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• running a web server with encrypted file system (all or part of it)

  - by Carlos

  Hi, I need a webserver (lamp) running inside a virtual machine (#1) running as a service (#2) in headless mode (#3) with part or the whole filesystem encrypted (#4). The virtual machine will be started with no user intervention and provide access to a web application for users in the host machine. Points #1,#2 and #3 are checked and proved to be working fine with Sun VirtualBox, so my question is for #4: Can I encrypt the all filesystem and still access the webserver (using a browser) or will grub ask me for a password? If encrypting the all filesystem is not an option, can I encrypt only /home and /var/www ? will apache/php be able to use files in /home or /var/www without asking for a password or mounting these partitions manually? Thanks

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• Restoring openldap configuration from ldif file?

  - by Solignis

  I am trying to restore my OpenLDAP server from an ldif file I made before it went horribly wrong. All of the websites I found talk about using slapadd but when I run slapadd -v -l ~ns01/openldap_config.ldif it returns the error Could not stat config file "/etc/ldap/slapd.conf" : No such file or directory (2) slapadd: bad configuration file! When I look in the directory indeed the file does not exist, but this is because Ubuntu 11.10 is running in RTC mode, my LDAP server uses the /etc/slapd.d/cn=config for the configuration. So? What am I missing? Is slapadd the wrong tool to use? As I said above I running on Ubuntu 11.10 server edition 64-bit.

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• Windows XP not starting up anymore (BSOD)

  - by Richard

  When I tried to start my computer running Windows XP yesterday, as I turned on the screen it was stuck at the "Welcome" screen. I had to reset it. After that, I got stuck at the point where the BIOS should load the OS - I turn on the PC, the Motherboard and BIOS post message shows up, then the blinking "thing" in the top left corner shows up 2 seconds, then everything is black. After I let it run for some time in that mode, it automatically restarts. I'm writing this here from a Ubuntu 9.10 Live CD. What can I do to fix this? How can I find out what is wrong? I'm a programmer and okay with doing (very) advanced things in that terms, so if you know something just tell me and I'll try

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• Partition table damaged

  - by emaster70

  Hello, I'm currently in a terrible situation with my hdd: I was trying to install an OS side by side with my windows 7 x64 and I used the Paragon Partition Manager feature made for that. It disabled/hid/(damaged?) one of my partitions and now I can no longer access it. The partition, unfortunately, contains data I need to access urgently and I've got no backup. To complicate things even further I don't have another PC (I'm writing this msg from my iphone) and all I can rely on is a backtrac 4 disk (wkn't connect to my wifi, gets stuck obtaining IP address) and. Windows 7 x64 disk. Booting into windows fails with the pc hanging on the starting windows screen. Safe mode won't work either. Is there anything I can do? Here's the layout of the disk: Recovery partition Win partition Unallocated space (it's supposed to be my data partition) Other os partition (don't care about that, the installation of the other OS failed) Please help me, I'm desperate.

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• Default maximum heap size -- Ubuntu 10.04 LTS, openjdk6-jre

  - by sachin

  I just installed openjdk6-jre on Ubuntu 10.04 java version "1.6.0_20" OpenJDK Runtime Environment (IcedTea6 1.9.2) (6b20-1.9.2-0ubuntu1~10.04.1) OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode) Every time I run "java" I get this error: Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. This can be solved by specifying a maximum heap size and running "java -Xmx256m" But is there anyway to permanently fix this error (i.e. set the default heap size to 256MB so that I do not need to specify the max heap size every time I run the command)

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• Does installing windows format the hard disk?

  - by Jason

  My Google search for ""does installing windows format the hard disk" returns: No results found for "does installing windows format the hard disk". I was quite surprised. I'm hoping to get a quick answer here. Does an install format the hard disk, and destroy all data, including non-os/s data? -Or do you specifically have to say "format" at some point so you know you are losing everything? [I tried to go to SP3, but it doesn't work on my computer. My SP2 disk is fired. I only have a SP1 disk, with a seperate SP2 package. I can't get to Safe Mode to uninstall SP3 ("Windows XP Setup cann run under Safemode. Setup will restart now.). I don't want running the SP1 disk to destroy any non-o/s data.] Thanks.

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• Windows Vista to Windows7 upgrade

  - by Kalls

  I have a Windows Vista Home Premium and I tried installing SP2 on it and It prompted me to install SP1. Then it stopped working when I installed SP1. I don't have back up that I can use to restore it. When I use the Windows Repair mode I am unable to get access to few options none of which is working. I do have access to the command prompt. Is there way to restore this? If I am planning to upgrade to Windows 7 Home Premium what are the steps?

