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  • How to use MacBook Pro with external monitor / keyboard / mouse while running on battery only?

    - by Another Registered User
    I'm using my MacBook Pro like a desktop sometimes. But for some reason, when I unplug the Power Supply, it is impossible. The MacBook Pro immediately shuts off. When I turn it on by hitting any key on the external keyboard, it wakes up for about 10 seconds but then goes to sleep again. Sometimes I want to use my MacBook Pro without the Power plugged in to it, just to use the Battery a little bit. And also sometimes when someone else needs my Power Supply. I couldn't find an option in the system preferences. Is there an trick how to get that work?

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  • Mac OS X Time Machine Restore - Failure?

    - by Rabe
    I've got an late 2009 macbook pro 13' and yesterday I replaced the native hd (new hd: Hitachi; same form factor). I choosed "Restore from Time Machine" in the options menu on the snow leopard install discs and waited several hours to complete. After an reboot the mac shows up a white screen with apple logo and tiny loading animation. Nothing happens. After another restart; the same. Now I cant boot from CD using the C-Key and I have no idea how to fix that problem.

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  • Collision detection - player gets stuck in platform when jumping

    - by Sun
    So I'm having some problems with my collision detection with my platformer. Take the image below as an example. When I'm running right I am unable to go through the platform, but when I hold my right key and jump, I end up going through the object as shown in the image, below is the code im using: if(shapePlatform.intersects(player.getCollisionShape())){ Vector2f vectorSide = new Vector2f(shapePlatform.getCenter()[0] - player.getCollisionShape().getCenter()[0], shapePlatform.getCenter()[1] - player.getCollisionShape().getCenter()[1]); player.setVerticleSpeed(0f); player.setJumping(false); if(vectorSide.x > 0 && !(vectorSide.y > 0)){ player.getPosition().set(player.getPosition().x-3, player.getPosition().y); }else if(vectorSide.y > 0){ player.getPosition().set(player.getPosition().x, player.getPosition().y); }else if(vectorSide.x < 0 && !(vectorSide.y > 0)){ player.getPosition().set(player.getPosition().x+3, player.getPosition().y); } } I'm basically getting the difference between the centre of the player and the centre of the colliding platform to determine which side the player is colliding with. When my player jumps and walks right on the platform he goes right through. The same can also be observed when I jump on the actual platform, should I be resetting the players y in this situation?

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  • Create a system image in Windows 8

    - by Greg Low
    One of the things that I've just come to accept is that the designers of Windows 8 and I think very differently.It'll take a long time to convince me that shutting down the computer is a "setting". Even after using Windows 8 for quite a while now, I still find that I struggle nearly every day, just trying to do things that I previously knew how to do. That's just not a good thing.Today I decided to create a system image as I hadn't made one lately. I started in Control Panel looking for Backup options. That yielded nothing except programs that wanted to "Save backup copies of my files with file history". I thought "oh well, let's just try the new search options". I hit the Windows key and typed "Backup". No, nothing came up there either.I searched again all over the Control Panel options to no avail.So it was time to hit Google again. Once again, clearly lots of people used to know how to do this and have been trying to work out where this option went.The first trick is that there are a bunch of Control Panel options that don't appear in the Control Panel. In the address bar at the top, if you click on Control Panel, you'll find there is an option that says "All Control Panel Options". That is curious given that's where I thought I was when I opened Control Panel. No hint is given on that screen that there are a bunch of hidden options. None the less, I then checked out "all" the options.The option that you need to create a system image in Windows 8 turns out to be the "Windows 7 File Recovery" option that appears in this extended list. Why does it say "Windows 7" when it's for "Windows 8" as well and I'm running "Windows 8"? Why do I have to choose an option that says "File Recovery" to create a system image backup?<sigh>But at least I've recorded it here for the next time I forget where to find it.

