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Session cach and tmp folder error on cPanel Centos

- by Danialzo

One of my clients has come across multiple breakdowns in their websites with the following error PHP Code: Warning: session_start() [function.session-start]:open(/tmp/sess_1d6616afe1b8a0d91a8d9ec29254b453, O_RDWR) failed: No space left on device (28) in /home/***/public_html/system/library/session.php on line 11Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/***/public_html/index.php:104) in /home/***/public_html/system/library/session.php on line 11Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/***/public_html/index.php:104) in /home/***/public_html/system/library/session.php on line 11Warning: Cannot modify header information - headers already sent by (output started at /home/***/public_html/index.php:104) in /home/***/public_html/index.php on line 177Warning: Cannot modify header information - headers already sent by (output started at /home/***/public_html/index.php:104) in /home/***/public_html/system/library/currency.php on line 45Notice: Error: Can't create/write to file '/tmp/#sql_4c5_0.MYI' (Errcode: 28) Error No: 1 They are experiencing this problem while: Nothing has been recently changed on the server tmp and other folders are occupied with not more than 10% of their total space The error come and goes I would really appreciate it if anyone could guide me through. Thanks in advance

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if a usb pen drive has 64349 cylinders, is it damaged?

- by Andrew S

I have a 4Gb USB pen drive that I'm trying to format with FAT32. When I run fdisk, it gives me this message: The number of cylinders for this disk is set to 64349. There is nothing wrong with that, but this is larger than 1024, and could in certain setups cause problems with: 1) software that runs at boot time (e.g., old versions of LILO) 2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK) I've tried deleting the partition table, creating new partitions, etc, but they never work. Sometimes I can write to the drive the first time I use it after formatting it, but then it becomes read-only in both Windows and Linux. I've tried this on multiple computers. Am I doing something wrong, or is the drive reporting an incorrect number of cylinders? Is the drive itself likely to be corrupted, and is there anyway to fix this under Windows Vista or Linux? Thanks

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Exchange 2007 mailbox reassignment

- by John Virgolino

I am trying to move a mailbox from one user account to another within a single AD domain. We are using Exchange 2007. I have followed these steps: Disable the account From "Disconnected Mailbox" container, connect to the new account I get a success message When I try to login to OWA using the new user account, I get this message: Outlook Web Access could not connect to Microsoft Exchange. If the problem continues, contact technical support for your organization. Request Url: https://mail.somedomain.com:443/owa/default.aspx User host address: 1.2.3.4 Exception Exception type: Microsoft.Exchange.Data.Storage.ConnectionFailedTransientException Exception message: Cannot open mailbox /o=cgsexchangeorganization/ou=exchange administrative group (fydibohf23spdlt)/cn=recipients/cn=someuser. NOTE: I changed some identifying information for security purposes. I have tried multiple times and get to the same place. When I login to OWA with old account, I get an error that the mailbox cannot be found, which makes total sense. Does anybody have any ideas on this? Thanks!

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Automating the installation using SSH

- by RAY

I am running a bash script from a remote host to run a binary file which installs 64 bit JDK 6 update 29 on multiple VMs across the Environment. It is installing the file but, at the last line i have to hit a enter to complete the installation. I want to fully automate the script where i do not have to hit the enter at the last line. This is what i am using ssh ${V_TIERS}@${V_TIERS} 'cd JDK; sh jdk-6u29-solaris-sparcv9.sh' It updates as desired, but during install i have to hit enter to continue and complete the installation. Can anybody please help to fully automate the update process.

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How to manage large number of desktop VMs?

- by symcbean

I'm looking at the feasibility of providing remote access to multiple virtual machines. The VMs themselves will provide user desktops. To make best use of the available resources, I'd like the VMs to hibernate when the user disconnects. Which implies being able to start them up when a user connects. Ideally each user would 'own' a VM image - but if not then I'd require that the session was terminated. Obviously this would require the remote access protocol to be tied into the VM management. Is there anything out there to provide such functionality? (extra credit for open protocols! ;)

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What to do with old hard drives?

