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• HFS partition mounting read-only

  - by Sid

  Hey, I have an external Western Digital Hard drive with two HFS partitions with journaling disabled. When I connect it to a computer running Linux (Debian or Ubuntu), frequently both partitions are mounted read-only. In the past, mounting them on my Macbook and executing the command to disable the journaling often worked (even though it would tell me that journaling was already disabled) but I would love to have a solution which works every time. Thanks! Edit: In light of Chris Johnsen's comment below - my question is how to mount the filesystem read+write on Linux since it is not automatically doing so itself

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• how to setup a public dns server?

  - by Zhenyu Li

  I just installed powerdns, and I added the record example.com A 120 1.2.3.4 and I used dig to see if it works, and it works. dig @localhost example.com and it will show the correct ip address : 1.2.3.4 My question is how to use this dns server in the public, so that my domain example.com to be dig without the @localhost? I will need the ns1.example.com ns2.example.com to be pointed to my 2 powerdns server ip, and I need to use my dns server to set the ns1.example.com, ns2.example.com, so that my other products could also setup ns1.example.com as their dns server, so how to do this?Edit

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• Will Windows 7 setup overwrite Windows 8 and Ubuntu boot records?

  - by Jens

  I have Windows 8 and Ubuntu installed, both an the same physical hd (2 partitions). Windows 8 was installed after a format, Ubuntu afterwards. I used EasyBCD to setup the boot records and the boot menu order. I want to install Windows 7 as a third operating system and just add its boot record with EasyBCD. Will there be any unwanted behavior when I install it on a third partition? I already have 100 GB of unallocated space on the disk, though have not yet made the partition. I red on this site that I should install the oldest OS first, but than I would have to do a format and start again from scratch (which I clearly do not want to do). edit: On this site, the opposite is claimed, saying it's also possible to install Windows 7 after Windows 8. However, it will restore a Windows 7 boot menu instead one of Windows 8.

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• Massive 404 attack with non existent URLs. How to prevent this?

  - by tattvamasi

  The problem is a whole load of 404 errors, as reported by Google Webmaster Tools, with pages and queries that have never been there. One of them is viewtopic.php, and I've also noticed a scary number of attempts to check if the site is a WordPress site (wp_admin) and for the cPanel login. I block TRACE already, and the server is equipped with some defense against scanning/hacking. However, this doesn't seem to stop. The referrer is, according to Google Webmaster, totally.me. I have looked for a solution to stop this, because it isn't certainly good for the poor real actual users, let alone the SEO concerns. I am using the Perishable Press mini black list (found here), a standard referrer blocker (for porn, herbal, casino sites), and even some software to protect the site (XSS blocking, SQL injection, etc). The server is using other measures as well, so one would assume that the site is safe (hopefully), but it isn't ending. Does anybody else have the same problem, or am I the only one seeing this? Is it what I think, i.e., some sort of attack? Is there a way to fix it, or better, prevent this useless resource waste? EDIT I've never used the question to thank for the answers, and hope this can be done. Thank you all for your insightful replies, which helped me to find my way out of this. I have followed everyone's suggestions and implemented the following: a honeypot a script that listens to suspect urls in the 404 page and sends me an email with user agent/ip, while returning a standard 404 header a script that rewards legitimate users, in the same 404 custom page, in case they end up clicking on one of those urls. In less than 24 hours I have been able to isolate some suspect IPs, all listed in Spamhaus. All the IPs logged so far belong to spam VPS hosting companies. Thank you all again, I would have accepted all answers if I could.

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• route to vpn based on destination

  - by inquam

  I have a VPN connection on a Windows 7 machine. It's set up to connect to a server in US. Is it possible, and if so how, to setup so that .com destinations uses the vpn interface and .se destinations uses the "normal" connection? Edit (clarification): This is for outbound connections. I.e. the machine conencts to a server on foo.com and uses the VPN and the machine connects to bar.se and uses the "normal" interface. Let's say foo.com has an IP filter that ensures users are located in USA, if I go through the VPN I get a US ip and everything is fine. But tif all traffic goes this way the bar.se server that has a IP filter ensuring users are in Sweden will complain. So I want to route the traffic depending on server location. US servers through VPN and others through the normal interface.

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• Why can I not access any file or directory created by PHP from FTP-client?