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  • end_request: I/O error, dev sda, sector xxxxxxxxx

    - by muruga
    I have a IBM server. This server contains 3 hard disk with RAID 5. It was working fine earlier. Unfortunately this machine got the following error message. After that I have rebooted the systems. After that I am getting the following error message in kern.log and demsg kernel: [65896.678870] end_request: I/O error, dev sda, sector 17430271 kernel: [69263.783957] sd 0:0:0:0: [sda] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE,SUGGEST_OK : [69263.783957] sd 0:0:0:0: [sda] Sense Key : Hardware Error [current] kernel: [69263.783957] sd 0:0:0:0: [sda] Add. Sense: Internal target failure Whether it is kernel problem or hard disk problem or Raid problem

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  • WIN7 and Ubuntu lost after Installing ubuntu 12.04 and win7 dual system ,I have no OS on my laptop now

    - by abos
    Here is the procedure: In the morning I installed ubuntu using a USB directly without config any thing to my win7 system. After install complete, ubuntu installation software tell me to reboot.And everything is just find. While rebooting, there is NO UBUNTU system for me to select,and my laptop go straight to log in using WIN7. NO ubuntu shows on WIN7's configuration(Default System). Log in ubuntu using usb(try ubuntu without installation), I can find ubuntu's filesystem was already there. Formatting the disk on WIN7's disk management, rearranging them to other disk.Still having no trouble with WIN7. In the afternoon try a few times of installation and uninstallation of ubuntu. still shows no sign of selecting ubuntu system. In the evening another trial while installing ubuntu with the third option of: installing ubuntu alongside with INW7, erase win7 and install ubuntu. somethingelse --- my check failed with configuartion for what comes out with the 'something else' option,reboot. And I have no system now with some cmd tips say: Reboot and Select proper Boot Device or Insert Boot Media in selected Boot device and press a key. Files those on win7's orginal file system and Ubuntu filesystem can still be found when I 'try ubuntu without installation'. 5.But I just got no OS when I reboot my laptop normally.

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  • Windows 7 Pro - "domain" like login screen appeared

    - by Adrian
    I'm setting up a new PC with the Windows 7 Pro. After some actions (software installing, config changes, applying updates ), my login screen looks like the PC is connected to the domain: I have checked the settings and everywhere the "workgroup" is checked. I have been googling for three hours trying some solutions (Control UserPasswords2, regedit and the ".DEFAULT" key) but nothing works. I cannot see the user icons - only the login screen as above. I cannot also change the account icon. Has anybody seen such an issue?

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  • Any mobile-friendly Credit Card billing solutions for mobile sites similar to Bango?

    - by Programmer
    Are there any mobile-friendly Credit Card billing solutions for mobile sites similar to Bango? The advantages of Bango I have seen compared to regular Credit Card solutions that make it considerably "mobile-friendly" are: 1) It does not require the user to enter their full name and billing address to make a payment. The user is only required to enter their Credit Card number, expiration date, and CVC code (if they are in the U.S., they will also have to enter their Zip Code). That is significantly less input than is normally required for Credit Card payments, which is a big plus on small mobile key pads. After a user makes an initial Credit Card payment, their details are stored by Bango, and the next time the user needs to make a payment with the same Credit Card, they just have to click a single link and it processes the payment on their stored Credit Card. Needless to say, this is very convenient for mobile users as it is analogous to Direct Carrier Billing as far as the user is concerned since they won't need to input any details. The downside with Bango is that their fees are higher than others, all payments must be processed via their site and branding, there is a high minimum ($1.99) and a low maximum ($30) on how much you can charge users, and you need to pay a monthly fee on top of the high transaction costs. It is due to the downsides mentioned above that I am looking for an alternative solution that also does the advantages 1) and 2) above. Is there anything like that? I looked at JunglePay and they do neither 1) nor 2).

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  • Which linux x86 hardware keystore?

