ( utils ) Broken libgjs0d:amd64 Conflicts on libgjs0c [ amd64 ] < 1.34.0-0ubuntu1 > ( libs ) Broken libgtksourceview-3.0-0:amd64 Depends on libgtksourceview-3.0-common [ amd64 ] < 3.6.3-0ubuntu1 -> 3.8.2-0ubuntu1 > ( libs ) (< 3.7) Broken gnome-pie:amd64 Depends on libbamf3-1 [ amd64 ] < 0.4.0daily13.06.19~13.04-0ubuntu1 > ( libs ) Broken libunity-core-6.0-5:amd64 Depends on unity-services [ amd64 ] < 7.0.0daily13.06.19~13.04-0ubuntu1 -> 7.1.2+13.10.20131014.1-0ubuntu1 > ( gnome ) (= 7.0.0daily13.06.19~13.04-0ubuntu1) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-cirrus [ amd64 ] < 1:1.5.2+git20130108.e2bf5b25-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-intel [ amd64 ] < 2:2.99.904+git20131009.b9ad5b62-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-nouveau [ amd64 ] < 1:1.0.9+git20130730.300c5a32-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-r128 [ amd64 ] < 6.9.1+git20130104.24f28a78-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-mach64 [ amd64 ] < 6.9.4+git20130104.80e62cc1-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-mach64:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-intel:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-r128:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-nouveau:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-cirrus:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-cirrus [ amd64 ] < 1:1.5.2+git20130108.e2bf5b25-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-intel [ amd64 ] < 2:2.99.904+git20131009.b9ad5b62-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-nouveau [ amd64 ] < 1:1.0.9+git20130730.300c5a32-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-r128 [ amd64 ] < 6.9.1+git20130104.24f28a78-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-mach64 [ amd64 ] < 6.9.4+git20130104.80e62cc1-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-mach64:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-intel:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-r128:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-nouveau:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-cirrus:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-cirrus [ amd64 ] < 1:1.5.2+git20130108.e2bf5b25-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-r128 [ amd64 ] < 6.9.1+git20130104.24f28a78-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-mach64:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-intel:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-r128:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-nouveau:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-cirrus:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-cirrus [ amd64 ] < 1:1.5.2+git20130108.e2bf5b25-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-intel [ amd64 ] < 2:2.99.904+git20131009.b9ad5b62-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-nouveau [ amd64 ] < 1:1.0.9+git20130730.300c5a32-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-r128 [ amd64 ] < 6.9.1+git20130104.24f28a78-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-mach64 [ amd64 ] < 6.9.4+git20130104.80e62cc1-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-mach64:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-intel:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-r128:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-nouveau:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-cirrus:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-cirrus [ amd64 ] < 1:1.5.2+git20130108.e2bf5b25-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-intel [ amd64 ] < 2:2.99.904+git20131009.b9ad5b62-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-nouveau [ amd64 ] < 1:1.0.9+git20130730.300c5a32-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-r128 [ amd64 ] < 6.9.1+git20130104.24f28a78-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-mach64 [ amd64 ] < 6.9.4+git20130104.80e62cc1-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-mach64:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-intel:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken libxi6:amd64 Breaks on xserver-xorg-core [ amd64 ] < 2:1.13.4~git20130508+server-1.13-branch.10c42f57-0ubuntu0ricotz~raring -> 2:1.14.3-3ubuntu2 > ( x11 ) (< 2:1.14) Broken xserver-xorg-video-ati:amd64 Depends on xserver-xorg-video-mach64 [ amd64 ] < 6.9.4+git20130104.80e62cc1-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-intel:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-r128:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-nouveau:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-cirrus:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-ati [ amd64 ] < 1:7.1.99+git20130730.6a278369-0ubuntu0sarvatt~raring -> 1:7.2.0-0ubuntu10 > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-cirrus [ amd64 ] < 1:1.5.2+git20130108.e2bf5b25-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-intel [ amd64 ] < 2:2.99.904+git20131009.b9ad5b62-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-nouveau [ amd64 ] < 1:1.0.9+git20130730.300c5a32-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-ati:amd64 Depends on xorg-video-abi-13 [ amd64 ] < none > ( none ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-ati [ amd64 ] < 1:7.1.99+git20130730.6a278369-0ubuntu0sarvatt~raring -> 1:7.2.0-0ubuntu10 > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-cirrus [ amd64 ] < 1:1.5.2+git20130108.e2bf5b25-0ubuntu0sarvatt > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-intel [ amd64 ] < 2:2.99.904+git20131009.b9ad5b62-0ubuntu0sarvatt~raring > ( x11 ) Broken xserver-xorg-video-all:amd64 Depends on xserver-xorg-video-nouveau [ amd64 ] < 1:1.0.9+git20130730.300c5a32-0ubuntu0sarvatt~raring > ( x11 ) thats a lot of stuff ... do i have to remove them one by one ? will removing them caues any issue ? do i have to install them one by one again after the upgrade ?

