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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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• Windows Server 2003 with Apache and IIS causing random faulting and performance issues with Apache?

  - by contrebis

  I'm trying to fix a problem on a Windows Server 2003 SE install which is running IIS6 and Apache webserver (with PHP and MySQL). IIS sites are bound to one IP, Apache to the other. Everything seemed fine till the other IP address was installed to allow a webservice to run under IIS. Symptoms: Apache now responds very slowly, even requests for static files (often 30 seconds or more) Sporadic errors are appearing in the event logs like: Faulting application httpd.exe, version 2.2.14.0, faulting module php5ts.dll, version 5.2.13.13, fault address 0x000ac14f. I've double-checked the config files, taken account of this question/answer http://serverfault.com/questions/51230/running-iis-and-apache-on-the-same-windows-server, upped the Apache log level to debug, run TCPView to check for conflicting bindings, upgraded to latest Apache/PHP versions but still no success or indication of a cause. Any suggestions on where to look, or debugging tips would be gratefully received. I'm a web programmer so not so familiar with Windows Server admin or details of the networking stack. Running PHP under IIS is not an option and hosting on another server is non-ideal.

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• Is there a fix to display 0 when arithmetic underflow occurs on the Windows 7 calculator?

  - by Pascal Qyy

  I have a problem that exasperates me: When I take the Windows 7 calculator in standard mode, if I do 4, then v (square root), the result is 2 Fine. But, at this point, if I do - (minus), then 2, the result is -1,068281969439142e-19 instead of 0! OK, I know about ? (machine epsilon), and yes, -1,068281969439142e-19 is less than the 64 bits ? (1.11e-16), so, we have an arithmetic underflow, in other words in this case: 0. Great, my computer is able to represent subnormal numbers instead of just flush to zero when this happens, and it seems that it is an improvement! Subnormal values fill the underflow gap with values where the absolute distance between them are the same as for adjacent values just outside of the underflow gap. This is an improvement over the older practice to just have zero in the underflow gap, and where underflowing results were replaced by zero (flush to zero). BUT: this result is false! when you try to explain the concept of the square root to a child and you end up with this kind of result, it only complicates your task... what is the point to represent subnormal numbers in a standard, non scientific calculator? So, is there a way to fix this?

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• Windows 7 DHCP Default Gateway not Overridden by manual Default Gateway

  - by dgwilson

  We have recently installed Windows 7 for student computers. All student computers must be routed through our content filter which is located at 192.168.0.63. This was done in WinXP by adding a Default Gateway in the network adapter settings TCP/IP Properties Advanced Default Gateway. All teacher computers are routed through the DHCP assigned Default Gateway of 192.168.0.1. In WinXP the dhcp default gateway was correctly overridden by this manual setting. In Win7 it appears that the dhcp default gateway is retained and the manual one is added to the list so that there are two with the dhcp one having the primary metric. I have tried several ways to remove the dhcp default gateway such as, running the "route delete 0.0.0.0 192.168.0.1" command. Doing this from an administrator command prompt works but it just resets upon reboot. I've tried adding this command to the registry's Run section but it seems to run as a non-administrator and therefore will not complete successfully. Is there any way to prevent this and force the manual default gateway to override the dhcp one? Or to remove the dhcp assigned one automatically on boot/login? HELP! We CANNOT allow student computers to connect to the internet without going through the content filter.

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• Windows 7 DHCP Default Gateway not Overridden by manual Default Gateway

  - by dgwilson

  We have recently installed Windows 7 for student computers. All student computers must be routed through our content filter which is located at 192.168.0.63. This was done in WinXP by adding a Default Gateway in the network adapter settings TCP/IP Properties Advanced Default Gateway. All teacher computers are routed through the DHCP assigned Default Gateway of 192.168.0.1. In WinXP the dhcp default gateway was correctly overridden by this manual setting. In Win7 it appears that the dhcp default gateway is retained and the manual one is added to the list so that there are two with the dhcp one having the primary metric. I have tried several ways to remove the dhcp default gateway such as, running the "route delete 0.0.0.0 192.168.0.1" command. Doing this from an administrator command prompt works but it just resets upon reboot. I've tried adding this command to the registry's Run section but it seems to run as a non-administrator and therefore will not complete successfully. Is there any way to prevent this and force the manual default gateway to override the dhcp one? Or to remove the dhcp assigned one automatically on boot/login? HELP! We CANNOT allow student computers to connect to the internet without going through the content filter.

