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  • Windows 8 : combien coûtent les différentes éditions et les mises à jour ? Quelles sont les conditions matérielles requises ?

    Windows 8 : Combien coûtent les différentes éditions Et les mises à jour ? Quelles conditions matérielles requises ? Windows 8, combien ça coûte ? Réponse de Normand : ça dépend. Les versions Plus sérieusement, Windows 8 (hors version RT qui n'est de toute façon pas disponible à l'achat) se présente commercialement sous deux options : la mise à jour, et la boite complète. Chacune étant disponible en deux déclinaisons pour le grand public (développeur compris) : la « normale », et la « Pro ». Auquelles s'ajoute une version « Entreprise » uniquement disponible en licence de volume. Comme tout système d'exploitation, ch...

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  • FTP Error: 550 Cant change directory to /: Permission denied

    - by Alessandro Merletti de Palo
    I installed Pureftpd and Ispconfig3 on my server. Starting from the point I'll probably uninstall ispconfig3 and make things directly on the server, now I am so stubborn I really want to see where's the problem. I created a ftp user through ispconfig, named amdpftp. It is related to a server user named web7. It logs in with username and password, but if i try to ls, it tells me: FTP Error: 550 Cant change directory to /: Permission denied I thought many things, like: 1. It is a problem of permissions. I went to /var/www/clients/client0/web7 , it was immutable and owned by root. Chattr -i and chown web7:client0 changed permissions, but with no effect. I restored to root:root, and made it immutable again. 2. I make some mistakes in the pureftpd installation: Wrong, it works pretty fine. The pureftpd.log doesn't seem to say anything bad. 3. The pureftpd.log file is only the pureftpd one, I should also check the mysqld functionality, as it is in a mysql database that user, password and working directory are stored. I enabled logging in the my.cnf, but also in the ispconfig database operation there wasn't anything wrong. Then I mkdir testftp in /var/www, chown web7:client0, and edited amdpftp user root directory from /var/www/clients/client0/web7 into /var/www/testftp . Guess what? It worked. So, now I know: 1. The PureFtpd works pretty fine 2. The mysql ispconfig database as well 3. The username and password of the virtual user created by ispconfig into pureftpd work 4. The correlation between username and password and the user web7 and the group client0 does work. What kind of magic has been cast upon the ispconfig directories [/var/www/clients/*] that block ftpusers to operate?

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  • Eclipse says "Access Denied" when running javaw and how to fix it?

    - by Eduardo de Luna
    I'm trying to get Eclipse to compile and run a HelloWorld class but it can't even do that. I have installed Eclipse x86 SDK 4.2.0 together bit with the latest JRE and JDK both in 64 bit as well. I also have the PATH variables set to respond to command prompts. When I try to run the following code: class HelloWorld { public static void main(String[] args) { System.out.println("Hello World!" ) ; } } And it returns the following error: Exception occurred executing command line. Cannot run program "C:\Program Files\Java\jre7\bin\javaw.exe" (in directory "C:\Users\Default\workspace\devs"): CreateProcess error=5, Access is denied. Can you help me fix this? Thanks!

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  • AsteriskNow Migration / Shared Extension Space

    - by Aaron C. de Bruyn
    I am testing the possibility of migrating from an old Avaya phone system to AsteriskNow. The migration would cover several hundred phones--but spread out over several years. (Management wants to move buildings to the new phone system one by one as cables get cut or time permits.) Two other directive is that extensions must not change and they want a GUI that other admins (non-Linux geeks) can manage. They currently use 9XXX for all extensions. We linked the Avaya and Asterisk box via PRI card and they both are communicating. From the Avaya side, if we move (for example) extension 9001 to Asterisk, we forward the call over the PRI to the AsteriskNow box and the SIP phone rings. In AsteriskNow we have an outgoing rule '_9XXX' that routes all 4-digit extensions starting with 9 back to Avaya. Here's the trouble. Dialing 9001 (the extension moved over to AsteriskNow) causes the call to be routed out the PRI to the Avaya box, then the Avaya box routes the call back to Asterisk, and Asterisk routes it to the SIP phone. As we get more and more users switched over, it will use up more and more channels over the PRI card. Is there a way I can ask Asterisk to check it's local extensions first--then forward off to the Avaya system if it starts with '_9XXX'? (I know how I can do it when editing the raw config files, I'm just looking for a way to do it in the GUI so other admins can manage it if necessary.) As a last-ditch plan, I know I can specifically add '_9001' as an outgoing call rule and sent it directly to extension 9001--but I'd really hate to do that for several hundred phones

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  • Linux Mint vs Kubuntu

    - by Hannes de Jager
    I'm currently running Kubuntu Karmic Koala and are eager to upgrade to 10.04 the end of the month. But I've also spotted Linux Mint and heard a couple of good things about it. It looks snazzy but I was wondering how it compares to Ubuntu/Kubuntu. For those that ran both can you provide some pros and cons?