- by caliban

I have over 100+ old hard drives, ranging from 100MB Quantums to 200GB WDs, most of them PATA, some SATA. Most still working. The squirrel mentality runs in my family - hoard everything, discard nothing. Thus, and this is a relevant question - any suggestions on how to put these drives to use (anything) instead of them just being deadweights and space takers around the office? Hopeful objectives and suggestions to keep in mind when you post an answer : Should showcase your geekiness, or plain fun, or serve a social purpose, or benefit the community. You do not need to limit your answer to only one hard drive - if your project needs all 100++, bring it on! Your answer need not be limited to one project per hard drive - if one hard drive can be used for multiple projects, bring it on! If additional accessories need be purchased, make sure they are common. Don't tell me to get a moon rock or something. The projects you suggested should serve a utility, and not just for decoration purposes.

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How can I set up an FTP user with a home directory inside another user's home folder?

- by simon180

Hi I have an Ubuntu (Hardy) server which I am using to host multiple websites. All of the sites are stored in subfolders of a public_html folder for my main login to the server and accessed via a single SSH account. I now have a website user who wants FTP (or similar) access to enable them to upload various files etc to the directory where their website is situated, however I still need the SSH account to have access to this directory as I may need to make changes using my master account. Basically I want to create an FTP account (I have VSFTPD installed) for a user with the home directory inside my own user account but they should only be able to read/write to this folder or its subfolders but not go further up the directory tree. How can I achieve this? Thanks

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Limit number of concurrent user logins in Windows Server 2008 Active Directory

- by smhnaji

Is there the possibility to limit Active Directory users' max concurrent login sessions? I've read many articles and discussions about the solution, but none of them seem to be working. Many had suggested UserLogin script that doesn't work in Windows Server 2008. Some other suggested CConnect that is not good enough. It's also very complicated. Some others have introduced UserLock that should be paid for. It's wondering that Windows Server 2003 DOES have the feature (wile as a third-party), but Windows Server 2008 doesn't have! One of the articles I've read: http://www.edugeek.net/forums/windows-server-2008-r2/61216-multiple-logins.html

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2 folders in Sys/Class/Backlight?

- by zebrapie

ISSUE: Backlight brightness does not change. More Detail: Brightness will not change, using both 'System Settings-Screen', or FN keys (Brightness bar shows and moves, but screen brightness does not change). Notcied a post in this thread (http://ubuntuforums.org/showthread.php?t=1866283) about having multiple folders in Sys-Class-Backlight... I HAVE TWO FOLDERS TOO! 'intel_backlight' and 'acpi_video0' Using the function keys, alters the value in the acpi_video0's 'Brightness' file - But doesn't actually alter the brightness of the screen. If I add 'backlight=vendor' in Grub, my function keys then edit the value in the 'Intel_Backlight brightness file. - But again doesnt actually change the brightness of the screen. Computer: Fujitsu Siemans Pi2515, Intel Integrated Graphics, No hdd partition. Already Tried: -Editing grub to contain: acpi_osi=Linux acpi_backlight=vendor -http://ubuntuguide.net/change-screen-brightness-with-fn-key-in-ubuntu-11-0410-10 -sudo apt-get install acpi -$ sudo setpci -s 00:02.0 F4.B=20 -Brightness does not adjust in fallback mode either. -Reinstalling OS, Using Linux Mint (Same problem). -Upgrading and downgrading BIOS. Many thanks for reading, I understand this problem may need a bit of a Linux pro to sort. If anyones up for the challenge i'll spend any amount of time being walked through this, posting results. Don't want to give up here!

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ubuntu 12.04 installer does not recognize drive partitions

- by endless forms

I recently purchased a new HP Pavilion HPE desktop running Windows 7. I am trying to install a dual-boot system with 12.04. However, when I run the LiveCD I only get as far as the "Install" window where you can select the partitions for your drives. On the bottom where it says "device for boot loader installation" I have "/dev/sda" and cannot select any other devices. All the options to change the drives are greyed out, most likely because there are no drives in the window. I partitioned my largest drive using the tools within Windows, then booted into the CD, but nothing shows up. I then used Gparted to change the new space from unallocated to an /ext2, and still nothing shows up. The installer does not recognize anything, but when I go into an Ubuntu session and use the disk utility manager I can see the partitions I made. Anything I do has to be done outside of the installer. I have no files on this new computer, so this is the perfect time to install a parallel OS. I would like avoid completely reinstalling Windows, however. I've been over the forums many times, but all the answers I've found have not worked for me. I also tried flagging the new, empty partition as boot, but that screwed Windows up. Also, the WUBI installer hits the same point and quits. I know that the disk itself is fine because I just made another dual boot system on a Gateway PC. This makes me think something within this computer is preventing the installer from "seeing" the drives. Any help would be much appreciated! Edit in response: The main part of the partitioning window shows no partitions, everything is blank. There is no way to add partitions, and all the buttons are useless. I've tried defragging my drive multiple times, and I also used the same disk to dual-boot another PC with no problems, so it's not the disk, it's definitely the computer.