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• Samba Share - MS Excel when saved (can't access the file, there are several possible reasons)

  - by brain90

  Dear Fellow ServerFaulter, I have a weird problem in my samba share. I have one share definition for 3 client (A,B,C) This share contain some excel file which having a lot of formula and linked each other. Client A access the file with libre office (ubuntu), client B access with WinXP & MS Office 2003, The write and read process working successfuly on Both of them. The problem occur when client C accessing the same file with MS Excel 2003 (windows xp). This messagebox appear when he saving the file : Microsoft office excel cannot access the \\192.168.1.23\myshare\ There are several possible reasons: - The File ort path does not exist The file is being used by another program. - The workbook you are trying to save has the same name as a - Currently open workbooks. I was trying http://support.microsoft.com/kb/291204 but it didnt work. Below is my share definition : [brainshare] comment = brainshare path = /opt/brainshare/ valid users = @brainshare force group = brainshare read only = No create mask = 0775 veto files = /*.scr/*.eml/thumbs.com/ Help me please... Thanks in advance ! Server: Ubuntu 10.10, Samba version 3.5.4

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• ssh keys rejected each day

  - by EddyR

  I've had OpenSSH server running on my debian server for a couple weeks and all of a sudden now when I go to login the next day it rejects my ssh key and I have to manually add a new one each time. Not only that but I have the "tunneling with clear-text passwords" option enabled and the non-root (login with root is disabled) account for that is rejected too. I'm at a loss why this is happening and I can't find any ssh options that would explain it. --update-- I just changed debug level to DEBUG. But before that I'm seeing a lot of the following in auth.log Feb 1 04:23:01 greenpages CRON[7213]: pam_unix(cron:session): session opened for user root by (uid=0) Feb 1 04:23:01 greenpages CRON[7213]: pam_unix(cron:session): session closed for user root ... Feb 1 04:36:26 greenpages sshd[7217]: reverse mapping checking getaddrinfo for nat-pool-xx-xx-xx-xx.myinternet.net [xx.xx.xx.xx] failed - POSSIBLE BREAK-IN ATTEMPT! ... Feb 1 04:37:31 greenpages sshd[7223]: Did not receive identification string from xx.xx.xx.xx ... My sshd_conf file settings are: # Package generated configuration file # See the sshd(8) manpage for details # What ports, IPs and protocols we listen for Port xxx # Use these options to restrict which interfaces/protocols sshd will bind to #ListenAddress :: #ListenAddress 0.0.0.0 Protocol 2 # HostKeys for protocol version 2 HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_dsa_key #Privilege Separation is turned on for security UsePrivilegeSeparation yes # Lifetime and size of ephemeral version 1 server key KeyRegenerationInterval 3600 ServerKeyBits 768 # Logging SyslogFacility AUTH LogLevel DEBUG # Authentication: LoginGraceTime 120 PermitRootLogin no StrictModes yes RSAAuthentication yes PubkeyAuthentication yes #AuthorizedKeysFile %h/.ssh/authorized_keys # Don't read the user's ~/.rhosts and ~/.shosts files IgnoreRhosts yes # For this to work you will also need host keys in /etc/ssh_known_hosts RhostsRSAAuthentication no # similar for protocol version 2 HostbasedAuthentication no # Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication #IgnoreUserKnownHosts yes # To enable empty passwords, change to yes (NOT RECOMMENDED) PermitEmptyPasswords no # Change to yes to enable challenge-response passwords (beware issues with # some PAM modules and threads) ChallengeResponseAuthentication no # Change to no to disable tunnelled clear text passwords PasswordAuthentication yes # Kerberos options #KerberosAuthentication no #KerberosGetAFSToken no #KerberosOrLocalPasswd yes #KerberosTicketCleanup yes # GSSAPI options #GSSAPIAuthentication no #GSSAPICleanupCredentials yes X11Forwarding no X11DisplayOffset 10 PrintMotd no PrintLastLog yes TCPKeepAlive yes #UseLogin no #MaxStartups 10:30:60 #Banner /etc/issue.net # Allow client to pass locale environment variables AcceptEnv LANG LC_* Subsystem sftp /usr/lib/openssh/sftp-server UsePAM no ClientAliveInterval 60 AllowUsers myuser