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• What is the best time to schedule regular updates on inhouse production server?

  - by akira

  Given an inhouse server running in production mode I would like to keep the impact on the users as low as possible when deploying regular updates (to the server itself, not the user machines .. but that would be a pretty similar problem). The obvious answer to my question is "at night, when the users are at home". But "night" is a long period of time. Should one start early in the evening to perhaps catch problems with the update early on and be ready to rollback? Or is it better to start early in the morning and use the first users as "guinea pigs" to faster trigger the problems? Or in the middle of the night when the concentration of the one overseeing the update is pretty low but it is guaranteed to have no open file handles of some late working users? Are there any research papers on the topic?

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• Ubuntu server 12.04.03 not checking disk partitions on reboot?

  - by jamesc

  My MOTD is showing: *** /dev/md2 will be checked for errors at next reboot *** *** /dev/md1 will be checked for errors at next reboot *** *** /dev/md3 will be checked for errors at next reboot *** However, a standard sudo shutdown -r now does not appear to check the disks and the message remains. My guess is that the partitions 'should' be checked and that they are not being... so how can I get Ubuntu to check the partitions at reboot and keep things nice and safe? Update - this is the output of cat /etc/fstab proc /proc proc defaults 0 0 none /dev/pts devpts gid=5,mode=620 0 0 /dev/md/0 none swap sw 0 0 /dev/md/1 /boot ext3 defaults 0 0 /dev/md/2 / ext4 defaults 0 0 /dev/md/3 /home ext4 defaults 0 0 Update 2 - One message gone... Using @christianwolff's suggestions... sudo rm /var/lib/update-notifier/fsck-at-reboot sudo touch /forcefsck sudo shutdown -r now And now the motd is down to *** /dev/md1 will be checked for errors at next reboot *** *** /dev/md3 will be checked for errors at next reboot *** So 'md2(ext4)' has been checked and the message updated.

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• Detach a filter driver from certain drivers?

  - by Protector one

  The driver for my laptop's keyboard has a kernel-mode filter driver from Synaptics (SynTP.sys) attached. Is it possible to detach the SynTP.sys filter driver from my keyboard's driver, without detaching it from my Touchpad's driver? This Microsoft Support page explains how to completely disable a filter driver, but my touchpad requires SynTP.sys as well. I'm trying to do this is because the Synaptics driver disables my touchpad when I type. (Explained fully in this question: Use touchpad while "typing"?.) Since I don't have a solution to that problem, I figured removing the filter driver from the keyboard could prevent the Synaptics driver from detecting key strokes, thus stopping it from disabling the touchpad.

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• Is it possible to have tab completion of drop-down lists in web pages in Firefox?

  - by Nick Booker

  Does anyone know of a Firefox plugin that would enable tab-completion (or some other key sequence like Alt-L) of items in drop-down lists in web forms? e.g. ou<TAB>in<TAB>s<TAB> for 'OurCompany - Internal Support' Vimperator's hints mode makes it very ergonomic to focus the drop-down list with a key sequence like f13 but the keyboard interface to the drop-down list still sucks. I very frequently have to pick items from a very long list with very long common prefixes among the entries (e.g. 30-40 starting with OurCompany -), which renders both the built-in keyboard interface and the mouse pretty slow and unergonomic. I basically want readline support for filling webforms!

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• Creating ip alias on bonded interface ie. bond0:1

  - by bobothechimp

  System: HP Proliant DL360 G5 running CentOS 5.4 Bonded interface is working fine for a long time. I just went to add an alias the way I always have on a regular interface, and on first check it works (pinging on the local box) but it is not accessable from outside (iptables is turned off). In addition with this setup the normal network response started to decline, hanging for around a minute before I could get a prompt on login. Here are my config files: [root network-scripts]# cat ifcfg-eth0 DEVICE=eth0 BOOTPROTO=none ONBOOT=yes MASTER=bond0 SLAVE=yes USERCTL=no [root network-scripts]# cat ifcfg-eth1 DEVICE=eth1 BOOTPROTO=none ONBOOT=yes MASTER=bond0 SLAVE=yes USERCTL=no [root network-scripts]# cat ifcfg-bond0 DEVICE=bond0 BONDING_OPTS="mode=1 miimon=100" BOOTPROTO=none ONBOOT=yes NETWORK=10.2.1.0 NETMASK=255.255.255.0 IPADDR=10.2.1.11 USERCTL=no [root network-scripts]# cat ifcfg-bond0:1 DEVICE=bond0:1 BOOTPROTO=static ONBOOT=yes NETWORK=10.2.1.0 NETMASK=255.255.255.0 IPADDR=10.2.1.12 USERCTL=no any thoughts?