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LDoms with Solaris 11

- by Orgad Kimchi

Oracle VM Server for SPARC (LDoms) release 2.2 came out on May 24. You can get the software, see the release notes, reference manual, and admin guide here on the Oracle VM for SPARC page. Oracle VM Server for SPARC enables you to create multiple virtual systems on a single physical system.Each virtual system is called alogical domain and runs its own instance of Oracle Solaris 10 or Oracle Solaris 11. The version of the Oracle Solaris OS software that runs on a guest domain is independent of the Oracle Solaris OS version that runs on the primary domain. So, if you run the Oracle Solaris 10 OS in the primary domain, you can still run the Oracle Solaris 11 OS in a guest domain, and if you run the Oracle Solaris 11 OS in the primary domain, you can still run the Oracle Solaris 10 OS in a guest domain In addition to that starting with the Oracle VM Server for SPARC 2.2 release you can migrate guest domain even if source and target machines have different processor type. You can migrate guest domain from a system with UltraSPARC T2+ or SPARC T3 CPU to a system with a SPARC T4 CPU.The guest domain on the source and target system must run Solaris 11 In order to enable cross CPU migration.In addition to that you need to change the cpu-arch property value on the source system. For more information about Oracle VM Server for SPARC (LDoms) with Solaris 11 and Cross CPU Migration refer to the following white paper

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Protecting a webpage with an authentication form

- by Luke

I have created an employee webpage with a lot of company info, links, etc., but I want to protect the page because it contains some confidential company information. I am running IIS7.5 on Windows Server 2008 R2, and I already have the site setup as a normal, non-protected site. I want all active directory users to have access to the site. This is not an intranet site, it is exposed to the internet. I tried setting it up using Windows Authentication, but I had problems with multiple login prompts, etc. I just want a simple form for users to enter their credentials and have access to the site, and I need it to query the AD for login. I've searched the web for a guide on this, but I can't seem to find one that fits my situation. This is not a Web App. It is just a simple html site. Does anyone have any suggestions or a link to a guide on this? Thanks so much! -LB

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How can I create a bootable DVD iso from a USB drive?

- by Kiada

There seems to be a lot of questions / answers about doing the reverse, but not as much info for USB - DVD. Problem I created a bootable USB drive using YUMI. The USB drive is working great, and contains the following: Linux Mint 13 Linux Mint Debian Debian 6 Ubuntu 12.04.1 Fedora 17 A bit of a mix of DVD and Live versions. I have a spindle of DVD+R DL blank DVD's. I would like to create a bootable .iso from this USB drive so I can burn multiple copies of it to pass around to friends! I've created an iso using Folder2ISO, but it coastered my DVD because it wasn't bootable. I don't really want to waste a whole spindle! How would you go about doing such a thing?

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Motherboard Issue - 3 Beep Bios (memory error) despite new RAM

- by Glenn

I have an Intel dG43RK motherboard, bought new and sealed, and have tried two different brands and speeds of RAM with a 3-beep BIOS indicating a memory error, which also occurs without RAM installed (as it should). The memory tried is; 1x4GB 1333 Kingston HyperX DDR3 RAM (New and Sealed) 2x4GB Team Elite 1066 DDR3 RAM (New and Sealed) I have tried multiple configurations and seating layouts and still no luck. I also have a GT520 graphics card on board as I dislike in-built graphics in most cases and had it at hand (also new and sealed). The only used parts are the CPU, which worked in my previous tower and was directly taken from the PC into the new set-up and the CPU Fan which will be replaced with a new fan in the foreseeable future once this is resolved. I've run out of ideas myself and any help is appreciated.