    - by byeo
    I'm terminating SSL/TLS in my DMZ and I have to assume that machine will be hacked. At which point my certificates are compromised. Previously I've used nCipher hardware keystore/accelerator to solve this issue. These cards won't reveal the private key even to root. The card performs the encryption and decryption onboard and is hardened against physical attack. The only way to get at the keys is by attaching a smart card reader to the card itself. I'm having trouble finding information about something to recreate this approach. Is this the domain of specialist switches and firewalls these days? This old page references some of the old hardware: http://www.kegel.com/ssl/hw.html#cards

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  • why doesn't my computer resume after sleeping overnight?

    - by bamdad
    i'm having a weird, weird bug that's been haunting me since 11.10. if i listen to music or watch a video and my computer automatically goes to sleep at night, it won't properly resume in the morning. otherwise, suspend and resume works just fine. what happens is that the wi-fi and bluetooth indicator (that turns from white to orange when suspending) stays orange, the display doesn't turn on, and the only option i have is to hard reset the machine. here's what i've tried so far: installing (and uninstalling and reinstalling) laptop-mode-tools switching the proprietary wireless driver (broadcom-wl) to the open source one (brcmsmac & bcma) and back unloading (and blacklisting) all bluetooth modules (rfcomm, btusb, bnep, bluetooth) and stopping (# stop bluetooth) and disabling (# echo 'manual' /etc/init/bluetooth.override) the bluetooth service creating a custom pm sleep action as suggested here: http://ubuntuforums.org/showthread.php?p=11926504 not watching youtube / any stuff that uses flash before going to sleep (i have flashblock, and i checked $ ps aux | grep flash) because i suspected flash to be the culprit trying out different versions of fglrx (the one from the repos, then installing the latest one from amd's site via generated .deb files, then back to the official ones) none of these worked. i remember back in the days of 10.04, there was a gconf key called network sleep: i thought about disabling that, since re-enabling the wireless card seems to be the problem (according to the indicator led), but the option appears to be missing from gnome 3 (unity-2d, whatever). does anyone have any ideas? thanks, bamdad

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  • Design practice for securing data inside Azure SQL

    - by Sid
    Update: I'm looking for a specific design practice as we try to build-our-own database encryption. Azure SQL doesn't support many of the encryption features found in SQL Server (Table and Column encryption). We need to store some sensitive information that needs to be encrypted and we've rolled our own using AesCryptoServiceProvider to encrypt/decrypt data to/from the database. This solves the immediate issue (no cleartext in db) but poses other problems like Key rotation (we have to roll our own code for this, walking through the db converting old cipher text into new cipher text) metadata mapping of which tables and which columns are encrypted. This is simple when it's just couple of columns (send an email to all devs/document) but that quickly gets out of hand ... So, what is the best practice for doing application level encryption into a database that doesn't support encryption? In particular, what is a good design to solve the above two bullet points? If you had specific schema additions would love it if you could give details ("Have a NVARCHAR(max) column to store the cipher metadata as JSON" or a SQL script/commands). If someone would like to recommend a library, I'd be happy to stay away from "DIY" too. Before going too deep - I assume there isn't any way I can add encryption support to Azure by creating a stored procedure, right?

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  • Restrict Applications access to Device

    - by Dboy1612
    I have a PC that has the ability to handle running multiple game clients at once (specifically Tera Online). What I'd like to do is assign and/or restrict each clients access to a device (Gamepad) so that the actions from each device only effects the client I specify. After doing some research with Python's PyGame, I can see that a Gamepad essentially works like a Keyboard does by sending global key events to the entire system, and then the application reading those events. Question is, how can I make it not global? ONly have one application read one controller? Any help is appreciated!

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  • VIM - how to substitute a word in-place?

    - by psihodelia
    I would like to substitute a word in-place. For example, after yanking some word by pressing yw and then I set a cursor on some other word, then I would like to press something so that substitution will happen. (e.g. SOME_KEYw where w is really w and SOME_KEY is some key). I would not like to switch into Insert Mode. I am not interested in :%s/oldword/newword/gc solution. I need interactive in-place substitution!

