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• I cut-to-move DCIM folder to ext SD when an auto android OS update popped up b4 I could choose target - Cannot recover 200+ photos

  - by ZeroG

  I was downloading my Exhibit II's DCIM camera folder (with month's of photos inside) to its external SD card, in order to transfer them into my laptop. In my overconfidence, I hurriedly chose cut-to-move (rather than copy-to-move) when KABOOM! —an automatic Android OS update popped up before I could choose the target!!! I figured everything was in cache & calmly tried to go through with the update. But that was not a typically seamless event. It showed downloading icon but hmm… since I rooted the phone it brought the command line up & recovery sequence. But neither Android nor I had yet downloaded any alternate custom ROM Files to internal SD to update from! So were they trying to make me unroot my phone by giving me some bogus update on the fly or just give me a hard time in trying to hand me down an unrooted ROM that I'd have to figure out how to root again? Yes, I know there was that blurb about overwriting a file of the same name but I was trying to shake the darn stubborn update being forced on my phone during this precarious moment. I thought I had frozen or turned off all those auto-updates previously. Anyway, phones are small & fingers are big (sigh)... I tried to reboot into safe mode but the resultant photo file was partially overwritten (200 files had names but Zero bytes in them). I thought maybe it was still hung in cache or deposited somewhere else but I have searched everywhere with file managers. Since I did not have Titanium backing up camera, photo folder or gallery, I cannot recover 200+ photos. Dumb. You can understand my dilemma as I am involved in the arts & although just a camera phone, most of these photos were historic & aesthetic or at least as to subject matter. Photo-ops don't reoccur. I have tried a couple of recovery apps from the market like Search Duplicates & Recover to no avail. I was only able to salvage stuff I'd sent out in messages. I've got several decades in computers & this is such a miserable beginner's piece of bad luck I can't believe it happened to me. They were precious photos! Yes, I turned on Titanium since & yes I even tried USB to laptop recoveries. Being on a MacBookPro I'm trying androidfiletransfer.dmg, but I'd have to upgrade to Peach Sunrise to get above Android 3.0 for that App to recognize the phone via USB & the programmer says installation zeros your data, so that pretty much toasts any secret hidden places where these photos may have been deposited. Don't want to do that & am still trying to find them. They certainly didn't make it to my external SD Card. If any of you techies out there know anything, please help & thanks. Despite decades of being in computing, unfamiliar & ever-changing hard or software can humble even the most seasoned veterans.

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• Debian Lenny to Debian Squeeze upgrade problems

  - by Roland Soós

  Hi! Yesterday I made a dist-upgrade on my Debian Lenny server. I thought it will be easy as an usual upgrade, but it's not. I got a lot of problem after the update: # apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: linux-image-2.6-amd64 : Depends: linux-image-2.6.32-5-amd64 but it is not installed E: Unmet dependencies. Try using -f. Then I tried the suggestion: # apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages were automatically installed and are no longer required: libio-compress-base-perl libatk1.0-0 libts-0.0-0 libmime-types-perl libc-client2007b libgtk2.0-common libxfixes3 libgsf-1-common hicolor-icon-theme libfile-remove-perl libxcomposite1 libltdl3-dev libneon27 libmd5-perl libwmf0.2-7 libilmbase6 libatk1.0-data djvulibre-desktop libdirectfb-1.0-0 fam libxinerama1 libcroco3 libopenexr6 libgsf-1-114 libmail-box-perl libdjvulibre21 openssl-blacklist librsvg2-2 libio-compress-zlib-perl libsysfs2 libbeecrypt6 libxdamage1 libobject-realize-later-perl libuser-identity-perl libgtk2.0-bin libxi6 libxcursor1 portmap libxrandr2 libgtk2.0-0 Use 'apt-get autoremove' to remove them. The following extra packages will be installed: linux-image-2.6.32-5-amd64 Suggested packages: linux-doc-2.6.32 The following NEW packages will be installed: linux-image-2.6.32-5-amd64 0 upgraded, 1 newly installed, 0 to remove and 121 not upgraded. 98 not fully installed or removed. Need to get 0 B/28.6 MB of archives. After this operation, 103 MB of additional disk space will be used. Do you want to continue [Y/n]? y perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "hu_HU.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: Nincs ilyen f?jl vagy k?nyvt?r Preconfiguring packages ... (Reading database ... 37915 files and directories currently installed.) Unpacking linux-image-2.6.32-5-amd64 (from .../linux-image-2.6.32-5-amd64_2.6.32-30_amd64.deb) ... locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: Nincs ilyen f?jl vagy k?nyvt?r dpkg: error processing /var/cache/apt/archives/linux-image-2.6.32-5-amd64_2.6.32-30_amd64.deb (--unpack): failed in write on buffer copy for backend dpkg-deb during `./lib/modules/2.6.32-5-amd64/kernel/sound/pci/hda/snd-hda-codec-realtek.ko': No space left on device configured to not write apport reports dpkg-deb: subprocess paste killed by signal (Broken pipe) locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: Nincs ilyen f?jl vagy k?nyvt?r Running postrm hook script /sbin/update-grub. Searching for GRUB installation directory ... found: /boot/grub Searching for default file ... found: /boot/grub/default Testing for an existing GRUB menu.lst file ... found: /boot/grub/menu.lst Searching for splash image ... none found, skipping ... Found kernel: /boot/vmlinuz-2.6.26-2-amd64 Updating /boot/grub/menu.lst ... done Examining /etc/kernel/postrm.d . run-parts: executing /etc/kernel/postrm.d/initramfs-tools 2.6.32-5-amd64 /boot/vmlinuz-2.6.32-5-amd64 Errors were encountered while processing: /var/cache/apt/archives/linux-image-2.6.32-5-amd64_2.6.32-30_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) # dpkg-reconfigure locales perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LANG = "hu_HU.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). locale: Cannot set LC_CTYPE to default locale: No such file or directory locale: Cannot set LC_ALL to default locale: Nincs ilyen f?jl vagy k?nyvt?r /usr/sbin/dpkg-reconfigure: locales is broken or not fully installed Then I stucked. Do you have any idea how could I solve this?