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  • Movie Library on Windows Media Center Extender

    - by Shawn Miller
    I have a share setup on a NAS server with ripped versions of my DVDs. I pointed the Windows 7 version of the Windows Media Center Movie Library feature to the network share and it's able to find and play all my movies when running Windows Media Center from the local computer. When I try this on my Xbox 360 extender it never discovers any of my movies. Anyone able to get this to work?

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  • I get a 502 bad gateway ONLY with a specific combination of domain/root folders - NGINX

    - by Patrick De Amorim
    I have a VPS running NGINX and virtual hosts, with a configuration such as this: Domains directing to it: lolpics.no smscloud.no idmag.no Root folders: /home/vds/www/lolpics /home/vds/www/smscloud /home/vds/www/idmag SMSCloud.no is the site that keeps getting 502 errors, but if I make the domain direct to any of the other folders, the site works, or if I make any other domain name direct to the /home/vds/www/smscloud folder, it works. Only smscloud.no with /home/vds/www/smscloud breaks I tried putting this between the http{} in my nginx.conf and no help: proxy_buffer_size 128k; proxy_buffers 4 256k; proxy_busy_buffers_size 256k; EDIT: Well, that was slightly silly, if anyone from Google stumbles on this, here's how I fixed it, I just added this to the http{}: fastcgi_buffer_size 16k; fastcgi_buffers 16 16k; So that the start of my http block is: http { include /etc/nginx/mime.types; proxy_buffer_size 128k; proxy_buffers 4 256k; proxy_busy_buffers_size 256k; fastcgi_buffer_size 16k; fastcgi_buffers 16 16k;

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  • How to create a very simple external FastCGI configuration in apache?

    - by Thiado de Arruda
    I have an externally started FastCGI application that listens on socket '/tmp/foo.sock' and a directory of static files in '/srv/static'. Apache has all needed permissions on the socket and the directories. What I need : All requests starting with '/static' should be handled by apache using the contents of '/srv/static'. All other requests should be handled by the FastCGI application. Here is my current virtual host configuration: <VirtualHost *:80> ServerAdmin [email protected] ServerName www.foo.com ServerAlias foo.com Alias /static /srv/static FastCgiExternalServer /* -socket /tmp/foo.sock ErrorLog /var/log/apache2/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/access.log combined </VirtualHost> Even though this seems simple, its giving me quite the headache. According to http://www.fastcgi.com/mod_fastcgi/docs/mod_fastcgi.html#FastCgiExternalServer the first parameter to 'FastCgiExternalServer' should be a 'filename' that when matched will cause apache to delegate the request to the external FastCGI app. What am I missing here?

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  • Is it possible to load balance requests from a single source?

    - by Shawn
    In our application, Server A establishes a TCP connection with Server B, then it sends a large amount of requests to Server B over the TCP connection. The request message is XML-based. Server B needs to respond within a very short period, and it takes time to process the requests. So we hope a load balancer can be introduced and we can expedite the processing by using multiple Server B's. This is not a web application. I did some research but failed to find a similar application of load balancer. Can anyone tell me if there's a load balancer can help in our application?

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  • mysql spitting lots of "table marked as crashed" errors