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  • Mouse works fine but keyboard (not wireless) not responding to anything

    - by Christine Boeke
    I read previous questions like mine and looked to see if keys were depressed and checked to make sure the mouse key was off in the system preferences. The mouse works just fine but the keyboard seems to be dead. I plugged in another keyboard and it responded identically. Is it something in the Desktop itself? Could I need a technician? I have searched for answers on line and had no success. Thanks!

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  • How do I stop ssh-agent from forgetting my password after I login to the screen session from SSH?

    - by Shwouchk
    I have a screen session open in an lxterminal window. If I SSH somewhere, the first time it happens, an ssh-agent window opens and asks me for my private key passphrase, and after that ssh goes right on. If I log in from outside to this machine and attach to the screen session however, ssh-agent now asks me every time I connect for my passphrase, in the terminal. Is there a way to avoid this and to let it continue using the X agent, or at least to have the non-X agent remember the passphrase?

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  • pointers to member functions in an event dispatcher

    - by derivative
    For the past few days I've been trying to come up with a robust event handling system for the game (using a component based entity system, C++, OpenGL) I've been toying with. class EventDispatcher { typedef void (*CallbackFunction)(Event* event); typedef std::unordered_map<TypeInfo, std::list<CallbackFunction>, hash_TypeInfo > TypeCallbacksMap; EventQueue* global_queue_; TypeCallbacksMap callbacks_; ... } global_queue_ is a pointer to a wrapper EventQueue of std::queue<Event*> where Event is a pure virtual class. For every type of event I want to handle, I create a new derived class of Event, e.g. SetPositionEvent. TypeInfo is a wrapper on type_info. When I initialize my data, I bind functions to events in an unordered_map using TypeInfo(typeid(Event)) as the key that corresponds to a std::list of function pointers. When an event is dispatched, I iterate over the list calling the functions on that event. Those functions then static_cast the event pointer to the actual event type, so the event dispatcher needs to know very little. The actual functions that are being bound are functions for my component managers. For instance, SetPositionEvent would be handled by void PositionManager::HandleSetPositionEvent(Event* event) { SetPositionEvent* s_p_event = static_cast<SetPositionEvent*>(event); ... } The problem I'm running into is that to store a pointer to this function, it has to be static (or so everything leads me to believe.) In a perfect world, I want to store pointers member functions of a component manager that is defined in a script or whatever. It looks like I can store the instance of the component manager as well, but the typedef for this function is no longer simple and I can't find an example of how to do it. Is there a way to store a pointer to a member function of a class (along with a class instance, or, I guess a pointer to a class instance)? Is there an easier way to address this problem?

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  • Performance impact of Zones.

    - by nospam(at)example.com (Joerg Moellenkamp)
    I was really astonished when i saw this question. Because this question was a old acquaintance from years ago, that i didn't heard for a long time. However there was it again. The question: "What's the overhead of Zones?". Sun was and Oracle is not saying "zero". We saying saying minimal. However during all the performance analysis gigs on customer systems i made since the introduction of Zones i failed to measure any overhead caused by zones. What i saw however, was additional load intoduced by processes that wouldn't be there when you would use only one zone Like additional monitoring daemons, like additional daemons having a controlling or supervising job for the application that resulted in slighly longer runtimes of processes, because such additional daemons wanted some cycles on the CPU as well. So i ask when someone wants to tell me that he measured a slight slowdown, if he or she has really measured the impact of the virtualization layer or of a side effect described above. It seems to be a little bit hard to believe, that a virtualisation technology has no overhead, however keep in mind that there is no hypervisor and just one kernel running that looks and behaves like many operating system instances to apps and users. While this imposes some limits to the technology (because there is just one kernel running you can't have zones with different kernels versions running ... obvious even to the cursory observer), but that is key to it's lightweightness and thus to the low overhead. Continue reading "Performance impact of Zones."

