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  • Apache: Assign SSL server / client certs to directories

    - by Daniel Amaya
    I have multiple directories on my system, e.g., /var/www/dir1 /var/www/dir2 /var/www/dir3 And what I'd like to do is to generate a server/client SSL certificate for each directory, and then set up each directory such that the client cert must match the server cert in order to access said directory. Now, if someone has the client cert for /var/www/dir2 and they try to access /var/www/dir1, they will be unable to do so since those directories use different certs. Each of these directories is hosted on the same domain (i.e., domain.com/dir1, domain.com/dir2). Now, the problem I am having is that I am not exactly sure how to accomplish this in Apache. (Also, I don't really care for domain.com to require SSL, but I do want the directories to require it.)

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  • Limit number of simultaneous connections squid makes to a single server

    - by Ben Voigt
    Note: I am asking about outbound concurrent connection limits, not inbound, which is sufficiently covered on existing questions Modern browsers typically open a large number of simultaneous connections, to take advantage of the fact that TCP fairly shares bandwidth between connections. Of course, this doesn't result in fair sharing between users, so some servers have started penalizing hosts which open too many connections. This limit can be configured client-side (e.g. IE MaxConnectionsPerServer, Firefox network.http.max-connections-per-server), but the method differs for each browser and version, and many users aren't competent to adjust it themselves. So we turn to a squid transparent HTTP proxy for central management of HTTP download. How can the number of simultaneous connections from squid to a remote webserver be limited, so the webserver doesn't perceive it as abuse of concurrent connections? Ideally the limit would be per source address. Squid should accept virtually unlimited concurrent requests from the client browser, and issue them sequentially to the remote server, only N at a time, delaying (but not dropping) the others.

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  • How do you open a folder in OSX using the keyboard?

    - by Daniel T.
    On Windows, pressing enter when you highlight on a folder in Windows Explorer will open that folder. On OSX, pressing enter when you highlight a folder edits the folder's name (like F2 in Windows). Is there a keyboard shortcut to do the same thing on Windows, so that you'll open the folder? It doesn't have to be enter, but I'd like to know if there's another hotkey that does it. The reason why I ask is because I like to navigate through deep folder structures by using the arrow keys for navigation and enter to drill down into them.

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  • What postgresql client version should I build against, if server is 8.x?

    - by Ben Voigt
    I'm planning updates to a system that is currently running with 8.x server on Windows, 8.x client on Windows, and 8.x client on Linux. Obviously that seems like a bad choice of platform in a mixed environment, but the Linux machine has no persistent writable storage (as an anti-rootkit measure). I'm concerned with compatibility between versions right now. Can a linux postgresql 9.0.x client connect to a Windows 8.x server? The server is using some third-party binary extensions, so upgrading it is a more involved task and will be done later. If combining a 9.0.x client and 8.x server is discouraged, would latest 8.x clients be able to continue to connect if I did upgrade the server first? META: What tag is appropriate for backward-compatibility questions?

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  • uTorrent error: Access is denied

    - by Ben Franchuk
    When I booted my computer today and opened up uTorrent it went on, as usual, to check the torrents that I had been running before. On one it returned an "Access is denied" error after it had been checked. I have absolutely no idea why this is happening as I was downloading the same torrent just the night before, and additionally because I have other torrents going in the same downloads folder and they do not have any such errors. It may be worth noting that on said defective torrent, there appear to be no seeds and no connected peers (of the 33 available) and three of the trackers appear to be inactive as well (those being Peer Exchange, Local Peer Discovery and DHT). I have rebooted a few times in an attempt to fix this problem, but to no success. I also tried a few times force rechecking / force starting but neither of those worked either. edit I booted today and it was working for whatever reason. thanks for all of the help anyways guys!

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  • How can I get Pinch to Zoom back in Desktop mode?

    - by Ben Brocka
    Windows 7 had an old implimentation of Pinch to Zoom where bringing your fingers apart/together would act similar to ctrl + +/-, the standard zoom. It's not as nice as granular zoom (like iOS/Android use) but it worked. Most notably it doesn't work in Chrome (did before) but I haven't noticed it working in any other apps. In windows 8 desktop mode, pinch to zoom doesn't seem to work at all. It doesn't even work in One Note 2010, which, if I recall correctly, had granular zoom in Windows 7. I have an (older) 2 touch point multi-touch monitor, and I can see the visual feedback that the two touch points and coming closer/farther apart, but it doesn't zoom. Note I'm using the touchscreen, not a touchpad or the Arch mouse or other peripherals. Can I enable this somehow or is it gone from Desktop mode? It works fine in Metro apps. Additionally I get weird visual feedback when placing my second finger on the screen; a shrinking transparent square appears somewhere between the two fingers, visually similar to the Right Click visual queue when long-pressing. It's not a right click though, I can't tell what, if anything, it's doing.