    - by Shawn
    Hi, I have a mysql server(version: 5.5.3-m3-log Source distribution ) and it keeps showing lots of 110214 3:01:48 [ERROR] /usr/local/mysql/libexec/mysqld: Table './mydb/tablename' is marked as crashed and should be repaired 110214 3:01:48 [Warning] Checking table: './mydb/tablename' I'm wondering what can be the possible casues and how to fix it. Here is a full list mysql configuration : connect_errors = 6000 table_cache = 614 external-locking = FALSE max_allowed_packet = 32M sort_buffer_size = 2G max_length_for_sort_data = 2G join_buffer_size = 256M thread_cache_size = 300 #thread_concurrency = 8 query_cache_size = 512M query_cache_limit = 2M query_cache_min_res_unit = 2k default-storage-engine = MyISAM thread_stack = 192K transaction_isolation = READ-COMMITTED tmp_table_size = 246M max_heap_table_size = 246M long_query_time = 3 log-slave-updates = 1 log-bin = /data/mysql/3306/binlog/binlog binlog_cache_size = 4M binlog_format = MIXED max_binlog_cache_size = 8M max_binlog_si ze = 1G relay-log-index = /data/mysql/3306/relaylog/relaylog relay-log-info-file = /data/mysql/3306/relaylog/relaylog relay-log = /data/mysql/3306/relaylog/relaylog expire_logs_days = 30 key_buffer_size = 1G read_buffer_size = 1M read_rnd_buffer_size = 16M bulk_insert_buffer_size = 64M myisam_sort_buffer_size = 2G myisam_max_sort_file_size = 5G myisam_repair_threads = 1 max_binlog_size = 1G interactive_timeout = 64 wait_timeout = 64 skip-name-resolve slave-skip-errors = 1032,1062,126,1114,1146,1048,1396 The box is running on centos-5.5. Thanks for your help.

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  • Kunagi LDAP configuration problems

    - by Willem de Vries
    We recently started with Scrum at our company and we wanted to start using Kunagi to test and see how it works. So I installed the kunagi_0.23.2.deb packet that I downloaded from their website, on my Ubuntu 11.04 running in tomcat6 using openjdk-6-jre. everything works fine except I can't get the LDAP to work. I have one AD server and one LDAP at my disposal for testing. For the LDAP I use the following info: -uri: ldap://192.168.1.11:389 -user: some_tested_user -passwd: the_pass -DN: dc=colosa,dc=net -LDAP Filter: (&(objectClass=user)) I tested various LDAP Filters, I don't know if I have the right one. However I get an erro when clicking "test LDAP". The error refers to the DN: Server service call error Calling service TestLdap failed. java.lang.RuntimeException: InvalidNameException: [LDAP: error code 34 - invalid DN] With the AD server I get no error while testing, yet I am not able to login I get: "Login faild" every time. I don't know if this is because of the LDAP Filter I entered, yet I can't get it to work. I have read this http://kunagi.org/iss652.html stating that I need to create my accounts inside Kunagi before I can login. So I did this with no effect. So basically my question is, what causes this DN string error (I am sure mine is right), and what LDAP Filter should i use? Any help would be highly appreciated.

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  • Strange performance differences in read/write from/to USB flash drive

    - by Mario De Schaepmeester
    When copying files from my 8GB USB 2.0 flash drive with Windows 7 to a traditional hard drive, the average speed is between 25 and 30 MB/s. When doing the reverse, copying to the USB drive, the speed is 5MB/s average. I have tested this with about 4.5GB of files, a mixture of smaller and larger ones. The observations were the same on both FAT32 and exFAT file systems on the USB drive, NTFS on the internal hard disk. I don't think I can be mistaken in saying that flash memory has a lot higher performance than a spinning hard drive in both terms of reading and writing. For both memory types, reading should be faster than writing too. Now I wonder, how can it be that copying files from a fast read memory to a faster write memory is actually slower than copying files from a fast read memory to a slow write memory? I think that the files are stored in RAM before being copied over too, and there's caching as well, but I don't see how even that could tip the balance. It can only be in the advantage of writing to the USB drive, since it is "closer" to the SATA system than the USB port and it will receive data from the internal SATA HDD faster. Perhaps my way of thinking is all wrong or it just depends on the manufacturer of the USB pen. But I am curious.

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  • Acer aspire 5520 power light blinks no boot

    - by Shawn Mclean
    My laptop was working fine last night, I hibernated it and went to sleep. Got up, pressed the power button. The power light comes on for 4 seconds and the hdd light blinked a few times, then it turned off for a second then repeats the process. The only way to stop this process/power down is to remove the AC and take out the battery. It does not even reach a boot screen, nothing shows up on the screen, fan does not start. People on this forum has the same problem but they suggest to put the laptop in a oven and heat it (reflow). What could be the problem? Is there another solution other than a reflow? I dont feel like putting my motherboard in the oven.

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  • LDAP search filter for Active Directory

    - by Francesco De Vittori
    Hello, I'm trying to look for users inside Active Directory through a LDAP query. Basically I'm searching for the user in this way: Search DN: dc=mydomain, dc=com Filter: (sAMAccountName=USER) where USER is replaced with the provided username. Now if USER is only the username without domain (for ex. "Joe") this works fine. However I receive them in the form (domain\username, for ex. "myDomain\Joe") and obviously the search fails. I see two ways: using a regex inside the Search Filter to discard the domain using a completely different search filter I'm no LDAP expert and I don't even know if it's possible to use regular expressions inside the search filters. Does anyone know if it's possible and how? P.S. I cannot pre-process the username to strip the domain. This cannot be changed, as it's all part of a large system.