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• OpenAFS on Fedora/CentOS

  - by Michael Pliskin

  I am trying to see if OpenAFS fits my needs as a distributed filesystem and is a bit stuck. There are docs but they're all quite hard to understand, so asking for some expert advice here. My questions: which version to install? I need windows client support so I need 1.5 - right? But it is not stable.. Or is it? And don't see any pre-built rpms for it, so compiling from sources? tried to compile and it worked but it created a non-"mp" kernel module while my kernel needs an mp one - how to workaround that? do I really need a new fresh partition to start with or I can re-use an existing one and just make it available via afp? any nice HOWTOs around?

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• How do I make an exe into a service on Windows?

  - by user3677994

  I recently made an application that has multiple parts. One of the parts is a networking tool - it always starts with the OS, and it never displays any sort of message. It does, however, start an incredibly irritating console, which is impossible to get rid of without closing the program itself (please just accept this one as given). I have decided to work around this problem by starting the program (it's a *.exe) as a service, thus stopping it from showing up at all. As the application will be distributed to various computers (hence the need for a networking tool in the first place). I need a way to make this program install as a service (so, I don't really want answers that tell me to go through a series of menus on the Control Panel or download a 3rd-party application that has to stay on whichever computer the service will run on). How can I do this?

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• Does multiple files in SQL Server when using RAID help reduce conflicts in growth and file-locking?

  - by Dr Giles M

  I've been reading around and get the impression that if you are using RAID then using multiple SQL Server files within a filegroup won't yeild any more improvements, and the benefits are purely administrative (if you started to run out of space or wanted to partition off data into managable chunks for backups/balancing the data around your big server room). However, being a reasonably savvy software person, it's not unthinkable to hypothesise that, even for smaller databases that SQL Server will perform growth and locking operations (for writes) on a LOGICAL file basis, so even if you are using RAID, it seems to make sense to have multiple files in a file group to balance I/O, or does the time taken to reconstruct the data from distributed filegroups outweigh the benefits of reduced locking? I'm also aware that the behaviour and benefits may be different for tables/indeces/log. Is there a good site that distinguishes the benefits of multiple files when RAID is already in place?

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• How would I / could I obtain an reasonably comprehensive list of domain names?

  - by Simon

  I know that domain names are constantly changing, and I know there are a lot of them, but there is clearly a region of the domain name space which is stable. How would I go about getting a list, even a very big one? Such a thing must logically exist, even if it is in a distributed form, because the web's DNS servers resolve names to IP addresses. So in theory if I could poll all the DNS servers in the world at a moment in time I would have the complete list of mapped names. Is there a practical way of doing that? As an aside, does anyone have any good estimates of how many domain names exist at the moment?

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• FoxPro 2.6 DOS on Windows 7 64-bit

  - by Rolando

  I support a company that has a very old, mission critical, FoxPro for DOS 2.6 (FPD) application. For variuos reasons the company didn't adapt/migrate their app, which, ironically, has been running even better under Windows XP (and 32-bit Win7) because the OS allowed new features like more reliable networking, distributed printing, email integration. Unfortunately for this company, most new machines now come with a 64-bit version of Windows 7, which is incompatible with their FPD app. I know this time the writing is on the wall: the only long-term solution is to migrate their app. But I wonder if anyone can suggest a temporary alternative path, which doesn't involve either: a) downgrade 64-bit Windows to 32-bit, or b) run the app on a virtualized 32-bit XP Thanks! PS: Happy New Year!!!

