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• Key is not detected in xev neither showkey -k in Ubuntu 10.04 in a Virtualbox VM.

  - by Somebody still uses you MS-DOS

  My question mark key in my keyboard isn't working. ("?"). I've tried to use xev and showkey -k to try to identify at least it's code and manually use xmodmap to mao this key. Unfortunately, the keys aren't being detected in neither utilities. I'm using Ubuntu 10.04 in a Virtual Machine, and my Kernel is 2.6.32-22-generic. What can this be? It's not a special multimedia key, it's a simple one. I would like to understand what exactly is happening so at least I can try to better debug this issue.

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• CPU Configuration Issue for 2 Servers (Server 2008 R2)

  - by Bill Moreland

  I have 2 servers running the exact same Classic ASP code with Access DBs (yes, not ideal, but it is what it is, for now). 1) Xeon 5520 @ 2.27 GHz (6 GB Memory) 2) Xeon E5-2620 @ 2.00 GHz (2 processors, 32 GB Memory) For most pages the newer E5-2620 processes the pages between 10-15% faster. On pages requiring heavy and/or multiple complicated access stored procedures (queries) the older 5520 does a much better job. I believe the servers are configured nearly identically. My question: is it possible that the newer, multi-processor server is not as good at handling Classic ASP as the older single processor? Is there a configuration difference that needs to be in place that I'm missing since I'm shooting for identical implementations?

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• Using Dropbox API instead of a FTP server for backing up DB/Source in your application.

  - by Somebody still uses you MS-DOS

  This is a small aplication scenario. Usually, when you have to do some backups of source code/database on your server, you use a second ftp server, a cronjob to tar.gz your db dumps and source files, and send this file to your ftp server from your application server. Dropbox created an API to use it's infrastrucutre. Since they provide 2gb for free accounts, I thought about being able to upload to it instead of a ftp server. So, if you do some freelance work, you can create a free account for each client and use this approach, maybe encrypting the files you send. You even gain a revision for each sent file, like a revison control system, for free, from the last 30 days. What do you think of this approach? Is it possible? And, more importantly: what are the security risks involved? (That's why I'm asking this on serverfault, since this POV from sysadmins will be more accurate). Thanks!

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• 56.6 Modem with CallerID

  - by Fuod

  Does anyone still know anything about the 56.6 modems? I'm looking for one that is easy to access via C#/VB.Net, has Caller ID and is either low-profile or USB. Also that neat little feature that lets the modem block the call from the phone (pass-through) until it has received the CallerID info would be really nice! Obviously I could just go to Best Buy and get what they have but I have no way of knowing how friendly it would be to write code for and I don't want to make multiple trips returning/exchanging etc. I'm not going to be doing anything with voice or voice mail, just recording the number from CallerID. Thanks!

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• How is Javascript parsed/executed in a web browser exactly?

  - by ededed

  For example when I access web server likely Javascript will execute. From there on, how will the browser parse the Javascript, or "execute" the functions, the memory used, etc. How will the browser "handle" all of that? Does it act like a compilation lexer in that it passes line by line and generates object code, or does it use the DOM, and other specifications to handle memory, etc. Also, in terms of updating the page, and alterior concurrent executions as well, such as Flash, HTML, Java, etc. Point be simplified, how does the browser handle the scripts, the memory, and the logic on page from a javascript file?

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• Setup SSH key per user for Git access

  - by ThatGuyJJ

  I'm setting up a site that will have multiple development instances running on the same server. Essentially, we'd have dev-a.whatever.com, dev-b.whatever.com, etc.. all running off a single server. I want to give each user some bit of SSH access in order to update and check in code from our Git repository and to manage files via SFTP. However, I want to restrict each user to their own site as well. So if you have access to dev-a.whatever.com, you don't also have access to dev-b.whatever.com and so on. The restriction is already in place if I login via FTP as a certain user, I can't navigate outside my own site -- but if I grant SSH access to that account I can immediately navigate to any file on the server in SFTP. Is RSSH part of the solution? And how can I assign the correct SSH pub key to the corresponding user? We're using BeanStalk for our Git repository management if that makes any impact.