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  • TF2010 Build Definition and Access to Path is Denied error?

    - by Daniel DiVita
    I am new to TFS with regards to build definitions. I have a a build folder setup where I have set the permissons so EVERYONE has full control. Here is the exact error I am getting: E:\Builds\PIMSite\PIM.Site\PIM_Site.metaproj: Unable to copy file "C:\Builds\1\PIM System\PIM Site Build\Binaries\HtmlAgilityPack.xml" to "..\PIM.Site\Bin\HtmlAgilityPack.xml". Access to the path '..\PIM.Site\Bin\HtmlAgilityPack.xml' is denied. I have tried everyhitng. I have removed everything from that folder adn can delete it just fine so it is not being used by another process. Any thoughts?

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  • Looking for a software / something to automate some simple audio processing

    - by Daniel Magliola
    I'm looking for a way to take a 1-hour podcast MP3 file and split it into several several 2-minute MP3s. Along the way, I'd like to also do a few things like Amplify the volume. The problem I'm solving is that I have a crappy MP3 player that won't let me seek forward or backward, nor will it remember where I left it when I turn it off, plus, I listen to these in a seriously high-noise situation. Thus, I need to be able to skip forward in large chunks (2-5 minutes) to the point where I left it. Is there any decent way to do this? Audacity doesn't seem to have command-line capabilities. I'm willing to write some code, for example, to call something over the command line and get how long the MP3 file is, to later know how many pieces i'll have, and then say "create an MP3 with 0:00 to 2:00", "create an MP3 with 2:00 to 4:00", etc. I'm also willing to pay for the right tools if necessary. I also don't care how slow this runs, as long as I can automate it :-) I'm doing this on Windows. Any pointers / ideas? Thanks!

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  • How to clean this Dell Precision M6400

    - by Daniel Pratt
    I have (well, ok, my employer has and I use) a Dell Precision M6400 notebook. It's a decent piece of hardware, but I have at least one major gripe: It's a dust and...uh...crumb (I repent! I repent!) magnet! And I cannot seem to exorcise the dust/crumbs from it! There is a strip of metal above the keyboard that is punched full of tiny holes. Well, maybe it's better to describe them as 'pits'. If a sufficiently small particle finds its way into one of those pits, there is only about a 50% that I will manage to get it out. Consequently, there is now a chorus of tiny little particles silently chiding me about eating cookies a cracker whilst I browse the intarwebs. Does anyone have any suggestions about how I could remove these particles from this machine...while still preserving the function of the machine?

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  • Simple IPV6 Address Question

    - by Daniel
    Hello, I have a /96 block of IPV6 addresses and i'm wondering how i could some how find the next address (Since ipv6 addresses can contain numbers and letters). I know the first address could be in numbers but i've yet to find out how i could really find in some kind of order for that amount of addresses E.G: What technique could i use to make sure i'll actually be able to use all of the addresses

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  • Developing high-performance and scalable zend framework website [on hold]

    - by Daniel
    We are going to develop an ads website like http://www.gumtree.com/ (it will not be like this one but just to give you an ideea) and we are having some issues regarding performance and scalability. We are planning on using Zend Framework for this project but this is all that I'm sure off at this point. I don't think a classic approch like Zend Framework (PHP) + MySQL + Memcache + jQuery (and I would throw Doctrine 2 in there to) will fix result in a high-performance application. I was thinking on making this a RESTful application (with Zend Framework) + NGINX (or maybe MongoDB) + Memcache (or eAccelerator -- I understand this will create problems with scalability on multiple servers) + jQuery or maybe throw Backbone.js in there, a CDN for static content, a server for images and a scalable server for the requests and the rest. My questions are: - What do you think about my approch? - What solutions would you recommand for developing an high performance, scalable application expected to have a lot of traffic using PHP(Zend Framework 2)...I would be interested in your approch. I should note that I'm a Zend developer, I'm working with Zend for over 3 years, this is why I'm choosing it.

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  • No Data Received

    - by Ben Moore
    Out of the blue, around 40% of my website's community can no longer visit, saying they're getting "No Data Received" errors. We've taken our firewall offline, tried going through systems such as Cloudflare and checked our .htaccess to no avail. I've asked affected users to traceroute but the weird thing is it looks like it's being stopped at ISP level. Can anyone suggest other things that may be causing this error?