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• FoxPro 2.6 DOS on Windows 7 64-bit

  - by Rolando

  I support a company that has a very old, mission critical, FoxPro for DOS 2.6 (FPD) application. For variuos reasons the company didn't adapt/migrate their app, which, ironically, has been running even better under Windows XP (and 32-bit Win7) because the OS allowed new features like more reliable networking, distributed printing, email integration. Unfortunately for this company, most new machines now come with a 64-bit version of Windows 7, which is incompatible with their FPD app. I know this time the writing is on the wall: the only long-term solution is to migrate their app. But I wonder if anyone can suggest a temporary alternative path, which doesn't involve either: a) downgrade 64-bit Windows to 32-bit, or b) run the app on a virtualized 32-bit XP Thanks! PS: Happy New Year!!!

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• why nginx rewrite post request from /login to //login?

  - by jiangchengwu

  There is a if statement, which will rewrite url when the client is Android. Everything ok. But, something got strange. Nginx will write post request /login to //login, even if the block of if statement is bank. So I got a 404 page. As the jetty server only accept /login request. Server conf: location / { proxy_pass http://localhost:8785/; proxy_set_header Host $http_host; proxy_set_header Remote-Addr $http_remote_addr; proxy_set_header X-Real-IP $remote_addr; if ( $http_user_agent ~ Android ){ # rewrite something, been commented } } Debug info, origin log https://gist.github.com/3799021 ... 2012/09/28 16:29:49 [debug] 26416#0: *1 http script regex: "Android" 2012/09/28 16:29:49 [notice] 26416#0: *1 "Android" matches "Android/1.0", client: 106.187.97.22, server: ireedr.com, request: "POST /login HTTP/1.1", host: "ireedr.com" ... 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "POST //login HTTP/1.0 Host: ireedr.com X-Real-IP: 106.187.97.22 Connection: close Accept-Encoding: identity, deflate, compress, gzip Accept: */* User-Agent: Android/1.0 " ... 2012/09/28 16:29:49 [debug] 26416#0: *1 HTTP/1.1 404 Not Found Server: nginx/1.2.1 Date: Fri, 28 Sep 2012 08:29:49 GMT Content-Type: text/html;charset=ISO-8859-1 Transfer-Encoding: chunked Connection: keep-alive Cache-Control: must-revalidate,no-cache,no-store Content-Encoding: gzip ... Only when I commented the block in the configration file: location / { proxy_pass http://localhost:8785/; proxy_set_header Host $http_host; proxy_set_header Remote-Addr $http_remote_addr; proxy_set_header X-Real-IP $remote_addr; #if ( $http_user_agent ~ Android ){ # #} } The client can get an 200 response. Debug info, origin log https://gist.github.com/3799023 ... "POST /login HTTP/1.0 Host: ireedr.com X-Real-IP: 106.187.97.22 Connection: close Accept-Encoding: identity, deflate, compress, gzip Accept: */* User-Agent: Android/1.0 " ... 2012/09/28 16:27:19 [debug] 26319#0: *1 HTTP/1.1 200 OK Server: nginx/1.2.1 Date: Fri, 28 Sep 2012 08:27:19 GMT Content-Type: application/json;charset=UTF-8 Content-Length: 17 Connection: keep-alive ... As the log: 2012/09/28 16:29:49 [notice] 26416#0: *1 "Android" matches "Android/1.0", client: 106.187.97.22, server: ireedr.com, request: "POST /login HTTP/1.1", host: "ireedr.com" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script if 2012/09/28 16:29:49 [debug] 26416#0: *1 post rewrite phase: 4 2012/09/28 16:29:49 [debug] 26416#0: *1 generic phase: 5 2012/09/28 16:29:49 [debug] 26416#0: *1 generic phase: 6 2012/09/28 16:29:49 [debug] 26416#0: *1 generic phase: 7 2012/09/28 16:29:49 [debug] 26416#0: *1 access phase: 8 2012/09/28 16:29:49 [debug] 26416#0: *1 access phase: 9 2012/09/28 16:29:49 [debug] 26416#0: *1 access phase: 10 2012/09/28 16:29:49 [debug] 26416#0: *1 post access phase: 11 2012/09/28 16:29:49 [debug] 26416#0: *1 try files phase: 12 2012/09/28 16:29:49 [debug] 26416#0: *1 posix_memalign: 0000000001E798F0:4096 @16 2012/09/28 16:29:49 [debug] 26416#0: *1 http init upstream, client timer: 0 2012/09/28 16:29:49 [debug] 26416#0: *1 epoll add event: fd:13 op:3 ev:80000005 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "Host: " 2012/09/28 16:29:49 [debug] 26416#0: *1 http script var: "ireedr.com" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: " " 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "X-Real-IP: " 2012/09/28 16:29:49 [debug] 26416#0: *1 http script var: "106.187.97.22" 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: " " 2012/09/28 16:29:49 [debug] 26416#0: *1 http script copy: "Connection: close " 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "Accept-Encoding: identity, deflate, compress, gzip" 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "Accept: */*" 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "User-Agent: Android/1.0" 2012/09/28 16:29:49 [debug] 26416#0: *1 http proxy header: "POST //login HTTP/1.0 Host: ireedr.com X-Real-IP: 106.187.97.22 Connection: close Accept-Encoding: identity, deflate, compress, gzip Accept: */* User-Agent: Android/1.0 " ... Maybe post rewrite phase had rewrite the request. Anybody can help me to solve this problem or know why nginx do that ? Much appreciated.

