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• Corrupted attachments in Thunderbird forward filter

  - by Guandalino

  I created a filter in Thunderbird 14 on client A that, when a certain rule on incoming mail is satisfied, the same mail is forwarded to client B and C. Matching mails received from A are always forwarded to B and C, and that's what I want. Though, when the mail on A has an attachment, it is also forwarded by B and C but the file they receive is corrupted. In my case the incoming file on A is a Word file of about 10kb in size; clients B and C receive a Word file of 27 bytes. I think this could happen because the forward starts from A when the attachment is not yet completely downloaded. I'm not sure this is the cause, though. And I wouldn't have any idea for a fix. Any idea about how to investigate or solve the issue?

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• User reduced LVM logical volume without resizing filesystem

  - by Matthew

  I received an email yesterday that one of our users was trying to make room for a heartbeat/clustering package which requires its own partition to act as a voting disk. To do this, he attempted to reduce the size of the root partition's logical volume, and then create a new logical volume for this purpose. However, he forgot to resize the filesystem first (or include the -r switch in the command). He also forgot to unmount the root partition by running this process from a rescue cd. The system is now refusing to boot into the OS with the following error: Either the superblock or the partition table is likely to be corrupt! Unexpected Inconsistency; run fsck manually. The system them drops the user into single user mode. Is it possible to rescue the filesystem, or is it hosed? Its running ext3.

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• Video lags/freezes in SMPlayer and VLC

  - by RanRag

  When I try to play my video files in SMPlayer it works fine but as soon as I switch to fullscreen mode(16:9) following thing happens: 1) Video starts lagging. 2) Audio and video goes out of sync. 3) CPU usage rises to ~50%. 4) SMPlayer starts to hang. My current SMPlayer configuration: 1)Video Output Driver = x11(slow) 2)Audio Output Driver = alsa(0.0-HDA Intel) 3)Cache = 8192 KB 4)Threads for decoding(MPEG-1/2 and H.264 only = 2 Things I tried solve this problem: 1) Tried changing video o/p driver to xv,gl. 2) Tried changing audio o/p driver to pulse. 3) Tried increasing cache size and also tried using nocache. Everything works fine on windows but I don't want to switch to windows just to play video files. My system config: Acer Aspire One D270 Atom N2600(Cedar Trail) 1.6GHz 2GB Memory Intel GMA 3600 graphics. Ubuntu 12.04 Kernel Release: 3.2.0-23-generic-pae Rest all things are working fine I have no resolution issue, bluetooth, wireless also working fine. Just ask me to submit any other log file I will be happy to post. SMPlayer log MPlayer Terminal output Codec Information(currently playing file):

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• Function calls to calls in windows api

  - by Apeee

  I am a beginner, and learning C, I find it hard to grasp the whole programming concept. so hopefully this would help to clear up some things along the way. When programming in windows, which is my aim for the time being, it is really hard for me to understand how windows communicate with the programs that run on it. A question i have been pondering about is how when you incorporate a function call which is in another memory location on the disk or memory(not a function you yourself wrote and is included in the compilation), especially the windows API, does the compiler know where the function location is so when the program is run it can call that function? For example, a very simple program that displays a window which reads hello world. You would have to call windows API functions to achieve such features as creating the window, its size, colors and so on... So basically what I am struggling to grasp is how the programs I write communicate with the platform, framework they are run on(generally windows for Windows API). Apart from clarification on this one above, i would love a resource that explains this concept further. Thanks for your time!

