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• When running a .jar application with OpenJDK, my keyboard becomes unresponsive?

  - by Mochan

  I recently downloaded a Java application with the .jar format, and had it running on my computer not so long ago. Now that I'm using my desktop instead of laptop temporarily, I want it to run. On my laptop it was a tremendous hassle to get OpenJDK to even run the application without it going black, and now on my desktop I don't have that problem. However, when I run the application, my keyboard becomes unresponsive and doesn't type at all. This is a really big problem because it's demands the use of a keyboard. It works as normal on my laptop though, and it works perfectly. But now on the desktop its completely useless. I don't know if there's like a keyboard driver I'm missing, but there shouldn't be because the keyboard runs flawlessly everywhere else. I'm using OpenJDK 6 because the 7 has the same 'black screen' I mentioned, so I need this to work within OpenJDK 6. Thanks so much in advance and I'll try to specify as many details as I can. M

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• FreeDOS reinstallation -- accidental script change

  - by jerry2144

  I'm extremely new to FreeDOS and I got a new HP desktop computer with the FreeDOS operating system. I messed up and accidentally changed its scripts and messed around with it's boot order. Long story short, I'm getting a disk error when I boot up. I believe I need to just reinstall FreeDOS and all should be good, but I want to get someone's opinion with much more experience than my own. Also, if someone could guide me through the installation process using a DVD installer that would be amazing. I have already downloaded the FreeDOS iso image and unzipped it. I don't know what I need to do now though. Should I even have unzipped it?

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• The cable of my USB port hub is too short - what to do?

  - by Anna

  Hi, I just bought a new USB port hub "MSY USB 2.0 4-port hub". It has two inputs: A small USB entrance input for external power (?) The problem is that the cable that comes with the hub (small USB on one end, large USB on the other - to input into my computer), is too short for my needs. Is there a solution to this? buying a longer cable might be risky, I know that it might cause problems with power. Is there anything else I can do to make it work? Thanks.

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• Gparted: Copy Greyed Out

  - by David

  I booted my system to a gparted linux live CD and I have two partitions: /dev/sda1 /dev/sda2 I want to move both of them to my new physical hard drive (called /dev/sdb). When I right click on /dev/sda1, I can choose copy and then paste it onto /dev/sdb. When I right click on /dev/sda2, copy is greyed out and there is a yellow exclamation point to the left of the disk. I know that the disk works since I can boot my computer from it. Why won't gparted let me copy /dev/sda2 to my new hard disk? Since the option is greyed out, I don't even get an error message. Thanks!

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• Collabnet Subversion and Self Signed Certificates

  - by Robert May

  We installed Collabnet as our subversion server recently.  This is the first time that we’ve used it.  In general, it seems pretty good, but we ran into a problem with it.  People were getting the following error in Tortoise: OPTIONS of ’https://xxxx.xxxxxxxx.xxxx/svn/xxxxx’: SSL handshake failed: SSL error code – 1/1/336032856 (https://xxxx.xxxxxxxx.xxxx) The odd thing is that for some people, it worked, for others, it didn’t!  I also couldn’t find anything useful out on the internet. We had checked the Subversion Server should serve via https option in the settings, and all of the ports were open, etc. This option causes a self signed certificate to be used. What we discovered: Tortoise must use the same url as is in the Hostname field on the General settings for collabnet or you’ll get this error.  Basically, some people were using https://svn.xxxxxxx.xxxxx and others were using https://computername.xxxxxxxx.xxxx.  Because the host name said used the computer name version, the whole thing broke.  By changing the host name to the svn version, which is what they should be using, the problem went away.  The users do get the “Accept Certificate” prompt, but we can live with that! Technorati Tags: Subversion,Collabnet

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• Do most "normal" people use metro or desktop in Windows 8

  - by ihateapps

  Just curious since I don't fit the definition of a "normal" computer user nor have my friends or relatives upgraded to Windows 8 yet. Are most people in the "wild" (i.e. the "guy in starbucks" or "your friend who works as an auto tech". not you since you are on SU) using metro apps regularly to the point where the desktop is pointless or are they sticking with the desktop? I've gotten mixed statistics from Google. I'm asking for your personal anecdotal opinion based on what you notice in the wild.

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• x11 looks ugly while opening a remote window from ssh. Can I use GTK themes?

  - by Simon

  I use to connect to a distant computer running linux from my mac using ssh. For example I use: $ ssh -Y login@host then $ gnome-open . in order to open a nautilus window. This window do open but it looks ugly. I found here that one can install GTK themes through Macports. I installed gtk2-aurora and gtk-chtheme and chose the aurora theme successfully, but my remote windows still look ugly. Is this theme (or others) working for remote windows or is it only for local x11 windows? Is there a way to improve the look and feel of remote windows?