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• Is there a way to set access to WMI using GroupPolicy?

  - by Greg Domjan

  From various documentation it appears that to change WMI access you need to use WMI to access the running service and modify specific parts of the tree. Its kind of annoying changing 150,000 hosts using the UI. And then having to include such changes in the process of adding new hosts. Could write a script to do the same, but that needs to either connect to all those machines live, or be distributed for later update say in an startup/install script. And then you have to mess around with copying binary SD data from an example access control. I've also found you can change the wbem/*.mof file to include an SDDL but I'm really vague on how that all works at the moment. Am I just missing some point of simple administration?

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• OpenAFS on Fedora/CentOS

  - by Michael Pliskin

  I am trying to see if OpenAFS fits my needs as a distributed filesystem and is a bit stuck. There are docs but they're all quite hard to understand, so asking for some expert advice here. My questions: which version to install? I need windows client support so I need 1.5 - right? But it is not stable.. Or is it? And don't see any pre-built rpms for it, so compiling from sources? tried to compile and it worked but it created a non-"mp" kernel module while my kernel needs an mp one - how to workaround that? do I really need a new fresh partition to start with or I can re-use an existing one and just make it available via afp? any nice HOWTOs around?

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• conflict in debian packages

  - by Alaa Alomari

  I have Debian 4 server (i know it is very old) cat /etc/issue Debian GNU/Linux 4.0 \n \l I have the following in /etc/apt/sources.list deb http://debian.uchicago.edu/debian/ stable main deb http://ftp.debian.org/debian/ stable main deb-src http://ftp.debian.org/debian/ stable main deb http://security.debian.org/ stable/updates main apt-get upgrade Reading package lists... Done Building dependency tree... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies. libt1-5: Depends: libc6 (= 2.7) but 2.3.6.ds1-13etch10+b1 is installed locales: Depends: glibc-2.11-1 but it is not installable E: Unmet dependencies. Try using -f. Now it shows that i have Debian 6!! cat /etc/issue Debian GNU/Linux 6.0 \n \l EDIT I have tried apt-get update Get: 1 http://debian.uchicago.edu stable Release.gpg [1672B] Hit http://debian.uchicago.edu stable Release Ign http://debian.uchicago.edu stable/main Packages/DiffIndex Hit http://debian.uchicago.edu stable/main Packages Get: 2 http://security.debian.org stable/updates Release.gpg [836B] Hit http://security.debian.org stable/updates Release Get: 3 http://ftp.debian.org stable Release.gpg [1672B] Ign http://security.debian.org stable/updates/main Packages/DiffIndex Hit http://security.debian.org stable/updates/main Packages Hit http://ftp.debian.org stable Release Ign http://ftp.debian.org stable/main Packages/DiffIndex Ign http://ftp.debian.org stable/main Sources/DiffIndex Hit http://ftp.debian.org stable/main Packages Hit http://ftp.debian.org stable/main Sources Fetched 3B in 0s (3B/s) Reading package lists... Done apt-get dist-upgrade Reading package lists... Done Building dependency tree... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies. libt1-5: Depends: libc6 (= 2.7) but 2.3.6.ds1-13etch10+b1 is installed locales: Depends: glibc-2.11-1 E: Unmet dependencies. Try using -f. apt-get -f install Reading package lists... Done Building dependency tree... Done Correcting dependencies...Done The following extra packages will be installed: gcc-4.4-base libbsd-dev libbsd0 libc-bin libc-dev-bin libc6 Suggested packages: glibc-doc Recommended packages: libc6-i686 The following packages will be REMOVED libc6-dev libedit-dev libexpat1-dev libgcrypt11-dev libjpeg62-dev libmcal0-dev libmhash-dev libncurses5-dev libpam0g-dev libsablot0-dev libtool libttf-dev The following NEW packages will be installed gcc-4.4-base libbsd-dev libbsd0 libc-bin libc-dev-bin The following packages will be upgraded: libc6 1 upgraded, 5 newly installed, 12 to remove and 349 not upgraded. 7 not fully installed or removed. Need to get 0B/5050kB of archives. After unpacking 23.1MB disk space will be freed. Do you want to continue [Y/n]? y Preconfiguring packages ... dpkg: regarding .../libc-bin_2.11.3-2_i386.deb containing libc-bin: package uses Breaks; not supported in this dpkg dpkg: error processing /var/cache/apt/archives/libc-bin_2.11.3-2_i386.deb (--unpack): unsupported dependency problem - not installing libc-bin Errors were encountered while processing: /var/cache/apt/archives/libc-bin_2.11.3-2_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Now: it seems there is a conflict!! how can i fix it? and is it true that the server has became debian 6!!?? Thanks for your help