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  • VirtualHost not using correct SSL certificate file

    - by Shawn Welch
    I got a doozy of a setup with my virtual hosts and SSL. I found the problem, I need a solution. The problem is, the way I have my virtual hosts and server names setup, the LAST VirtualHost directive is associating the SSL certificate file with the ServerName regardless of IP address or ServerAlias. In this case, SSL on www.site1.com is using the cert file that is established on the last VirtualHost; www.site2.com. Is this how it is supposed to work? This seems to be happening because both of them are using the same ServerName; but I wouldn't think this would be a problem. I am specifically using the same ServerName for a purpose and I really can't change that. So I need a good fix for this. Yes, I could buy another UCC SSL and have them both on it but I have already done that; these are actually UCC SSLs already. They just so happen to be two different UCC SSLs. <VirtualHost 11.22.33.44:80> ServerName somename ServerAlias www.site1.com UseCanonicalName On RewriteEngine On RewriteOptions Inherit </VirtualHost> <VirtualHost 11.22.33.44:443> ServerName somename ServerAlias www.site1.com UseCanonicalName On SSLEngine on SSLCertificateFile /usr/local/apache/conf/ssl.crt/cert1.crt SSLCertificateKeyFile /usr/local/apache/conf/ssl.key/cert1.key SSLCertificateChainFile /usr/local/apache/conf/chain/gd_bundle.crt RewriteEngine On RewriteOptions Inherit </VirtualHost> <VirtualHost 55.66.77.88:80> ServerName somename ServerAlias www.site2.com UseCanonicalName On RewriteEngine On RewriteOptions Inherit </VirtualHost> <VirtualHost 55.66.77.88:443> ServerName somename ServerAlias www.site2.com UseCanonicalName On SSLEngine on SSLCertificateFile /usr/local/apache/conf/ssl.crt/cert2.crt SSLCertificateKeyFile /usr/local/apache/conf/ssl.key/cert2.key SSLCertificateChainFile /usr/local/apache/conf/chain/gd_bundle.crt RewriteEngine On RewriteOptions Inherit </VirtualHost>

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  • Where to begin with IPv6 [closed]

    - by Willem de Vries
    I am fairly familiar with setting-up IPv4 networks for bigger server configurations, only now I wanted to start familiarizing myself with doing the same for IPv6. I have been Googling for the second night in a row for things like: IPv6 network design, IPv6 for dummies, etc. So far most things you find go on about why IPv6 and the amazing amount of numbers that we have now. Yet I am looking for practical stuff, for example: what would be a good way to assign IP-number, as I understand it DHCP shouldn't be the default course of action. How do other assignment methods work with DNS configuration? what would be a good or standard way of dividing the network in to sub-nets? (database, application, web servers spread over multiple domains/applications and some what intertwined) In short I would like to find good resources with practical information books, webpages, etc.

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  • Cloudstack virtual machines can't communicate with virtual routers when they are on different hosts

    - by Jorge Suárez de Lis
    I'm using Cloudstack 2.2.14 on a Ubuntu 10.04 set of hosts, and I have a problem on my setup. I have two hosts running. When a virtual router is created on host 1 and a virtual machine using that virtual router is created on host 2, or vice versa, I have no connectivity at all on the virtual machine. First of all, I have to setup the network manually on that virtual machine -usually DHCP is working, but not here-. Then, I can't ping to the virtual router from the virtual machine or vice versa. When both virtual router and virtual machine are created on the same host, everything works! Maybe those packages are being filtered somehow? I have no clue on how to proceed. Both hosts can communicate directly outside the virtualization.

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  • httpd memory could not be written on winxp

