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• How to use different scaling for every monitor?

  - by Mikael Koskinen

  One of the new features in Windows 8.1 is the new "Desktop display scaling", which allows user to configure scaling per monitor. I've been trying to get this working in preview but with no success. If I configure the scaling, it always affects all of my monitors. I have two monitors, the main one with a higher resolution and the secondary with "normal" resolution. The secondary monitor is used in portrait mode. I would like to configure the main monitor's scaling as the text is currently too small. Here's how things look at the configuration screen by default: Now if I adjust the scaling, click apply and do relogin, everything is bigger. On both of my monitors. I haven't clicked the "Let me choose one scaling level for all my displays", but still the slider seems to affect both of them. If I check the "Let me choose one scaling level", the UI changes to look similar to what we have in Windows 8: Still the problem persists. The scaling is applied to both of my monitors. So, it doesn't matter if I check the box or not, the scaling is always applied to all the displays. Any idea how I could get this to work in preview? I've read some comments which seem to indicate that this should work in preview, though Paul Thurrott mentioned at his Winsupersite article that he either didn't get this to work.

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• Intel D2500HN Atom D2500 Doesn't turn on

  - by David W

  I recently bought parts from Amazon to build an embedded PC, and have assembled everything. I have: Intel D2500HN Mini-ITX Motherboard Mini-Box Pico-PSU 80 M350 Universal Min-ITX Enclosure 2GB DDR3 Memory Kinamax AD-LCD12 LCD Monitors 12V 6A 72W AC Adapter Power Supply The motherboard gets a light (on the motherboard, not on the Pico-PSU) when I plug it into the power adapter. Furthermore, I see the power switch light come on when I press the power button. However, the display doesn't turn on, and it doesn't seem that the PC is actually turned on. Since I'm seeing these lights, I know that the motherboard is getting power. Furthermore, the display VGA port is embedded into the motherboard, so that's not the issue. I'm just trying to figure out what COULD be the issue aside from a faulty motherboard. I have a diagram of the D2500HN motherboard which labels everything, and have ensured that the power LED as well as the On/Off cables are plugged into the right spots, although to be sure I've tried flipping these two cables around, and also plugging 1 cable into the other cable's spot & vice-versa. Is there anything else you folks think I may be missing, or anything else I can do to try to troubleshoot this issue before sending the motherboard back?

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• Excel not properly recalculating values

  - by gms8994

  I have an excel sheet with values in it (this sheet is generated by a custom perl script, but I don't think that's where the problem lies). In it, I have a formula: =sum(indirect(concatenate(address(6,column()),":",address(17,column())))) The purpose of this formula is to give me the SUM() of the cells in the current column, between rows 6 and 17. In Gnumeric Spreadsheet, as soon as I open the file, this works. But in Excel (both 2003 and 2007), opening the file gives #VALUE! errors in the fields with this formula, stating that the INDIRECT call with the values $B$6:$B$17 will result in an error. Here's the kink in the issue. If I edit the field (via F2), and make no changes, and hit enter, the values update. Also, it seems, if I save the file as .xlsx (Excel 2007 format), the values update upon opening. Unfortunately, I'm not sure that creating an xlsx is a possibility with the modules that I'm using, and many of our clients probably wouldn't be able to use it anyway. Any suggestions? Editing 200+ files every month for each client isn't going to be feasible, so if there's something I'm missing, please let me know.

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• Google Chrome sync: limit for bookmarks & extensions?

  - by Lyubomyr Shaydariv

  Actually, Chrome is my favorite web-browser, and one of its most powerful features is synchronizing the actual data into a Google account. For the last years I gained a lot of bookmarks and from time to time browse the extensions gallery to find new valuable ones. Really, synchronizing between my work and home PC's freed me from manual sync. And for the recent months I experience strange glitches. I guess it may be caused by a lot of stored bookmarks (potentially about 3K [in estimate], but please don't ask why :)) and extensions (about 130 installed but only 10-15 daily used). I can mention the following strange things: Recently added bookmarks sometimes are not synchronized (e.g. I put a bookmark at work, but it's not guaranteed I can see it that evening), despite about:sync indicates a good sync process. Sometimes recently modified bookmarks appear in either (let's call) last at home or last at work bookmark folders. Sometimes bookmarks are not synced at all. (Moreover, Chromium versions may even crash) Extensions are not synced now at all. Perhaps, there's another reason, but Google Mail Checker and Google Reader Notifier do not show indicators of incoming e-mails and news. ... I'm not sure but it looks like I might exceed Chrome internal sync limits... Is it right? Are there any workarounds, or should I make a massive bookmarks/extensions cleanup (I really don't want it :()? I mostly use Google Chrome Canary builds, and the my current one is 12.0.732.0. Thanks in advance. Update #1 (2001-04-19): I removed about 50 extensions that I'm not interested in (or that I consider as trash), and gained pretty some results: The extensions count is below 100 (exactly 97); The chrome://extensions page does not get slow (or even frozen) any more on enabling/disabling/uninstalling extensions; The extensions are seem to be synchronized now again.

