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  • How do I calculate the cost of printing a given page?

    - by Alenanno
    I have seen questions like How much does a square inch of ink cost and How much more will a high-dpi image cost to print?, but mine isn't asking neither about a specific case, nor about how much something costs, as that would depend on the toner, for example. Rather, I was wondering how should I go about calculating the cost of printing a given page. Note that "given page" should be seen as a sort of x, i.e. the answer should be applicable in any case; I'd like this question to provide a good reference for those who want to calculate this cost. What should be taken into consideration? The cost of a single page (the paper only) is easily checkable, since you divide the cost of the whole package for the number of pages in the package itself. But how do I calculate the cost of the ink/toner? Which could translate to: how do I calculate the Ink Density1 for a given printer? I know it depends on quality of the printer itself, the type, the quality of the image being printed, the very nature of what I'm going to print, etc. But again, the focus of my question is not on the variables of this case, but rather the constants, hoping the math simile works for this case too. 1: Total amount of ink in one area of the page.

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  • Control Panel as menu includes a blank item

    - by Matthew Ferreira
    When viewed as a menu attached to the Start Menu in Windows 7 Ultimate x64, the Control Panel contains a blank item. It looks like this: This item cannot be deleted or removed. I also cannot create a shortcut to it. No error message is displayed, instead simply nothing happens. I've tried using Shell Object Editor (using Run as Administrator) to find out if there is an errant entry on the Control Panel, but many entries (almost two dozen) are blank. There are several valid entries as well. I've looked through the registry and through C:\Windows, \system32, and \SysWOW64 but have had no success. I looked at this question, but I am not using Windows XP and thus have no option to use Tweak UI's Rebuild Icons function. Please note that this is no empty entry in the Control Panel when opened normally, only when attached to the Start Menu as a menu. I have compared the list of entries on the attached menu to the normal Control Panel and other than the blank entry, they are exactly the same. Nothing is missing from one or the other. I've also compared the menu and the normal view to reference images and lists of Control Panel items and have found no irregularities. Is anyone familiar with this problem or know of a solution? I've performed virus and malware scans and found nothing. I've used CCleaner with no change. Nothing with Shell Object Editor. Nothing with Registry Editor. Certainly someone here knows how to fix this. My only guess is the many blank entries visible in Shell Object Editor, but I am reluctant to delete that many items without further analysis and guidance. I appreciate your time and consideration.

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  • Transferring an SQL Processor License to a virtual hosted environment

    - by Andrew Shepherd
    My company is currently hosting a service in-house, and we want to move to an externally hosted environment. We would then be using a virtual server. I understand that this might be spread across multiple machines, but from my perspective as a customer, this layer is abstracted away - I shouldn't know or care about the hardware that the OS is hosted on. We have a licensed edition of SQL Server 2008. This is one Processor license. Will it be a violation of the licensing agreement to use this in a virtual environment. From the reference guide here it says When licensed Per Processor With Workgroup, Web, and Standard editions, for each server to which you have assigned the required number of per processor licenses, you may run, at any one time, any number of instances of the server software in physical and virtual operating system environments on the licensed server. However, the total number of physical and virtual processors used by those operating system environments cannot exceed the number of software licenses assigned to that server For enterprise edition there is an added option: if all physical processors in a machine have been licensed, then you may run unlimited instances of SQL server 2008 in one physical and an unlimited number of virtual operating environments on that same machine. I'm having trouble getting my head around this. Would I theoretically have to get a license for every processor in this virtual environment (which is effectively impossible because I have no way of knowing how many processors there actually are)? Or can I just say that it's hosted on one "virtual" server, so that's OK?

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  • Family server setup [closed]

    - by Manny
    Hi all, I really hope some of you can give me some direction. I have setup a linux server at home and through samba I can access files from different computers in my home. I would like to use this server as a file-server for my family (brothers, sisters and parents who all live in their own homes). I really like the way it is set up right now with user and permission controls, but I've read that it is bad idea to open up the samba port to the world. The requirements are simple: 1) it should be easy to access, by using standard web browsers or mounting the drive (shouldn't have to use any VPN setup or use putty etc) 2) should be somewhat secure. We just want to share family pictures instead of putting them on facebook or picasa or other web server, nothing top secret. Here is what I've looked into: 1)Webdav. It seems decent but seems like it windows7 doesn't like it very much, even with digest mode authentication. User controls and permissions are not as flexible as samba (or at least to my knowledge). I really like the user and group permissions in samba, but if I could live with webdav if it worked seamlessly with windows, it should just work shouldn't it? 2) I read somewhere to stay away from ftp as it is outdated and that there are newer and better internet file-server setups? Was that a reference to webdav? I am so confused, please help... Manny