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  • What's the strengths and weaknesses of existing configuration management systems?

    - by Daniel C. Sobral
    I was looking up here for some comparisons between CFEngine, Puppet, Chef, bcfg2, AutomateIt and whatever other configuration management systems might be out there, and was very surprised I could find very little here on Server Fault. For instance, I only knew of the first three links above -- the other two I found on a related google search. So, I'm not interested in what people think is the best one, or which they like. I'd like to know the following: Configuration Management System's name. Why it was created (as opposed to using an existing solution). Relative strengths. Relative weaknesses. License. Link to project and examples.

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  • SSD suddenly full

    - by Daniel
    Today the hard drive of our server was suddenly full. The disk usage always stayed around 50 % in the weeks and months before (old data is regularly expunged from the server). I deleted 10 GB of files in /tmp, which strangely freed 51 GB. Here is what I did: root@***:~# df -h Dateisystem Size Used Avail Use% Eingehängt auf /dev/sda3 139G 137G 0 100% / tmpfs 3,9G 0 3,9G 0% /lib/init/rw udev 3,9G 116K 3,9G 1% /dev tmpfs 3,9G 0 3,9G 0% /dev/shm /dev/sda1 985M 25M 910M 3% /boot root@***:/var# du -hs * 3,3M backups 438M cache 9,4G lib 4,0K local 12K lock 76M log 24K mail 4,0K opt 88K run 184K spool 10G tmp 12K www root@***:/var/tmp# find -type f -print0 | xargs -0 rm root@***:/var/tmp# df -h Dateisystem Size Used Avail Use% Eingehängt auf /dev/sda3 139G 81G 51G 62% / tmpfs 3,9G 0 3,9G 0% /lib/init/rw udev 3,9G 116K 3,9G 1% /dev tmpfs 3,9G 0 3,9G 0% /dev/shm /dev/sda1 985M 25M 910M 3% /boot Any explanation as to why deleting 10 GB in /tmp gave me back 51 GB on the disk? Could this point to an SSD failure? Are there any tools for Debian to test SSD health? I already have checked syslog. The first entry relating to this incidient is a mysql message: 1:22:02 [ERROR] /usr/sbin/mysqld: Disk is full writing... So I have absolutely no idea what caused this.

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  • How do I share a PHP 5.4 server between OS X and VMWare?

    - by Ben
    I'm running PHP 5.4 on OS X which allows me to set up a virtual server for any directory, using this Terminal command: php -S localhost:8000 This will then set up http://localhost:8000 which works great, but what I would like to do is share this server with the instance of Windows that I have running through VMWare in order to test in Internet Explorer. I was wondering if this is possible and if it is, how do I go about setting it up? Currently trying to visit http://localhost:8000 gives me 'This page cannot be displayed'. I'd really appreciate any help that you can give me on this as I don't have much experience with virtual machines/networking. Thanks in advance.

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  • Microsoft Exchange mail features and AD question

    - by Daniel Fukuda
    Hello, I wanted to ask is there a feature that allows Microsoft Exchange to download emails through POP3 from another mail provider like Google Apps (Gmail for your own domain), then store it and allowing users to download (POP3/IMAP) emails to Outlook/Live Mail. So I want to Microsoft Exchange to become like middle mail provider. My another question is regarding Microsoft Server Active Directory, is Windows Server 2008 Active Directory working with Windows XP Professional and is there any new feature added to Win2k8 AD?

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  • On clients use generic driver for printer shared by CUPS

    - by Daniel
    I know this worked really easy with a recent CUPS version some years ago. Unfortunately I fail to do the following with latest CUPS nowadays. How to share a printer without using printer specific drivers on the clients with CUPS? The printer is a Samsung ML-2010. The important fact is that it needs a quite specific library for printing called splix. That is installed on the server and prints well. What makes trouble is using that printer over the network. I found out how to use Avahi under Linux to make use of DNSSD to advertise and discover printers. But as far as I understand the new CUPS offers the internal driver interface on the network. This has 2 major issues: anybody can fiddle with the driver and I don't trust any uncommon printer library to be "network secure" anyone who wants to use my printer including guests needs to install the specific drivers first I remember the old days when I could enable "Share this printer" on the CUPS server and all clients would magically detect the printer and just send their job data to the server and have it do the driver stuff. After everything a read I guess this is related to the changes Apple introduced with CUPS including dropping of the integrated network discovery protocol. If it helps: Server: Ubuntu LTS 12.04 Server with CUPS 1.5.3 Client: Arch Linux with current CUPS 1.6.1 On another box with Ubuntu the printer was setup automatically at least but the mechanism used the Splix library for that.