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• MacBook Pro screen goes dark

  - by Mike M

  I've had my MacBook Pro for two years now; no problems so far (it has had 3rd party RAM from the get go). Today, I'm copying a particularly large VM from an External disk drive to local MacBook disk. It has about 3GB to go and I take off to do some other things and when I come back my screen is "dark". The computer is still on but I can't see anything. I forced a reboot by holding down the power button, it starts up with the "chimes", but still no screen. I've done this several times. Any ideas? Do you think the hard disk activity caused it to get too hot?

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• what are some good interview questions for a position that consists of reviewing code for security vulnerabilities?

  - by John Smith

  The position is an entry-level position that consists of reading C++ code and identifying lines of code that are vulnerable to buffer overflows, out-of-bounds reads, uncontrolled format strings, and a bunch of other CWE's. We don't expect the average candidate to be knowledgeable in the area of software security nor do we expect him or her to be an expert computer programmer; we just expect them to be able to read the code and correctly identify vulnerabilities. I guess I could ask them the typical interview questions: reverse a string, print a list of prime numbers, etc, but I'm not sure that their ability to write code under pressure (or lack thereof) tells me anything about their ability to read code. Should I instead focus on testing their knowledge of C++? Ask them if they understand what a pointer is and how bitwise operators work? My only concern about asking that kind of question is that I might unfairly weed out people who don't happen to have the knowledge but have the ability to acquire it. After all, it's not like they will be writing a single line of code, and it's not like we are looking only for people who already know C++, since we are willing to train the right candidate. (It is true that I could ask those questions only to those candidates who claim to know C++, but I'd like to give the same "test" to everyone.) Should I just focus on trying to get an idea of their level of intelligence? In other words, should I get them to talk and pay attention to the way they articulate their thoughts, and so on?

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• Snow Leopard connecting to Unbuntu 10.04 through Samba failure -- need help fixing.

  - by Chris Altman

  I have a Ubuntu 10.04 web server. I want to connect to it with my OSX 10.6 machine and Finder. I have installed openSSH and Samba on the Ubuntu machine. In my smb.conf I have a Share Definition: [www] comment = Development Computer WWW path = /var/www writeable = yes browseable = yes allow hosts = 192.168.1. I can connect to the machine through Finder using a non-root user. When I attempt to add files thought Finder I get an "Insufficient Permissions" error. Please help. I am not sure if the issue is in the Samba configuration or OSX 10.6 Thank you

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• How is software used in critical life-or-death systems tested?

  - by waiwai933

  An airplane, as opposed to, for example, a website, is a system where any failure in certain systems is completely unacceptable, since errors in e.g. flight monitoring can cause the autopilot to malfunction and do a dive. Obviously, this doesn't happen since the brilliant engineers at Boeing and Airbus have checks in the autopilot to make sure it doesn't suddenly decide a dive is a perfectly acceptable and safe maneuver. Or perhaps the computer crashes, and the pilots in the newer fly-by-wire aircraft can no longer actually fly the plane. Of course, there are various safety procedures and redundancies built into these systems to prevent a crash (of both the software and the aircraft). However, on the other hand, it's quite obvious that software isn't perfect—both open source and closed source software do crash regularly, and only the simplest "Hello World" program doesn't fail. How can the engineers who design the software systems in the aeronautic, medical, and other life-or-death industries manage to test their software so that it doesn't fail (and if it does fail, at least fail gracefully)? I'm desperately hoping that you're not all going to go: "Oh, I work for Boeing/Airbus/(some other company) and it's not! Have fun on your next flight/hospital visit."

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• How would one run a task sequence within a task sequence in SCCM 2012 SP1

  - by BigHomie

  A Shining Example: Inside all of my task sequences I have a group that installs driver packages conditionally based on computer model: And of course, this list does nothing but grow. The fact that it grows isn't a big deal, what is a big deal is that every time it changes I have to manually copy and paste those changes across every task sequence I have, which of course leaves huge room for human error. The same goes for other groups of tasks that are common across task sequences. Looking for a solution where I could centrally manage these tasks, be it link other task sequences to a group within another task sequence, or create a separate task sequence and link to that. I came across a solution by John Marcum (SCCM MVP) that mentioned this ability, but this was a while ago and I can't find the link to it anymore to see if it's even still being updated/maintained, but I'm looking for more of a free solution, or even using Powershell or the ConfigMgr SDK is fine with me, I'm no stranger to either. Update Getting close: http://msdn.microsoft.com/en-us/library/jj217869.aspx

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• Data Management Business Continuity Planning