    - by Shawn
    I have a apache server on a winxp box, ocassionaly I got a "httpd error, memory could not be written" error, here is what I found in the apache error-log `[Sat Sep 12 10:58:34 2009] [error] [client 113.68.84.79] Invalid URI in request ;\xece\r\xd5m\xed{\xbcf\xbf\xffq\bZNB\xf0a\xf9\x13\xf3[\x06Y\x02G\xca\xc5\xf3\x9ft\x89b\xed\xb5m\x9f\x1c\xa6\x03\x10\xee\xe9G\xb5\xe0glLf\xd4eFT\x8f.{Ysl\x89\x05\x18\x0f\x0fp\xdd\xaf\x11G\xbe\xbf\x96/Pr\x9e\xf4\x89\xf2\xd4^mA\x13y2\xe3\x95\xaeD\x02\xa7*G\xe4\x1d\x07r^\xaf_J\xf7\xbc\x90\x17\xda\x90\x17\xec\xd4\xe8\xe4\xfcU\x04\xbc2V\xe1\x170\xeb Error in my_thread_global_end(): 66 threads didn't exit [Sat Sep 12 11:08:43 2009] [notice] Parent: child process exited with status 3221225477 -- Restarting. [Sat Sep 12 11:08:51 2009] [notice] Apache/2.2.4 (Win32) PHP/5.2.3 configured -- resuming normal operations` Anybody can tell what this means and where the problem is ? Thanks.

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  • Packet sniffing a webserver

    - by Shawn Mclean
    I have a homework in which I should explain how I would break into a server, retrieve a file and cover my tracks. My main question: is there a way to packet sniff a remote web server? Other information would be appreciated on covering tracks.

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  • Memory usage on debian webserver keeps going up

    - by Steven De Groote
    my webserver is running apache 1.3.x for a PHP application, along with mysql on the same machine. Most of the time it runs fine, CPU usage still with nice margin, but somehow memory usage keeps growing throughout uptime. While it looks like it is chunked from time to time, I've had moments my server going down because it's out of memory. Restarting apache or mysql only reduced memusage by 100M. Attached is an overview of monthly memory usage. The 2 massive drops are server restarts after out-of-memory situations. http://imageshack.us/photo/my-images/51/memorymonth.png/ Any explanations for his behaviour or how I could solve this? Thanks! Steven

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  • Enabling mod_rewrite on Amazon Linux

    - by L. De Leo
    I'm trying to enable mod_rewrite on an Amazon Linux instance. My Directory directives look like this: <Directory /> Order deny,allow Allow from all Options None AllowOverride None </Directory> <Directory "/var/www/vhosts"> Order allow,deny Allow from all Options None AllowOverride All </Directory> And then further down in httpd.conf I have the LoadModule directive: ... other modules... #LoadModule substitute_module modules/mod_substitute.so LoadModule rewrite_module modules/mod_rewrite.so #LoadModule proxy_module modules/mod_proxy.so ... other modules... I have commented out all the Apache modules not needed by Wordpress. Still when I issue http restart and then check the loaded modules with /usr/sbin/httpd -l I get only: [root@foobar]# /usr/sbin/httpd -l Compiled in modules: core.c prefork.c http_core.c mod_so.c Inside the virtual host containing the Wordpress site I have an .htaccess containing: # BEGIN WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> # END WordPress The .htaccess is owned by apache which is the user apache runs under. The apachectl -t command returns Syntax OK What am I doing wrong? What should I check?

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  • Xen and HyperVM build question on os template

    - by Levi De Haan
    I recently built a server with hypervm and xen, now i know xen from command line, but hypervm ties into our whmcs and so its a requirement, however my question is this, when i build a new o/s template my partition table is gone, and i know why, but i was wondering if anyone has built anything in hypervm for adding in partition tables, so i dont have to reinvent the wheel :). i can do it command line in the created vm with fdisk, and i have tracked down the creation scripts for hypervm but i am unsure if these insert directly into the machine as it looks like a lot of the things it does are externalized and are for xen to assign things like ip address etc.. oh and on an aside when i go in to modify the .cnf file to change the boot disk from cdrom to drive on windows when i boot using hypervm it overwrites my setting again..frustrating as heck, i've been trying to track down where in the code it does this, has anyone else had this problem and if so how did you fix it if you did?

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  • Xen and HyperVM build question on os template

    - by Levi De Haan
    I recently built a server with hypervm and xen, now i know xen from command line, but hypervm ties into our whmcs and so its a requirement, however my question is this, when i build a new o/s template my partition table is gone, and i know why, but i was wondering if anyone has built anything in hypervm for adding in partition tables, so i dont have to reinvent the wheel :). i can do it command line in the created vm with fdisk, and i have tracked down the creation scripts for hypervm but i am unsure if these insert directly into the machine as it looks like a lot of the things it does are externalized and are for xen to assign things like ip address etc.. oh and on an aside when i go in to modify the .cnf file to change the boot disk from cdrom to drive on windows when i boot using hypervm it overwrites my setting again..frustrating as heck, i've been trying to track down where in the code it does this, has anyone else had this problem and if so how did you fix it if you did?

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