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  • Preparing laptops for theft

    - by ccook
    With a number of laptops out there the likelihood of one being stolen is high. What methods, preferably free, can be used to secure the data on the computers? The laptops do not have any special hardware on them, and generally keep their user data in a dropbox folder. One small step taken is to have the the dropbox folder encrypted by Windows 7. Any additional suggestions are greatly appreciated. The data in the dropbox folder is sensitive.

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  • Unecrypted Image of Truecrypt-Encrypted System Partition

    - by Dexter
    The general tenor around the internet seems to be that you can't create images of system partitions that have been encrypted (with truecrypt) other than with dd or similar sector-by-sector copy tools. These files however are very impractical given their size (and are obviously incompressible) which makes keeping multiple states/backups of your system partition rather expensive (..especially considering current hdd prices). The problem is that backup tools (like Acronis True Image, Clonezilla, etc.) won't give you the option to create an image of (mounted/opened) Truecrypt partitions, or that there is no recovery environment for restoring the backup, that would allow to run truecrypt before doing any actual restoring. After some trial and error however, I believe I have found a very simple way. Since Truecrypt (running in Linux) creates a virtual block device, that it uses for mounting the unencrypted partitions into the file system, partclone can be used for creating/restoring images. What I did: boot up a linux live disk mount/open the drive/device/partition in truecrypt unmount the filesystem mount point again, like so: umount /media/truecryptX ("X" being the partition number assigend by truecrypt) use partclone (this is what clonezilla would do too, except that clonezilla only offers you to back up real drive partitions, not virtual block devices): partclone.ntfs -c -s /dev/mapper/truecryptX -o nameOfBackupFile for restoring steps 1-3 remain the same, and step 4 is partclone.ntfs -r -s nameOfBackupFile -o /dev/mapper/truecryptX A backup and test-restore of the system (with this method) seems to have worked fine (and the changed settings were reverted to the backup-state). The backup file is ~40 GB (and compressible down to <8GB with 7zip/LZMA2 on the "fast" setting). I can't quite believe that I'm the only one that wants to create images of encrypted drives, but doesn't want to waste 100GB on the backup of one single system state. So my question now is, given how simple this was, and that no one seems to mention anywhere that this is possible - did I miss something? or did I do something wrong? Is there any situation that I didn't think of where this method will fail? Obviously, the backup file needs to be stored in some other encrypted place in order to still remain confidential, since it is unencrypted. Also, in order to do a full "bare metal" restore, one would have to actually first (re-)install Windows, encrypt it, and only then restore the backup file. The funny thing however is that you won't need to backup any partition tables, etc. since the reinstall will effectively take care of that. Is there anything else? This is imho still a lot better than having sector-by-sector images..

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  • OS X Snow Leopard, change file permissions on copy

    - by Francesco K
    I work with OS X, Snow Leopard and need to allow users to make copies of files (templates) located in a read-only repository for subsequent editing. The repository is located on a separate physical drive mounted to the OS X boot volume. As this is a shared computer in a school environment, all users access the machine via a single login ("user_local"). Whether using POSIX permissions or ACLs, the use case requires the file permissions to change from "read" to "read write" as they get copied to the "user_local" home directory. Googling around has not yielded anything that would indicate that this is possible via the Snow Leopard permission system. Question 1: Is this in fact possible via the permission system? If so, how? Question 2: If not possible, how would one go about solving this problem? I imagine this to be a fairly common use case so there must be a workable solution for it out there. Thanks.

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  • How to map a user to a domain, with Usermin and Postfix?

    - by HappyDeveloper
    What I need is to create a couple of websites, each one with only one user, which is allowed to send mails from any address @ his own domain. Example: Site foo.com would have an user foo, which can send mails from [email protected]. Currently, when the user logins to Usermin, the default 'from' field is example-dns.net (editable) I want it to show an editable field for the user part, and @foo.com (non editable) So how can I do this? Is there some way to automate this?

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  • How to map a user to a domain, with Usermin and Postfix?

    - by HappyDeveloper
    What I need is to create a couple of websites, each one with only one user, which is allowed to send mails from any address @ his own domain. Example: Site foo.com would have an user foo, which can send mails from [email protected]. Currently, when the user logins to Usermin, the default 'from' field is example-dns.net (editable) I want it to show an editable field for the user part, and @foo.com (non editable) So how can I do this? Is there some way to automate this?