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• How to know or change the size of the Windows Event Log from a program under Windows XP? [closed]

  - by ahmd1

  I ran into a weird problem on a Windows XP system. My local service app logs its diagnostic messages into the Windows Event Log, so at some point those messages stopped being logged. I thought that the issue was in my code, but then I discovered that other processes can't log messages either. So I was wondering, is there a limit on the Windows Event Log size? PS. I guess I need to write this specifically -- I need to know/change the size from a command line or an API.

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• Using (embedding?) wireshark in a C application for sniffing

  - by happy_emi

  I'm writing a C/C++ application which needs (among other things) to sniff packets and save the output in a file. This file will be read and processed by wireshark after a few days, using a LUA script to do some other stuff. My question is for the sniffing part which must be provided by my application. I can see two ways to do this: 1) Fork the wireshark process in background (of course using the command line version) 2) Using wireshark as library: no forking but include stuff like "wireshark.h" and link against libwireshark.so, thus using function calls to do the sniffing. So far I haven't found any documentation about #2 and it seems that #1 is the "right way" to embed sniffing capabilities in my code. Do you think I'm doing he right thing? Does wireshark allow embedding as a library?

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• Is there good FAT driver for FUSE? (Lightweight, not mountlo)

  - by Vi.

  FUSE filesystem list show some FuseFat and FatFuse. Both are old, FatFuse is read-only , FuseFat is non-buildable and probably depends on glib. Now I'm using mountlo for the task (mounting USB drives in generic way without root access or suid things (except of fusermount itself)), but it looks too big for such task. Using FUSE to mount external storage devices is good both for security and for flexibility reason: the kernel sees only block reads and writes while actual code that deals with filesystem details runs with user privileges, allowing user to use custom filesystems and preventing from kernel filesystem exploits. Is there good vfat FUSE driver?

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• How do I redirect a url request to wordpress using htaccess? [on hold]

  - by hitautodestruct

  I've searched far and wide for a solution to this and I am sure it's simple but I simply couldn't find a solution. This is the default Wordpress redirect code that sits in my htaccess file: <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> How do I make it so that this will always route the url request to https://? Note: I am terrible at speaking Apache.

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• How do you redirect pages from a subdirectory up one level to the root directory

  - by kezzman11

  I have recently moved all the content on my website from being in the www.mysite.com/shop directory to being in the root directory. This means that now I need to redirect any request to visit a page with the /shop directory back to the same page in the root directory eg. www.mysite.com/shop/categories/washroom to www.mysite.com/categories/washroom This needs to happen with all pages in my site that were previously using the /shop directory. The closest thing to a solution that I have found so far is the following code RedirectMatch ^/shop/.* http://www.mysite.com/ however this redirects all pages back to the homepage instead of to the relevant matching page without the /shop. Can someone please point me in the right direction, or if this has already been answered in here can you please post the link to the answer.

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• What are the different file permission codes and what do they mean?

  - by zeckdude

  I am working with a file upload script. I am currently uploading a file and then trying to echo out an anchor linking to that file, but since I used mkdir() with 0700 permissions to upload the file, it won't allow me access to view the file. I am pretty sure the problem I am experiencing is because of the file permission code I used. The problem is I just don't know what all the different file permission codes are and what they mean. Can somebody please list out all the different file permissions and what they each do?

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• Apache RewriteRule ignoring RewriteCond?

  - by winsmith

  So I have an Apache running on OSX Server 10.4 (don't ask) with multiple sites. In 0002_[example.com].conf, I have this bit of code: <Directory "/Library/WebServer/Documents/secret/"> RewriteEngine On RewriteCond %{REMOTE_ADDR} !^137\.250\. RewriteRule .* /messages/secret.html </Directory> However, in this configuration, the RewriteCond always seems to evaluate to false, since the secret directory gets shown even if the client's address does not begin with 137.250. If I change the config to this <Directory "/Library/WebServer/Documents/secret/"> RewriteEngine On RewriteRule .* /messages/secret.html RewriteCond %{REMOTE_ADDR} !^137\.250\. </Directory> the condition either does not get evaluated at all or always evaluates to true. Either way, all clients get blocked. What am I doing wrong?

