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  • Which Language Next? Python? Ruby? [closed]

    - by Ryan Craig
    I am a beginning Webmaster (relatively), with 2+ years of php experience. I also have some java training and a bit of .net. My company is now close to redeveloping the website that I work on, which is coded primarily in php, but has some poorly-written .net in part as well (it's confusing and ill-planned, but I didn't make any of those decisions. Can anyone say action-oriented .net and JScript?). So, I'm trying to decide which language I should learn next to quickly develop a new site. I will probably just redevelop it at first in php because I'm very comfortable with it. However, I'd like to migrate in the next year to something newer and more forward-thinking. This being said, .net is out of the question a little bit. We need cheap developers who are fast and can get pages up quickly. In this part of the country, part-time .net developers are hard to find. So, we need something that will be pretty standard in the next few years, but we have some .net SOAP 1.1 APIs that we use on our actual service (separate from the corporate website), that we will need to integrate part of the site with. Developing with php and SOAP is much more difficult than doing the same thing. So, I may have to develop the API collaborative part in .net just to be easy, and then I'd like to use something else that is fast, flexible, forward thinking, and will be relatively standard and easy to find developers for. So, any ideas? Python and Django? Ruby on Rails? Another framework? Thanks for your thoughts. Sorry, I know this was long, but it's all very convoluted and confusing so I needed to be slightly long-winded.

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  • Dead (nearly blank) laptop screen, secondary screen works - how to fix?

    - by LIttle Ancient Forest Kami
    My laptop screen is black while my secondary screen is fine. What I tried: setting brightness (Fn keys) - no effect, no change seen, also on secondary screen removing static electricity like suggested here - no effect restarting / charging battery, running on battery / "wall" power - no effect as well wait to see if warming it up helps - it doesn't follow official Ubuntu diagnostics - checking now... What I will try next: check last updates I've made IIRC I am running on nomodeset already, but can't recall how to verify this Further symptoms: can't see BIOS screen system loads and works fine, just screen has problems screen works (occasionally I could glimpse very dimly what was going on, but it was like with minimum brightness set - nearly non-distinguishable from just a black screen) Any ideas how to proceed best? What is most probable cause?

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  • No such file but the file is there!

    - by user288757
    I'm trying to compile a C++ file with some includes. My main file (well I didn't make it hdf5_getters includes a file which includes the file hdf5.h, also not my design but it's a downloaded library. Every time I try to compile it I get the error message that the file hdf5.h does not exist while it clearly does. I started reading on the internet and people say it can happen because it's a 32bit binary running on a 64bit architecture. But I'm running a 32bit Ubuntu so that can't be it... I'm out of ideas, if anyone can help me please :) This is the errormessage with commands: make hdf5_getters g++ -c -Wall -std=c++0x -O2 -c hdf5_getters.cc In file included from H5Cpp.h:20:0, from hdf5_getters.cc:34: H5Include.h:17:18: fatal error: hdf5.h: No such file or directory #include <hdf5.h> ^ compilation terminated. make: *** [hdf5_getters.o] Error 1

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  • XBMC using a lot of CPU when fullscreen

    - by hafichuk
    I'm just starting to try out XBMC (from the ubuntu repo) and noticed that it's using a lot of CPU when running fullscreen, even when I'm not playing a movie. There's a definite lag even on the home page with the scrolling footer. I've toggled the option to use it in windowed mode and it seems to be a lot more responsive. The footer lag seems to be gone. Does anyone know why this is happening? I would have thought that running fullscreen would have used less resources.

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  • "input not supported" at login screen after ati driver is installed

    - by squalo78
    I'm running ubuntu 11.10 and I installed the Ati driver from the oficial page. When i reboot, the grub and the splash screen are working (at lower resolution) but instead of the login screen, it shows "input not supported" message. If I use "Ctrl+Alt+ keypad +" I can see my login screen at 640x480 resolution and login. I don't know how to make login screen displays 1440x900@60, that is the resolution set on my session. I'm running Ubuntu 11.10 with ati hd4200 video card, a monitor acer aL1916w that supports the resolution 1440x900.

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  • Prevent product key from being used on multiple virtual machines

    - by Nahum Litvin
    I have a software product. it will probably run on VMs that have no network connection at all. I want the user to pay for each VM the user runs. I thought to ask the user for some kind of hardware ID and provide him with serial that is unique for his machine. But user can just copy the VM image and than have two machines running? So I thought of having a security dongle. But how can I prevent user from running two VM's on the same machine both connected to the same dongle? This should be only basic defense so that actual hacking will be required to breach the license and not only spinning one more VM.

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  • ubuntu 11.10 on MacBookPro 7,1 can only see one cpu

    - by gozzilli
    On a MacBookPro 7,1 running ubuntu 11.10, System monitor only sees 1 core (instead of 2). cat /proc/cpuinfo | grep 'cpu cores' also gives: cpu cores : 1 I followed this guide and added acpi_apic_instance=2 to the line with GRUB_CMDLINE_LINUX_DEFAULT, but that doesn't seem to change the situation. What can I do? I'm using rEFIt, installed under MacOS, and running in dual boot with MacOS. After the rEFIT menu, I'm still presented with the GRUB menu (I'm assuming that's normal). I saw similar posts on this matter, but could not fix my problem with what they suggested. Any help appreciated. Thanks!