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Sharing / replicating EBS across AWS nodes

- by skrat

I would like to use single EBS storage across multiple EC2 nodes (web/app servers). I've read some articles on snapshot sharing, but that doesn't suit well for what we need. We use filesystem for storing DB record attachments, so if one such attachment gets created, we need it to be immediately available to all nodes (to serve). So far only NFS seem to be viable, but it's a pain to configure and maintain. Another option could be storing those attachments on S3 instead, but that would cut us of doing any analysis on that data. This must be quite common problem when scaling in AWS, what solutions are there?

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Understanding interfaces [closed]

- by user985482

Possible Duplicate: When to use abstract classes instead of interfaces and extension methods in C#? Why are interfaces useful? What is the point of an interface? What other reasons are there to write interfaces rather than abstract classes? What is the point of having every service class have an interface? Is it bad habit not using interfaces? I am reading Microsoft Visual C# 2010 Step by Step which I feel it is a very good book on introducing you to the C# language. I have just finished reading a chapter on interfaces and although I understood the syntax of creating and using interfaces I have trouble of understanding the point on why should I use them? Correct me If I am wrong but in an interface you can only declare methods names and parameters.The body of the method should be declared in the class that inherits the interface. So in this case why should I declare an interface if I am going to declare the entire method in the class that inherits that interface? What is the point? Does this have something to do with the fact that a class can inherit multiple interfaces?

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Windows equivalent for Linux "screen" or another alternative?

- by Ubha

Hello all! I'm on the lookout for a method to control programs in a Windows environment. I would prefer it to be a bit similar to the Linux software "screen". The reason of my search is that I need to start a program (on Windows) with an identifier, so I later would be able to close that specific program, without closing anything else - even though the actual program (.exe file) is running multiple times. So is there anyway I can "name" it? I'm using the following on Linux now: $ screen <params> <id> ./softwareprogram And then I know I can always find it with it's ID :) It's an external program which is closing or starting a 3rd party program. My program is written in C++, if that does any difference. Thanks :)

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Is there a standard way to track 2d tile positions both locally and on screen?

- by Magicked

I'm building a 2D engine based on 32x32 tiles with OpenGL. OpenGL draws from the top left, so Y coordinates go down the screen as they increase. Obviously this is different than a standard graph where Y coordinates move up as they increase. I'm having trouble determining how I want to track positions for both sprites and tile objects (objects that are collections of tiles). My brain wants to set the world position as the bottom left of the object and track every object this way. The problem with this is I would have to translate it to an on screen position on rendering. The positive with this is I could easily visualize (especially in the case of objects made of multiple tiles) how something is structured and needs to be built. Are there standard ways for doing this? Should I just suck it up and get used to positions beginning in the top left? Here are the OpenGL calls to start rendering: // enable textures since we're going to use these for our sprites glEnable(GL_TEXTURE_2D); glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // enable alpha blending glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // disable the OpenGL depth test since we're rendering 2D graphics glDisable(GL_DEPTH_TEST); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(0, WIDTH, HEIGHT, 0, 1, -1); glMatrixMode(GL_MODELVIEW); I assume I need to change: glOrtho(0, WIDTH, HEIGHT, 0, 1, -1); to: glOrtho(0, WIDTH, 0, HEIGHT, 1, -1);

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How can I force all requests to be SSL when using EC2 load balancer?

- by chris

I currently have a single EC2 instance which is forcing all requests to be secure by using mod_rewrite: RewriteEngine On RewriteCond %{SERVER_PORT} !443 RewriteRule ^(.*)$ https://%{HTTP_HOST}$1 [R,L] I am planning on moving to a load balanced setup, with multiple back-end instances. If I set up my EC2 load balancer with my certs, do I need to use SSL to communicate between the LB and my instances? If not, is it as simple as replacing the RewriteCond with RewriteCond %{HTTP:X-Forwarded_Proto} ^http$ Edit: I tried using the x-forwarded-proto, but it does not appear to work. Is there another way to detect if someone is connected to the LB via SSL?

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Virtualbox crashes quite often in Windows 8

- by user1776158

I just installed Windows 8 on my computer. I got the ISO and the product key from my university so the software itself is sound. I use alot of virtual box. And ever since I moved to Windows 8, I have noticed that virtual box crashes more often. In particular, it is very very bad at opening multiple guests. My CPU usage will be at like 20% and I only have 3 guests open and my entire computer just freezes. Cursor and all. In Windows 7, I was able to open like 6 (not that I ever needed to) and really push my CPU. I havent experience any other issues with Windows 8 yet. Has anyone encountered this? Thanks!