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• apache 2.2: how can I set up a VirtualHost inside the RootDirectory?

  - by redraw

  I want to set up a VirtualHost inside the RootDirectory. For example, My project is in C:/myproject and I want to access with http://localhost/myproject EDIT: I've made an alias inside the httpd-vhosts.conf, however I don't have permissions. <VirtualHost *:80> DocumentRoot "C:/apache-2.2/htdocs" ServerName localhost Alias /test "D:\arbol\documentos\test" </VirtualHost> Is this code below the proper way to give permissions? <VirtualHost *:80> DocumentRoot "C:/apache-2.2/htdocs" ServerName localhost Alias /test "D:\arbol\documentos\test" <Directory "D:\arbol\documentos\test"> allow from all order allow,deny AllowOverride All </Directory> </VirtualHost>

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• How Do I Migrate 100 DBs From One MS-SQL 2008 Server To Another? (looking for automation)

  - by jc4rp3nt3r

  Let me start by saying that I am not a DBA, but I am in a position where I am responsible for moving just under 100 MS-SQL 2008 DBs from our current development server, to a new/better/faster development server. As this is just a local dev server, temporary downtime is acceptable, but I am looking for a way to move all of the databases (preferably in bulk). I know that I could take a bak of each, and restore it on the new server, but given the volume of DBs, I am looking for a more efficient way. I am not opposed to learning a new piece of software, writing code or any other requirement, so long as it speeds up the process.

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• how to find out what is causing huge dentry_cache usage?

  - by Piavlo

  Note that inode_cache & ext3_inode_cache slabs are very small compared to dentry_cache. What happens is that slowly and steadily the within a week dentry_cache grows from 1M to ~5-6G Then I need to run echo 2 > /proc/sys/vm/drop_caches && echo 0 > /proc/sys/vm/drop_caches This started to happening one day on all servers hosting some web code - the developers are saying that they have not changed anything related to filesystem access pattern around the time then the problem started. The system is centos5 with 2.6.18 kernel so I don't have any instrumentation features available th newer kernels. Any I idea how I can debug the problem? maybe with systemtap? This is a ec2 instance - so not even sure that systemtap will work there. Thanks Alex

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• Tomcat Apache not working on Win7

  - by Javanator

  I have installed Tomcat Apache 6.0 onto my system after downloading it from http://tomcat.apache.org/download-55.cgi using the Windows installer I install the system. But after successful installation the service doesn't start. Stating an error like follows: Windows could not start the Apache tomcat on Local Computer, For More Information, review the System Event Log. If this is a non microsoft service, contact the service vendor, and refer to the service specific error code 0 I then try to install the same installer on Win XP and it worked. Don't know how to resolve this problem and how to get it started on Win7. Any help would be appreciated. Thank you.

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• How do I implement a remote system management app in .NET 3.5?

  - by leComte

  I need, within the next few days, to create a system management DLL to format a specified drive, and a test app (managed code)to call the DLL. This need to be implemented in .NET 3.5 / VS 2008. I am an absolute beginner and have been trying to get my head around COM and WMI, but both seem to have been superceded, and I need really basic, step-by-step guidance (i.e. "Click 'File New ... etc.) Any pointers to suitable search terms, tutorials, etc., would be greatly appreciated.

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• How can I exclude a file in a folder from basic auth (regex help)?

  - by simon180

  Hi I have a folder on my site which contains admin files and I've added basic auth following a little unwanted attention. This works fine however a couple of the admin functions won't work through basic auth as they handle file uploads and so I want to exclude these files from the auth. It shouldn't have any security implications as any rogue user wouldn't be able to access the pages that could create a session to use these functions. I am using the following basic code to exclude a file: <FilesMatch "(index.php\/myadminfolder\/myurl\/myaction/someotherstuff?)$"> Satisfy Any Order allow,deny Allow from all Deny from none </FilesMatch> The URL exclusion is not working. The URL to exclude is in the form: index.php/directory/subdirectory/action/uniqueid/blah What is the correct URL string to add to FilesMatch to exclude any files that start with the pattern of index.php/directory/subdirectory/action - regardless of what comes after action? Thanks Simon

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• How do I open 2 instances of the same file in notepad++ side by side with their own scrollbars in a single Notepad++ window?