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  • How do I make my "volume up" more powerful in Win7?

    - by joon
    My volume up button raises the volume by 1%. Its also not a button, it's a weird 'touch' thing which is really really terrible. If I want to lower the volume, I have to awkwardly rub it for a while. If it were to decrease by 5% or 10% it would be a lot better. Can this be set somewhere in Windows/Keyboard settings? I got close to a solution with Autohotkey, where I could do this: a::Send {Volume_Up 5} which would send the volume up command five times, however when I assign it to the volume key, it forms an endless loop since the Send command sends Volume_Up and parses it at the same time. Update: I ended up with this script: $Volume_Up::VolumeUp() $Volume_Down::VolumeDown() VolumeUp( ) { Send {Volume_Up 6} SoundBeep, 750, 50 } VolumeDown( ) { Send {Volume_Down 6} SoundBeep, 750, 50 }

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  • What is the breakdown of jobs in game development?

    - by Destry Ullrich
    There's a project I'm trying to start for Indie Game Development; specifically, it's going to be a social networking website that lets developers meet through (It's a secret). One of the key components is showing what skills members have. Question: I need to know what MAJOR game development roles are not represented in the following list, keeping in mind that many specialist roles are being condensed into more broad, generalist roles: Art Animator (Characters, creatures, props, etc.) Concept Artist (2D scenes, environments, props, silhouettes, etc.) Technical Artist (UI artists, typefaces, graphic designers, etc.) 3D Artist (Modeling, rigging, texture, lighting, etc.) Audio Composer (Scores, music, etc.) Sound Engineer (SFX, mood setting, audio implementation, etc.) Voice (Dialog, acting, etc.) Design Creative Director (Initial direction, team management, communications, etc.) Gameplay Designer (Systems, mechanics, control mapping, etc.) World Designer (Level design, aesthetics, game progression, events, etc.) Writer (Story, mythos, dialog, flavor text, etc.) Programming Engine Programming (Engine creation, scripting, physics, etc.) Graphics Engineer (Sprites, lighting, GUI, etc.) Network Engineer (LAN, multiplayer, server support, etc.) Technical Director (I don't know what a technical director would even do.) Post Script: I have an art background, so i'm not familiar with what the others behind game creation actually do. What's missing from this list, and if you feel some things should be changed around how so?

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  • using git on DOS command line asks for password - but not when using TortoiseGit or gitBash

    - by Sandy
    I would like to use the DOS command line to enter the command: git clone "git_path.git" myDir It asks me to enter a password which I would like to avoid. I usually use TortoiseGit to do all git related operations. I would like to setup cruisecontrol using ant with a custom git task. Therefore I need to perform git clone on the command line in Windows 7. But it only works using git bash and not DOS. According to other forum entries, I tried to convert the key with puttyGen and put the file id_rsa in c:/Users/myName/.ssh I also added an authorized_keys file but it still asks for a password. Any ideas? Thanks

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  • Blender/POV-Ray differences

    - by Magnap
    I am currently following a tutorial for Blender, but came across POV-Ray mentioned as a renderer. After having researched it a bit, i took a look at it's scene description (scripting) language, which kind of fascinated me. But, after even more googling of the topic, i am still wondering: What are the main and key differences between working with 3D in resp. Blender and POV-Ray? PS: I suspect this might not be the best place for a question such as this, but it seems to be the most suitable.

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  • What is the method to reset the Planar 1910m monitor?