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• Server-to-Switch Trunking in Procurve switch, what does this mean?

  - by MattUebel

  I am looking to set up switch redundancy in a new datacenter environment. IEEE 802.3ad seems to be the go-to concept on this, at least when paired with a technology that gets around the "single switch" limitation for the link aggregation. Looking through the brochure for a procurve switch I see: Server-to-Switch Distributed Trunking, which allows a server to connect to two switches with one logical trunk; increases resiliency and enables load sharing in virtualized data centers http://www.procurve.com/docs/products/brochures/5400_3500%20Product%20Brochure4AA0-4236ENW.pdf I am trying to figure out how this relates to the 802.3a standard, as it seems that it would give me what I want (one server has 2 nics, each of which is connected to separate switches, together forming a single logical nic which would provide the happy redundancy we want), but I guess I am looking for someone familiar with this concept and could add to it.

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• Rails app deployment challenge, not finding database table in production.log

  - by Stefan M

  I'm trying to setup PasswordPusher as my first ruby app ever. Building and running the webrick server as instructed in README works fine. It was only when I tried to add Apache ProxyPass and ProxyPassReverse that the page load slowed down to several minutes. So I gave mod_passenger a whirl but now it's unable to find the password table. Here's what I get in log/production.log. Started GET "/" for 10.10.2.13 at Sun Jun 10 08:07:19 +0200 2012 Processing by PasswordsController#new as HTML Completed 500 Internal Server Error in 1ms ActiveRecord::StatementInvalid (Could not find table 'passwords'): app/controllers/passwords_controller.rb:77:in `new' app/controllers/passwords_controller.rb:77:in `new' While in log/private.log I get a lot more output so here's just a snippet but it looks to me like it's working with the database. Edit: This was actually old log output, maybe from db:create. Migrating to AddUserToPassword (20120220172426) (0.3ms) ALTER TABLE "passwords" ADD "user_id" integer (0.0ms) PRAGMA index_list("passwords") (0.2ms) CREATE INDEX "index_passwords_on_user_id" ON "passwords" ("user_id") (0.7ms) INSERT INTO "schema_migrations" ("version") VALUES ('20120220172426') (0.1ms) select sqlite_version(*) (0.1ms) SELECT "schema_migrations"."version" FROM "schema_migrations" (0.0ms) PRAGMA index_list("passwords") (0.0ms) PRAGMA index_info('index_passwords_on_user_id') (4.6ms) PRAGMA index_list("rails_admin_histories") (0.0ms) PRAGMA index_info('index_rails_admin_histories') (0.0ms) PRAGMA index_list("users") (4.8ms) PRAGMA index_info('index_users_on_unlock_token') (0.0ms) PRAGMA index_info('index_users_on_reset_password_token') (0.0ms) PRAGMA index_info('index_users_on_email') (0.0ms) PRAGMA index_list("views") In my vhost I have it set to use RailsEnv private. <VirtualHost *:80> # ProxyPreserveHost on # # ProxyPass / http://10.220.100.209:180/ # ProxyPassReverse / http://10.220.100.209:180/ DocumentRoot /var/www/pwpusher/public <Directory /var/www/pwpusher/public> allow from all Options -MultiViews </Directory> RailsEnv private ServerName pwpush.intranet ErrorLog /var/log/apache2/error.log LogLevel debug CustomLog /var/log/apache2/access.log combined </VirtualHost> My passenger.conf in mods-enabled is default for Debian. <IfModule mod_passenger.c> PassengerRoot /usr PassengerRuby /usr/bin/ruby </IfModule> In the apache error.log I get something more cryptic to me. [Sun Jun 10 06:25:07 2012] [notice] Apache/2.2.16 (Debian) Phusion_Passenger/2.2.11 PHP/5.3.3-7+squeeze9 with Suhosin-Patch mod_ssl/2.2.16 OpenSSL/0.9.8o configured -- resuming normal operations /var/www/pwpusher/vendor/bundle/ruby/1.8/bundler/gems/modernizr-rails-09e9e6a92d67/lib/modernizr/rails/version.rb:3: warning: already initialized constant VERSION cache: [GET /] miss [Sun Jun 10 08:07:19 2012] [debug] mod_deflate.c(615): [client 10.10.2.13] Zlib: Compressed 728 to 423 : URL / /var/www/pwpusher/vendor/bundle/ruby/1.8/bundler/gems/modernizr-rails-09e9e6a92d67/lib/modernizr/rails/version.rb:3: warning: already initialized constant VERSION cache: [GET /] miss [Sun Jun 10 10:17:16 2012] [debug] mod_deflate.c(615): [client 10.10.2.13] Zlib: Compressed 728 to 423 : URL / Maybe that's routine stuff. I can see the rake command create files in the relative app root db/. I have private.sqlite3, production.sqlite3 among others. And here's my config/database.yml. base: &base adapter: sqlite3 timeout: 5000 development: database: db/development.sqlite3 <<: *base test: database: db/test.sqlite3 <<: *base private: database: db/private.sqlite3 <<: *base production: database: db/production.sqlite3 <<: *base I've tried setting absolute paths in it but that did not help.