  - by Qlidnaque

  I remember doing this a long time ago and have forgotten how I had done it. I like to do this when I have long html or php files to edit and I need part of the code from further down the file in a place nearer to the top, or when I want to compare different parts of the same file. There was a way to do this without opening two instances of Notepad++ and when I clicked on save, it made the saved changes in both instances of the opened file (whereas if I have 2 windows of Notepad++ opened simultaneously, it will prompt me to either update or not update the second opened instance if the first one was saved midway.)

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• Windows 8: How to Lock (not sleep) laptop on lid close?

  - by Eye of Hell

  If my laptop is connected to power source and is not configured to sleep on lid close (it is connected to power source and is working, i don't want it to sleep. It's compiling my code) if i close the lid, laptop will do nothing. This works as expected, but actually if i have my laptop connected to power source in the office it will be good to lock it if i close a lid. So no one can just open the lid and see my unlocked desktop. I searched google and it says thet correct use case is to manually lock laptop via Win + L every time before lid is closed. This is ok, but not very secure - after all, i can forget Win + L. Is t any easy way (maybe some registry value or app) to configure windows laptop so it will lock on lid close even without sleep? Of course i can write app / powershell script for this task, but this is not suitable for non-programmers end users.

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• Performance impact of running Linux in a virtual machine in Windows?

  - by vovick

  Hello, I'd like to know what performance impact I could expect running Linux in a virtual machine in Windows. The job I need Linux for is heavy and almost non-stop code compilation with GCC. Dual-boot doesn't look like a very attractive solution, so I'm counting on low VM overhead right now (10-20% would be fine for me, but 50% or more will be unacceptable). Did anyone try to measure the performance difference, are there any comparison tables? What virtual machine with the lowest overhead possible will you suggest? My host OS is Win7 and I've got a modern Core i7 with VT-x present. Thanks!

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• Who should own /var/www? [closed]

  - by John

  Possible Duplicate: How should I structure my users/groups/permissions for a web server? I've seen a few answers to this on the internet, but I'm looking for a definitive answer. I have a new Ubuntu 12.04 LTS server with LAMP. Apache is set to run as "www-data" and /var/www is set as having "root" as the owner and "root" as the group. The permissions for /var/www are "drwxr-xr-x" which I believe translates to 755 numerically. I know that /var/www should not be owned by "www-data" because then buggy/malicious code could have a field day. However, should I keep it as root:root (inconvenient) or should I change it to ubuntu:ubuntu, the default user that Ubuntu preconfigures for you to log in with? Should the permissions remain at 755? I've been administrating systems for a while with no big security issues, but I'm trying to get really serious about security, double-check everything, and make sure that there are no gaps in my knowledge.

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• French accents on a PC with US keyboard??

  - by frenchie

  My laptop has a US keyboard, and I need to write some French, with accents. I know there's a painful way to do it with combinations of the alt key and the ascii code alt-codes, but I was wondering if there was an easier way to do it. PS: Since the question is closed (but the answers no great) I thought I'd add this addendum. Basically, you need to set the keyboard to US International and then you can do accents using 'e or 'a; see this link: http://support.microsoft.com/kb/97738 PS: Much much better solution: http://keyxpat.com.

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• Problems installing W2K8 SP2

  - by zagman76

  Hello - We are having difficulty installing SP2 on a W2K8 SP1 x64 server. When we try to do this through Windows Updates, it runs for about 1 minute and then says that it completed successfully (when clearly it did not). When we run the file manually via the download, the install fails with the following error code: 0x800f0823 I have tried running the System Update Readiness Tool (KB947821), but that did not work. Additional info about the server: It is a domain controller, also running MS-Exchange 2007 SP1 (v8.01.0336.000). Any assistance that could be provided would be greatly appreciated. In you need any more info about the server, please let me know! Thanks!

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