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  • Cumulative average using data from multiple rows in an excel table

    - by Aaron E
    I am trying to calculate a cumulative average column on a table I'm making in excel. I use the totals row for the ending cumulative average, but I would like to add a column that gives a cumulative average for each row up to that point. So, if I have 3 rows I want each row to have a column giving the average up to that row and then the ending cumulative average in the totals row. Right now I can't figure this out because I'd be having to reference in a formula rows above and below the current row and I'm unsure about how to go about it because it's a table and not just cells. If it was just cells then I know how to do the formula and copy it down each row, but being that the formula I need depends on whether or not a new row in the table is added or not I keep thinking that my formula would be something like: (Completion rate row 1/n) where n is the number of rows up to that point, here row 1, then ((Completion rate row 1 + Completion rate row 2)/n) for row 2 so n=2, and so on for each new row added. Please advise.

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  • Pages load in brower fine, but 404 not found reported for the page during the GET on all pages except index

    - by user885983
    I believe this question is more suited to serverfault (please correct me if not). This issue appears very similar to this question (except there are no 301 Moved Permanently for any pages). The domain is yorkshirebadges.co.uk. For example, loading yorkshirebadges.co.uk or yorkshirebadges.co.uk/index.php reports no 404s during network inspection. But every other page (/contact.php, /products.php) report a not found. Mod_rewrite is being used on the site, I checked this out but didn't see any obvious errors. It's included below for reference: RewriteEngine on RewriteRule ^store/material/([^/\.]+)/price/?([^/\.]+)?$ products.php?prodType=$1&price=$2 RewriteRule ^store/price/?([^/\.]+)?$ products.php?price=$1; RewriteRule ^store/material/?([^/\.]+)?$ products.php?prodType=$1 RewriteRule ^store/([^/\.]+)/?$ products.php?prodCat=$1 RewriteRule ^store/([^/\.]+)/price/([^/\.]+)$ products.php?prodCat=$1&price=$2 RewriteRule ^store/Type/?([^/\.]+) products.php?prodType=$1 RewriteRule ^store/([^/\.]+)/?([^/\.]+)?$ view-product-details.php?cat=$1&prodName=$2 RewriteRule ^store/([^/\.]+)/material/?([^/\.]+)?$ products.php?prodCat=$1&prodType=$2 RewriteRule analytics http://www.google.com/analytics <IfModule mod_suphp.c> suPHP_ConfigPath /home/yorkshir <Files php.ini> order allow,deny deny from all </Files> </IfModule> Chrome Network Inspection (and firebug on firefox) report 404s on all pages except the index, the server is apache2. Really scratching my head on this one!

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  • Lots of strange IP addresses in my Windows Firewall logs. Concern?

    - by gmoore
    Was trying to debug a Samba sharing issue with Mac OS X so I turned on logging for my Windows Firewall. I didn't expect a lot of conections but the thing filled up quickly. Here's a sample: 2009-12-21 08:49:32 OPEN-INBOUND TCP 192.168.0.4 192.168.0.3 56335 139 - - - - - - - - - 2009-12-21 08:49:33 OPEN-INBOUND TCP 192.168.0.4 192.168.0.3 56337 139 - - - - - - - - - 2009-12-21 08:50:02 OPEN UDP 192.168.0.3 68.87.73.242 1389 53 - - - - - - - - - 2009-12-21 08:50:02 CLOSE TCP 192.168.0.3 212.96.161.238 1391 80 - - - - - - - - - 2009-12-21 08:50:02 OPEN UDP 192.168.0.3 68.87.71.226 60290 53 - - - - - - - - - 2009-12-21 08:50:02 OPEN TCP 192.168.0.3 212.96.161.238 1391 80 - - - - - - - - - 2009-12-21 08:50:02 OPEN TCP 192.168.0.3 212.96.161.238 1393 80 - - - - - - - - - 2009-12-21 08:50:04 CLOSE TCP 192.168.0.3 212.96.161.238 1393 80 - - - - - - - - - 2009-12-21 08:50:41 CLOSE UDP 192.168.0.3 192.168.0.4 137 50300 - - - - - - - - - I can pick out the local IP addresses (192.168.0.3 is my Windows XP machine, 192.169.0.4 is Mac OS X) as I debug the Samba issue. But some of the others resolve to Comcast (my ISP) and others resolve to weird hosts like van-dns.com and navisite.net. It doesn't look like any connection sent/received any bytes. I used the reference here: http://technet.microsoft.com/en-us/library/cc758040%28WS.10%29.aspx. Is it a cause for concern?