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  • Why does Perl's Crypt::SSLeay timeout on Intel Mac OS X machines?

    - by Joe
    A have a Perl cron job that recently started having its HTTPS connections start failing with an error of "500 SSL read timeout". I've tracked that the error is being thrown as part of an alarm in Crypt::SSLeay, but I don't know if this is simply something taking too long to respond. So far, I've adjusted the timeout from the default 30 seconds to 10 minutes and it still times out. I've moved the script to other machines, and those on Intel Mac OS X systems all time out, while those under Linux, or on PPC Mac OS X systems run fine, so I don't think it's changes on the network or remote server. When the process started having problems does not coincide with any software updates or reboots on the machine, and I've contacted the server I'm connecting to, and everyone claims that they haven't changed anything. Does anyone have recommendations on trying to debug HTTPS, or have you ever seen this behavior and give recommendations on something I might've overlooked at that could've caused this problem?

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  • Single Sign On 802.1x Wireless - saying “Connecting to <SSID>”, hangs for 10 seconds, fails with “Unable to connect to <SSID>, Logging on…”.

    - by Phaedrus
    We are implementing WiFi on Windows 7 machines in our corporate environment. Machines should be able to log into the domain by WiFi as the Machine (Pre-Logon), and as the User (Post-Logon). We have everything working correctly except for 2 things: 1) Sometimes the login scripts don't run 2) The user VLAN is sometimes different than the machine vlan, and no DHCP renew occurs after user logon. I am clear that both these problems should be fixable by using the "Single Sign On" Option under the 802.1x Wireless Vista GPO, and setting the wireless to connect immediately before user logon and also by enabling "This network uses different VLAN for authentication with machine and user credentials" If I enable these GPO settings in a lab, the computer does authenticate & gets WIFI before the user logs on, so when the login box is displayed, it says “Windows will try to connect to ”, even though it is already connected (which should be ok?). Enter the user credentials and it goes to a screen saying “Connecting to ”, hangs for 10 seconds, fails with “Unable to connect to , Logging on…”. Desktop fires up and then the user re-authenticates with no problem as himself instead of the machine, but by that point, we defeat the point of the WiFi SSO “before user logon”. Also by that point, no DHCP renew seems to occur, and the user is still stuck with the wrong IP address for the new VLAN. When the “Connecting to ” screen comes up, there’s no indication on the AP or the Radius server that anything whatsoever is happening after credentials are entered until after the domain logon. Also with this policy enabled, sometimes windows hangs on a black screen indefinitely until I disable the Wireless NIC, so something is knackered for sure. What have I missed? Suggestions are much appreciated... /P

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  • Error in connecting Eclipse to SQL Server