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• Nginx Not Passing URL Parameters

  - by jmccartie

  Messing around with Nginx ... for some reason, it looks like none of my URL parameters are being passed. My homepage loads fine, but a URL like "http://mysite.com/more.php?id=101" throws errors, saying that the ID is an undefined index. I'm assuming this is something basic I'm missing in a conf file. Some info: conf.d/virtual.conf server { listen 80; server_name dev.mysite.com; index index.php; root /var/www/dev.mysite.com_html; location / { root /var/www/dev.mysite.com_html; } location ~ \.php(.*)$ { fastcgi_pass 127.0.0.1:9000; fastcgi_param SCRIPT_FILENAME /var/www/wap/dev.mysite.com_html/$fastcgi_script_n ame; fastcgi_index index.php; include /etc/nginx/fastcgi_params; } } Error log: 2009/06/22 11:44:21 [notice] 16319#0: start worker process 16322 2009/06/22 11:44:28 [error] 16320#0: *1 FastCGI sent in stderr: "PHP Notice: Undefined index: id in /var/www/dev.mysite.com_html/more.php on line 10 Thanks in advance.

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• Dell fumbles OpenManage installation process, forgets to write documentation?

  - by bwerks

  Hi all, I'm setting up a Dell PowerEdge 2950 for a small business, and I've just spent a while with Dell OpenManage Server Administrator 6.2, trying to clear the installation process of errors before I execute it. Right now I'm getting the following warning from the installer. The installer has detected that the HTTPS listener is not configured for Windows Remote Management. You can either configure the HTTPS listener before installing Remote Enablement, or install Remote Enablement now by selecting the "Custom" installation screen and configure the HTTPS listener later. See the "Remote Enablement Requirements" section in the "Dell OpenManage Installation and Security User's Guide" for information on configuring the HTTPS listener. Note: Remote Enablement is required to manage this system from a remote Server Administrator Web Server and is applicable only for those systems that support Server Instrumentation. Click here to configure HTTPs Listener for Windows Remote Management. The italicized line is a link, which executes...something...via cmd, and doesn't seem to help the problem. Not knowing exactly what to do here, I consulted the documentation. I read through the Setup and Administration section of the User's Guide, but all that it contained was a weird primer on role-based security and some SNMP stuff. The next section skips installation entirely and moved on to features of the suite. Thinking myself crazy, I consulted the readme, which told me that for installation I should consult the "Dell OpenManage Installation and Security Version 6.2 User's Guide" which not only doesn't exist in the documentation, but also not in all of google? Soo yeah, if anyone is familiar with this problem, drop me some knowledge!

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• Postfix able to receive email but not able to send it

  - by c0mrade

  I had postfix running on my machine(comes with centos minimal), but today I configured it to use my domain for the sake of example this is my domain name example.com . Here is my config : alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 header_checks = regexp:/etc/postfix/header_checks html_directory = no inet_interfaces = all inet_protocols = ipv4 mail_owner = postfix mailbox_size_limit = 1073741824 mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man message_size_limit = 10485760 mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain mydomain = example.com myhostname = mail.example.com mynetworks = 127.0.0.0/8 mynetworks_style = host myorigin = $mydomain newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES relayhost = smtp.$mydomain sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtpd_banner = $myhostname ESMTP $mail_name smtpd_client_restrictions = permit_mynetworks,reject_unknown_client,permit smtpd_recipient_restrictions = permit_mynetworks,permit_auth_destination,permit_sasl_authenticated,reject unknown_local_recipient_reject_code = 550 I need one email account to be able to send emails (password retrievals etc.). I read today somewhere that if you create unix account postfix will recognize it as email address so if your account username was ant your email would be [email protected]. So I tested that and tried to send email to [email protected] and I successfully received mail. When I try to send the email with ant task script, I'm not able to connect : Failed messages: javax.mail.MessagingException: Could not connect to SMTP host: mail.example.com, port: 25; nested exception is: java.net.ConnectException: Connection timed out: connect What am I missing here? Edit I'm able to telnet to localhost : Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 mail.example.com ESMTP Postfix