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• Understanding DHCP setting for DNS Server Options and Scope Options

  - by Saariko

  I have installed 2 DC's on my network (W2K8 R2) both serve as a replicate DC on my domain. On one of them (DC1) there is also a DHCP server running. On both I have a DNS server running. I am trying to understand the difference in the settings within the DHCP of Server Options and Scope Options. As I understand it: On the server options, I should put an external DNS for system (lets say 8.8.8.8 - google) And on the scope options, I should put both my internal dc1 and dc2 IP's as the server. - which are than distributed to my domain clients. Is that correct? Is there a better way? Do I need to add loopback address as well?

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• mutt, smime, decrypt with one of two different keys

  - by munin

  This is an odd one. We want to have an encrypted e-mail list. There are a few ways to do this, but in the interim what we've done is created a public/private keypair via openssl for our e-mail list ([email protected]) and then distributed the public/private keypair amongst the list participants (ugh). When someone posts to the list, they encrypt using the lists public key, and everyone has the private key (ugh) so it 'works'. MUAs like Outlook and Thunderbird work with this setup. Mutt has a problem though - it seems to only decrypt a SMIME message with a private key that is specified by your e-mail. So when someone sends an e-mail to the list e-mail, my MUA won't decrypt it. How can I tell Mutt about this second private key?

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• Weird Windows 2003 MSDTC and SQL 2005 issue

  - by seagull surfer

  scenario: Windows 2003 sp2 x64 enterprise edition. SQL 2005 sp2 cu9 x64 Enterprise edition After restarting the resource groups on two node active-active cluster, 3 SQL 2005 instances start up fine. The 4th one starts up but starts throwing the following error. "Enlist operation failed: 0x8004d00e(XACT E NOTRANSACTION). SQL Server could not register with Microsoft Distributed Transaction Coordinator (MS DTC) as a resource manager for this transaction. The transaction may have been stopped by the client or the resource manager." MSDTC is fine since the other 3 function normally. The only way to "fix" it is to take the 4th instance offline and bring it online again. Is there any way to fix this enlistment without restarting?

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• forwardfor information is missing

  - by FAFA

  I use following configuration to load balance https connections, using haproxy 1.4.8. SSL offloading is done by apache. listen ssl_to_waf 192.168.101.54:443 mode tcp balance roundrobin option ssl-hello-chk server wafA 192.168.101.61:444 check listen ssl_from_waf 192.168.101.61:445 balance roundrobin option forwardfor server webA 192.168.101.46:80 check For HTTP requests this works great, requests are distributed to my Apache servers just fine. But for HTTPS request, I lose the "forwardfor" information. I need to save the client IP address. How can I use HAproxy to load balance across a number of SSL servers, allowing those servers to know the client's IP address?