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  • best practices for setting up a new windows 2008 R2 server with ec2 AWS

    - by Alex
    Can someone comment what they would add to the following list of SOP in terms of best practices? This is being set up on AWS, and then after further testing, back in our datacenter. Standard Operation Procedure (SOP): Installation Part: 2 - Installation of Software Components in Windows 2008 R2 (Updated). Step: 1 Logon to the host through Remote Desktop. Strp: 2 Open Server Manager - Server Roles - Install Web Server IIS 7.5 with compatible of IIS 6 features and Management compatibility mode. Step: 3 Open IE/Mozilla to Download the below listed software's and save all installation files to folder called "AWS Server Install Files" for future reference.. Net Framework 2.0 (Download that from internet) Crystal reports for .Net Framework 2.0 (x64) (Download that from internet) SQL Server 2005 (AWS Image) Step: 4 Once all software's saved on local drive, then Install it one by one. Step: 5 Navigate to Desktop folder to install the below listed softwares. Microsoft Asp.net 2.0 AjaxExtention 1.0 (placed on Desktop \Softwares) WebEx recorder. (placed on Desktop \Softwares) Winrar(placed on Desktop \Softwares) Step: 6 Make sure all the software are working fine. Step: 7 Inspect the server once entirely. Step: 8 Logoff & Stop the Instance.

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  • Apache HTTP Server+Tomcat: Which file generates mod_jk.conf, how to modify generated stuff, and how does httpd reach it?

    - by Sk8erPeter
    I'm using XAMPP with Apache HTTP Server and Tomcat Add-On installed. There's a default mod_jk.conf which is generated by Tomcat when starting it. But which file generates this mod_jk.conf file? How can I modify default values? By default, it looks like this: pastebin - mod_jk.conf. How does Apache HTTP Server reach this file? I can't see any reference to this file when looking into httpd.conf. When I put a VirtualHost in my httpd.conf file, and I put the line JkMount /* ajp13 into it, Apache HTTP Server service can't start (causes a 7024 event id error in Event Viewer (with error code 1, but nothing specific), but puts no error messages into error.log. The VirtualHost looks like this: pastebin - VirtualHost + JkMount. This way Apache HTTP Server can not start. If I comment out the line JkMount /* ajp13, it starts without a problem. BUT if I put the following line, which is the same as in mod_jk.conf, before the mentioned VirtualHost again, the service can start! <IfModule !mod_jk.c LoadModule jk_module "C:/xampp/tomcat/xampp/apache/modules/mod_jk.so" </IfModule Why do I have to put this line in again? Why does that happen, that the http://localhost/example does work, so this query is redirected to AJP13, but I have to put the LoadModule line in again in another file? EDIT: I don't have a clue why, I surely modified something, but now /example doesn't work either... And the config above gives a 500 Internal Server Error... :S Thanks!

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  • Exchange 2010 Hub Transport Role Fails - Registry Keys Missing?