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• Setting up Apache with multiple virtual host when using Plone 4.1

  - by Shaun Owens

  I have a Plone server running on CentOS, I have multiple instances of Plone running 4.0 and 4.1, I also have multiple sites. I am new to linux and haveing problems getting Apache to work with multiple virtuale hosts. The first host listed works just fine but the second host does not. I get the following error message when I start HTTPD: Starting httpd: [Mon Nov 07 14:38:31 2011] [warn] VirtualHost ordevel3.ucdavis.edu:80 overlaps with VirtualHost ordevel4.ucdavis.edu:80, the first has precedence, perhaps you need a NameVirtualHost directive. What am I missing to get the virtual hosts to work correctly? Below in my syntax in httpd.conf. <VirtualHost ordevel3.abc.edu:80> ServerAlias ordevel3.abc.edu ServerAdmin [email protected] ServerSignature On <IfModule mod_rewrite.c> RewriteEngine On # serving icons from apache 2 server RewriteRule ^/icons/ - [L] RewriteRule ^/(.*) \ http://localhost:8080/VirtualHostBase/http/%{SERVER_NAME}:80/itsdevel3/VirtualHostRoot/$1 [L,P] </IfModule> <IfModule mod_proxy.c> ProxyVia On # prevent the webserver from beeing used as proxy <LocationMatch "^[^/]"> Deny from all </LocationMatch> </IfModule> </VirtualHost> <VirtualHost ordevel4.abc.edu:80> ServerAlias ordevel4.abc.edu ServerAdmin [email protected] ServerSignature On <IfModule mod_rewrite.c> RewriteEngine On # serving icons from apache 2 server RewriteRule ^/icons/ - [L] RewriteRule ^/(.*) \ http://localhost:8180/VirtualHostBase/http/%{SERVER_NAME}:80/ITS/VirtualHostRoot/$1 [L,P] </IfModule> <IfModule mod_proxy.c> ProxyVia On # prevent the webserver from beeing used as proxy <LocationMatch "^[^/]"> Deny from all </LocationMatch> </IfModule> </VirtualHost>

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• How do I connect a 2008 server to a 2003 server active directory?

  - by Matt

  Our DC is running Windows Server 2003. I've just set up Windows Server 2008 and have terminal server running on it. When setting the terminal server permissions, it was able to allow a group name that was read from the domain. In the DC the new terminal server shows up as a computer in the domain. I can also log in as a user within the domain even though that user doesn't exist locally on the new server. However, when I go to set sharing permissions on the new machine it doesn't show my domain as a location. Instead it is only looking at location "machinename" and not allowing domain to be seen or added. Is there something I'm missing? Ok, lots of errors in the event log. We have this: The winlogon notification subscriber is taking long time to handle the notification event (Logon). Followed by this: The winlogon notification subscriber took 121 second(s) to handle the notification event (Logon). Followed by: The processing of Group Policy failed because of lack of network connectivity to a domain controller. This may be a transient condition. A success message would be generated once the machine gets connected to the domain controller and Group Policy has succesfully processed. If you do not see a success message for several hours, then contact your administrator. I think this might be the same problem I'm having http://serverfault.com/questions/24420/primary-domain-controller-slow Solved. The issue was that I had changed from DHCP to static and put the wrong DNS server IP in. i.e. firewall instead of DC/DNS server.

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• Stream video from a computer to a tablet

  - by NullOrEmpty

  I would like to watch presentations and college videos I have on my computer, from my tablet. There are almost a hundred of GB in videos, so I would like to watch them in streaming from my computer. My wife has also tons of videos so I have decided to do a kind of streaming local service to watch the videos from our tablets. I have found an article about how to do it with Internet Information Server, but the article is relaying in an application that is not free (Expression Encoder). Since this is for home fun, I am not willing to pay, so I would like to ask for some free encoder that can do the trick. I have no idea about streaming. Actually, I tried to hang the files directly on IIS, and the browser tried first to download some of them and some other (mp4?) got played badly, so I could not get a smooth video experience. What is missing? What is the deal with H.264 ? Can I roll with VC-1 and play videos in my Android tablet with streaming with an acceptable quality through my WLAN home network? Any better solution? Thanks.