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  • HAProxy crashes on all requests in 1.5-dev12

    - by Daniel Hough
    I'm having an issue where HAProxy is crashing with no explanation when I switch from 1.4.12 to 1.5-dev12. The reason I'm switching is for the SSL offloading. My config file doesn't have any errors, it's quite simple and it works well with 1.4 - but for some reason when I run it with 1.5-dev12 I see the logs noting that the two backends I have have been set up, and then when I hit one of the frontends, I get an HTTP 400 in the browser and suddenly HAProxy isn't running anymore when I check. I understand that a common workaround to the lack of SSL support for HAProxy is to use Stud, and I may go with that since I am in need of an SSL solution for my service, but before I dele into that world I thought I might see if anybody has experienced the same problems and might know how to fix it. The server is Ubuntu 10.04 and I followed the make instructions on the Exceliance blog here. EDIT: On the advice of Kyle Brandt, I did a bit more investigation. I attached gdb to the haproxy process and when the crash occurred this is what I got: Program received signal SIGSEGV, Segmentation fault. 0x0804e5c2 in dequeue_all_listeners (list=0x9e1a418) at src/protocols.c:184 184 list_for_each_entry_safe(listener, l_back, list, wait_queue) { P.S. HAProxy is awesome, so thank you Exceliance for providing us with something so useful :)

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  • Puppet write hosts using api call

    - by Ben Smith
    I'm trying to write a puppet function that calls my hosting environment (rackspace cloud atm) to list servers, then update my hosts file. My get_hosts function is currently this: require 'rubygems' require 'cloudservers' module Puppet::Parser::Functions newfunction(:get_hosts, :type => :rvalue) do |args| unless args.length == 1 raise Puppet::ParseError, "Must provide the datacenter" end DC = args[0] USERNAME = DC == "us" ? "..." : "..." API_KEY = DC == "us" ? "..." : "..." AUTH_URL = DC == "us" ? CloudServers::AUTH_USA : CloudServers::AUTH_UK DOMAIN = "..." cs = CloudServers::Connection.new(:username => USERNAME, :api_key => API_KEY, :auth_url => AUTH_URL) cs.list_servers_detail.map {|server| server.map {|s| { s[:name] + "." + DC + DOMAIN => { :ip => s[:addresses][:private][0], :aliases => s[:name] }}} } end end And I have a hosts.pp that calls this and 'should' write it to /etc/hosts. class hosts::us { $hosts = get_hosts("us") hostentry { $hosts: } } define hostentry() { host{ $name: ip => $name[ip], host_aliases => $name[aliases] } } As you can imagine, this isn't currently working and I'm getting a 'Symbol as array index at /etc/puppet/manifests/hosts.pp:2' error. I imagine, once I've realised what I'm currently doing wrong there will be more errors to come. Is this a good idea? Can someone help me work out how to do this?

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  • Nginx HTTPS redirects causing loop