    - by DKNUCKLES
    I've inherited an attempted Exchange 2010 implementation from a colleague that apparently failed. I've almost managed to bring it back from the dead, but the Hub Transport role fails to install with the following error [10/06/2012 02:30:44.0119] [2] Beginning processing Set-LocalPermissions -Feature:'Bridgehead' [10/06/2012 02:30:44.0166] [2] [ERROR] Unexpected Error [10/06/2012 02:30:44.0166] [2] [ERROR] The registry key "SOFTWARE\Microsoft\ExchangeServer\v14\Transport" does not exist under "HKEY_LOCAL_MACHINE". [10/06/2012 02:30:44.0182] [2] Ending processing Set-LocalPermissions [10/06/2012 02:30:44.0182] [1] The following 1 error(s) occurred during task execution: [10/06/2012 02:30:44.0182] [1] 0. ErrorRecord: The registry key "SOFTWARE\Microsoft\ExchangeServer\v14\Transport" does not exist under "HKEY_LOCAL_MACHINE". [10/06/2012 02:30:44.0182] [1] 0. ErrorRecord: System.ArgumentException: The registry key "SOFTWARE\Microsoft\ExchangeServer\v14\Transport" does not exist under "HKEY_LOCAL_MACHINE". at Microsoft.Exchange.Management.Deployment.SetLocalPermissions.GetTargetRegistryKey(XmlNode targetNode) at Microsoft.Exchange.Management.Deployment.SetLocalPermissions.ChangePermissions[TTarget,TSecurity,TAccessRule,TRights](XmlNode targetNode, Dictionary`2 rightsDictionary, GetTarget`1 getTarget, GetOrginalPermissionsOnTarget`2 getOrginalPermissionsOnTarget, SetPermissionsOnTarget`2 setPermissionsOnTarget, CreateAccessRule`2 createAccessRule, AddAccessRule`2 addAccessRule, RemoveAccessRuleAll`1 removeAccessRuleAll) at Microsoft.Exchange.Management.Deployment.SetLocalPermissions.SetPermissionsOnCurrentLevel[TTarget,TSecurity,TAccessRule,TRights](XmlNode permissionSetNode, String targetType, Dictionary`2 rightsDictionary, GetTarget`1 getTarget, GetOrginalPermissionsOnTarget`2 getOrginalPermissionsOnTarget, SetPermissionsOnTarget`2 setPermissionsOnTarget, CreateAccessRule`2 createAccessRule, AddAccessRule`2 addAccessRule, RemoveAccessRuleAll`1 removeAccessRuleAll) at Microsoft.Exchange.Management.Deployment.SetLocalPermissions.SetPermissionsOnCurrentLevel(XmlNode permissionSetNode) at Microsoft.Exchange.Management.Deployment.SetLocalPermissions.SetFeaturePermissions(String feature) at Microsoft.Exchange.Management.Deployment.SetLocalPermissions.InternalProcessRecord() [10/06/2012 02:30:44.0197] [1] [ERROR] The following error was generated when "$error.Clear(); Set-LocalPermissions -Feature:"Bridgehead" " was run: "The registry key "SOFTWARE\Microsoft\ExchangeServer\v14\Transport" does not exist under "HKEY_LOCAL_MACHINE".". [10/06/2012 02:30:44.0197] [1] [ERROR] The registry key "SOFTWARE\Microsoft\ExchangeServer\v14\Transport" does not exist under "HKEY_LOCAL_MACHINE". [10/06/2012 02:30:44.0197] [1] [ERROR-REFERENCE] Id=BridgeheadLocalPermissionsComponent___2e2dbc2a97cb4429bc2074edc50bedbd Component=EXCHANGE14:\Current\Release\Shared\Datacenter\Setup [10/06/2012 02:30:44.0197] [1] Setup is stopping now because of one or more critical errors. [10/06/2012 02:30:44.0197] [1] Finished executing component tasks. [10/06/2012 02:30:44.0244] [1] Ending processing Install-BridgeheadRole I've been unable to find any documentation on how to resolve this issue. Any help would be appreciated.

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  • MRTG Monitoring of Disk

    - by Antitribu
    I am trying to monitor Disk usage over SNMP using MRTG on CentOS5.2. I'm open to any suggestions as to the best way to achieve this (I would also like to do other metrics like CPU). Please don't assume I know anything about MRTG. I am using the following config: LoadMIBs: /usr/share/snmp/mibs/UCD-SNMP-MIB.txt,/usr/share/snmp/mibs/TCP-MIB.txt workdir: /var/www/html/mrtg/temp/ # # Disk Usage Monitoring # Target[servername.]: dskPercent.0&dskPercent.0:[email protected] Title[servername.]: / on servername routers.cgi*Desc[servername.]: / on servername routers.cgi*ShortDesc[servername.]: / MaxBytes[servername.]: 100 AbsMax[servername.]: 100 Options[servername.]: growright,nopercent,gauge YLegend[servername.]: used disk space ShortLegend[servername.]: % used Legend1[servername.]: usage Legend2[servername.]: usage Legend3[servername.]: peak usage Legend4[servername.]: peak usage LegendI[servername.]: usage LegendO[servername.]: usage routers.cgi*Icon[servername.]: disk-sm.gif routers.cgi*Options[servername.]: noo,nomax,noabsmax Unscaled[servername.]: dwmy I receive the errors: Unknown SNMP var dskPercent.0 at /usr/bin/mrtg line 2035 Unknown SNMP var dskPercent.0 at /usr/bin/mrtg line 2035 From forum surfing etc the suggestion is to use the fully qualified OIDs, I'd like to avoid this (for readability). So essentially I'm wondering where can I find a mib file compatible with mrtg for it's reference or a working config file.

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  • Can Spotlight or Media Browser index metadata contained in iPhoto or Aperture in Mac OS X?