    - by user3721900
    This is the syntax error Jun 10, 2014 5:15:51 PM org.apache.catalina.core.AprLifecycleListener init INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files (x86)\Java\jre7\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files (x86)/Java/jre7/bin/client;C:/Program Files (x86)/Java/jre7/bin;C:/Program Files (x86)/Java/jre7/lib/i386;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Program Files (x86)\AMD APP\bin\x86_64;C:\Program Files (x86)\AMD APP\bin\x86;C:\Program Files\Common Files\Microsoft Shared\Windows Live;C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Windows Live\Shared;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Microsoft\Web Platform Installer\;C:\Program Files (x86)\Microsoft ASP.NET\ASP.NET Web Pages\v1.0\;C:\Program Files (x86)\Windows Kits\8.0\Windows Performance Toolkit\;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files (x86)\Microchip\MPLAB C32 Suite\bin;C:\Program Files\Java\jdk1.7.0_25\bin;C:\Program Files (x86)\Java\jdk1.7.0_03\bin;c:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\;c:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\;c:\Program Files\Microsoft SQL Server\100\Tools\Binn\;c:\Program Files (x86)\Microsoft SQL Server\100\DTS\Binn\;c:\Program Files\Microsoft SQL Server\100\DTS\Binn\;C:\Program Files (x86)\Google\google_appengine\;C:\Users\Patrick\Desktop\2013-2014 2nd Sem Files\Eclipsee\eclipse;;. Jun 10, 2014 5:15:51 PM org.apache.tomcat.util.digester.SetPropertiesRule begin WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:B2B' did not find a matching property. Jun 10, 2014 5:15:51 PM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["http-bio-8080"] Jun 10, 2014 5:15:51 PM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["ajp-bio-8009"] Jun 10, 2014 5:15:51 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 544 ms Jun 10, 2014 5:15:51 PM org.apache.catalina.core.StandardService startInternal INFO: Starting service Catalina Jun 10, 2014 5:15:51 PM org.apache.catalina.core.StandardEngine startInternal INFO: Starting Servlet Engine: Apache Tomcat/7.0.42 Jun 10, 2014 5:15:52 PM org.apache.coyote.AbstractProtocol start INFO: Starting ProtocolHandler ["http-bio-8080"] Jun 10, 2014 5:15:52 PM org.apache.coyote.AbstractProtocol start INFO: Starting ProtocolHandler ["ajp-bio-8009"] Jun 10, 2014 5:15:52 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 374 ms com.microsoft.sqlserver.jdbc.SQLServerException: Incorrect syntax near '`'. This is my code package b2b.fishermall; public class ConnectionString extends SqlStringCommands { public String getDriver(){ return "com.microsoft.sqlserver.jdbc.SQLServerDriver"; } public String getURL() { return "jdbc:sqlserver://localhost:1433;databaseName=B2B;integratedSecurity=true;"; } public String getUsername() { return ""; } public String getDbPassword() { return ""; } }

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  • "This CPU is not compatible with 64-bit mode." - Installing Windows 7 Ultimate 64-bit on a netbook with a 64-bit Intel Atom CPU

    - by galacticninja
    I tried installing Windows 7 Ultimate SP 1, 64-bit on a netbook (Lenovo IdeaPad S110), which has the Intel Atom N2800 (1.86 GHz) as its processor, but I get the following error message when the Windows 7 installation DVD is loading: It says "Attempting to load a 64-bit application, however this CPU is not compatible with 64-bit mode". The Intel Atom N2800 is a 64-bit CPU according to its webpage. I am wondering why the Windows 7 installer shows this error message, despite this. Is there something I must configure first before installing Windows 7, 64-bit? Or is the netbook not compatible with a 64-bit OS? I am trying to format the netbook and install Windows 7 Ultimate 64-bit, instead. Other details: The netbook has 2 GB RAM. The netbook initially had Windows 7 Starter (32-bit) installed.

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  • Sun Fire X4800 M2 Posts World Record x86 SPECjEnterprise2010 Result