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• Can't unlock locked screen, in Ubuntu 12

  - by Camille Goudeseune

  After locking the screen (with a keystroke bound to xlock -nice 8 -mode blank), I can unlock the screen as expected, but only within a few minutes. After being locked overnight, when I hit a key (even Ctrl+Alt combos), the screen stays black with just a brief white flash across the middle of both monitors. The workaround is to ssh in from another host and restart X. Some months ago, this happened every few weeks. By now it happens almost every morning. How do I even start to diagnose this? What might I look for in log files? (The intermittency is particularly troubling.) Failing that, is there an alternative to xlock aka xlockmore? Hardware: 3-year-old HP minitower, GEForce 9800 GT, two Asus LCD monitors. Software: Ubuntu 12.04.2 LTS. Window manager awesome-wm. NVidia driver 304.88. XLock version xlockmore-5.31.

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• Is there a pressure sensitive stylus for windows 8 power capacitative screen devices?

  - by JohnnyM

  I own a Dell XPS 12 Duo (filp-screen ultrabook with 10-point cap. screen) with Windows 8. Note: The ultrabook has Bluetooth 4.0. I would really love to have a preassure sensitive stylus that I could use to draw on the capacitative screen, when in tablet mode. So far I couldn't find any that would be compatible with Windows 8, maybe you guys could help. Must have: works with capacitative screen windows 8 compatible pressure sensitive Important: thin tip Nice to have: palm rejection tilt sensitive extra buttons (lots of them) TIA

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• Skype keeps making me automatically invisible

  - by Jon

  I keep getting made invisible automatically by skype. It doesn't even appear to happen at consistent intervals. Sometimes it doesn't happen at all, sometimes it happens every 5 seconds. I don't want this to happen, but I can't find an option to disable it. Does anybody know if it's possible to disable the invisible status or prevent the timer at all? Or is there a hotkey that I am inadvertently pressing that activates invisible mode? Thanks.

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• Is the decision to use SNI or IP based SSL made during cert purchase or cert installation?

  - by Neil Thompson

  It's time to renew an SSL cert - but the website will soon be moving from a dedicated machine with a fixed IP to a cloud based host behind a load balancer. When I renew or re-purchase my ssl cert do I make the decision about whether it should be an SNI / IP based SSL Cert at the point of purchase - or is a cert a cert and it's all about where and how it's installed? I'm hoping the renewed cert can continue to be IP based for now, and in a few months when the website (and it's domain ofc) moves to the cloud I can re-use the cert in 'SNI mode'

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• Ubuntu 12.04 issue installing Webmin modules (file does not exist)

  - by Arthur

  I'm running ubuntu 12.04. On this machine I have Webmin 1.580 installed. When trying to add a new module to Webmin I receive an error: "Failed to install module from : File does not exist" This happens when i go to Webmin Configuration Webmin Modules Select "Third party module from" Select "OpenVPN admin tool" and clicking on install module After I selected "OpenVPN admin tool" this url is being added: http://www.openit.it/downloads/OpenVPNadmin/openvpn-2.5.wbm.gz This URL resolves to a correct file. When uploading the file directly, the same error occurs. In the log file: /var/webmin/webmin.log nothing special is reported. How can I fix this issue? P.s. I run this server in CLI mode

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• Would there be any problems with DEP turned off?

  - by IneedHelp

  I recently moved to a fresh Windows 8 x64 system and I learned that my favourite firewall (JPF - Jetico Personal Firewall) doesn't get along with Win8x64 (CRITICAL_STRUCTURE_CORRUPTION errors), but I can not do without JPF, so I kind of tried everything I could think of (test mode, debugging, various system changes), but I was still getting blue screens because of the firewall driver/software. I know for sure that it is the firewall that is causing the problems because I get blue screens as soon as I install it and they stop when I uninstall it. I Also tested it thoroughly on virtual computers. Anyway, I have discovered that by completely turning DEP off by using this command: bcdedit.exe /set {current} nx AlwaysOff the firewall would not cause blue screens anymore. So my question is, what could go wrong with DEP completely turned off? Note: I do not care much about hardware/windows security, I keep myself secured by using sandboxes and virtual computers (and I also have backups), so I'm not concerned with viruses and root kits or whatever people are freaking out about.