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• Repairing inconsistent pages in database

  - by Raj

  We have a SQL 2000 DB. The server crashed due to Raid array failure. Now when we run DBCC CHECKDB, we get an error that there are 27 consistency errors in 9 pages. When we run DBCC PAGE on these pages, we get this: Msg 8939, Level 16, State 106, Line 1 Table error: Object ID 1397580017, index ID 2, page (1:8404521). Test (m_freeCnt == freeCnt) failed. Values are 2 and 19. Msg 8939, Level 16, State 108, Line 1 Table error: Object ID 1397580017, index ID 2, page (1:8404521). Test (emptySlotCnt == 0) failed. Values are 1 and 0. Since the indicated index is non-clustered and is created by a unique constarint that includes 2 columns, we tried dropping and recreating the index. This resulted in the following error: CREATE UNIQUE INDEX terminated because a duplicate key was found for index ID 2. Most significant primary key is '3280'. The statement has been terminated. However running Select var_id,result_on from tests group by var_id,result_on having count(*)>1 returns 0 rows. Here is what we are planning to do: Restore a pre-server crash copy of the DB and run DBCC CHECKDB If that returns clean, then restore again with no recovery Apply all subequent TLOG backups Stop production app, take a tail log backup and apply that too Drop prod DB and rename the freshly restored DB to make it prod Start prod app Could someone please punch holes in this approach? Maybe, suggest a different approach? What we need is minimum downtime. SQL 2000 DB Size 94 GB The table that has corrupt pages has 460 Million+ rows of data Thanks for the help. Raj

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• Linux centos trouble with egrep command in words folder

  - by seth

  i need the commands to list these things for a class but for the life of me i cannot figure it out if anyone could offer any insight on how to get so specific with the egrep command or just answer the questions it would be highly appreciated some i have already figured out but if they look wrong any corrections may help too List all words that have the letter a followed immediately by the letter z. egrep {a,}{z,} words List all words that have the letter a followed sometime later by the letter z (there must be at least one letter in between). Egrep {a,?,z} words List all words that start with the letter a and end with the letter z. egrep "^a.*z$" words List all five letter words that start with the letter a and end with the letter z. List all words that start with two capital letters followed immediately by at least one lower case letter. List all words with two consecutive a’s or i’s or u’s. Use {2} to denote “two consecutive” and the pipe character, |, to denote “or”. egrep [a|i|o] {2} words List all words that contain a q where the q is not immediately followed by a u. For instance, queen should not be in your list but Iraqi should be. List all entries in the file that contain at least one non-letter.

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• fax server farm architechture

  - by Brian Postow

  I'm not sure this is the right forum for this, but it's not Stackoverflow so... I'm trying to figure out an architecture to solve the following problem, maybe someone here can help: I have a T1 with 23 fax lines coming into the building. I have a computer (Macintosh XServe) running Hylafax. If I had one POTS line, I'd be done. However, I have no idea how to get the T1 into the Mac... Options I've considered: some sort of PCI T1-modem (Does that exist?) Splitting the T1 into 23 POTS lines and then connecting 23 analog modems to the mac, either via an external modem bank (Do they still make those?) or via some sort of external PCI bank, which will allow me to use more than 2 4-port modem cards. Either the T1 or the split POTS lines going into some intermediate device and then transfering the images over IP, or USB to the mac. Really, any other option I can come up with This has GOT to be a problem that someone has already solved, right?