    - by Richard J Foster
    My monitor (a Planar, apparently model number PL1910M) is not working. (It is flashing a green / orange sequence which I believe to be an error code. The sequence, in case it helps consists of orange and green three times quickly followed by a longer orange, then another green followed by a long period where both colors appear to be present). I vaguely recall a co-worker suffering from a similar problem, and our IT department "resetting" the monitor by holding down a certain set of keys as they apply power. Unfortunately, I do not remember what that key sequence was, our IT department is not responding, and the Planar web site is blocked by the content filtering firewall we have in place! What is the sequence to perform the reset? (For bonus geek-credit, what does the code mean... as if it indicates a blown component clearly a reset will not help me. ;-))

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  • Wireless keeps disabling or stays disconnected (Realtek RTL8191SEvB)

    - by jindrichm
    I have Realtek RTL8191SEvB wireless card on Ubuntu 10.10: $ lspci -v | grep Network 03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller (rev 10) When I load its driver, according to the Network Manager it sometimes blinks with a list of available networks but it keeps disabling itself or it stays disconnected. So, I can't connect to any wi-fi network (which results in frustration). The driver is loaded: $ lsmod Module Size Used by r8192se_pci 509932 0 Looks normal: $ sudo lshw -C network *-network description: Wireless interface product: RTL8191SEvB Wireless LAN Controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:03:00.0 logical name: wlan0 version: 10 serial: 1c:65:9d:60:c7:7a width: 32 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=rtl819xSE driverversion=0019.1207.2010 firmware=63 latency=0 link=no multicast=yes wireless=802.11bgn resources: irq:17 ioport:2000(size=256) memory:f0500000-f0503fff Configured: $ sudo iwconfig wlan0 wlan0 802.11bgn Nickname:"rtl8191SEVA2" Mode:Managed Frequency=2.412 GHz Access Point: Not-Associated Bit Rate:130 Mb/s Retry:on RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=10/100 Signal level=0 dBm Noise level=-100 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 Is not blocked: $ rfkill list all 0: tpacpi_bluetooth_sw: Bluetooth Soft blocked: no Hard blocked: yes However something's happening with it: $ dmesg [ 6485.948668] InitializeAdapter8190(): ==++==> Turn off RF for RfOffReason(1073741824) ---------- [ 6486.062666] rtl8192_SetWirelessMode(), wireless_mode:10, bEnableHT = 1 [ 6486.062671] InitializeAdapter8192SE(): Set MRC settings on as default!! [ 6486.062675] HW_VAR_MRC: Turn on 1T1R MRC! [ 6486.064091] ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 6486.248761] rtl8192_SetWirelessMode(), wireless_mode:10, bEnableHT = 1 [ 6486.248771] InitializeAdapter8192SE(): Set MRC settings on as default!! [ 6486.248776] HW_VAR_MRC: Turn on 1T1R MRC! [ 6486.580083] GPIOChangeRF - HW Radio OFF [ 6486.610085] ============>sync_scan_hurryup out [ 6486.623814] ================>r8192_wx_set_scan(): hwradio off [ 6486.830484] =========>r8192_wx_set_essid():hw radio off,or Rf state is eRfOff, return So, does anyone know where the problem might be?

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  • Ubuntu hang, and cannot be soft-reset after resuming from stand by mode

    - by Phuong Nguyen
    I have downgrade my xorg drivers, so I can hibernate and stand by my ubuntu smoothly. However, in some case, there's a problem. My ubuntu get hang. When I tried to switch to console mode (Ctrl+Alt+F1), then I cannot login. The system always reply with an error whenever I tried to press a key. When I press Ctrl+Alt+Del to perform a softreset, here what's it said: [80141.320122] end_request: I/O error, dev sda, sector 193687181 init: control-alt-delete main process (5660) terminated with status 2. This error is not even recorded in syslog. I guess this should be a problem with my hard disk since it said something about a bad sector. Exactly, what kind of error is this?

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  • root locked out of EC2

    - by Paco
    I was in the process of disabling root logins on an AWS EC2 instance. Right after setting PermitRootLogin no and restarting sshd, I closed the terminal on accident -- before setting up users with sudo privileges. The result is that my key to get into the instance as root does not work (sshd forbids it) and when I log into the instance using my regular user I can't gain root privileges (the root password was never set). The instance is running ubuntu 8.10. Anyone have any idea how can I fix this?

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