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• setting up git on cygwin - openssl

  - by user23020

  I'm trying to get git running in cygwin on a windows 7 machine I have git unpacked and the directory git-1.7.1.1 when i run make install from within that directory, I get CC fast-import.o In file included from builtin.h:4, from fast-import.c:147: git-compat-util.h:136:19: iconv.h: No such file or directory git-compat-util.h:140:25: openssl/ssl.h: No such file or directory git-compat-util.h:141:25: openssl/err.h: No such file or directory In file included from builtin.h:6, from fast-import.c:147: cache.h:9:21: openssl/sha.h: No such file or directory In file included from fast-import.c:156: csum-file.h:10: error: parse error before "SHA_CTX" csum-file.h:10: warning: no semicolon at end of struct or union csum-file.h:15: error: 'crc32' redeclared as different kind of symbol /usr/include/zlib.h:1285: error: previous declaration of 'crc32' was here csum-file.h:15: error: 'crc32' redeclared as different kind of symbol /usr/include/zlib.h:1285: error: previous declaration of 'crc32' was here csum-file.h:17: error: parse error before '}' token fast-import.c: In function `store_object': fast-import.c:995: error: `SHA_CTX' undeclared (first use in this function) fast-import.c:995: error: (Each undeclared identifier is reported only once fast-import.c:995: error: for each function it appears in.) fast-import.c:995: error: parse error before "c" fast-import.c:1000: warning: implicit declaration of function `SHA1_Init' fast-import.c:1000: error: `c' undeclared (first use in this function) fast-import.c:1001: warning: implicit declaration of function `SHA1_Update' fast-import.c:1003: warning: implicit declaration of function `SHA1_Final' fast-import.c: At top level: fast-import.c:1118: error: parse error before "SHA_CTX" fast-import.c: In function `truncate_pack': fast-import.c:1120: error: `to' undeclared (first use in this function) fast-import.c:1126: error: dereferencing pointer to incomplete type fast-import.c:1127: error: dereferencing pointer to incomplete type fast-import.c:1128: error: dereferencing pointer to incomplete type fast-import.c:1128: error: `ctx' undeclared (first use in this function) fast-import.c: In function `stream_blob': fast-import.c:1140: error: `SHA_CTX' undeclared (first use in this function) fast-import.c:1140: error: parse error before "c" fast-import.c:1154: error: `pack_file_ctx' undeclared (first use in this functio n) fast-import.c:1154: error: dereferencing pointer to incomplete type fast-import.c:1160: error: `c' undeclared (first use in this function) make: *** [fast-import.o] Error 1 I'm guessing that most of these errors are due to the iconv.h and openssl files which apparently are missing, but I can't figure out how I'm supposed to install those (if I am), or if there is some other way to get around this.

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• IIS Manager - Connect to Another Server (Win7 to Win2008 server)

  - by Matt

  I am running Windows 7 Ultimate. If I open up IIS Manager, I see a list of "connections" on the left hand side. In previous versions, I would be able to select an option to "connect to another server" or "connect to another machine", but there is no such option visible anywhere here. The only thing in the list is my local machine. Even in the address bar, if I manually type in the server location (\servername, even tried just servername), nothing happens (it just reverts back to my current local computer) The documentation at http://technet.microsoft.com/en-us/library/cc732466%28WS.10%29.aspx seems to imply the very same steps... but there is just no button or menu option anywhere to do this. Am I missing something? I'm not even seeing a grayed out menu option. EDIT: Under the "File" menu, I see 2 options: Save Connections (grayed out) Exit Under the "Connections" pane, I see 1 button, grayed out. When I hover the mouse, it simply says "Up", appears to be usable if I browse into an element in my local computers IIS settings If I right click inside the pane itself, I see Refresh Add website (to the current host) Start Stop Rename Switch to Content View UPDATE: I downloaded and installed the Remote Server Administration tools from http://www.microsoft.com/downloads/details.aspx?FamilyID=7D2F6AD7-656B-4313-A005-4E344E43997D&displaylang=en, and I enabled everything listed under "Remote Server Administration Tools" under "Turn Windows Features On or Off". Still nothing.

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• Lotus Domino - DAOS not reducing file size?