    - by jaydles
    It seems silly to go to all the trouble to assign "Face" data to thousands of photos, but not make it possible to use that data to locate them outside of that application. Is there any way to get Spotlight or Media Browser in OSX (Snow Leopard) to index and recognize metadata (Faces, Places, etc.) contained in iPhoto or Aperture? I know that that metadata is stored in the "library" database for Aperture/iphoto, rather than on the actual files (which is too bad). And I can even potentially see why it might create challenges for spotlight to use it, since spotlight is presumably a file index system, not a media organizer, but surely the media browser used across the other OSX apps is intended to use it? The media browser's whole purpose seems to be to let you easily locate and reference the items you organize in one of the ilife apps (iphoto or Aperture, in this case) from the others (say, imovie, or Mail). It's particularly vexing since the photo app on the iphone sorts by faces by default. Additionally, the mac-based media browser does access smart albums and folders, so you could establish a workaround by creating a smart album for each "face" or place, or tag, and access them that way, but it seems like there must be an easier way. Am I missing something?

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  • Lenovo System Update Breaks Windows Live

    - by wolfvilleian
    Hey everyone, I've been racking my brain (and fingers from typing) trying to solve this issue to no avail. I have a Lenovo computer and I install their system update tool to install all my missing drivers. However after this tool is installed Windows Live 2011 breaks, it will no longer sign in giving error number 8e5e0247 all the solutions online haven't helped. It appears that a language setting somewhere gets set to en_ms, and I'm en_ca. My computer is running Windows 7 x64. When i try to sign onto messenger it gives an error that (with some research) means your locale or language is not supported, I've searched my computer for any reference to en_ms but find none. Also a few other things seem to have broken, When a UAC box comes up it is no longer able to identify the publisher of anything, and also the indexing service does not work (I'm not sure if the indexing issue is related, but the UAC issue happened right after installation), I had this issue before but I don't remember how I fixed it, I believe it had something to do with environmental variables. When it goes to sign in it gets as far as the "Loading contacts" then stops and goes back to the sign in screen. Has anyone seen this before? Thanks

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  • Finding Bluetooth link key in Windows 7, to double pair a device on dualboot computer

    - by Ilari Kajaste
    How can I dig up the Bluetooth link key for a paired device in Windows 7? Is this something that is dependent on the Bluetooth stack I'm using (Toshiba), or is there a generic place to store these in Windows 7? Note: I'm not talking about the six-digit code usually typed by the user during pairing - that is worthless since it's discarded after pairing process. What I mean is the 128-bit link key that the devices exchange during pairing, and use thereafter to encrypt all their Bluetooth traffic. Background: I dualboot Windows 7 / Ubuntu on my laptop, and I would like to have my phone paired to both OS's. Since the dualbooting computer has only one Bluetooth adapter and thus only one Bluetooth address, I cannot do two pairings to the phone, since on the second pairing (Windows) the phone just replaces the previous pairing (Linux) to the same Bluetooth address. A thread on Ubuntu forums pointed me to what I have to do - pair first on Linux, then on Windows, and then replace the link key on Linux side with the one Windows negotiated. I can find the Linux side pairing key from /var/lib/Bluetooth/[BD_ADDR]/linkkeys - no problems there. However, on Windows side I can't find the key. According to the forum post, on Windows side the key should be in SYSTEM\ControlSet002\services\BTHPORT\Parameters\Keys\[BD_ADDR] but while that registry key does exist, it has no subkeys. (And a similar registry path in ControlSet001 didn't have any subkeys either.) One thing I've been instructed to do is to capture all events during pairing with Sysinternals Process Monitor. I did this, but I haven't been able to find any useful information from the captured events, not even by exporting the data to a huge XML and grepping that with the BD_ADDRs (with or without colons). So how could I find the link key for a paired device in Windows 7? Some reference information: Wikipedia: Bluetooth, Security Now: Bluetooth security

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  • MAMP Pro virtual hosts on Mountain Lion not being recognized

    - by user135242
    I'm running MAMP PRO 2.1.1 on OSX 10.8.1 and not having any luck getting Apache to recognize any hosts that have been set up in MAMP besides localhost. This only happens when trying to use port 80. When I switch to port 8888 everything runs fine. Mountain Lion's Apache has been disabled and I get no errors or warnings when starting MAMP and the servers. Any doc root I set for "localhost" runs without problem. Any other server name I define, however, results in "cannot connect" when viewing in Chrome (not to be confused with "cannot find" - the browser is in fact following /etc/hosts to 127.0.0.1, but MAMP's Apache is simply not responding) I was wondering if anyone else has run into this issue or knows how to solve it. I'm working on some WordPress development and it keeps wanting to redirect to the base URL (with no port reference) even during setup. I'm sure I could fix things from the WP side but I'd rather figure out what the root issue is with MAMP. Thanks in advance for any insight you can provide.