    - by Brian
    Oracle's Sun Fire X4800 M2 using the Intel Xeon E7-8870 processor and Sun Fire X4470 M2 using the Intel Xeon E7-4870 processor, produced a world record single application server SPECjEnterprise2010 benchmark result of 27,150.05 SPECjEnterprise2010 EjOPS. The Sun Fire X4800 M2 server ran the application tier and the Sun Fire X4470 M2 server was used for the database tier. The Sun Fire X4800 M2 server demonstrated 63% better performance compared to IBM P780 server result of 16,646.34 SPECjEnterprise2010 EjOPS. The Sun Fire X4800 M2 server demonstrated 4% better performance than the Cisco UCS B440 M2 result, both results used the same number of processors. This result used Oracle WebLogic Server 12c, Java HotSpot(TM) 64-Bit Server 1.7.0_02, and Oracle Database 11g. This result was produced using Oracle Linux. Performance Landscape Complete benchmark results are at the SPEC website, SPECjEnterprise2010 Results. The table below compares against the best results from IBM and Cisco. SPECjEnterprise2010 Performance Chart as of 3/12/2012 Submitter EjOPS* Application Server Database Server Oracle 27,150.05 1x Sun Fire X4800 M2 8x 2.4 GHz Intel Xeon E7-8870 Oracle WebLogic 12c 1x Sun Fire X4470 M2 4x 2.4 GHz Intel Xeon E7-4870 Oracle Database 11g (11.2.0.2) Cisco 26,118.67 2x UCS B440 M2 Blade Server 4x 2.4 GHz Intel Xeon E7-4870 Oracle WebLogic 11g (10.3.5) 1x UCS C460 M2 Blade Server 4x 2.4 GHz Intel Xeon E7-4870 Oracle Database 11g (11.2.0.2) IBM 16,646.34 1x IBM Power 780 8x 3.86 GHz POWER 7 WebSphere Application Server V7 1x IBM Power 750 Express 4x 3.55 GHz POWER 7 IBM DB2 9.7 Workgroup Server Edition FP3a * SPECjEnterprise2010 EjOPS, bigger is better. Configuration Summary Application Server: 1 x Sun Fire X4800 M2 8 x 2.4 GHz Intel Xeon processor E7-8870 256 GB memory 4 x 10 GbE NIC 2 x FC HBA Oracle Linux 5 Update 6 Oracle WebLogic Server 11g Release 1 (10.3.5) Java HotSpot(TM) 64-Bit Server VM on Linux, version 1.7.0_02 (Java SE 7 Update 2) Database Server: 1 x Sun Fire X4470 M2 4 x 2.4 GHz Intel Xeon E7-4870 512 GB memory 4 x 10 GbE NIC 2 x FC HBA 2 x Sun StorageTek 2540 M2 4 x Sun Fire X4270 M2 4 x Sun Storage F5100 Flash Array Oracle Linux 5 Update 6 Oracle Database 11g Enterprise Edition Release 11.2.0.2 Benchmark Description SPECjEnterprise2010 is the third generation of the SPEC organization's J2EE end-to-end industry standard benchmark application. The SPECjEnterprise2010 benchmark has been designed and developed to cover the Java EE 5 specification's significantly expanded and simplified programming model, highlighting the major features used by developers in the industry today. This provides a real world workload driving the Application Server's implementation of the Java EE specification to its maximum potential and allowing maximum stressing of the underlying hardware and software systems. The workload consists of an end to end web based order processing domain, an RMI and Web Services driven manufacturing domain and a supply chain model utilizing document based Web Services. The application is a collection of Java classes, Java Servlets, Java Server Pages, Enterprise Java Beans, Java Persistence Entities (pojo's) and Message Driven Beans. The SPECjEnterprise2010 benchmark heavily exercises all parts of the underlying infrastructure that make up the application environment, including hardware, JVM software, database software, JDBC drivers, and the system network. The primary metric of the SPECjEnterprise2010 benchmark is jEnterprise Operations Per Second ("SPECjEnterprise2010 EjOPS"). This metric is calculated by adding the metrics of the Dealership Management Application in the Dealer Domain and the Manufacturing Application in the Manufacturing Domain. There is no price/performance metric in this benchmark. Key Points and Best Practices Sixteen Oracle WebLogic server instances were started using numactl, binding 2 instances per chip. Eight Oracle database listener processes were started, binding 2 instances per chip using taskset. Additional tuning information is in the report at http://spec.org. See Also Oracle Press Release -- SPECjEnterprise2010 Results Page Sun Fire X4800 M2 Server oracle.com OTN Sun Fire X4270 M2 Server oracle.com OTN Sun Storage 2540-M2 Array oracle.com OTN Oracle Linux oracle.com OTN Oracle Database 11g Release 2 Enterprise Edition oracle.com OTN WebLogic Suite oracle.com OTN Disclosure Statement SPEC and the benchmark name SPECjEnterprise are registered trademarks of the Standard Performance Evaluation Corporation. Sun Fire X4800 M2, 27,150.05 SPECjEnterprise2010 EjOPS; IBM Power 780, 16,646.34 SPECjEnterprise2010 EjOPS; Cisco UCS B440 M2, 26,118.67 SPECjEnterprise2010 EjOPS. Results from www.spec.org as of 3/27/2012.