  - by SydxPages

  I have implemented DAOS on a Lotus Domino Server (8.5.3 FP2) as follows: Lotus Domino Server Document: Store file attachments in DAOS: Enabled Minimum size of object before Domino will store in DAOS: 64000 bytes DAOS base path: E:\DAOS Defer object deletion for: 30 days Transaction logging is running, and the specific test database has the following advanced properties set: Domino Attachment and Object Service (ticked) Use LZ1 compression for atachments Compress Database Design Compress Data I have restarted the server. When I run a compact -c, it compacts the database, but does not reduce the size. I have checked the DB in Windows Explorer (60Gb) and the size is the same pre and post. I have checked the directory (E:\DAOS) and it is 35Gb in size. When I run the command 'Tell DAOSMgr Status tmp\test.nsf', I get the following response. From looking up on the net, I believe ticket count = 0 means that the db is not really DAOS'ed? Admin Process: Searching Administration Requests database DAOSMGR: Status tmptest.nsf started DAOS database status: Database: E:\Lotus\Domino\Data\tmp\test.nsf Database state = Synchronized Last resynchronized: 03/09/2012 02:49:13 PM Ticket count: 0 DAOSMGR: Status tmp\test.nsf completed I have run fixup on the database. When I have tried to run the DAOS estimator it has always crashed. This was a problem with larger databases on earlier versions of domino, but not anymore. Can anyone tell me why the size has not reduced? Am I missing anything?

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• Dante (SOCKS server) not working

  - by gregmac

  I'm trying to set up a SOCKS proxy using dante for testing purposes. However, I can't even get it to work with a web browser, after looking at several tutorials on how to do that. I've tried in both IE and Firefox, in both cases, using "Manual proxy configuration", leave everything blank except for SOCKS host, and then put in the IP of my proxy and the port number (1080). I just get "Server not found" / "Problems loading this page" and don't see anything in danted, even running in debug mode. If I do a "telnet 10.0.0.40 1080" I do see the connection open in danted debug output, so I know that much is working. Here's my config: logoutput: stdout /var/log/danted/danted.log internal: eth0 port = 1080 external: eth0 method: username none #rfc931 user.privileged: proxy user.notprivileged: nobody user.libwrap: nobody connecttimeout: 30 # on a lan, this should be enough if method is "none". client pass { from: 10.0.0.0/8 port 1-65535 to: 0.0.0.0/0 } client pass { from: 127.0.0.0/8 port 1-65535 to: 0.0.0.0/0 } client block { from: 0.0.0.0/0 to: 0.0.0.0/0 log: connect error } block { from: 0.0.0.0/0 to: 127.0.0.0/8 log: connect error } pass { from: 10.0.0.0/8 to: 0.0.0.0/0 protocol: tcp udp } pass { from: 127.0.0.0/8 to: 0.0.0.0/0 protocol: tcp udp } block { from: 0.0.0.0/0 to: 0.0.0.0/0 log: connect error } I'm sure I'm probably missing something simple, but I'm lost. I haven't even thought about SOCKS since the late 90's.

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• OpenVPN: ifup tap0 drops all connections

  - by raspi

  I'm trying to create star shaped "virtual" LAN with OpenVPN which is not connected to physical network. ie. tap0 packets should not go to eth0. Packet should only go through OpenVPN to connected clients. This setup works with my OpenVPN testing machine which runs Virtual Box but not on my actual server which is running on top of Xen. Both servers are running Ubuntu Intrepid. /etc/network/interfaces: iface tap0 inet manual address 10.10.10.1 netmask 255.255.255.0 gateway 10.10.10.1 /etc/openvpn/server.conf mode server tls-server port 1194 proto udp dev tap client-to-client ca /etc/openvpn/easy-rsa/keys/ca.crt cert /etc/openvpn/easy-rsa/keys/servername.crt key /etc/openvpn/easy-rsa/keys/servername.key dh /etc/openvpn/easy-rsa/keys/dh384.pem ifconfig-pool-persist ipp.txt server-bridge 10.10.10.1 255.255.255.0 10.10.10.128 10.10.10.250 push .route 10.10.10.1 255.255.255.0 keepalive 5 60 comp-lzo persist-key persist-tun status /var/log/openvpn-status.log log-append /var/log/openvpn.log verb 3 user nobody group nogroup ifup tap0 on Virtual Box: everything ok, SSH keeps running. But on Xen SSH connection drops and I have to reboot whole machine. What I'm missing?