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  • Multiple servers vs 1 big server performace

    - by pistacchio
    Hi to all! My team of developers has suggested a server structure for an upcoming project we are developing. Our structure is "logical", meaning that the various logical components of the application (it is a distributed one) relies on different servers. Some components are more critical than others and will be subjected to more load. Our proposal was to have 1 server per component but the hardware guys suggested to replace the various machines with a single, bigger one with virtual servers. They're gonna use Blade Servers. Now, I'm not an expert at all, but my question to the guys was: so if we need, for example, 3 2GHz CPU / 2GB RAM machines and you give me 1 machine with 3 2GHz CPUs and 6 GB of RAM it is the same? They told me it is. Is this accurate? What are the advantages or disadvantages of both the solutions? What are the generally accepted best practices? Could you point out some URL reference dealing with the problem? Thank you in advance! EDIT: Some more info. The (internet / intranet) application is already layered. We have some servers on the DMZ that will expose pages to the internet and the databases are on their own machines. What we want to split (and they want to join) are some webservers that mainly expose webservices. One is a DAL that communicates with the database layer, one is our Single Sign On / User Profile application that gets called once per page and one is a clone of what seen on the Internet to be used on our lan.

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  • How can I "filter" postfix-generated bounce messages?

    - by Flimzy
    We are using postfix 2.7 and custom SMTPD (based on qpsmtpd) in highly customized configuration for spam filtering. We have a new requirement to filter postfix-generated bounces through our custom qpsmtpd process (not so much for content filtering, but to process these bounces accordingly). Our current configuration looks (in part) like this: main.cf (only customizations shown): 2526 inet n - - - 0 cleanup pickup fifo n - - 60 1 pickup -o content_filter=smtp:127.0.0.2 Our smtpd injects messages to postfix on port 2526, by speaking directly to the cleanup daemon. And the custom pickup command instructs postfix to hand off all locally-generated mail (from cron, nagios, or other custom scripts) to our custom smtpd. The problem is that this configuration does not affect postfix generated bounce messages, since they do not go through the pickup daemon. I have tried adding the same content_filter option to the bounce daemon commands, but it does not seem to have any effect: bounce unix - - - - 0 bounce -o content_filter=smtp:127.0.0.2 defer unix - - - - 0 bounce -o content_filter=smtp:127.0.0.2 trace unix - - - - 0 bounce -o content_filter=smtp:127.0.0.2 For reference, here is my main.cf file, as well: biff = no # TLS parameters smtpd_tls_loglevel = 0 smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key smtpd_use_tls=yes smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache smtp_tls_security_level = may mydestination = $myhostname alias_maps = proxy:pgsql:/etc/postfix/dc-aliases.cf transport_maps = proxy:pgsql:/etc/postfix/dc-transport.cf # This is enforced on incoming mail by QPSMTPD, so this is simply # the upper possible bound (also enforced in defaults.pl) message_size_limit = 262144000 mailbox_size_limit = 0 # We do our own message expiration, but if we set this to 0, then postfix # will try each mail delivery only once, so instead we set it to 100 days # (which is the max postfix seems to support) maximal_queue_lifetime = 100d hash_queue_depth = 1 hash_queue_names = deferred, defer, hold I also tried adding the internal_mail_filter_classes option to main.cf, but also tono affect: internal_mail_filter_classes = bounce,notify I am open to any suggestions, including handling our current content-filtering-loop in a different way. If it's not clear what I'm asking, please let me know, and I can try to clarify.

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  • Permissions in OS X for iTunes library with multiple users

    - by John
    I currently have a lot of music on an external drive and my iTunes set up from there. However, periodically, when the external drive isn't connected, iTunes will default back to the library location of my home directory user path. I don't want to mess with an external drive, as my Mac's HD is large enough to house the music collection. However, I have 4 family members – all with their own logins – using this same gob of music. I don't want four copies of the library, only one with all libraries referencing it. So, what I want to do is: Move all music files to a shared directory at /Macintosh HD/users/music. I created this directory and adjusted permissions, so all four users can read and write to this directory. Get all four accounts to reference this library instead of the external or local home locations I am hoping I can just check the box to keep library organized in my account, which is the admin and let iTunes move it all. Then delete current libraries for each account and re-add from the new shared location. Will the iTunes organization process cause permissions issues either by setting permissions to all the files access to my account only or write permissions or any other 'gotcha'? I am having a hard time coming up with a smooth solution that won't break everything and cause me to have mega duplicates or access issues. I would prefer not to do any XML library file editing if possible. Am I dreaming?