  - by user43053

  Hello there, If I create a directory with mkdir(), or create a file with fopen(), file_put_contents() or SimpleXMLElement::asXML(), I am unable to access the file with my FTP-client or c-Panel File Manager. If I try to delete or edit them, I get errors. Dreamweaver suggests it is a permission problem or a network or filesystem fault (but I've set the permissions with chmod() to 0777, and when I check the cPanel, it confirms chmod 777. I also tried to use fileowner() and the function returns int(99), the same owner as those files that I could access with my FTP-client. It seems files and directories created with PHP can only be modified or be deleted with PHP. I thought this must be a server setup related issue, so I write it here. I am on a shared server, and I have no idea about setting up servers. Thank you for your time. Kind regards Marius

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• Photoshop changes colors when moved to a different monitor

  - by Jason

  This Yahoo! answers question pretty much sums up my predicament. Unfortunately I haven't really found an actual answer. Here's a screen shot of what happens when I place Photoshop between my monitors. Imagine that the left side of my laptop is the right square and the yellow is the right side of my monitor. When I move the program to one side fully or the other, it takes on the corresponding color. Obviously the color on the right is correct and Photoshop is changing the color of the image when it moves to my external monitor. Also notice how none of the tools or anything are different colors, just the actual image itself. How do I fix this? EDIT You may also notice that the color palette in the left corner is showing that yellow tinge. I didn't actually pick that yellow color, it's supposed to be showing the grey on the left that I used to fill in the square.

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• How can I make VNC faster?

  - by NickAldwin

  I need to remotely access and use my work computer a few times a week. I want to use VNC because of the price. I've used VNC before, mostly on my own network, where it's fast. However, VNC over the internet is incredibly slow. Even at 256 colors and lower, with Aero turned off, it is unbearably slow. I recently used Ammyy Admin to connect to do something requiring a quick reaction time. Ammyy was really fast, with almost no lag, and it was running in full color with Aero on! How can I make VNC faster, like Ammyy is? I'd use Ammyy, but I would probably run into the 15hr/month limit pretty quickly. Any suggestions? [EDIT] I'm currently using UltraVNC.

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• issues with ASUS S301L ultrabooks

  - by Wuerze

  I just like to tell you what still is a Problem in Ubuntu 14.04 and should be solved for a nice experience of this distribution. Unfortunately I do not have any hints to tell you, because I am just a user and know not much about programming. Anyway, I hope it helps. 1) Intel open source Graphics issues (proprietary) -when attaching HDMI-cable the screen switches to the external monitor and it's fine, but there is no switching back unless restart with HDMI deattached -black screen appears for like 2 seconds as if I would change screen in the settings; frequency increases with intensity of driver use (i.e. videos or video games) 2) hotkeys (commonly recognised) -there is no possibility to adjust brightness with the hotkeys (Fn+F5 and Fn+F6) 3) touchscreen (commonly recognised) -the touchscreen is behaving like a mouse -configuring gestures for the multi touch screen seems to always end in disabling touch pad gestures 4) panel symbols -battery symbol has got a low accuracy while it determines accurately the energy left; only 5 steps of energy are shown by the symbol Thank you all for participating in the solution of these problems! I will stay tuned and edit this list if something has been solved.

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• How can I make VNC faster?

  - by NickAldwin

  I need to remotely access and use my work computer a few times a week. I want to use VNC because of the price. I've used VNC before, mostly on my own network, where it's fast. However, VNC over the internet is incredibly slow. Even at 256 colors and lower, with Aero turned off, it is unbearably slow. I recently used Ammyy Admin to connect to do something requiring a quick reaction time. Ammyy was really fast, with almost no lag, and it was running in full color with Aero on! How can I make VNC faster, like Ammyy is? I'd use Ammyy, but I would probably run into the 15hr/month limit pretty quickly. Any suggestions? [EDIT] I'm currently using UltraVNC.

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• Matlab: Why is '1' + 1 == 50? [migrated]

  - by phi

  Matlab has weak dynamic typing, which is what causes this weird behaviour. What I do not understand is what exactly happens, as this result really surprises me. Edit: To clarify, what I'm describing is clearly a result of Matlab storing chars in ASCII-format, which was also mentioned in the comments. I'm more interested in the way Matlab handles its variables, and specifically, how and when it assigns a type/tag to the values. Thanks. '1' is a 1-by-1 matrix of chars in matlab and '123' is a 1-by-3 matrix of chars. As expected, 1 returns a 1-by-1 double. Now if I enter '1' + 1 I get 50 as a 1-by-1 double, and if I enter '123' + 1 I get a 1-by-3 double [ 50 51 52 ] Furthermore, if I type 'a' + 1 the result is 98 in a 1-by-1 double. I assume this has to do with how Matlab stores char-variables in ascii form, but how exactly is it handling these? Are the data actually unityped and tagged, or how does it work? Thanks.