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  • Can the Intel C600-series SAS controller RAID SATA drives?

    - by CyberShadow
    (Sorry if this is off-topic - technically this is a home workstation setting, but is regarding mostly-server technology.) I have a GA-X79S-UP5-WIFI motherboard and four ST3000DM001 drives, and the IRST manager isn't letting me put the drives in a RAID (it lists them, but the option to select the C600-series controller is simply grayed out). Have I done a mistake? Do I need SAS drives to RAID them on the SAS controller?

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  • PC to USB transfer slow

    - by Vipin Ms
    I'm having trouble with USB transfer,not with external hard disk. Transfer starts with like, for the transfer of 700MB file it starts with 30mb/s and towards the end it stops at 0s and stays put for like 3-4 mins to transfer the last bit. I have tried different USB devices, but no luck. Is it a bug? Another important point is, in Kubuntu there is no such issue. So is it something related to Gnome? I'm using Ubuntu 11.10 64bit. Somebody please help, it's really annoying. Here are the details. PC all of my drives are in ext4. USB I tried ext3,ntfs and fat32. All having the same problem. Here are my USB controllers details: root@LAB:~# lspci|grep USB 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) 00:1d.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) Here is an example of one transfer. I connected one of my 4GB usb device. Nov 24 12:01:25 LAB kernel: [ 1175.082175] userif-2: sent link up event. Nov 24 12:01:25 LAB kernel: [ 1695.684158] usb 2-2: new high speed USB device number 3 using ehci_hcd Nov 24 12:01:25 LAB mtp-probe: checking bus 2, device 3: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-2" Nov 24 12:01:26 LAB mtp-probe: bus: 2, device: 3 was not an MTP device Nov 24 12:01:26 LAB kernel: [ 1696.132680] usbcore: registered new interface driver uas Nov 24 12:01:26 LAB kernel: [ 1696.142528] Initializing USB Mass Storage driver... Nov 24 12:01:26 LAB kernel: [ 1696.142919] scsi4 : usb-storage 2-2:1.0 Nov 24 12:01:26 LAB kernel: [ 1696.143146] usbcore: registered new interface driver usb-storage Nov 24 12:01:26 LAB kernel: [ 1696.143150] USB Mass Storage support registered. Nov 24 12:01:27 LAB kernel: [ 1697.141657] scsi 4:0:0:0: Direct-Access SanDisk U3 Cruzer Micro 8.02 PQ: 0 ANSI: 0 CCS Nov 24 12:01:27 LAB kernel: [ 1697.168827] sd 4:0:0:0: Attached scsi generic sg2 type 0 Nov 24 12:01:27 LAB kernel: [ 1697.169262] sd 4:0:0:0: [sdb] 7856127 512-byte logical blocks: (4.02 GB/3.74 GiB) Nov 24 12:01:27 LAB kernel: [ 1697.169762] sd 4:0:0:0: [sdb] Write Protect is off Nov 24 12:01:27 LAB kernel: [ 1697.169767] sd 4:0:0:0: [sdb] Mode Sense: 45 00 00 08 Nov 24 12:01:27 LAB kernel: [ 1697.171386] sd 4:0:0:0: [sdb] No Caching mode page present Nov 24 12:01:27 LAB kernel: [ 1697.171391] sd 4:0:0:0: [sdb] Assuming drive cache: write through Nov 24 12:01:27 LAB kernel: [ 1697.173503] sd 4:0:0:0: [sdb] No Caching mode page present Nov 24 12:01:27 LAB kernel: [ 1697.173510] sd 4:0:0:0: [sdb] Assuming drive cache: write through Nov 24 12:01:27 LAB kernel: [ 1697.175337] sdb: sdb1 After that I initiated one transfer. lsof -p 3575|tail -2 mv 3575 root 3r REG 8,8 1719599104 4325379 /media/Misc/The Tree of Life (2011) DVDRip XviD-MAXSPEED/The Tree of Life (2011) DVDRip XviD-MAXSPEED www.torentz.3xforum.ro.avi mv 3575 root 4w REG 8,17 1046347776 15 /media/SREE/The Tree of Life (2011) DVDRip XviD-MAXSPEED/The Tree of Life (2011) DVDRip XviD-MAXSPEED www.torentz.3xforum.ro.avi Here are the total time spent on that transfer. root@LAB:/media/SREE# time mv /media/Misc/The\ Tree\ of\ Life\ \(2011\)\ DVDRip\ XviD-MAXSPEED/ /media/SREE/ real 11m49.334s user 0m0.008s sys 0m5.260s root@LAB:/media/SREE# df -T|tail -2 /dev/sdb1 vfat 3918344 1679308 2239036 43% /media/SREE /dev/sda8 ext4 110110576 60096904 50013672 55% /media/Misc Do you think this is normal?? Approximately 12 minutes for 1.6Gb transfer? Thanks.