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• Windows 7 Users unable to add Windows 2003 server printers

  - by TravBrack

  Hi there I just rolled out a few Windows 7 x64 machines and ran into this issue where non-admin users are unable to add printers hosted on a windows 2003 server. It works fine on a 2008 server. The issue appears to be with the point and print system. A user will attempt to add the printer, a prompt will come up requiring the user to elevate privileges in order to install a driver, and will fail citing 'access denied'. I found the group policy setting Point and Print Restrictions: When the policy setting is disabled: -Windows Vista computers will not show a warning or an elevated command prompt when users create a printer connection to any server using Point and Print. So I disabled it, verified that the policy was being picked up using rsop, but it still does the same thing. I've also tried the following: Recreating the printers using newer drivers Adding the printer using 32 bit drivers on the 2003 machine, then adding the 64 bit drivers on a Windows 7 machine Adding the printer from a windows 7 machine using print management None of these things work. The security settings are no different than the working printers. Help?

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• Ubuntu rm not deleting files

  - by ILMV

  My colleague and I have been struggling with deleting a directory and its contents. We are working on a new version of our websites source code on Ubuntu 8.04 (dir: /var/www/websites), what we want to do is delete the websites directory and recreate it from a .tar backup we created a couple weeks ago. The purpose of this is so we can run our deployment procedure in a local environment before we do so on our live / public environment. We use this command: rm -r websites This deletes the directory and the files within it. The problem occurs when we un-tar our backup file and view the website we are getting files that don't exist in the .tar backup, in fact these files were only created a few days ago and should have been deleted. We delete the directory once more in the manner stated above, we then create a new websites directory using the mkdir command. Strangely at this stage the 'deleted files' do not come back, but if we unpack our .tar file the 'deleted files' appear again. Is there a way to ensure these files are deleted, or at least the pointers that associate them with said directory. Our .tar backup does not include these files We do not want to use the shred command We do not want to use 3rd party applications Solution should be functional via terminal (SSH) Many thanks! EDIT Er... we fixed it. Turns out the files that are reappearing are because of a link we have to another directory (outside the /var/www/websites), we were restoring the link but not deleting the files on the other end. D'oh! Many thanks for your help guys... friday afternoon syndrome :-)

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• Quick, Linux-compatible unit-aware calculator

  - by endolith

  I want to be able to press a keyboard combination, start typing a mathematical expression that includes units and slightly advanced math (not just a four-function calculator), and get a result immediately, in units that I specify, that I can copy and paste. Currently I open Firefox and press Ctrl+K, type in the search box, and it usually gives me a result in the drop-down from Google Calculator. It doesn't always, though, so I press "=" at the end, wait for a result, remove the equals, wait for a result, realize it doesn't understand the way I typed a unit, open the result in a new tab, etc. it sucks. Wolfram Alpha is smarter, but very much slower, and the output is all images, not text, and I don't have a quick widget for it, if such a thing could even exist. GNU units has a ton of units, which is great, and I can define my own units, which is great, but they have to be written in specific, unintuitive ways, it doesn't handle much advanced math, and I'd need to open a terminal, start units, etc. I hate the command line. I wasted a lot of time trying to make front-ends for units in Deskbar and Launchy, but I'm not a real coder and I don't use either of those anymore. Any other solutions or enhancements of these?

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• Incomplete Apache logging

  - by Manz

  I have a problem with Apache running on a Linux server. This error undefined index on PHP, for example. The problem is that my Apache server doesn't log entire error messages. Some lines from the error.log file: [Thu Nov 29 05:29:06 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: lin [Thu Nov 29 05:29:06 2012] [warn] mod_fcgid: stderr: 9 [Thu Nov 29 05:31:30 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var/www/html/sit [Thu Nov 29 06:01:18 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var [Thu Nov 29 06:06:09 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined [Thu Nov 29 06:06:15 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: [Thu Nov 29 06:13:04 2012] [warn] mod_fcgid: stderr: PH [Thu Nov 29 07:14:16 2012] [warn] mod_fcgid: stderr: PHP Notice: Undef [Thu Nov 29 07:32:16 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var/www/ht [Thu Nov 29 07:34:26 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link [Thu Nov 29 07:34:30 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var/www/html/site.com/ [Thu Nov 29 07:41:10 2012] [warn] mod_fcgid: stderr: PHP Notice: Und [Thu Nov 29 07:41:11 2012] [warn] mod_fcgid: stderr: PHP Notice: Und [Thu Nov 29 07:41:12 2012] [warn] mod_fcgid: stderr: PHP Notice: Und [Thu Nov 29 08:14:20 2012] [warn] mod_fcgid: stderr: PHP Notice: Undef [Thu Nov 29 12:36:54 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: li [Thu Nov 29 12:37:04 2012] [warn] mod_fcgid: stderr: PHP Notice: Unde [Thu Nov 29 12:46:52 2012] [warn] mod_fcgid: stderr: PHP Notice: Undefined index: link in /var/www/htm [Thu Nov 29 13:00:33 2012] [warn] mod_fcgid: stderr: line 35 [Thu Nov 29 13:10:55 2012] [error] [client XXX.XX.XX.XX] File does not exist: /var/www/h Some lines are incomplete and truncate the error message. Anyone know Why Apache is saving incomplete error messages?