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• Network monitoring solution

  - by Hellfrost

  Hello Serverfault ! I have a big distributed system I need to monitor. Background: My system is comprised of two servers, concentrating and controlling the system. Each server is connected to a set of devices (some custom kind of RF controllers, doesnt matter to my question), each device connects to a network switch, and eventually all devices talk to the servers, the protocol between the servers and the devices is UDP, usually the packets are very small, but there are really a LOT of packets. the network is also somewhat complex, and is deployed on a large area physically. i'll have 150-300 of these devices, each generating up to 100+ packets per second, and several network switches, perhaps on 2 different subnets. Question I'm looking for some solution that will allow me to monitor all this mess, how many packets are sent, where, how do they move through the network, bandwidth utilization, throughput, stuff like that. what would you recommend to achieve this? BTW Playing nice with windows is a requirement.

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• nginx : backend https, proxy_pass shows ip

  - by Vulpo

  I am using nginx as a reverse proxy listening at port 80 (http). I am using proxy_pass to forward requests to backend http and https servers. Everything works fine for my http server but when I try to reach the https server through nginx reverse proxy the ip of the https server is shown in the client's web browser. I want the uri of the nginx server to be shown instead of the https backend server's ip (once again, this works fine with the http server but not for the https server). See this post on the forum Here is my configuration file : server { listen 80; server_name domain1.com; access_log off; root /var/www; if ($request_method !~ ^(GET|HEAD|POST)$ ) { return 444; } location / { proxy_pass http://ipOfHttpServer:port/; } } server { listen 80; server_name domain2.com; access_log off; root /var/www; if ($request_method !~ ^(GET|HEAD|POST)$ ) { return 444; } location / { proxy_pass http://ipOfHttpsServer:port/; proxy_set_header X_FORWARDED_PROTO https; #proxy_set_header Host $http_host; } } When I try the "proxy_set_header Host $http_host" directive and "proxy_set_header Host $host" the web page can't be reached (page not found). But when I comment it, the ip of the https server is shown in the browser (which is bad). Does anyone have an idea ? My other configs files are : proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; #proxy_hide_header X-Powered-By; proxy_intercept_errors on; proxy_buffering on; proxy_cache_key "$scheme://$host$request_uri"; proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=cache:10m inactive=7d max_size=700m; user www-data; worker_processes 2; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; access_log /var/log/nginx/access.log; server_names_hash_bucket_size 64; sendfile off; tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; tcp_nodelay on; gzip on; gzip_comp_level 5; gzip_http_version 1.0; gzip_min_length 0; gzip_types text/plain text/html text/css image/x-icon application/x-javascript; gzip_vary on; include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; } Thanks for your help !

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• VirtualServer reverseproxy works locally, but not from client

  - by Yep

  Setup: 2 Webservers pointed to 127.0.0.1:8080 and :8081. Curl validates they work as expected. Apache with the following virt hosts: NameVirtualHost 192.168.1.1:80 <VirtualHost 192.168.1.1:80> ServerAdmin [email protected] ProxyPass / http://127.0.0.1:8080/ ProxyPassReverse / http://127.0.0.1:8080/ ServerName 192.168.1.1 ServerAlias http://192.168.1.1 </VirtualHost> NameVirtualHost 192.168.1.2:80 <VirtualHost 192.168.1.2:80> ServerAdmin [email protected] ProxyPass / http://127.0.0.1:8081/ ProxyPassReverse / http://127.0.0.1:8081/ ServerName 192.168.1.2 ServerAlias http://192.168.1.2 </VirtualHost> On the server I can curl to the virtualhosts and receive appropriate responses. (curl 192.168.1.1 gives me the webservers response from localhost:8080, etc) remote hosts cannot however connect to 192.168.1.1 or .2 at all. What am I missing? Re: comments Yes, the default directory Directive is still in place. # Deny access to root file system <Directory /> Options None AllowOverride None Order Deny,Allow deny from all </Directory> No apache logs are generated when trying to reach 192.168.1.1 remotely. They do get generated when curl from local. If I point the webservers to *:8080 and *:8081 instead of binding to localhost, I can access them from a remote host via 192.168.1.1 and 192.168.1.2 if i specify the 8080 and 8081 ports (both ports work on both IP's, which is what I'm trying to avoid with apache reverse proxy bind to 80 on each interface) Edit2: curl verbose output: (similar for second webserver, and for 127.0.0.1:portnum) [user@host mingle_12_2_1]$ curl -v 192.168.1.1 * About to connect() to 192.168.1.1 port 80 * Trying 192.168.1.1... connected * Connected to 192.168.1.1 (192.168.1.1) port 80 > GET / HTTP/1.1 > User-Agent: curl/7.15.5 (x86_64-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5 > Host: 192.168.1.1 > Accept: */* > < HTTP/1.1 302 Found < Date: Tue, 16 Oct 2012 16:22:08 GMT < Server: Jetty(6.1.19) < Cache-Control: no-cache < Location: http://192.168.1.1/install < X-Runtime: 130 < Content-Type: text/html; charset=utf-8 < Content-Length: 94 < Connection: close Closing connection #0 <html><body>You are being <a href="http://192.168.1.1/install">redirected</a>.</body></html> log from the request local 192.168.1.1 - - [16/Oct/2012:12:22:08 -0400] "GET / HTTP/1.1" 302 94 no apache access log or error log generated when requests from remote clients.