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MS Access ADP front end and SQL Server back end for field data collection?

- by Brash Equilibrium

I am an anthropologist. I am going to the field and will use a netbook to collect survey data. The survey forms will need to allow me to enter data into multiple tables, search tables, allow subforms, and be fast enough to not slow down my interview. I have considered storing the data in a SQL Server Express 2008 R2 server (there will be a lot of data) while using a Microsoft Access data project as a front end. To cut down the number of steps required to collect and store data, I'm considering using the netbook for both data storage and collection (after reading this article about SQL Server on a netbook). My questions are: (1) Is there a simpler solution that is also gratis (gratis because I already have a MS Access license from my workplace, and SQL Server Express is, obviously, free)? (2) Does my idea to store and collect data using the netbook make sense? Thank you.

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Blackberry keeps sending notifications of FB and emails [closed]

- by tfalise

Here is the problem I got with my blackberry : I have received and sent multiple mails this week-end from my home computer. As usual, I received the notifications of sent and received emails on my blackberry, and archived / deleted them. But, I still receive the notifications of new mails several times a day, for emails I already have deleted in my Gmail account. I tried rebooting the blackberry (alt+shift+del) and removing the battery, but nothing helps, the notifications are sent and re-sent, no matter what I do. Anyone has an advice on how to stop this spam, as it is becoming very annoying ?

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Nullable types and ?? operator C# [en-US]

- by ruimachado

Nullable types vs Non-nullable types While developing our C# projects its frequent the null comparison operation to avoid null exceptions. This simple operation is mainly coded using the "var x = null" code example inside an if clause. However not all types of variables are nullable, which means that setting a variable to null is not allowed in every cases, it depends on what kind of type are you defining. But what if there was an extension to your non-nullable type that would convert your variable types to nullable? This extension really exists. As I said before in C# you have nullable types which represent all the values of an underlying type, and an additional null value and can be declared easily using "T?", where T is the type of the variable and for example the normal int type cannot be null, so its a non-nullable type, however if you define a "int?" your variable can be null, what you do is convert a non-nullable type to a nullable type. Example: int x=null; Not allowed int? x=null; Allowed While using nullable types you can check if a variable is null the same way you do it with nullable types: But what about setting a default value when a certain variable is null? In this cases the c# .net framework let you set a default value when you try to assign a nullable type to a non-nullable type, using the ?? operator. If you don't use this operator you can still catch the InvalidOperationException which is throw in this cases. For example without the ?? operator : Using the ?? operator your code becomes cleaner and more easy to read and you get a bonus, you can set a default value for multiple variables using the ?? in a chain set. That’s it, Thanks, Rui Machado rpmachado.wordpress.com

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split a textfile after each n matches to a new file using sed or awk

- by ozz

i tried to split a file in parts of n matches each. The file is just one line and the seperator is '<br>' foo<br>bar<br>.....<br> I just want to split the file in parts, where each file has 100 datasets (text plus <br>)( normaly 100 datasets, but at the end maybe less) I already played around with this ... split-file-in-2-with-sed and this split-one-file-into-multiple-files-based-on-pattern sed.exe -e "^.*.<br>{0,100}/g" < original.txt > first_half.txt The split do not work an the result is only 1 file instead of many.

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Designing communications for extensibility

- by Thomas S.

I am working on the design stages of an application that will a) collect data from various sources (in my case that's scientific data from serial ports), keeping track of the age of the data, b) generate real-time statistics (e.g. running averages) c) display, record, and otherwise handle the data (and statistics). I anticipate that I will be adding both data producers and consumers over time, and would like to design this application abstractly so that I will be able to trivially add functionality with a small amount of interface code. What I'm stumbling on is deciding what communication infrastructure I should use to handle the interfaces. In particular, how should I make the processed data and statistics available to multiple consumers? Some things I've considered: Writing to several named pipes (variable number). Each consumer reads from one of them. Using FUSE to make a userspace filesystem where a read() returns the latest line of data even if another process has already read it. Making a TCP server, and having consumers connect and request data individually. Simply writing the consumers as part of the same program that aggregates the data. So I would like to hear your all's advice on deciding how to interface these functions in the best way to keep them separate and allow room for extenstions.

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