  Business Continuity Governance In order to ensure data continuity for an organization, they need to ensure they know how to handle a data or network emergency because all systems have the potential to fail. Data Continuity Checklist: Disaster Recovery Plan/Policy Backups Redundancy Trained Staff Business Continuity Policies In order to protect data in case of any emergency a company needs to put in place a Disaster recovery plan and policies that can be executed by IT staff to ensure the continuity of the existing data and/or limit the amount of data that is not contiguous.  A disaster recovery plan is a comprehensive statement of consistent actions to be taken before, during and after a disaster, according to Geoffrey H. Wold. He also states that the primary objective of disaster recovery planning is to protect the organization in the event that all or parts of its operations and/or computer services are rendered unusable. Furthermore, companies can mandate through policies that IT must maintain redundant hardware in case of any hardware failures and redundant network connectivity incase the primary internet service provider goes down.  Additionally, they can require that all staff be trained in regards to the Disaster recovery policy to ensure that all parties evolved are knowledgeable to execute the recovery plan. Business Continuity Procedures Business continuity procedure vary from organization to origination, however there are standard procedures that most originations should follow. Standard Business Continuity Procedures Backup and Test Backups to ensure that they work Hire knowledgeable and trainable staff  Offer training on new and existing systems Regularly monitor, test, maintain, and upgrade existing system hardware and applications Maintain redundancy regarding all data, and critical business functionality

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• Mapping an sFTP connection to a Windows drive?

  - by Nicolas

  I'm looking for a way to map an sFTP connection to a Windows (Vista) drive. In other words, a tool that would add a new drive (let's say N:) to my computer, that would directly point to my remote server via sFTP. That way, "N:\my_dir\file.txt" would actually be something like "/home/user/my_dir/file.txt" on the remote server. Reading the file on Windows would download it, and writing content in it would upload it...network transfers being made via sFTP. I'm aware of Novell NetDrive, but it has various issues with long filenames, and seems to corrupt UTF-8 files content depending on the BOM. Do you know about any reliable alternative ? Thanks ! Edit : I have complete control of the remote server, except that it's remote enough for me not to be able to physically access it.

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• Font corruption: lines through characters

  - by Aibara Iduas

  I have an odd problem where a one-pixel high white line is displayed through certain letters of text. Almost always only a single character type is affected at once, and only in one font size (though that size can change over time). Most of the time things are fine, but this happens several times a day. It's been happening ever since I upgraded to 10.10. I have noticed few patterns: It might be a problem with Firefox (I'm currently using the nightly ppa, but it occurred in 3.6 also) - but this could just be because I spend most of my time on my computer either at a browser or text editors. I seem to remember it happening with the buttons on various Gnome dialogs. It never occurs in text I've typed, be it an email, url bar, etc. In Firefox it happens across tabs, and the problem remains even if they are closed or reloaded; only restarting the program can fix it. Two examples (in the first, only the larger "r" is corrupted): Any help would be appreciated, thanks.

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• Grub does not show a Windows 8 option after dual boot

  - by skytreader

  So, I've successfully dual-booted my Windows 8 machine with Ubuntu 12.04 . However, I still don't have a convenient method of choosing what OS to load at boot time. After installing Ubuntu, my computer still loads Windows 8 directly. I then added grubx64.efi to the white list of my boot loader. But after that, my machine loads Ubuntu directly without even a shadow of GRUB showing up! I used boot-repair and I got this paste.ubuntu URL: paste.ubuntu.com/1326074. After running boot-repair (and re-white listing the grubx64.efi file), GRUB now shows up but without any Windows 8 option! Lastly, I ran sudo fdisk -l and it gave me this: WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 750.2 GB, 750156374016 bytes 255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x6396389f Device Boot Start End Blocks Id System /dev/sda1 1 1465149167 732574583+ ee GPT Partition 1 does not start on physical sector boundary. I'm guessing my problem has something to do with the warning from fdisk above but I don't know what to do with it. How do I proceed now?

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• Invoking an MMC Snap-in function from Windows command shell: is it possible?

  - by robob

  Sorry for the cross post on Superuser, but I cannot see any answer to my question, so I try to ask the same question here. I need to execute a MMC Snap-in function from the Command Shell of a Windows computer. I need it to schedule this command in the same Windows PC and executes in background. Probably this questions could seem a little bit strange but I have a program that creates a debug log only through its MMC Snap-in console. And I need to automatise this task to programatically read this log! Dows anyone know how to do this? thanks

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• Slow Starting DHCP Client Service - HP Thin Clients

  - by Ryan

  We have recently began adding XPe thin clients to our domain in preperation for a new citrix environment. One thing that has been picked up on in testing is that they appear slow to boot. The issue manifest's it's self as the classic "Applying Computer Settings..." screen we are all used to seeing. After digging into the issue it appears the DHCP Client service is taking some time to load on boot, this varies but I would estimate it can take around 1 minute in some cases. I've eliminated the classic issues, DHCP is responding correctly and in quick time. DNS is not the cause and GPO's are applying promptly. A simple workaround is to assign the client a static IP which work's great so the TCP/IP servies are obviously firing up quickly, just not DHCP Client. Does anyone have any idea's on how I may be able to improve the service start time? Keen to find a better solution before I get my arm twisted into setting up 250 thin clients with static addressing!