    - by Ben Chiappetta
    I've been banging my head against the wall trying to figure this out, so if anyone can help I'd appreciate it. My Nginx conf has three different redirect loops, haven't been able to get any of the three to work right. The three problem areas are: Redirecting memcache directory to SSL Redirecting accounts directory to SSL Redirecting SSL to www if non-www nginx.conf: user nginx; worker_processes 1; error_log /var/log/nginx/error.log warn; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; error_log /var/log/nginx/error.log notice; sendfile on; #tcp_nopush on; keepalive_timeout 65; proxy_set_header X-Url-Scheme $scheme; #gzip on; rewrite_log on; include /etc/nginx/conf.d/*.conf; } conf.d/default.conf: server { listen 80; server_name <redacted>.net; rewrite ^(.*) http://www.<redacted>.net$1; } server { listen 80; server_name www.<redacted>.net; set_real_ip_from 192.168.30.4; set_real_ip_from 192.168.30.5; set_real_ip_from 192.168.30.10; real_ip_header X-Forwarded-For; #charset koi8-r; access_log /var/log/nginx/host.access.log main; root /var/www/html; index index.php index.html index.htm; location =/memcache { rewrite ^/(.*)$ https://$server_name$request_uri? permanent; } location /accounts { rewrite ^/(.*)$ https://$server_name$request_uri? permanent; } #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { } # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # location ~ \.php$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include /etc/nginx/fastcgi_params; try_files $uri = 404; } # deny access to .htaccess files, if Apache's document root # concurs with nginx's one # location ~ /\.ht { deny all; } } conf.d/ssl.conf: # HTTPS server # server { listen 443; server_name <redacted>.net; rewrite ^(.*) https://www.<redacted>.net$1; } server { listen 443 default_server ssl; server_name www.<redacted>.net; set_real_ip_from 192.168.30.4; set_real_ip_from 192.168.30.5; set_real_ip_from 192.168.30.10; real_ip_header X-Forwarded-For; proxy_set_header X-Forwarded_Proto https; proxy_set_header Host $host; proxy_redirect off; proxy_max_temp_file_size 0; proxy_set_header X-Forwarded-Ssl on; set $https_enabled on; ssl_certificate <redacted>.crt; ssl_certificate_key <redacted>.key; ssl_session_timeout 5m; ssl_protocols SSLv2 SSLv3 TLSv1; ssl_ciphers HIGH:!aNULL:!MD5; ssl_prefer_server_ciphers on; root /var/www/html; index index.php index.html index.htm; location /memcache { auth_basic "Restricted"; auth_basic_user_file $document_root/memcache/.htpasswd; } location ~ \.php$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param HTTPS on; include /etc/nginx/fastcgi_params; try_files $uri = 404; } }

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  • Windows 7 Paging file apparently not being used

    - by Daniel F.
    I'm running Windows 7 Home Premium 32bit on a mobo with 24GB RAM. Of those 24GB, 20GB are assigned as a RAMDISK via ASRock XFastRAM. This RAMDISK has the drive letter X assigned to it. On X:\ I'm storing the temporary files folder, as well as pagefile.sys. Pagefile.sys has 6GB of size. The X:\ has usually around 14GB free space, so the temporary files are negligible, it's mostly the browsers which are storing their caches on there. Now my issue is that Firefox is crashing a lot on me, no error message pops up, but I know that this is because it's out of memory. I could kind of live with that, but now that I switched from using Eclipse to Android Studio, I know that I'm in trouble, because Java isn't capable of allocating, and Android Studio, together with the Java instances it launches, is quite a memory hog. So I tried to figure out what's wrong, and apparently Windows isn't swapping out memory onto the paging file. While my applications are crashing (firefox) / not starting (java vm's), the paging file is only using constantly around 15% of its size (checked with the performance monitor). 15% equals to 1GB aprox. I know that the correct solution would be to switch to 64 bit Windows, but I had to use the 32 bit version because of driver issues which I had about two years ago, and I guess that I'll have them again if I reformat and install the 64 bit version. Also, the machine is running quite stable, the only issue is the memory, so I'd like to use it as it is (as the apps are installed and configured) Is there a way to make Windows use the paging file more efficiently? None of my processes require more than 1GB, I'd just like it to swap out some seldomly used stuff, like GoogleCrashHandler.exe and stuff like that in order to have "more physical memory avaliable". Is that possible?

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  • logfile deleted on Oracle database how to re-create it?

    - by Daniel
    for my database assignment we were looking into 'database corruption' and I was asked to delete the second redo log file which I have done with the command: rm log02a.rdo this was in the $HOME/ORADATA/u03 directory. Now I started up my database using startup pfile=$PFILE nomount then I mounted it using the command alter database mount; now when I try to open it alter database open; it gives me the error: ORA-03113: end-of-file on communication channel Process ID: 22125 Session ID: 25 Serial number: 1 I am assuming this is because the second redo log file is missing. There is still log01a.rdo, but not the one I have deleted. How can I go about recovering this now so that I can open my database again? I have looked into the database created scripts, and it specified the log02a.rdo file to be size 10M and part of group 2. If I do select group#, member from v$logfile; I get: 1 /oradata/student_db/user06/ORADATA/u03/log01a.rdo 2 /oradata/student_db/user06/ORADATA/u03/log02a.rdo 3 /oradata/student_db/user06/ORADATA/u03/log03a.rdo 4 /oradata/student_db/user06/ORADATA/u03/log04a.rdo So it is part of group 2. If I try to add the log02a.rdo file again "already part of the database". If I drop group 2 and then add it again with these commands: ALTER DATABASE ADD LOGFILE GROUP 2 ('$HOME/ORADATA/u03/log02a.rdo') SIZE 10M; Nothing. Supposedly alters the database, but it still won't start up. Any ideas what I can do to re-create this and be able to open my database again?

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