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  • Buyers question: Have intel AES-NI already been integrated in IPSEC stacks?

    - by deploymonkey
    Dear serverfault, I need to decide between deploying Opteron 6100 and Xeon Westmere EP, so I regard this a platform question. If not, it may be moved to stackoverflow and I hereby declare that I am very sorry. Do any (F)OSS or proprietory IPSEC stacks already use the AES-NI functions of the Westmere-EP? Thanks a bundle! ps. If anyone would like to create the tag AES-NI, You're welcome. I couldn't due to lack of rep.

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  • Bad Intel DQ965GF motherboard? Fails memtest, but memory is good.

    - by Boden
    I've got a machine with a DQ965GF motherboard. Two days ago it started locking up hard. Ran memtest 3.3, 1.7, and TestMem 4. TestMem just freezes, memtest failed on moving 8 bit inversions. Letting memtest run eventually causes the system to restart. I pulled memory sticks one by one, and then replaced the memory with a couple of known good sticks. No luck. I switched power supplies, didn't help. Swapped video cards just to be safe. No help. When I start the machine I get a single beep before it POSTs. According to the manual, a single beep means: 1 beep - Refresh Error (with nothing on the screen and it is not a video problem) I'm assuming that the motherboard has failed since it's obviously not a RAM or power issue. Do you agree? NOTE: I also tried resetting BIOS defaults, and even flashed the BIOS to the latest version. I also ran the Mersenne Prime Test and the CPU seems to click along just fine. (Tried logging in to superuser with openid but it's not working for me today. Hope this gets through)

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  • Duplicate GET request from multiple IPs - can anyone explain this?

    - by dwq
    We've seen a pattern in our webserver access logs which we're having problem explaining. A GET request appears in the access log which is a legitimate, but private, url as part of normal e-commerce website use (by private, we mean there is a unique key in a url form variable generated specifically for that customer session). Then a few seconds later we get hit with an identical request maybe 10-15 times within the space of a second. The duplicate requests are all from different IP addresses. The UserAgent for the duplicates are all the same (but different from the original request). The reverse DNS lookup on the IPs for all the duplicates requests resolve to the same large hosting company. Can anyone think of a scenario what would explain this? EDIT 1 Here's an example that's probably anonymised beyond being any actual use, but it might give an idea of the sort of pattern we're seeing (it's from a search query as they sometimes get duplicated too): xx.xx.xx.xx - - [21/Jun/2013:21:42:57 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "http://www.ourdomain.com/index.html" "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)" xx.xx.xx.xx - - [21/Jun/2013:21:43:03 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" xx.xx.xx.xx - - [21/Jun/2013:21:43:03 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" xx.xx.xx.xx - - [21/Jun/2013:21:43:04 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" xx.xx.xx.xx - - [21/Jun/2013:21:43:04 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" xx.xx.xx.xx - - [21/Jun/2013:21:43:04 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" xx.xx.xx.xx - - [21/Jun/2013:21:43:04 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" xx.xx.xx.xx - - [21/Jun/2013:21:43:04 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" xx.xx.xx.xx - - [21/Jun/2013:21:43:04 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" xx.xx.xx.xx - - [21/Jun/2013:21:43:04 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" xx.xx.xx.xx - - [21/Jun/2013:21:43:04 +0100] "GET /search.html?search=widget&Submit=Search HTTP/1.0" 200 5475 "" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_7) AppleWebKit/534.30 (KHTML, like Gecko) Chrome/12.0.742.91 Safari/534.30" UPDATE 2 Sometimes it is part of a checkout flow that's duplicated to I'd think twitter is unlikely.