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• Windows 7 is swallowing a keystroke combination

  - by Mike K

  I'm using the gnu emacs editor under windows 7. I would like to bind a particular keystroke combination to an editor command. That combination is "control key" + ")", i.e., "control key" + "shift key" + "0". However, it appears this keystroke combination is being swallowed by the OS somehow. Using emacs's "view-lossage" feature indicates that it is never seeing the key. This happens even in safe mode. It does not happen under windows XP. Anyone know of a way to fix / diagnose what's happening?

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• Why does internet explorer 8 fail to locate jpg files that other browsers can find?

  - by user278457

  The following URL doesn't display for me in Internet Explorer 8. I even tried compatibility mode and it didn't fix the issue. http://beat.com.au/sites/default/files/images/_DSC5596.jpg It appears just fine in Chrome/Safari/Firefox. I suspect it has something to do with the filename starting with _ but that seems like a fairly big stretch to me. Is this error repeatable on other people's computers? And why on earth would such a strange thing happen anyway?

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• how to uninstall the jdk 1.7.0 in the ubuntu

  - by kaiwii ho

  i encounter a very strange problem,and here is the detail: i'm going to uninstall the jdk 1.7.0.but when i use the rpm to check the appropriate name of the package,it prompt nothing.Anyway,when i use the command java -version,it will prompt the detail of the jdk 1.7.0. below is the detail: root@kaiwiiho:/usr/java# rpm -qa|grep jdk root@kaiwiiho:/usr/java# java -version java version "1.7.0" Java(TM) SE Runtime Environment (build 1.7.0-b147) Java HotSpot(TM) Server VM (build 21.0-b17, mixed mode) root@kaiwiiho:/usr/java# rpm -qa|grep jdk root@kaiwiiho:/usr/java# so what happen?And how can i uninstall it?thx

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• formating a hard drive for use in an asus aspire one d250

  - by paynes_bay

  I have an Asus Aspire One D250 that's out of warranty and whose hard drive is giving the click of death. I'm trying to use a spare SATA HDD I have but am having some difficulty. I have a USB CD drive that I plugged into the computer but when I tried to boot off of a Windows XP SP3 install CD the hard drive wasn't recognized. I tried to format the hard drive in another computer and then plug the hard drive into the Asus Aspire and although this gets me to the Windows XP loading screen it crashes before it gets into Windows, itself. Even in Safe Mode. I also tried to install Windows XP off of a USB stick but it seemed to hang during the install process. As in the next day it was still in the blue screen installer. Any ideas?

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• Having internet on a VirtualBox

  - by S4M

  I am running a linux laptop and I set up a VirtualBox under windows XP. My only problem is the VirtualBox doesn't seem to be connected to internet - When I do the connection diagnosis it tells me there is no connection. I am using an NAT adapter, and I bind the port 80 from my computer to the port 80 of the VirtualBox, and same for the ports 8080, but still no result. I would be grateful is someone could help me to sort this out. EDIT: thinking of it, what is making the problem hard - and painful - is the absence of error message. If I try to use a given adapter to share my computer's connection with the VirtualBox, and it doesn't work, I have no way to know why. So, it would be really helpful if someone could share a way to access this king of information (is there a log file somewhere or a way to run VirtualBox from command line in a verbose mode?).

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• How do I set Windows 7 as default OS but retain Windows 8 Boot screen?

  - by PJC

  I am dual-booting between Windows 7 and Windows 8 on a test workstation, and typically reboot 3-4 times per day. If I set Windows 8 as the default OS, I get the Windows 8 graphical boot screen, which is easy to 'see' during the boot process, but if I set Windows 7 as the default OS, I only get the Windows 7 text-mode boot screen. While I mostly want Windows 7 (at the moment), on the occasions I restart to get to Windows 8, I often 'miss' seeing the text-only boot and have to restart twice. Is it possible to (and if so, how do I) configure this such that Windows 7 is the default OS, but still having the Windows 8 boot screen appear? Edit: Just so you guys know, I've tried setting Windows 7 as the default both from the Windows 8 Boot screen itself, and from within Windows 8 -- neither of these have the desired effect.

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• Windows 8.1 will not go back to sleep after waking up

  - by per

  I have problems putting Windows to sleep and starting the screen saver on my new Windows 8.1 machine. Sleep mode and screen savers work only when the computer is first powered up (or restarted). But once it goes to sleep (manually or automatically) and I wake it up later, it wont go back to sleep again and I can't use screen savers either. I updated the chipset and graphics card drivers. My computer isn't part of a homegroup either. Does anyone else have similar issues? Thanks for your advice, per

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