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• How do I mount a CIFS share via FSTAB and give full RW to Guest

  - by Kendor

  I want to create a Public folder that has full RW access. The problem with my configuration is that Windows users have no issues as guests (they can RW and Delete), my Ubuntu client can't do the same. We can only write and read, but not create or delete. Here is the my smb.conf from my server: [global] workgroup = WORKGROUP netbios name = FILESERVER server string = TurnKey FileServer os level = 20 security = user map to guest = Bad Password passdb backend = tdbsam null passwords = yes admin users = root encrypt passwords = true obey pam restrictions = yes pam password change = yes unix password sync = yes passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . add user script = /usr/sbin/useradd -m '%u' -g users -G users delete user script = /usr/sbin/userdel -r '%u' add group script = /usr/sbin/groupadd '%g' delete group script = /usr/sbin/groupdel '%g' add user to group script = /usr/sbin/usermod -G '%g' '%u' guest account = nobody syslog = 0 log file = /var/log/samba/samba.log max log size = 1000 wins support = yes dns proxy = no socket options = TCP_NODELAY panic action = /usr/share/samba/panic-action %d [homes] comment = Home Directory browseable = no read only = no valid users = %S [storage] create mask = 0777 directory mask = 0777 browseable = yes comment = Public Share writeable = yes public = yes path = /srv/storage The following FSTAB entry doesn't yield full R/W access to the share. //192.168.0.5/storage /media/myname/TK-Public/ cifs rw 0 0 This doesn't work either //192.168.0.5/storage /media/myname/TK-Public/ cifs rw,guest,iocharset=utf8,file_mode=0777,dir_mode=0777,noperm 0 0 Using the following location in Nemo/Nautilus w/o the Share being mounted does work: smb://192.168.0.5/storage/ Extra info. I just noticed that if I copy a file to the share after mounting, my Ubuntu client immediately make "nobody" be the owner, and the group "no group" has read and write, with everyone else as read-only. What am I doing wrong?

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• Mirroring MySQL server with diffrent configuration

  - by HTF

  I have to migrate MySQL server to a different data centre so I would like to create another MySQL slave server in new DC and then promote it to a master later on. I previously used LVM snapshots and Percona Xtrabackup for this purpose but this time I've optimized MySQL configuration file that prevents me from using these methods. Old server (backup): innodb_log_file_size = 256M innodb_log_files_in_group = 3 New server (restore): innodb_log_file_size = 512M innodb_log_files_in_group = 2 The Xtrabackup script and LVM snapshots copy the whole directory structure so the MySQL server won't start because there is a different size for InnoDB logs. Is there any solution to avoid a downtime in this case? I can't use mysqldumps as there is around 8000 databases so I would have to take the server down for a couple of hours. I was also thinking to use the old settings with Xtrabackup and then change it once the new server is promoted to a master - less downtime but I'm not sure if this will work? Thank you Regards

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• Internet Timeouts with TP-Link TL-WN821N v2 wireless usb stick

  - by user1622959

  A short time after accessing the internet, the browser/download times out. Before the timeout, the internet works OK briefly; afterwards, the wireless is still connected with a strong signal, but every internet access results in a timeout. When I leave the PC for a while, the internet is back just to timeout again as soon as I start using it. The same happens when I reconnect to the router. Also, when I surf the internet, it takes a couple of minutes until the timeout, but when I download something, it times out in a matter of seconds. The wireless adapter works just fine in Windows and internet via ethernet cable works just fine in Ubuntu. Does anyone have the same problem or knows a solution. I use Ubuntu 12.10 x64. The problem occurs since I installed ubuntu (which was a few days ago). Here some stuff that might be usefull: serus@serus-Ubuntu-PC:~$ lsusb Bus 002 Device 002: ID 0cf3:1002 Atheros Communications, Inc. TP-Link TL-WN821N v2 802.11n [Atheros AR9170] serus@serus-Ubuntu-PC:~$ lsmod Module Size Used by carl9170 82083 0 serus@serus-Ubuntu-PC:~$ modinfo carl9170 filename: /lib/modules/3.5.0-21- generic/kernel/drivers/net/wireless/ath/carl9170/carl9170.ko alias: arusb_lnx alias: ar9170usb firmware: carl9170-1.fw description: Atheros AR9170 802.11n USB wireless serus@serus-Ubuntu-PC:~$ iwconfig wlan0 IEEE 802.11bgn ESSID:"virginmedia0137463" Mode:Managed Frequency:2.462 GHz Access Point: A0:21:B7:F8:29:B6 Bit Rate=240 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=66/70 Signal level=-44 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:1399 Invalid misc:18 Missed beacon:0 serus@serus-Ubuntu-PC:~$ sudo lshw -C network *-network description: Wireless interface physical id: 1 bus info: usb@2:2 logical name: wlan0 serial: 00:27:19:bb:00:19 capabilities: ethernet physical wireless configuration: broadcast=yes driver=carl9170 driverversion=3.5.0-21-generic firmware=1.9.4 ip=192.168.0.6 link=yes multicast=yes wireless=IEEE 802.11bgn