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• Using our own certificate authority for business email encryption

  - by LumenAlbum

  I've read the available similar questions on serverfault but I haven't quite found a definite answer to the security aspect of it - hence here's my question: I'm administrator of an office working with tax data and we want to start using certificate-based eMail encryption with our clients. Considering the prices for issued certificates by VeriSign & Co I was wondering if we couldn't issue the necessary certificates with a certificate authority of our own. I realize that they do not offer the trust hierarchy that commercial certificates do but I don't see why we would need that. Most of our clients have small businesses and only 20% of them even exchange data with us via email. So if we were to issue certificates for those 20% and our employees, that would enable us to use encrypted emails. Of course they would have to trust our certificate authority and thus once receive our public root certificate. But if we would hand them out to them (or install it) personally, they'd know that it really is our certificate. Is thery a huge security risk that I am missing here? As long as nobody has access to our certificate authority server nobody should be able to interfere with security, right? And the client certificates would be generated and handed out by us, as well... Please advise me if I am making an error in judgement here and thank you in advance.

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• How to set up a VPN Incoming connection with Windows to tunnel Internet traffic?

  - by Mehrdad

  I want to set up a VPN on a remote server to route all my Internet traffic for privacy reasons. I can set up an incoming connection and connect to it successfully. The problem is, I can just see the remote computer and no other Web sites will open. I want the remote server to act like a NAT. How can I do that? Note that I don't want to split Internet traffic. I actually want to send all the traffic to the remote server but need to make it relay the traffic. For the record, my remote server is Windows Web Server 2008 which does not have routing and remote access service. Clarification I'm mostly interested in server configuration. I don't have any problems configuring the client. By the way, Windows Web Server 2008 seems to have the same VPN features built in client OSes (like Vista) and specifically, it doesn't include the RRAS console in MMC. I'm also open to suggestions regarding third party PPTP/L2TP daemons available, if they are free.

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• How to fix Apache from crashing with PHP+Curl on an SSH request?

  - by Jason Cohen

  My Apache process segfaults whenever I call curl_exec() from PHP with an "https://" URL. If I use http instead of https as the URL transport, it works perfectly, so I know curl and the other curl options are correct. I can use curl from the command-line on that server using the https version of the URL and it works perfectly, so I know the remote server is responding correctly, the cert isn't expired, etc.. My server is: Linux 2.6.32-21-server #32-Ubuntu SMP Fri Apr 16 09:17:34 UTC 2010 x86_64 GNU/Linux My Apache version is: Server version: Apache/2.2.14 (Ubuntu) Server built: Apr 13 2010 20:21:26 My PHP version is: PHP 5.3.2-1ubuntu4.2 with Suhosin-Patch (cli) (built: May 13 2010 20:03:45) Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies My PHP curl module info is: cURL support => enabled cURL Information => 7.19.7 Age => 3 Features AsynchDNS => No Debug => No GSS-Negotiate => Yes IDN => Yes IPv6 => Yes Largefile => Yes NTLM => Yes SPNEGO => No SSL => Yes SSPI => No krb4 => No libz => Yes CharConv => No Protocols => tftp, ftp, telnet, dict, ldap, ldaps, http, file, https, ftps Host => x86_64-pc-linux-gnu SSL Version => OpenSSL/0.9.8k ZLib Version => 1.2.3.3

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• Procmail Postfix issue

  - by Blucreation

  Our server is using CENTOS uses postfix: Nov 1 11:31:52 webserver postfix/smtpd[30424]: 822A91872F: client=unknown[5.133.168.42], sasl_method=PLAIN, [email protected] Nov 1 11:31:52 webserver postfix/cleanup[30427]: 822A91872F: message-id=<[email protected]> Nov 1 11:31:52 webserver postfix/qmgr[1067]: 822A91872F: from=<[email protected]>, size=620, nrcpt=1 (queue active) Nov 1 11:31:52 webserver postfix/virtual[30505]: 822A91872F: to=<[email protected]>, relay=virtual, delay=0.12, delays=0.12/0/0/0, dsn=2.0.0, status=sent (delivered to maildir) Nov 1 11:31:52 webserver postfix/qmgr[1067]: 822A91872F: removed Nov 1 11:31:52 webserver postfix/smtpd[30424]: disconnect from unknown[5.133.168.42] I have this in my etc/postfix/main.cf: mailbox_command = /usr/bin/procmail -a "$EXTENSION" My etc/procmailrc contains: PATH="/usr/bin" SHELL="/bin/bash" LOGFILE="/var/log/procmail.log" VERBOSE="YES" LOG="#TEST#" I don't think procmail is picking up on my procmailrc as nothing ever gets logged from normal emails. If i type this: procmail DEFAULT=/dev/null VERBOSE=yes LOGFILE=/var/log/procmail.log /dev/null </dev/null I get entries in my log file so i know procmail is working Am i doing something wrong? am i missing something? I eventually want my rule to call a php script only if the subject contains "SUPPORT TICKET" and the to is "[email protected]" but that's once i this issue solved.