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  • Intel PRO/1000 Server NIC on Windows latency. How to measure?

    - by Bobb
    Please note - this question is about latency of the card itself. Not latency of internet or anything else. Thank you for your attention on this matter. It is often said that good server NIC does make difference compared to low grade cards and on-board Ethernet chips. I understand that on-board chip will likely consume CPU time and stand-alone card would use its own chip. Also server card would be faster than low-grade card. Are these 2 facts explaining most of the server cards advantages over on-board and low-grade cards ethernet? How would you measure latency on the card itself? I saw some reports stating some microseconds figures of NIC latency but I dont see how to measure that... Any advise will be appreciated.

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  • How can one create a bootable linux usb key that works on Mac (Intel 64 bit CPU) hardware ?

    - by user3621
    Hi, I'm trying to create a bootable usb key with linux (debian) and that can be booted on Macintel hardware. I have read that MAC's EFI can only boot GPT GUID formatted disks. I'm desperately trying to find a good tutorial which explains how to create such a key. Here what I have done so far: create a GUID partition on te key using linux GNU parted create a HFS+ or ext3 partition on the key, with the boot flag on install a linux .iso with unetbootin While all steps were successfull and in some cases I could even boot on a PC, the step of booting on Macintel software failed (on a macbook). I need to precise that I holded the "alt" key while booting the mac and the only visible bootable disk was the hard disk. Thanks for any advice. PS: I have tried with rEFIt as well. In one case I had a "windows" icon but it then failed to boot with a message like "no system found"

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  • How do i tell if my drivers are up to date on Acer?

    - by joe
    Hoping some kind souls can help me out ? I got a blue screen the other day after trying to load sandboxie. So its obviously conflicting with something. I checked if my drivers were up to date on my acer aspire one AOD270 on this intel based site; http://www.drivermanager.com/en/down...tel&Logo=intel Its showing i have 2 drivers that need updating ; Intel NM10 Express chipset and the Realtek PCIE Cardreader. I have no idea whether to do the update via the Intel Driver update site or the Acer drivers download page? I then ran Bluescreenview and on the dump file its showing ; ''caused by driver'' igdkmd32.sys ''file description'' Intel (R) WDDM Kernel mode driver ''product name''Intel Graphics Accelerator Drivers for Windows 7(R) I bought the laptop here in SE Asia about a year ago. The ''HOT!! NEW download tool'' on the acer drivers site (below) doesnt seem to work and the info about removing and installing drivers is limited. Not sure what to trust on non acer/manufacturer sites. http://support.acer.com/us/en/produc...1&modelId=4040 I've located the igdkmd32.sys file inside the INTEL GRAPHICS MEDIA ACCELERATOR 3600 SERIES 8.14.8.1064. When i click on ''update driver'' in control panel it searches and says its up to date. In windows maintenance it says this intel had a problem, but no solution. For all i know my drivers could be up to date and its something else. Can anybody advise a dummy step by step the process i should follow ? I've never done this before. eg do i delete the old driver first and then download the new one.how much of a problem i could cause by downloading this type of thing wrongly? As yet i havent downloaded any drivers. I've asked on other forums but no luck as yet. Thanks for any help!