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• SQL Server Installaion error 0x84B40000

  - by Kurtevich

  I have a problem installing SQL Server 2008 R2. Long time ago I had it installed, and then uninstalled. It was left in "Add/remove programs", but I didn't pay attention on that. I had 2005 installed. And now there is a need to install 2008. I removed 2005 and started installing 2008, but it says that space on C: is not enough. That's when I found out that "Add/remove programs" shows it occupying more than 4 gigabytes, though I used to uninstall it. So I click "Remove", it shows all those many screens and validations, shows that removal completed, but the size of Program Files folder is still more than 4 GB. I removed (from "Add\remove programs" everything that had "SQL Server" in it's name, but that main "SQL Server 2008" item is still there and still 4 GB and uninstalling does nothing. Because installation of SQL Server did not show existing instances, and I don't see any running services related to SQL server (well, almost any, more details in the end), I though that this folder contains just some leftover staff and data and deleted it manually. Then agreed to removing of the item in "Add/remove programs" and everything looks clean. Now every time I try to install SQL Server (even in the minimum configuration), I receive the following error: SQL Server Setup has encountered the following error: The specified credentials that were provided for the SQL Server service are not valid. To continue, provide a valid account and password for the SQL Server service. Error code 0x84B40000. What is this service mentioned here? This error looks like I'm trying to add features to existing server and it can't login. But the setup didn't ask me for any credentials, except one username that couldn't be changed. Here are the services shown that can be related, both disabled and pointing to non-existing executables: SQL Active Directory Helper Service SQL Full-text Filter Daemon Launcher (MSSQLSERVER) I understand that this must be because of my manual deletion, but is there a way to clean it up now?

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• Can an image based backup potentially corrupt data?

  - by ServerAdminGuy45

  I'm considering doing image based backups (Acronis) on production Windows systems during non-peak hours. I'm just wondering if they can potentially lead to application data corruption. Lets say that I have a database that is getting hit pretty hard. Could I potentially have the beginning blocks of the database be commit ed to the image, data inserted into the db (which changes the beginning blocks of the DB on the server but not the image), then the blocks of data committed to the image (leading to an inconsistent state). Here's an example of what I'm trying to illustrate. Imagine a simple data structure which has a number in the front which represents the number of "a"s in a file. The number and data are delimited by a "-". For example: 4-ajjjjjjjajuuuuuuuaoffffa If an "a" is changed, the datastructure resets the number in the begining of the file such as: 3-ajjjjjjjajuuuuuuuboffffa I assume acronis writes block by block being a straight up image so here is what i'm invisioning happening with my database t0: 4-ajjjjjjjajuuuuuuuaoffffa ^pointer is here t1: 4-ajjjjjjjajuuuuuuuaoffffa ^pointer is here (all data before this is comitted to the image) t2: 4-ajjjjjjjajuuuuuuuboffffa ^pointer is here (all data before this is comitted to the image) Also notice how one of the "a"s change to a b. There are only 3 "a"s now t3: 4-ajjjjjjjajuuuuuuuboffffa ^pointer is here (all data before this is comitted to the image) The final image now reads "4-ajjjjjjjajuuuuuuuboffffa", while the true data is "3-ajjjjjjjajuuuuuuuboffffa" leading to a corrupt "database". Basically changes further down the blockchain could be reflected in the image, while important header and synchronization could already be committed. The out of date header information doesn't accurately reflect the structure of the blocks to come.