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• Oracle Logical Standby redo generation

  - by DCookie

  Oracle 10.2.0.4 database with a logical standby on Win2K3. Recently a rather large delete operation was carried out on the production instance. I'm experiencing difficulty with the logical standby, in that it gets a couple of hundred (58M size) archive logs into the operation and the apply process fails with an out-of-memory error. Unfortunately, every time it fails it has to restart the apply from the beginning of the transaction. This is taking a couple of days each time. Anyway, in trying to resolve this problem, I've noticed that each archive log from the production system generates 5 or 6 log switches on the standby. I don't understand why this should be. Anyone have any ideas? A related question that I've not found the answer for: does anyone know if the logical standby must be running in archivelog mode? I really don't have a need to keep the logs.

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• Vantec NexStar NAS Encloser - Writing large files

  - by peter

  I have one of these 'Vantec NexStar LX - NST-475LX-BK' drive enclosures. It is a NAS device. When I write a file to the device using eSata, or a SMB share I cannot write files over 4GB. I think this is because the drive is formatted with FAT32. But when I access the device using FTP it doesn't matter. I can write files of any size. E.g. I wrote one on there last night which was 30GB. Does this make any sense? Why? I guess the most important thing for me is data integrity.

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• rsync doesn't use delta transfer on first run

  - by ockzon

  I'm trying to synchronize a large local directory (with a batch file using rsync 3.0.7 on Cygwin, Windows 7 x64, 30k files, 200gb size) to a remote server (Debian x64 with kernel 2.6, rsyncd 3.0.7) over a slow internet connection (90kbyte/s upload). I know almost all files are identical and I verified that using md5sum locally and remotely. However when executing rsync from my local machine every file gets transferred completely for the first time. When I terminate the batch file after a few transfers and run it again then the already transferred files are skipped. But as soon as it gets to a file not yet transferred it uploads the file as a whole again instead of noticing that the checksum is the same locally and remotely. The batch file calling rsync looks like this (backslashes and line brakes added here for readability): c:\cygwin\bin\rsync.exe --verbose --human-readable --progress --stats \ --recursive --ignore-times --password-file pwd.txt \ /cygdrive/d/ftp/data/ \ rsync://[email protected]:33400/data/ | \ c:\cygwin\bin\tee.exe --append rsync.log I experimented using the following parameters in varying combinations but that didn't help either: --checksum --partial --partial-dir=/tmp/.rsync-partial --compress

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• PC is very slow

  - by Appoos

  Hi All, My Windows XP system is very slow. I tried all possible ways of improving the performance. But now luck. I've 4GB RAM and AMD Phenon XII B53 processor. I don't see any applications consuming CPU resources. But the Page File usage is 4.18 GB(System Managed size in MyComputerPropertiesPeformance). There is enough RAM available, but still why OS is using Page File? How can I improve the Page File usage? Please help me.

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• What software allows editing text with furigana professionally?

  - by Julian

  I'm studying Japanese and need to write a lot of text with furigana. I've been using Word so far but my main concern is that entering furigana is not only quite clumsy (no hotkey) but what's more important is that once entered, you can't globally change either its font or its size; you need to change them one by one. This is a deal-breaker for me since my average text contains hundreds of entries. There is a hack you can do as pointed out by another guy on SU but I found that by using it I could (and did) break my document easily. My question is: is there a software that is specifically designed to work with Japanese text that also has its UI in English? As stated above, I need something that has furigana editing as a first-class citizen.