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  • Any program to help me check whether an ethernet channel can support full-length VLAN packet?

    - by Jimm Chen
    Sometimes, I have to face such a situation that I need to quickly and explicitly know whether a full length VLAN packet can traverse between two RJ45 ports. Yes, I mean 802.1Q ethernet frame with Etype=81 00 (diagram below). What I can do now is: Get two Windows PCs, for each PC, intall Intel Gigabit NIC and Intel specific driver to create a virtual NIC, with VLAN ID=3 assigned. Then connect the two PCs to each of the two RJ45 port. Finally execute ping to generate a full-length ethernet packet. ping -f -l 1472 <dest-IP> This way, I can be sure that the sent packet has the maximum "IP data payload" of 1500 bytes(8 bytes of ICMP header and 1472 bytes of ICMP data). If the ping gets reply, I know that the ethernet channel support full-length VLAN packet. From my experiment, some home switch or broad band routers(e.g. Linksys WRT54G) does not support full-length VLAN packet switching, so only ping -f -l 1468 succeeds. You see, I have to use an expensive Intel NIC to carry on that test, quite inconvenient. You know, for most laptop today, they do not equip an Intel NIC, and, even it is an Intel NIC, Intel VLAN driver, Intel has limitations on the models on which VLAN driver can be installed. So, my question is: Is there a small program that can let me send a full-length VLAN packet without installing a dedicated VLAN driver? Or better, the program has a stock feature that does the very job for my situation. Windows programs preferred, Linux solution welcome. Simpler the program, the better. Thank you.

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  • Hyper-V with multiple physical networks

    - by Yaman
    I have Hyper-V on my laptop with a wireless and Ethernet card, sometimes I connect using wireless card, and sometimes using the Ethernet cable. I am trying to configure Hyper-v to work always with internet provided to virtual machine. I have tried to create 2 virtual switches, one external to the Wireless network card, and the other one external to the Ethernet card. What happens is that the wireless network creates a bridge object in the network and sharing center\Network connections of windows 8, while the Ethernet does not. Unfortunately, they do not work together as external, i have to set the connected one to external and the other one as external, I also have to go to the properties of the bridge and virtual Ethernet properties to uncheck and check some components like: Client for Microsoft Networks Deterministic Network Enhancer VMWare Bridge Protocol QoS Packet Scheduler File and Printer Sharing for Microsoft Networks In order to make things work. Sometimes I keep the wireless network switch external, and go to another location (another wireless network), and it disconnects, i have to reconfigure the switches. Is there a way to do the configuration once and remain working wherever I connect, whether its Wireless or Ethernet and on any network with DHCP?

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  • Can't connect to wi-fi hotspot in Ubuntu 11.10

    - by ht3t
    I'm new to Ubuntu. I'm having a wireless network problem in Ubuntu 11.10. I made a hotspot using Connectify from a computer which is running Windows 7. I can access it in Windows 7 but not in Ubuntu 11.10. Every time I access it,I get a message "disconnected". I'm using msi fx 400 notebook with Intel Centrino wireless -N 1000 wireless card. Ubuntu version is 11.10 with KDE desktop. $ sudo lshw -c network [sudo] password for ht3t: *-network description: Wireless interface product: Centrino Wireless-N 1000 vendor: Intel Corporation physical id: 0 bus info: pci@0000:06:00.0 logical name: wlan0 version: 00 serial: 00:26:c7:56:b8:f0 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlagn driverversion=3.0.0-12-generic firmware=39.31.5.1 build 35138 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn resources: irq:44 memory:e7400000-e7401fff *-network description: Ethernet interface product: RTL8111/8168B PCI Express Gigabit Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:07:00.0 logical name: eth0 version: 06 serial: 40:61:86:b6:b1:a2 size: 100Mbit/s capacity: 1Gbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list 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/rtl8168e-2.fw IP=192.168.21.107 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s resources: irq:41 ioport:9000(size=256) memory:e6004000-e6004fff memory:e6000000-e6003fff I can't do anything without internet connection. How can I fix this?

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