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• Remote desktop solution where the desktop sharing party contacts the computer it wants to share with

  - by Kent

  I'm in a situation where I act as a sort of techinical support to my family and less techinically experienced friends. I'm looking for a remote desktop solution where it's possible to setup a "zero-install, double click an icon"-solution where the client computer contacts me so that I may interact with their desktop. The last part is important as the people in need of my help don't know how to configure their router or even the firewall software on their own computer. They are able to click an accept button when asked if a program should be able to make outgoing connections. They have many different kinds of routers, as well as software firewalls, and I rather not deal with the problem of how to connect to them using whatever as well as the actual problem they are having. It must be: Free of charge for non-commercial use. Possible to use it in a mode where the computer wanting to share its desktop should be able to make a connection to my computer. My computer has a DNS name we can use. Compatible with both Windows XP and Windows 7. Independent of a third party server or infrastructure. Explanations of the above: I don't want to spend money on it when I help them for free. If it's free as in freedom, all the better! I guess this boils down to being callable like showdesktopto.exe opscomputer.com where opscomputer.com is my computers DNS name. If that is possible then I can create a shortcut they can use to connect to me when they need help. It's nice if it's possible to specify a password or key file which I can use to authenticate myself, but it's not required. They use the OS which their machine comes installed with. That means Windows XP or 7. I want something which will work in the long run. Using a third party service which might not be available when I need it disqualified such solutions.

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• OS X 10.6 Apply ipfw rules at startup

  - by Michael Irey

  I have a couple of firewall rules I would to like to apply at startup. I have followed the instructions from http://images.apple.com/support/security/guides/docs/SnowLeopard_Security_Config_v10.6.pdf On page 192. However, the rules do not get applied at startup. I am running 10.6.8 NON Server Edition. I can however run: (Which applies the rules correctly) sudo ipfw /etc/ipfw.conf Which results in: 00100 fwd 127.0.0.1,8080 tcp from any to any dst-port 80 in 00200 fwd 127.0.0.1,8443 tcp from any to any dst-port 443 in 65535 allow ip from any to any Here is my /etc/ipfw.conf # To get real 80 and 443 while loading vagrant vbox add fwd localhost,8080 tcp from any to any 80 in add fwd localhost,8443 tcp from any to any 443 in Here is my /Library/LaunchDaemons/ipfw.plist <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd"> <plist version="1.0"> <dict> <key>Label</key> <string>ipfw</string> <key>Program</key> <string>/sbin/ipfw</string> <key>ProgramArguments</key> <array> <string>/sbin/ipfw</string> <string>/etc/ipfw.conf</string> </array> <key>RunAtLoad</key> <true /> </dict> </plist> The permissions of all the files seem to be appropriate: -rw-rw-r-- 1 root wheel 151 Oct 11 14:11 /etc/ipfw.conf -rw-rw-r-- 1 root wheel 438 Oct 11 14:09 /Library/LaunchDaemons/ipfw.plist Any thoughts or ideas on what could be wrong would be very helpful!

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• Apache subdomain not working

  - by tandu

  I'm running apache on my local machine and I'm trying to create a subdomain, but it's not working. Here is what I have (stripped down): <VirtualHost *:80> DocumentRoot /var/www/one ServerName one.localhost </VirtualHost> <VirtualHost *:80> DocumentRoot /var/www/two ServerName two.localhost </VirtualHost> I recently added one. The two entry has been around for a while, and it still works fine (displays the webpage when I go to two.localhost). In fact, I copied the entire two.localhost entry and simply changed two to one, but it's not working. I have tried each of the following: * `apachectl -k graceful` * `apachectl -k restart` * `/etc/init.d/apache2 restart` * `/etc/init.d/apache2 stop && !#:0 start` Apache will complain if /var/www/one does not exist, so I know it's doing something, but when I visit one.localhost in my browser, the browser complains that nothing is there. I put an index.html file there and also tried going to one.localhost/index.html directly, and the browser still won't fine it. This is very perplexing since the entry I copied from two.localhost is exactly the same .. not only that, but if something were wrong I would expect to get a 500 rather than the browser not being able to find anything. The error_log also has nothing extra.