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• Signed and unsigned, and how bit extension works

  - by hatorade

  unsigned short s; s = 0xffff; int i = s; How does the extension work here? 2 larger order bytes are added, but I'm confused whether 1's or 0's are extended there. This is probably platform dependent so let's focus on what Unix does. Would the two bigger order bytes of the int be filled with 1's or 0's, and why? Basically, does the computer know that s is unsigned, and correctly assign 0's to the higher order bits of the int? So i is now 0x0000ffff? Or since ints are default signed in unix does it take the signed bit from s (a 1) and copy that to the higher order bytes?

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• Darik's Boot And Nuke - ERROR /dev/sda

  - by user1403844

  I'm trying to wipe the drive of an old company computer with DBAN so I can install Redhat Enterprise and learn Linux (it's a Dell Inspiron 1210, if that matters). I burnt DBAN to a CD and boot from that CD (running on an external USB CD drive). Whenever I try to run the utility--whether it's Autonuke, or any of manual wiping methods-- it spits on the errors: ERROR /dev/sdb ERROR /dev/sda From what I've read on some other forums, there are some issues with other drives or removable media interfering however I've disabled all other drives in bios, leaving just CD/DVD and the Hard Disk but still no luck. Any advice on how I can reconcile these errors and wipe the disk?

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• Java Issues in Microsoft Internet Explorer & Firefox with Java 6 Standard

  - by sxanness

  I have a user on Windows XP SP3 running Java 6 Standard Edition Update 20 (build 1.6.0_20-b02). The issue is that when Java applets load the Java splash screen is very shaky (I will have to take a screenshot if you don't know what I am talking about) and than the Java applet screen does not show properly. The Applet we use most is for a security camera and you can't view the camera properly because of the Java issues. I have uninstalled Java and re-installed and still having the same issue. I do not see any errors on the Java Console, and this only happens on his computer I am running the same version of Java and the browsers and do not have the same issue on my machine.

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• How to use windows desktop from a linux machine in a local network?

  - by Hristo Hristov

  I have a computer running Windows 7 with no monitor or keyboard, connected to a local network. I have a few laptops running linux, also connected to the local network. I want to feel like I'm sitting in front of the windows, but using one of the linux laptops. How to do that? Maybe I can use some linux software to connect to remote desktop? Or I have to install client/server software on both machines? As this is a local network, I expect excellent experience with no lag. Thank you!

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• ubuntu 12.10/linux mint 14 ssh-copy-id doesn't work and returns Ambiguous output redirect

  - by Marc

  I recently got a new computer and I'm trying to use ssh-copy-id to put my keys on another server so I can login without password. but when I try ssh-copy-id -i ~/.ssh/id_rsa.pub user@server and after inputting the correct password it returns Ambiguous output redirect. There are no other messages after that. I thought it was maybe just Ubuntu 12.10 so I installed Linux Mint 14 and sure enough exact same thing happens. I've tried removing authorized_keys from the remote server but that didn't change anything.

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• How can I use 2 monitors plus laptop with my Dell e6420 w/ Nvidia nvs 4200m

  - by KallDrexx

  I have just hooked up a 2nd external monitor to my Dell e6420 laptop with a Nvidia NVS 4200m graphics card, running Windows 8 64 bit. However, the computer won't let me have both monitors and the laptop display active at the same time. I installed the latest Nvidia graphics drivers (310.70) but it claims that my GPU can only support up to 2 monitors. Nivdia's website implies differently (as does various other laptops around the office). The monitors are connected both via DVI to my dell docking station that has multiple DVI ports. Both monitors are working correctly, I just can't get all 3 working together. Attempting to download the driver from dell fails, as their driver installer is broken apparently Any ideas?

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• face book security problem

  - by SHAN

  *- Please review recent activity on your Facebook account "Your account was recently accessed from a location we're not familiar with. For your protection, please review your recent activity to make sure no one is using your Facebook account without permission. Reviewing your activity takes just a few moments. We'll start by asking you a couple of questions to confirm that this is your account. (If we recognize your computer, you'll be able to skip this step.)" WHEN I TRY TO LOG MY FACE BOOK PROFILE;ABOVE MESSAGE DISPLAYING....WHAT IS A REASON FOUR THIS MATTER? AND AFTER I CLICKED CONTINUE BUTTON SHOW SOME 4TO MY FB FRIENDS BUT I EXACTLY CANT RECOGNIZE THESE 4TOES.. BECAUSE OF THAT I CANT LOG MY FB PROFILE.NOW HOW I LOG TO MY FB PROFILE...?? PLZ HELP ME SOLVE THIS PROBLEM...!!

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