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• Shared block device file system (cluster file system without networking)

  - by fungs

  Is there any file system that can be mounted multiple times and supports concurrent file access for Linux? Basically I want something like a cluster file system but without the need to have a running network for a distributed lock manager. That can be very handy in connection with virtual machines that can share data with the host or another VM without the need to create a network link. This I want to avoid to keep the network architecture secure (virtual machine in DMZ) but share large files. No need to scale it up, just two machines that mount the same block device. Shouldn't it be possible to have file locking information right on the disk?

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• network user isolation

  - by seaquest

  My question is for a network with a Linux iptables router gateway. How can it be possible to prevent inter-network traffic of those users. Think this case as a public network, IPs are distributed through linux gw and users are authenticated thru the gateway. We want to protect public users from public users. Network is not wireless and I can not use Wireless AP user isolation. Actually I have a simple method. Subnet the network into /30 mask. Give minimum IP of each subnet to the gateay and ditribute those /30 IPs from the subnet. But this is pretty costly for such an aim. I want to ask for other methods Thanks.

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• Bind9 Debian Not responding

  - by Marc

  Im trying to set up a webserver with Bind9, apache2 on Debian 6. I am trying to learn to do it manualy so I do not have any control panels or anything just the command line. I have a domain name lets call it www.example.com I want a virtual host setup so that I can have multiple websites with different names on my server. I have ns1.example.com and ns2.example.com registered at my servers IP (123.456.789.12). Below is my Bind9 named.conf.options options { directory "/var/cache/bind"; // If there is a firewall between you and nameservers you want // to talk to, you may need to fix the firewall to allow multiple // ports to talk. See http://www.kb.cert.org/vuls/id/800113 // If your ISP provided one or more IP addresses for stable // nameservers, you probably want to use them as forwarders. // Uncomment the following block, and insert the addresses replacing // the all-0's placeholder. // forwarders { // 0.0.0.0; // }; auth-nxdomain no; # conform to RFC1035 listen-on-v6 { any; }; }; This is the default I'm not sure if i was supposed to edit it. I didn't. Here is my named.conf.default-zones: // prime the server with knowledge of the root servers zone "." { type hint; file "/etc/bind/db.root"; }; // be authoritative for the localhost forward and reverse zones, and for // broadcast zones as per RFC 1912 zone "localhost" { type master; file "/etc/bind/db.local"; }; zone "127.in-addr.arpa" { type master; file "/etc/bind/db.127"; }; zone "0.in-addr.arpa" { type master; file "/etc/bind/db.0"; }; zone "255.in-addr.arpa" { type master; file "/etc/bind/db.255"; }; zone "example.com.com" { type master; file "etc/bind/example.com.db"; }; named.conf.local Is an empty file with a comment saying to do local configuration here. example.com.db looks like this: ; BIND data file for mywebsite.com ; $ORIGIN example.com. $TTL 604800 @ IN SOA ns1.example.com. [email protected]. ( 2009120101 ; Serial 604800 ; Refresh 86400 ; Retry 2419200 ; Expire 604800 ) ; Negative Cache TTL ; IN NS ns1.example.com. IN NS ns2.example.com. IN MX 10 mail.example.com. localhost IN A 127.0.0.1 example.com. IN A 123.456.789.12 ns1 IN A 123.456.789.12 ns2 IN A 123.456.789.12 www IN A 123.456.789.12 ftp IN A 123.456.789.12 mail IN A 123.456.789.12 boards IN CNAME www These are all settings I've found from various tutorials. Now when i go to intodns I get: You should already know that your NS records at your nameservers are missing, so here it is again: ns1.example.com ns2.example.com Can someone help me? I'm not sure what Im doing wrong.

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• MacBook Pro Trackpad freeze / holds click on its own

  - by lajuette

  My MacBook Pro's Trackpad shows an annoying behavior in the last few days. I think the only relevant thing that changed is the firmware for the Trackpad. An update has been distributed via Software Update a few days ago. Sometimes when i click somewhere the Trackpad won't recognize the mouseup, i.e. hold the click on its own. Clicking again seems to stop the holding and issue a new mousedown, but then again, no mouseup I.e. when i click on a file on the desktop the file will be dragged. But i can't stop dragging! Clicking in a browser or text document will select the text/images. Did anyone notice similar behavior? Any ideas or fixes?

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