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• OS X can't copy files from Windows Home Server...over wifi.

  - by John Clayton

  I'm a brand spanking new user of OS X, coming from a lifetime of Windows use. I've been setting up my new Macbook Pro and have run into a very unusual problem. Over wifi, I am unable to copy files to or from my Windows Home Server. The problem seems to exist only over wifi, and only to WHS. Here are the details of my setup: 2010 Macbook Pro (Core i7), OS X 10.6.3 Windows Home Server PP3 (virtualized in XenServer 5.5) Windows 7 Ultimate x64 desktop Windows 7 Ultimate x64 in Boot Camp D-Link DIR-655 wireless N router Here is what I've done to narrow down the problem: Files copy fine from WHS to OS X when using gigabit ethernet Files copy fine from desktop to OS X when using gigabit ethernet Files fail to copy from WHS to OS X when using wifi (error -51) Files copy fine from desktop to OS X when using wifi Files copy fine from WHS to Boot Camp when using wifi Files copy fine from desktop to Boot Camp when using wifi From what I can tell, it seems to be some sort of issue between OS X and WHS, but I can't for the life of me see what would be different between shares on WHS and my desktop. They are both connected using smb://ADDRESS (I've tried both by IP and name). I can browse the shares on the WHS, but copying to OS X fails. I originally found the issue while installing VS2010 off an ISO from WHS, mounted to a Windows 7 VM using VMware Fusion. During the installation the VM was unusable - even the clock got behind the host be about 8 minutes. Once I plugged in the ethernet and disabled the wifi things picked up and finished quickly. The Fusion 3.1 RC is the only I think of that I installed that may have messed with the wifi driver. I've also tried resetting the wifi router, and have changed it from being G & N to N-only. Under Boot Camp I get similar speeds as my wife's N laptop. Any ideas? Thanks!

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• Ubuntu 12.04 glusterfs volume failed to mount at boot time

  - by user183394

  I have just setup 7 KVM guests, all running Ubuntu 12.04 LTS 64bit Minimal server to test out glusterfs 3.2.5 from the Ubuntu official repo. Two of them form a mirrored pair (i.e. replica 2), and five of them are clients. I am still new to this file system and would like to gain some "hands-on" experience. The setup was mostly uneventful, until I put in the following into each glusterfs client's /etc/fstab: 192.168.122.120:/testvol /var/local/testvol glusterfs defaults,_netdev 0 0, where 192.168.122.120 is the IP address of the first "glusterfs server". If I issue either a manaul mountall or a mount.glusterfs 192.168.122.120:/testvol /var/local/testvol on CLI, a mount shows that the volume is successfully imported. But once a client is rebooted, after it comes back up, the volume is not mounted! I searched the Internet, and found this article, but since I am not running both client and server on the same node, IMHO it's not strictly applicable. So, as a kludgy "get-around", I put in a sleep 3 && mount.glusterfs 192.168.122.120:/testvol /var/local/testvol into each client node's /etc/rc.local. It seems to be able to get the volume mounted on each node, as far as I can tell. But this is quite ugly, and I would appreciate a hint as to how to resolve this glusterfs-non-boot-time-mounting issue correctly. Note that I used the IP address of the first "glusterfs server" although the /etc/hosts of all nodes have been populated with their hostnames. I figured that the use of IP address is more robust. --Zack

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• OSX: Mimic Ubuntu IP Masquerading via iptables with ipfw