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• nginx error page and internal directives not working as expected

  - by Romain

  I'd like to setup my nginx server to return a specific error page on HTTP 50x status codes, and I'd like this page to be unavailable by a direct request from users (e.g., http//mysite/internalerror). For that, I'm using nginx's internal directive, but I must be missing something, as when I put that directive on my /internalerror location, nginx returns a custom 404 error (which isn't even my own 404 error page) when a page crashes. So, to summarize, here's what seems to happen: GET /Home nginx passes the query to Python I'm simulating an application bug to get the 502 error code nginx tries to return /InternalError from its error_page rule because of the internal rule, it finally fails back to a custom 404 error code <-- why? the documentation says error_page directives are not concerned by internal: http://wiki.nginx.org/HttpCoreModule#internal Here's an extract from nginx.conf with a few comments to point things out: error_page 404 /NotFound; error_page 500 502 503 504 =500 /InternalError; # HTTP 500 Error page declaration location / { try_files /Maintenance.html $uri @pythonbackend; } location @pythonbackend { include uwsgi_params; uwsgi_pass unix:///tmp/uwsgi.sock; } location ~* \.(py|pyc)$ { # This internal location works OK and returns my own 404 error page internal; } location /__Maintenance.html { # This one also works fine internal; } location ~* /internalerror { # This one doesn't work and returns nginx's 404 error page when I trigger an error somewhere on my site internal; } Thanks very much for your help!!

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• Best way to 'harden' embedded ext4 file server against unexpected loss of power?

  - by Jeremy Friesner

  Hi all, First, a little background: my company makes an audio streaming device that is a headless, rack-mounted Linux box with a couple of SSDs attached. Each SSD is formatted with ext4. The users can connect to the system using Samba/CIFS to upload new audio files or access existing ones. There is also custom software for streaming out audio over the network. This is all fine. The only problem is that the users are audio people, not computer people, and see the system as a 'black box', not as a computer. Which means that at the end of the day, they aren't going to ssh in to the box and enter "/sbin/shutdown -h"; they are just going to cut power to the rack and leave, and expect things to still work properly the next day. Since ext4 has journalling, journal checksumming, etc, this mostly works. The only time it doesn't work is when someone uploads a new file via Samba and then cuts power to the system before the uploaded data has been fully flushed to the disk. In that case, they come in the next day and find that their new file has been truncated or is missing entirely, and are unhappy. My question is, what is the best way to avoid this problem? Is there a way to get smbd to call "sync" at the end of every upload? (Performance on uploads isn't so important, since they only happen occasionally). Or is there a way to tell ext4 to automatically flush within a few seconds of any change to a file? (Again, performance can be sacrificed for safety here) Should I set a particular write-ordering mode, activate barriers, etc?

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• MS SQL Server Firewall Ports

  - by mmacaulay

  Hi, I've recently found myself in the position of quickly deploying a production app on SQL Server 2008 (EXPRESS), and I've been having some issues with configuring firewall rules between our web server running the ASP.NET app and our database server. Everything that I can find on the internet claims that I should only need to have TCP ports 1433/1434 and UDP port 1434 accessible on the database server. However, we were unable to get connectivity going between the web app and the database with just those ports. With the help of one of the guys in our datacentre, we discovered that there was traffic also going to TCP port 2242 on the database server. After opening this port, everything worked, but we're not sure why. Later on, I had to reinstall SQL Server due to some disk space issues, and found that the problem had resurfaced - after another session with the packet sniffer, we discovered that this time traffic was going to TCP port 4541 on the database server. My question is, is there some configuration option that I'm missing in SQL server that's making it choose random ports? I'd like to have our firewall rules locked down as much as possible, and of course we'd like to avoid any future mysterious connectivity issues, especially once the app is live. Both servers are running Windows 2003 R2 X64.

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• Why Virtual Box won't give me option to create 64 bits guests?