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  • How to transform a csv to combine matching rows?

    - by Christian Wolf
    I have a CSV file with some transaction data. Let's say date, volume, price and direction (sell/buy). Additionally there is a ID for each transaction and on each closing transaction (the newer one) there is a reference to the corresponding transaction. Classical database referencing. Now I want to do some statistics and draw some plots. This could be done via Octave, LaTeX/TikZ, Gnuplot or whatever. To do this I need both buy and sell price in one row. My thought was to preprocess the CSV to get another CSV containing the needed information and then to do the statistics. In the end I'd like to have a solution based on scripts and not on a spreadsheet as data might change often (exported from online DB). My actual solution (see http://paste.ubuntu.com/6262822/ ) is a bash script that parses the CSV line by line and checks if there exists a corresponding transaction. If found, a new row is written to the destination CSV. If not a warning is printed. The bad news: For each row in the source file I have to read the whole file a few times. This causes long running times of 10sec for 300 lines. As the line number might rise soon (10k lines), this is not perfect. I am aware, that there are many shells to be opened in the script which might cause the performance problems. Now my questions: Is bash/awk/sed/.... a good way to do things? Should I first import all data into a "real" local database to use SQL? Is there an easy way to achieve the desired results?

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  • Configuring IE to resolve DNS at the proxy rather than locally.

    - by dankilman
    With the intention of tunneling web traffic through an SSH connection, the following has been done: I've manually configured a PAC file in IE7 in the LAN Settings dialog. I've verified that traffic is routed through my SSH tunnel that is setup for SOCKS5 dynamic port forwarding. I see that IE7 is always trying to resolve the name locally first. What I'm looking for is the ability to have the DNS name resolved at the proxy, rather than locally by the browser. There's a setting in Firefox that specifies DNS remote resolution, and Safari does it automatically. I've verified correct operation for these 2 other browsers. It would be nice if I could get IE to work also. This is for reference so you could understand where does the question originate from. Notice: The question was actually found by the help of google but with no answers available. Considering how it is exactly my question I figured I should just copy/paste over here because I don't think I could describe any better (there is a small introduction though).

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  • What mobile phones are viable for a "nerdy" person? [closed]

    - by Blixt
    This community wiki is for determining a list of good mobile phone choices if you are "nerdy" (definition follows.) As a point of reference, the almost two years old N95 8GB will be used. Mostly because that's what I can most relate to since I've had it since it came out. Today, iPhone and other modern mobile phones really out-shine it in usability and interface. However, it still does everything I want it to do (and here's the definition of "nerdy"; modify as needed): Syncs contacts, calendar, tasks and mail in the background Can run multiple installable applications in the background (Google Maps with Latitude, for example) Good amount of space for music etc. Lets you develop your own little toy applications (Python; not to mention it can also run an Apache server with a public URL!) Tethering! Supports Flash (maybe not very important, but it has its uses) Has a manufacturer that believes in the nerdiness! (The people at Nokia Labs make lots of cool stuff and share early versions with the community and are generally open) A high resolution screen (at least 320x240) Special hardware features such as an accelerometer and GPS What's missing from the N95 8GB but still qualifies as good, "nerdy", qualities: 7.2 Mbit/s (or faster) internet through HSDPA or HSPA+. A good web browser that can do most of the stuff a desktop browser can (especially render sites properly and run JavaScript correctly) Touch (especially multi-touch) More special hardware features such as a compass Intuitive and fluent user interface (Shiny stuff) Ability to configure it to trust root certificates of my own choice A processor fast enough to run Quake 3! =)

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  • Configure samba server for Unix group

    - by Bird Jaguar IV
    I'm trying to set up a samba server with access for users in the Linux (RHEL 6) "wheel" group. I am basing smb.conf off of the example here where it goes through the [accounting] example. In my smb.conf I have [tmp] comment = temporary files path = /var/share valid users = @wheel read only = No create mask = 0664 directory mask = 02777 max connections = 0 (rest of the output from $ testparm /etc/samba/smb.conf is here). And groups `whoami` returns user01 : wheel. When I use the following command from another machine (Mac OS) as the Linux user (user01): $ smbclient -L NETBIOSNAME/tmp it asks for a password, I hit return without a password, and get: Enter user01's password: Anonymous login successful Domain=[DOMAIN] OS=[Unix] Server=[Samba 3.6.9-151.el6_4.1] Sharename Type Comment --------- ---- ------- tmp Disk temporary files IPC$ IPC IPC Service (Samba Server Version 3.6.9-151.el6_4.1) But when I try $ smbclient //NETBIOSNAME/tmp I try entering the password I use for the Linux login, and get a bunch of stuff logged, including check_sam_security: Couldn't find user 'user01' in passdb. ... session setup failed: NT_STATUS_LOGON_FAILURE (I can give more logging information if it would be helpful.) I can't find a reference to more steps I need to add group users in the resource. Should I be manually adding samba users from the group somehow? Thank you

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  • Is there any proper documentation for mod-evasive?