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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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• Downloading source via bazaar

  - by beanaroo

  Forgive me if this is a stupid question or an inapproptiate place to ask. This is my first time attempting to download source by means of bazaar (launchpad). Regardless of the package or branch... I always get an error like the following: bzr: ERROR: Revision {[email protected]} not present in "Graph(StackedParentsProvider(bzrlib.repository._LazyListJoin(([CachingParentsProvider(None)], []))))". I have looked all over and cannot find an answer. What does this mean? How can I resolve it? Many thanks. ---edit--- Ubuntu 12.10 running BZR-2.6.0Commands include but are not limited to: bzr branch lp:ubuntu/quantal-proposed/ubiquity bzr branch lp:ubuntu/quantal/ubiquity bzr branch lp:ubuntu/quantal/ubiquity-slideshow-ubuntu bzr branch lp:nano (just to test) bzr branch lp:ubuntu/quantal/transmission (just to test)

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• What are good and bad jitter times for a LAN

  - by garyb32234234

  Ive just ran jperf (frontend to iperf) on our network between 2 workstations, its recorded jitter between 0.033ms and 0.048ms. Is this good or bad? Are there more variables that i would need to consider to make the decision? EDIT: TCP/IP Ethernet LAN 43 PCs 1 server, 100Mbits main switch, various small 8 port switches, test was done using UDP, Its a Windows Domain. I want to instal a few voip softphones on the workstations, see how many i can use that reliably work, im testing a few different workstations around the network to see where the best quality network paths are. Will also change some equipment if i identify bad connections.

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• Trying to get a new user up on pfSense IPSec VPN; Config file import failed, now getting gateway err

  - by Chris

  Caveat: I am not a sysadmin, so please forgive the n00bness of the query. We have a new user and I'm trying to get them up on VPN. We use pfsense as an IPSEC endpoint. This person is using Shrewsoft for the client. I had created an entry in pfsense for them and then edited a previous user's config file. Shrewsoft didn't import the config file very well and I had to hand edit the information. Now we are getting gateway errors. One thing I've noticed is that there is a different between the values of the preshared key stored on the firewall and the psk stored in the config file. I assume it has something to do with a hash, but I've no idea if that's the case and whether that might be what's causing the problem. Any suggestions greatly appreciated! Tangentially, is there some software used to generate these config files?

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• Best way to reformat/recover in Windows when your CD key is no longer valid?

  - by CSarnia

  I have a copy of Windows 7 Professional that I have downloaded from the MSDN e-academy (thanks to my school). Now, the problem is that these license keys are one-use only. If I need to reformat or do a factory reset, what is the best way for me to do so, without invalidating my license and screwing me out of an operating system? Edit: I would also like to know some information on the "restore to factory settings" option in Windows 7 recovery center. Does it do exactly as the name implies and starts you off as if you had just done a fresh install? If I had some kind of nasty trojan or virus, would it be able to survive through the factory reset? The recovery center also has an option for reformatting, though I don't think that it's an actual format - it just backs up your stuff into a Windows.old folder or something like that. Does that require a valid license key?

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

  - by chris

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

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• What can I do to configure my SSH such that it pauses for a flaky connection?

  - by kfmfe04

  I run ssh from OSX to a Ubuntu box - under home WIFI, everything works perfectly. However, when I ssh from certain external networks, ssh may be working fine for a minute or two and then drop due to a flaky network (diagnosed by pinging 8.8.8.8). How can I set up ssh so that it simply waits/pauses rather than drop (when dropping, I have to setup my development environment from scratch - a big hassle). EDIT When I say a bad connection, I mean, for example, ping 8.8.8.8 will work fine for a while, and then fail for 40-50 pings, and then come back on again.

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• Will I be able to get programming interviews at good software companies with a non-CS degree?