  - by Dogbert

  Good day, I am attempting to replicate a setup I have between a router and an Ubuntu PC, and have the same setup working on my MacBook (10.6, Snow Leopard). First, I have a router that has a USB port. When I plug it into my Ubuntu PC, it creates an RNDIS connection, allowing me to connect to the router over the USB cable via an IP connection. When I plug it into my computer via USB, it gets assigned an IP address of 172.16.84.1, and a new adapter appears when I type ifconfig. I can then SSH into the device via ssh [email protected]. When I log in to the device, I flush the routes, then create the default route: admin@localhost> route -f admin@localhost> route add default 172.16.84.2 Now, in my Ubuntu machine, I use iptables to enable IP masquerading: root@Valhalla> sudo iptables -t nat -A POSTROUTING -s 172.16.84.2 -j MASQUERADE Once this is all done, the router has internet access over the USB connection to my PC. I am trying to replicate this exact setup on my MacBook now (Snow Leopard), but iptables does not exist for OSX, not even a Macports version exists. I have scoured through other questions on StackOverflow that cover the usage of the ipfw command, which apparently works as a drop-in replacement for iptables. However, the syntax is significantly different, and I'm pretty much lost. Does anyone with some experience with ipfw have some suggestions on how I could accomplish this and create a NAT connection via IP masquerading like I could with my Ubuntu PC? Thank you for your assistance.

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• Esx servers in a DMZ

  - by James

  I have two ESX 3.5 servers in a DMZ. I can access these servers on any port from my lan via a VPN. Servers in the DMZ are unable to initiate connections back to the lan, for obvious reasons. I have a vCenter server on my lan and can initially connect to the esx servers fine. However the esx servers then try to send a hearth beat back to the vCenter server on udp/902 obviously this will not get back to the vCenter server, which then marks the ESX servers as not responding and disconnects. There are two broad solutions I can think of; 1) Try to tell vCenter to ignore not getting heart beats. The best I can do here is delay the disconnect by 3 mins. 2) Try some clever network solution. However again I am at loss. Note: The vCenter server is on a lan, and cannot be given a public IP, so firewall rules back will not work. And also I cannot setup a VPN from the DMZ to the lan. **I am adding the following, explanation that I added to the comments Ok maybe this is the bit that I not explaining well. The DMZ is on a remote site, an entirely independent network (network 1). The vCenter server is on our office lan (network 2). Network 2 can connect to any machine on any port on network 1. But network 1 is not allowed to initiate a connection to network 2. Any traffic destined to network 2 from network 1 gets dropped by the firewall as it is traffic to a non-routable address. The only solution I can think of is setting up a VPN from network 1 to network 2, but this is not acceptable So any clever folk out there any ideas? J

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• Alternate way to connect a vpn through a MIFI

  - by questor

  This has gotten to be a major problem at our company and depending on who I ask, the problem either does not really exist (mfr. and vendor) or is insoluble ( according to most users including techs who know how to prove their point). The problem involves getting a normal Windows 7 system to connect to a normal Server 2008 R2 Server over a cellular router (usually called a Mifi). A very few brands/models appear to work but the majority cannot make the connection. Since it is a cellular device, there are many variables that come into play and I wondered if anyone had ever found a consistent way to either make one work or else prove to the providers that their equipment was at fault. They all specifically state “VPN use” on the sales brochures. But few if any work. And those that do are not reliable. From a standpoint of pure knowledge, I just wondered if anyone knew the real reason why they fail? Pptp, L2tp, IPsec doesn’t matter. I have not tried Shrew or OpenVPN and am using strictly MS Windows protocols. Plenty of Google Searches back up my complaints but none seem to be any closer to knowing "why" they fail, just that they do. This is a "quest for knowledge"question. I don't expect a solution. Just a reason for the problem if anyone has any ideas.

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• Any chance to extract Windows from recovery DVDs

  - by Pekka

  I have an Acer Tablet PC that came with WIndows XP Tablet PC Edition in the form of three recovery DVDs. Sadly, a mainboard fault put the machine out of business. I have now bought a used one from a different manufacturer that comes without an operating system. The recovery DVDs seem to contain three parts of a Norton Ghost image, and nothing else. The recovery DVD won't even start on a Non-Acer system. I'm a bit miffed because I legally own a Windows XP Tablet PC Edition license that I now can't use on the original machine any more. As far as I know, it's not legal in my jurisdiction for them to bind the license to a certain machine. I want to continue using the operating system on the new machine. Is there any chance of extracting usable Windows XP installation files from that image? How are such image files usually made up? Is there any free software around that can read Norton Ghost images so I can take a peek myself?

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