    - by Question Overflow
    mod_evasive20 is one of the loaded modules on my httpd server. I read good things about how it can stop a DOS attack and wanted to try it out on my localhost. A search for mod_evasive turns up a blog post by the author which briefly describes what it does. Other than that, I can't seem to find a reference or a documentation on the apache modules site. I was wondering whether it is a module recognised by Apache since there is no mention of it on its website. I have a mod_evasive.conf file sitting in the /etc/http/conf.d folder that contains the following lines: LoadModule evasive20_module modules/mod_evasive20.so <IfModule mod_evasive20.c> DOSHashTableSize 3097 DOSPageCount 2 DOSSiteCount 50 DOSPageInterval 1 DOSSiteInterval 1 DOSBlockingPeriod 10 </IfModule> My understanding from the setting is that if I were to click refresh or send a form more than two times in a one second interval, apache will issue a 403 error and bar me from the site for 10 seconds. But that is not happening on my localhost. And I would like to know the reason. Thanks.

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  • Apache proxy: Why is one vhost returning Forbidden while the other one works?

    - by Stefan Majewsky
    I have a Java application that needs to talk to another intranet website using HTTPS in both directions. After fighting with Java's SSL implementations for some time, I gave up on that, and have now set up an Apache that's supposed to act as a bidirectional reverse proxy: external app ---(HTTPS request)---> Apache ---(local HTTP request)---> Java app This direction works just fine, however the other direction does not: Java app ---(local HTTP request)---> Apache ---(HTTPS request)---> external app This is the configuration for the vhost implementing the second proxy: Listen 127.0.0.1:8081 <VirtualHost appgateway:8081> ServerName appgateway.local SSLProxyEngine on ProxyPass / https://externalapp.corp:443/ ProxyPassReverse / https://externalapp.corp:443/ ProxyRequests Off AllowEncodedSlashes On # we do not need to apply any more restrictions here, because we listened on # local connections only in the first place (see the Listen directive above) <Proxy https://externalapp.corp:443/*> Order deny,allow Allow from all </Proxy> </VirtualHost> A curl http://127.0.0.1:8081/ should serve the equivalent of https://externalapp.corp, but instead results in 403 Forbidden, with the following message in the Apache error log: [Wed Jun 04 08:57:19 2014] [error] [client 127.0.0.1] Directory index forbidden by Options directive: /srv/www/htdocs/ This message completely puzzles me: Yes, I have not set up any permissions on the DocumentRoot of this vhost, but everything works fine for the other proxy direction where I haven't. For reference, here's the other vhost: Listen this_vm_hostname:443 <VirtualHost javaapp:443> ServerName javaapp.corp SSLEngine on SSLProxyEngine on # not shown: SSLCipherSuite, SSLCertificateFile, SSLCertificateKeyFile SSLOptions +StdEnvVars ProxyPass / http://localhost:8080/ ProxyPassReverse / http://localhost:8080/ ProxyRequests Off AllowEncodedSlashes On # Local reverse proxy authorization override <Proxy http://localhost:8080/*> Order deny,allow Allow from all </Proxy> </VirtualHost>

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  • Creating a Jenkins build farm in a hands-off manner?

    - by user183394
    My colleague and I have set up and run Jenkins on a KVM guest running Ubuntu 12.04 with good results for a while now. We are thinking about deploying a cluster of Jenkins CI hosts in master/slave configuration, with the libvirt slave plugin to keep our hardware count low. Our environment is strictly Linux (CentOS, Scientific Linux, Fedora, and Ubuntu). Both of us are competent in setting up large clusters. We typically use tools like cobbler + a configuration management tool (Puppet, Chef, and alike) to set up a large number of machines (physical and/or virtual) hands off (hundreds of nodes in less than an hour typical). We would like to do the same for nodes running Jenkins. But the step by step guide doesn't give us any clues in this regard. I did see a Multi-slave config plugin. But, being used to dealing with hundreds or more machines completely hands-off, clicking the UI for many machines just doesn't feel right. Can someone point to us a reference that talks about how to set up large cluster of Jenkins CI hosts more in the hands-off way?

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