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  • OLTP Sql Server RAID configuration with 10 disks, allocation Unit and disk stripe size

    - by Chris Wood
    On a new db server I only have 10 disks to play with, The usage is about a booking every 3-5 seconds, so not high volume, I know compromises have to be made, but my initial thoughts are - DISK 1 & 2 - RAID 1 - OS DISKS 3,4,5,6 - RAID 10 - Data, Indexes & TempDB DISKS 7,8,9,10 - RAID 10 - Logs & Backup Full backups will take place when there is virtually no traffic on the website so not bothered about the contention with the logs. disk 3-10 - 8kb NTFS unit allocation size disk 3-10 - 64kb Disk Stripe size does this seems to be sensible, any other considerations I have omitted ? thanks

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  • Real-time offline folder-to-folder backup application needed (Windows)

    - by niktech
    I recently started using Intel Matrix Storage RAID solution that allowed me to use my 5 1TB drives for two RAID volumes. First one a 1TB RAID 0 striped across all 5 drives and second one a RAID 5 across the rest of the free space on all drives (around 2.85TB usable space). The RAID 0 I use for OS, applications and games while the RAID 5 I use as a more-permanent type storage (photos, etc). Now I do realize that running the OS and applications on RAID 0 across 5 drives is very dangerous, which is what brings up the following question. Is there a reliable freeware realtime backup application that can backup a set of folders from one drive to another drive (no online backups needed)? I've already tried a few (Mozy, Yadis, Comodo Backup, GFI Backup, Idoo, Crash Plan) but none meet my requirements: Low CPU and RAM usage. Realtime Backups - as soon as a file is modified in the source folder, it is added to the backup queue which will be processed with the lowest priority when the CPU is idle. This backup queue should persist in cases of computer restarts (ie: the source and destination folders should always have the same set of files, except for the ones waiting in the backup queue). Incremental Backups - if only 10 bytes changed in a 1GB file, the app should only copy those 10 new bytes. Ability to back up locked and opened files (some apps, like Yadis, can't back up critical files like browser favorites). Ability to run as a service (no need for any user to log-in to have the app started). Optional requirements: Compression of the destination into a well-known format (RAR, Zip) that can be directly read without the use of the application. Preset source folders (such as Browser Favorites, Game Saves, Application Settings, etc). The idea is to use RAID 0 array as "semi-persistent RAM-like" storage which in case of a failure can be quickly rebuilt by reinstalling the OS, apps and games and copying over the settings, saves, favorites from the RAID 5. I'm also thinking of taking this RAID 0 as RAM idea to the extreme with SSDs (as soon as we get some nice 6Gb/s SATA III SSDs out there), where a couple of SSDs chained in RAID 0 will work as yet another semi-persistent cache layer sitting between the RAM and the HD. I'm just hoping there already exists an application that satisfies these requirements... otherwise I'll have to write one myself, which I would prefer not to do.

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  • Lenovo R61i - audio not working with windows 7

    - by ann o connor
    Has any one got a solution to this problem. I have installed windows 7 pro and installed audio (coexant) latest driver from the lenovo web site but it still does not work. I have seen many similar posts but no solution - just the usual - do you have the most recent driver.... etc. Is there any one that has solved this problem out there? (Driver details: Audio Driver 2.57 MB Normal Version 4.98.5.50)

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  • Imagick Convert Append 2 pdf pages

    - by Hammad Khalid
    I am using the following code to make a single pdf file with multiple pages in one jpg file I am using Imagick library and PHP tcpdf convert -append path1.pdf path2.jpg Now what i need to do is to add a white space between each page to differentiate them from one another, or add text in between like Page 1, Page 2. Currently they come correct. But there is no space in between. Can anyone help me out

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  • why does and EBS volumes mounted in an Ubuntu 12.04 EC2 instance as /dev/sdh1 appear as /dev/xvdh1?

    - by Andres
    When mounting an EBS volume on ubuntu specified as /dev/sdh1 it actually mounts it at /dev/xvdh1. The aws console still thinks it's mounted at /dev/sdh1 so it took a while to realize that it was actually mounted, just in the wrong place I ran into this problem a long time ago using ubuntu on ec2. I just ran into it again https://forums.aws.amazon.com/post!reply.jspa?messageID=351382 and it seems like I'm not alone: https://forums.aws.amazon.com/thread.jspa?threadID=68957&tstart=0 I haven't found a good answer as to why this happens or how to fix it. Any ideas?

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  • Using numerous IP addresses in a browser in linux

    - by BHare
    I own a dedicated server than runs Debian Linux. I have 64 IP addresses configured on the machine. I am looking to open a page (just has to access it with lynx or anything to read) with one of the non-default 64 IP addresses, besides just the default one. How can I do this?

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  • What technologies allow bidirectional streaming of video?

    - by Roman
    Wikipedia says that Flash allows "bidirectional streaming of audio and video". Is it possible to do that with other technologies (for example with JavaScript)? In other words, I want to transfer video from one user of web-site to another one in real time. I want to have something that is already installed by many users or easy to install (Flash fulfills this requirements). And I want to have something free.

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  • Servers behind load balancer

    - by Tom
    We have a CISCO hardware load balancer with two web servers behind it. We'd like to force some URLs to only be served by one of the machines. Firstly, is the job of the load balancer? or would a better approach be create a subdomain such as http://assets.example.com which would be automatically be routed to one of the servers?