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• mount issue in ubuntu 12.10

  - by Vipin Ms

  I'm having issue with latest Ubuntu 12.10. Let me make it more clear. I'm having the following partitions in my Laptop. Device Boot Start End Blocks Id System /dev/sda1 2048 39997439 19997696 83 Linux /dev/sda2 * 40001850 81947564 20972857+ 83 Linux /dev/sda3 81947565 123877214 20964825 83 Linux /dev/sda4 123887614 976773119 426442753 5 Extended /dev/sda5 123887616 333602815 104857600 83 Linux /dev/sda6 333604864 543320063 104857600 83 Linux /dev/sda7 543322112 753037311 104857600 83 Linux /dev/sda8 753039360 976773119 111866880 83 Linux I have also two users named "ms" and abc. Here ms is for administrative tasks and abc for my friends. When I mount any drive under "abc" user, I cannot access it under my other user "ms". Same as in the case with "ms" user. I found possible reason behind the issue. When I mount any drive under "abc" user, Ubuntu will try to mount it under "/media/abc/volume_name" instead of "/media/volume_name" . Same as in the case with "ms" user. # df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 19G 11G 7.5G 59% / udev 1.5G 4.0K 1.5G 1% /dev tmpfs 599M 896K 598M 1% /run none 5.0M 0 5.0M 0% /run/lock none 1.5G 620K 1.5G 1% /run/shm none 100M 92K 100M 1% /run/user /dev/sda2 20G 172M 19G 1% /media/abc/TEST /dev/sdb1 466G 353G 114G 76% /media/abc/F088F74288F7063E /dev/sdb2 466G 318G 148G 69% /media/abc/New Volume /dev/sda5 99G 94G 323M 100% /media/abc/Songs /dev/sda6 99G 31G 63G 34% /media/ms/Films Here, you can see that "TEST" was mounted under "/media/abc/TEST". When I try to access the already mounted partition named '/media/abc/TEST" in my "ms" session I'm getting the following error. How to fix this error? Is it a bug? Is there any way to fix this without modifying the underlying file-system structure?

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• Terrible Performance with SATA Drives on Dell PowerEdge, steps to troubleshoot?

  - by Tom

  I had asked this question earlier and the question went missing so here it is again. Bought a DELL Poweredge 2950 to use as in-house QA Server. Disk performance is beyond terrible, 1000-4000 ms response time on the drive with our SQL Server database .mdf. Sql Server disk queue upwards of 300 at times. I'm a software guy, can anyone help me with steps to determine the issue? I don't know what RAID controller it has, how can I determine that? I'm speculating it could be BIOS issue. Perhaps the server used to have another kind of drive in it and when I added SATA the ??? buffer size is wrong??? Perhaps I chose wrong options (chose defaults) when setting up the RAID 1 arrays? I thought RAID 1 was a performance array?

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• MPlayer refuses to generate mono wav file

  - by JCCyC

  I want to downsample an existing audio file to 8KHz mono. This command line downsamples it to stereo: mplayer -quiet -vo null -vc dummy -af volume=0,resample=8000:0:1 -ao pcm:waveheader:file="/tmp/blah1.wav" ~/from_my_cellphone.3ga It generates a file that the file utility identifies as stereo: $ file /tmp/blah1.wav /tmp/blah1.wav: RIFF (little-endian) data, WAVE audio, Microsoft PCM, 16 bit, stereo 8000 Hz Now, if I read the documentation correctly, I should add pan=1:0.5:0.5 so I get a file that's half the size: mplayer -quiet -vo null -vc dummy -af volume=0,resample=8000:0:1:pan=1:0.5:0.5 -ao pcm:waveheader:file="/tmp/blah2.wav" ~/from_my_cellphone.3ga But it doesn't! blah2.wav is identical to blah1.wav! What am I doing wrong?