  - by Eduardo Born

  My host is x64 bits Windows 8.1. I downloaded the latest Virtual Box (4.3) and I'm trying to create a VM with a 64 bits Ubuntu OS (ubuntu-12.04.3-desktop-amd64). When I go to New VM wizard, it doesn't give me option to select "Ubuntu (x64)" as I have seen in other people's screenshots, only just "Ubuntu". As a result, the ISO can't boot. I tried in another PC and Virtual Box gives the x64 variants to most listed OS... Control Panel shows x64 OS, x64 processor. My host laptop is a Sony Vaio VPCZ22UGX/N, Intel® Core™ i7-2640M processor. CPUz shows Vx-t is available on my processor, of course. Here is what I tried so far: I enabled IO APIC as required in the docs. I have virtualization enabled in the BIOS. It works fine in VMware. Check that Hyper-V is not running or even installed on my Windows. Same for VMware. I also tried running the command: VBoxManage modifyvm [vmname] --longmode on for that VM, but no change.. I think the issue is really that I can't select x64 variant of the Ubuntu OS for that VM. Other people seem to indicate that's a requirement, but I don't get that option for some reason. I spent a lot of time and can't find what's wrong... Anyone knows what could be missing here? Thank you very much!! Eduardo

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• Configure PEAR on CentOS 6 and PLESK

  - by RCNeil

  I'm hoping to get a little assistance with configuring PEAR to work properly. I have a PHP file that's calling PEAR's mail and mail-mime files, and I believe I am missing some steps because I keep getting the very common Warning: include_once(Mail.php): failed to open stream: No such file or directory Warning: include_once(Mail_Mime/mime.php): failed to open stream: No such file or directory It is installed - Installed packages, channel pear.php.net: ========================================= Package Version State Archive_Tar 1.3.7 stable Console_Getopt 1.2.3 stable Mail 1.2.0 stable Mail_Mime 1.8.3 stable PEAR 1.9.4 stable Structures_Graph 1.0.4 stable XML_RPC 1.5.4 stable XML_Util 1.2.1 stable And according to this TUT, I need to configure it appropriately in each vhost. I have already gone through and adjusted the php.ini file, but when the TUT speaks of the php_admin_value open_basedir "/var/www/vhosts/example.com/httpdocs:/tmp:/usr/share/pear:/local/PEAR" in my /var/www/vhosts/example.com/conf/httpd.include file I kind of get lost. There are several httpd.include files in that directory, all preceded with very long numerical strings. All I want to do is have an email attachment in my form.... Any insight or similar experiences shared would be greatly appreciated.

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• HTTP responses curl and wget different results

  - by Fab

  To check HTTP response header for a set of urls I send with curl the following request headers foreach ( $urls as $url ) { // Setup headers - I used the same headers from Firefox version 2.0.0.6 $header[ ] = "Accept: text/xml,application/xml,application/xhtml+xml,"; $header[ ] = "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5"; $header[ ] = "Cache-Control: max-age=0"; $header[ ] = "Connection: keep-alive"; $header[ ] = "Keep-Alive: 300"; $header[ ] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7"; $header[ ] = "Accept-Language: en-us,en;q=0.5"; $header[ ] = "Pragma: "; // browsers keep this blank. curl_setopt( $ch, CURLOPT_URL, $url ); curl_setopt( $ch, CURLOPT_USERAGENT, 'Googlebot/2.1 (+http://www.google.com/bot.html)'); curl_setopt( $ch, CURLOPT_HTTPHEADER, $header); curl_setopt( $ch, CURLOPT_REFERER, 'http://www.google.com'); curl_setopt( $ch, CURLOPT_HEADER, true ); curl_setopt( $ch, CURLOPT_NOBODY, true ); curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true ); curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true ); curl_setopt( $ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY ); curl_setopt( $ch, CURLOPT_TIMEOUT, 10 ); //timeout 10 seconds } Sometimes I receive 200 OK which is good other time 301, 302, 307 which I consider good as well, but other times I receive weird status as 406, 500, 504 which should identify an invalid url but when I open it on the browser they are fine for example the script returns http://www.awe.co.uk/ => HTTP/1.1 406 Not Acceptable and wget returns wget http://www.awe.co.uk/ --2011-06-23 15:26:26-- http://www.awe.co.uk/ Resolving www.awe.co.uk... 77.73.123.140 Connecting to www.awe.co.uk|77.73.123.140|:80... connected. HTTP request sent, awaiting response... 200 OK Does anyone know which request header I am missing or adding in excess?

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