  - by friend

  I'll be graduating in a year, but I'll have a degree in Economics. I'm pretty much done with my Economics coursework, and by the time next year comes around I will have devoted 1.5 years to learning CS. I will have almost finished the requirements to graduate with a degree in CS, but unfortunately my school requires a science series that would add another 6-9 months of study if I were to try and get the degree (not to mention a max unit cap). I have or will have taken: Objected Oriented Programming Discrete Math Data structures Calculus through multivariable (doubt this matters at all) Linear Algebra (same) Computer Organization Operating Systems Computational Statistics (many data mining projects in R) Parallel Programming Programming Languages Databases Algorithms Compilers Artificial Intelligence I've done well in the ones I've taken, and I hope to do well in the rest, but will that matter if I can't say to the HR people that I have a CS degree? I'd be happy to get an internship at first too, so should I just apply as if I'm an intern and not looking for fulltime, and then try and parlay that into something? Sidenote if you have time -- Is a computer networks or theory of computation class important? Would it be worth taking either of those in lieu of a class on my list? edit -- I know this isn't AskReddit or College Confidential; I know there will be some outrage at posting a question like this. I'm merely looking for insight into a situation that I've been struggling with, and I think this is the absolute best place to find an answer to this question. Thanks.

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• Why OpenDialog.py don't work on Jotty application

  - by venerable13

  I'm a Python beginner, I installed quickly, I wrote a "quickly tutorial" in terminal and I did all the steps before at: "However, the application is not complete. There are a few things left for you to do:" All the next steps aren't finished yet because when I use open dialog and select one of the files saved, the content of the file isn't showed on "textview1", Why? Only is deleted the content written. Before if was used without dialog works great. SaveDialog.py work great. -def on_mnu_new_activate(self, widget, data=None) don't work neither. -If I use the bold lines by the others don't work. ###def open_file(self, widget, data=None): def on_mnu_open_activate(self, widget, data=None): ###def save_file(self, widget, data=None): def on_mnu_save_activate(self, widget, data=None): To view the code, go to the link above, unrar the archive, install "quickly" if you don't have it yet, place inside on jotty directory, then put "quickly run", "quickly edit", "quickly design", depending what do you want to do. Code - problematic code with OpenDialog implemented. Code-part1 - works OK, but without OpenDialog. I need principally that OpenDialog function work great.

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• Active Directory: Find out which users belong to a Group Policy Object

  - by gentlesea

  Hi, I want to make sure that certain users are available in a group from the windows domain. I installed "Group Policy Management" and can open the Forest, the Domain. But then I am not sure what I am searching. I can select a link to a Group Policy Object (GPO). In Settings i see the Drive Maps and I know them. But how can I display a list of users that use this GPO? Right-click, Edit... is disabled. net group my_gpo does not work since I am not on a Windows Domain Controller. Any possibility to find out anyway?

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• Internet connection sharing windows server 2008 R2

  - by This is it

  I have one windows server 2008 r2, and that server has 4 network interfaces (3 private, 1 internet connection). I would like to share internet connection with other 3 networks. Windows server firewall should make logs of data that is transfered. It should not be possible to connect directly to private networks from internet. How could I do it? Edit: I tried with NAT in RRAS, but it doesn't work. Here is the configuration: Server: IP private:192.168.0.1 IP public: xx.xx.xx.xx client IP:192.168.0.2 Default gateway: 192.168.0.1 Public and private interface added in NAT section of RRAS.

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• Hide directory contents from showing when accessing the URL directly

  - by SoLoGHoST

  On my site, if you browse to http://example.com/images/ the contents of the entire directory are shown like so: How can I make it so that this doesn't show up when people browse directly to http://example.com/images/? Can I create an .htaccess file in that directory? Or is there a better way? I really don't want people being able to do this for the entire site (i.e. every directory on that site). What can I do to prevent this? I figure it's either something that has to be done in Apache or using an global .htaccess file and placing it in the public_html folder perhaps? EDIT I diverted this using an index.php file, but I still feel that security is an issue here, how can I fix this permanently?

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• ubuntu 12.04 installer does not recognize drive partitions

  - by endless forms

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

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• How do I implement deceleration for the player character?

  - by tesselode

  Using delta time with addition and subtraction is easy. player.speed += 100 * dt However, multiplication and division complicate things a bit. For example, let's say I want the player to double his speed every second. player.speed = player.speed * 2 * dt I can't do this because it'll slow down the player (unless delta time is really high). Division is the same way, except it'll speed things way up. How can I handle multiplication and division with delta time? Edit: it looks like my question has confused everyone. I really just wanted to be able to implement deceleration without this horrible mass of code: else if speed > 0 then speed = speed - 20 * dt if speed < 0 then speed = 0 end end if speed < 0 then speed = speed + 20 * dt if speed > 0 then speed = 0 end end end Because that's way bigger than it needs to be. So far a better solution seems to be: speed = speed - speed * whatever_number * dt

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