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• Ubuntu 12.04.1 LTS and Nvidia dirver (304.51) 64bit: problem 640x480

  - by nibianaswen

  I have a problem with this configuration: Asus K55V, Ubuntu 12.04 LTS and Nvidia driver 304.51. I have remove the nouveau driver with: apt-get --purge remove xserver-xorg-video-nouveau I installed the official nvidia driver (from www.nvidia.com) but when I reboot the PC the resolution of screen is only 640x480 and the monitor is resized. Mo solution at this problem if i change the xorg.conf. Now i have uninstall the nvidia driver and reinstall with sudo apt-get purge nvidia-current sudo apt-add-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get install nvidia-current When I reboot the screen resolution and size is OK, but if I start nvidia-setting I received the message: You do not appear to be using the NVIDIA X driver. and with command: sudo lshw -c display | grep driver I received configuration: driver=i915 latency=0 This sound like the system is using the Intel card. When I launch command lspci | grep VGA the output is: 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 1058 (rev ff) And there is no /etc/X11/xorg.conf. I have read a lot of guides on internet but without success.. How i can use nvidia card with the driver that i have installed?

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• Tweaks to make Cleartype better at high resolutions?

  - by ULTRA_POROV

  Cleartype is great when displaying small text (say 10-16px). However when you display something above 20px it starts looking like mud. Just compare it to Photoshop. Photoshop rendering at small size is not very impressive, too blurry. But if you compare it at 20px, Photoshop wins all the time. Cleartype looks jaggy around the edges, almost like there is no Cleartype at all. Can this be fixed, or is it just the way Cleartype is?

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• linux: accessing thousands of files in hash of directories

  - by 130490868091234

  I would like to know what is the most efficient way of concurrently accessing thousands of files of a similar size in a modern Linux cluster of computers. I am carrying an indexing operation in each of these files, so the 4 index files, about 5-10x smaller than the data file, are produced next to the file to index. Right now I am using a hierarchy of directories from ./00/00/00 to ./99/99/99 and I place 1 file at the end of each directory, like ./00/00/00/file000000.ext to ./00/00/00/file999999.ext. It seems to work better than having thousands of files in the same directory but I would like to know if there is a better way of laying out the files to improve access.

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• How to determine the amount to spend per phrase on Adwords research?

  - by Anonymous -

  My company would like to start a PPC advertising campaign. Whilst I understand the concept and how to set everything up from a technical point of view, this is something I've never done before. Logically, we'd like to test out a wide range of keywords that we think would lead to conversions, which we've put together through brainstorming and with some help from Google's External Keyword Tool. Sub-question whilst I remember - am I correct in thinking that in Google's keyword tool, keywords that we think will perform well that have a low competition yet high monthly searches are good since there will be less advertisers, meaning our bid per click will be less? Is there a common benchmark or process of doing a round of tests with keywords? Should we wait for 100 clicks on each keyword, see which ones have lead to the most sales (or rather, sales that are sustainable with the cost per click of that keyword), then drop the ones which aren't converting and put that budget onto the converting keywords? We realistically have a few hundred keywords/phrases we would like to test, but spending $100 per keyword/phrase is going to work out as quite an expensive test. It would be nice to be able to spend $5-10 per phrase, but I don't think the sample size would be great enough to determine anything usefully reliable. Another approach might be to setup all the keywords, and those that bring the most sales within x hours/days would be the ones we use. What is the common procedure with things like this? I know there are a plethora of companies that specialize in exactly this, but this is something we anticipate doing a lot in the future, so it would make sense to do it in house if at all possible.

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• Adobe Illustrator - Objects are Expanded on Restart

  - by Shatou Dev

  I use Adobe Illustrator extensively for mobile development. For example, for Android app, I have many illustrations with different densities and sizes. I use many effects such as outer glow, round corners and such. However, sometimes, when I close the .ai file and re-open it later, I found all my objects expanded. Effects are expanded. For example, the round corner effect is now expanded and I cannot re-size any object. I am using a MacBook Pro. I am suspecting both Time Machine and Dropbox. As much as I can recall, it also appears with CS6 version, not CS5.