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  • After repairing permissions, Mac OS X won't boot

    - by Power-coder
    This morning I ran the Repair Permissions command from inside the Disk Utility. Ever since then my MacBook wont move past the splash screen when booting. I've revolted in verbose mode and I see that it is trying to repair the disk but then terminates with 'Unable to repair the volume'. Since then I have tried running the Disk Repair from the Snow Leopard install DVD and it quits with the same error. Is there a way I can repair this thing without reformatting and installing over again? How does something so simple as a permissions repair make the system unbootable like this?

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  • NIC disabled in AWS instance

    - by Elad Lachmi
    Nothing makes you feel dumber than disabling a NIC while in RDP, but here I am :) I have mounted the volume on another instance and tried editing the registry. I have tried enabling auto logon and using runonce to run a netsh command to enable the NIC, but that does not work. I read something about enabling the NIC through the registry directly, but have had no luck in doing this. Has anyone dealt with this type of issue? I'm going nuts! Thank you!

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  • how to check open ports of bunch of website at once with nmap/linux?

    - by austin powers
    hi , I want to use nmap in such a way that I could check bunch of server's port at once for checking whether their particular port is open or not? right now I have 10 ip addresses but in future this could be more . I know the very basic command in linux like cat/nano/piping but I don't know how can I feed to nmap the list of my servers to open them one by one and return the result.

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  • Splitting a drive which has layout as mirrored and type as dynamic

    - by shiva
    I have a C drive/volume in my server with layout = mirror and type =dynamic and status as healthy(boot,pagefile,crashdump). I have some questions regarding this configuration: I think it is a raid configuration.Please correct me if I am wrong. I read that, mirroring is nothing but raid-1 configuration. All my software and OS is in this drive. I want my software to be in a separate drive, but I am not sure if I can create a separate drive from the above mentioned c drive. I want to know: a. If I can do it and how ?(using disk management) b. If this is a right approach ?

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  • HDD Producing high pithched beep noise

    - by POTHEN
    Recently I had an upgrade on one of my PC I added a 512Mb Nvidia Graphic card and 500GB seagate 7200Rpm HDD, Now the new HDD is producing a high pitched squeek/beep i cant really tell and on reboot my XP sector 63 gets corrupted, so I get reboot error. I gave the HDD for replacement but the replaced one too makes the noice, yet the HDD does not produce sound on my gaming rig.

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  • Managing two internet connections in Windows XP, with different applications using different connections

    - by user932867535
    I have two internet connections, one has limited data but is fast, the other has unlimited data but is slow. What am trying to do is assign the unlimited data connection to the application which is downloading a large file, while surfing the net (using Firefox) with the other, faster connection. I tried connecting both connections, but every time I do that, all the applications just jump from the slower connection to the faster one. Is there any way in which I could achieve what I am looking for?

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  • Deploying website content via Subversion

    - by Johann
    we have recently set up a new development infrastructure and process for one of our clients. This involves the strict use of subversion as a central source code repository. The svn repositories contains a seperate branch for code on the live system (/branches/live/). The repositories are use for PHP content (mainly Wordpress Blogs), but in future they may hold other asp code as well. Bonus points for a solutions which more or less in the same way with ASP code on Windows Server 2008 R2. We have two servers: one staging system and one live system. The staging system is updated regularly with the code of the trunk. The live system is update manually. Each webroot on the servers are working copy of either the trunk (staging system) or the live branch (live system). The current workflow is: Developing on the dev's box - commit into the trunk - auto-deploy on staging system - testing on the staging system - merging into /branches/live/ - manual deployment on live system. This works for one-way changes very well, however we have some troubles on every wordpress (or plugin) update: The WP update process removes the directories and unpack the archive of the new version. This removes the svn admin area as well, which produces a lot of errors. We could switch to SVN 1.7 with a single, global admin area, but this would only solve on part of the problem. Finally, we have done the update via the WP Gui, restored the svn admin area, added/removed the files and committed the changes to the trunk. After testing, we had to do basically the same thing on the live server (except the commit, we just reverted the changes and merged the new files from the staging system to the live system). I'm currently thinking of the following: The htdocs of each website is a svn export Each website has a svn working copy beside the htdocs directory a script which "replays" the changes in the wc from htdocs after an update in WP (rsync'ing the changed files to the working copy, rsync'ing new files and svn add them and finally svn delete the deleted files). The script would have to exclude some files (like wp-config.php, uploads/temp directories, etc.). Are there better ways to do this? Unfortunaly, a complete CI server is out of scope due to time and budget limitations.

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  • openvpn restriction

    - by zubin71
    hi, ive set up an openvpn server at my place and handed out a certificate to a client who has an openvpn client at his place. however i require that he should be able to connect to the vpn server only from one ip(his current one). how can i do this?

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  • Why should I choose either PCL or PS when both are supported

    - by Goyuix
    Obviously the answer depends to some degree on the various versions supported, but in general terms - is there any reason I should pick one over the other? PCL for art and PS for text? Does one typically require less RAM on the printer? Speed differences? For home use it doesn't matter and only professional print people will notice and care? Wikipedia References: http://en.wikipedia.org/wiki/Printer_Command_Language http://en.wikipedia.org/wiki/PostScript

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