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• Site-to-site VPN

  - by ronadona

  We are a small business company that is based in Sydney and opened a new office in London. Number of employees in Sydney office is 25 and in London is 6 employees. So the traffic isn't that high. Files to be transferred are Excel sheets with size of 15mb max. Both locations have MS server 2008 and Fortigate gateways. I set up a site to site vpn but it's extremely slow. Maybe this is because our upload speeds is 1Mbps only but We will increase the upload speed to 20 Mbps in both locations but I am afraid that this will not solve the problem as the 2 locations are far from each other and the upload upgrade won't solve the problem. what's the best way to go? Shall we find a provider for the VPN? or is there another technology that can be used through internet without paying extra costs? Many thanks!

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• Create a custom shortcut that types clipboard contents

  - by briankb

  I want to paste my clipboard contents to a remote session such as VNC, IPMI, or Raritan. To accomplish this, I installed xdotool and clip. Then I wrote a simple command that types the clipboard contents: xdotool type "$(xclip -o)" This works if I stay in a terminal window, and type that command myself. It types back my clipboard contents when I run the command. Of course now I want to make this into a hotkey that works in any window. However, if I create a custom shortcut using Keyboard settings, it doesn't work. If I assign a hotkey Alt+K to the shortcut, nothing happens when I press it. If I use Ctrl+K, unexpected behavior occurs to whatever window has focus. e.g. my terminal window size shrinks (it's somewhat amusing, actually). Similar results occur if I save it as a script and call the script, or if I encapsulate the command with sh -c. How can I make practical use of the powerful xdotool type command?

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• Ubuntu One has high CPU usage but no syncing

  - by Peter

  over the weekend I updated my computer to Windows 8. So far Ubuntu One was running smoothly, but ever since the update (clean, new install) Ubuntu doesn't sync any more. In Windows 7 it would start to sync at full internet speed as soon as I drop a file. But now in Windows 8, as soon as I drop a new file into the Ubuntu One folder, CPU usage goes up to about 50 % and no network traffic occurs. This stays like that for a couple of minutes, CPU usage goes back to normal and then the client says that all is in sync - which isn't true. Is it too early for Windows 8? Do others have the same problem or is there something I can do about it? I try a couple of different things, and realized that if the file size is 20 MB the files get uploaded. The original file was 1.5 GB. I also didn't work with 200, 100 and 50 MB large files. But even with 20 MB large files, the upload is very slow and not steady. The log give plenty of this error: - twisted - ERROR - Failure: exceptions.TypeError About which I don't know the meaning. By the way, the account works just fine on the Ubuntu 12.04 partition. Any help is greatly appreciated. -Peter

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• Virtualbox fullscreen mode problem

  - by AtharvaI

  hi all I have a slightly weird issue with virtualbox. My host OS is Win7 (64-bit) and guest OS is Ubuntu 10.10(64-bit). When I switch to fullscreen mode in virtualbox, ubuntu display resizes to fit my screen size. however, after that the display is not updated. So if i click a menu or something I don't see it appear. but it seems to work in the background. if i click a menu in fullscreen mode, i don't see anything happen, but if then switch to windowed mode I see the menu already open. I have installed virtuabox guest additions. if any has a similar issue or has found a solution please let me know thanks.

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• How SSD hard drive affected speed of your website (asp.net/linq/ms sql database)

  - by Sergey Osypchuk

  I have a small database (<1G) But we have a lot of complex logi? in website and client complains on render time, which is 3-5 seconds. We are not google, and thousands of users a day is our dream, so size is not a problem, but speed is important. Can anybody share with experience with SSD drives for ASP.NET (MVC)/LINQ/MS SQL based application ? How you performance increased? UPDATE: this whitepaper states that it will be 20 times faster. http://www.texmemsys.com/files/f000174.pdf

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