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  • Not enough space left in the hard drive. How to proceed?

    - by jimbobjgr
    Where do I begin... I can hardly do anything on Ubuntu 12.04. I am very close to removing and returning to Windows. First I could not load it because the graphics appeared to be running low but somehow that stopped happening and I could log on. Now I can not download anything or I get this message Cannot write: No space left on device. I tried trouble shooting this issue but every time I try and fix the problem I am blocked by this message E: Write error - write (28: No space left on device) E: Can't mmap an empty file E: Failed to truncate file - ftruncate (9: Bad file descriptor) E: The package lists or status file could not be parsed or opened. $ OLD=$(ls -tr /boot/vmlinuz-* | head -n -2 | cut -d- -f2- | awk '{print "linux-image-" $0}') Ubuntu is also running incredibly slow and I cant get anything done! Please help this is driving me mad!

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  • How to build the SQL community

    - by simonsabin
    I’ve been running SQLBits for 5 years and have always had a desire to make the SQL community better. I’ve often thought about running for the board but have never stood up Just over a year ago I was at a meeting with some SQL leaders about growing PASS globally. At that meeting a friend of offered to help the board from an international perspective. I thought he was mad. James runs his own business, has been managing the sponsors for SQLBits and has 3 kids to look after, no way would he have the...(read more)

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  • youtube video playing without sound when downloaded?

    - by On a serious note
    I have been looking for this since a long long time. I have downloaded a few videos from you-tube using IDM(all mp4). When I opened the video in VLC media player,a black screen appeared and started flickering.The video just does not start. What all I things I did-: updated my VLC Reinstalled my VLC downloaded another media player(wondershare--very very beautiful i must say).It played the video but audio was missing. converted mp4 to flv and then played in both players,still no sound. Its very frustrating as I want to complete my tutorial series asap.FLV works well,but mp4s fall flat. What should I do?

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  • Edubuntu - Java Iced Tea and Carnegie Learning

    - by user95864
    I've recently built a computer lab running various forms of Ubuntu. I'm testing out Edubuntu to see if it is a better fit for our school, but I'm running up against a problem I can't resolve. One of the programs we use is Carnegie Learning Online, a Java program that I've managed to get working on both Ubuntu 10.04 and 12.04. After updating Java (all distros), when you access the website a .tt applet file is downloaded. With Java installed you can select the IcedTea plugin to open it. On 10.04/12.04, this then opens a new window, Java runs a setup of some sort, and then a new window with the Carnegie program opens. On Edubuntu however, once you've told IcedTea to run it....nothing happens. No errors, just nothing. I've tried this with an older update of Java as well as the newest. Any ideas?

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  • System response times --- A good Service Level Agreement?

    - by mpeterson
    In order to view system performance, I have been asked by management to give page response times for a few key pages. I want to make sure I am giving a good picture of the overall health of the system, and not just narrowing in on a single measurement. So my question is: When developing software, what metrics would you provide to your stakeholders to indicate a system that is healthy and running well? (if it is not running well, that should also be evident! Not trying to hide/obscure any problems.)

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  • Accessing network shares through ASP.Net

    - by jkrebsbach
    In my impersonation enabled web site I needed to access files on a network share.  Running locally, everything worked fine. After deploying out to the dev server and hitting the web site from my PC, things fell apart. With impersonation enabled, we can access files on the server itself, but a network share is another story.  Accessing a share on another server, we encounter the infamous "double hop" situation, were the credentials have already been digested on the web server and are not available for the file server. We need to either expose the shared files to the identity IIS is running under, or create a new impersonation context.

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  • Is there supposed to be a Windows Network folder in the file manager?

    - by Cindy
    I pulled my hard drive out of my computer and started with a bootable usb version of Ubuntu, which I am using that at this point. At first boot, I see that there is a Windows folder when browsing network. Since there is no operating system present, besides the usb that I boot from, should there be a Windows network folder? Original question First of all I just want to say, I wish I had tried Ubuntu a couple years ago when I first heard about it, but I was like a lot of the population and went with the "easy way" and stuck with Windows because I didn't want to take the time to learn something new. Well, about 3 months ago I realized someone had hacked into my computer, and then found they had hacked my facebook account so I decided I had better do a complete credit check. I found student loans (totalling about 30,000 so far) had recently showed up on my credit report. I think it's going to be a long, long road to recovery now but I'm hoping Ubuntu will be a start and definitely an eye opener. My relationship with Windows is over. I had 3 antivirus programs running, none were protecting me like I thought they were. Turned out a free program that I downloaded was the only one that could detect and clean the virus, but by then it was too late. Anyhow, my question is, I pulled my hard drive out of my computer and started with a bootable usb version of Ubuntu, which I am using that at this point. At first boot, I see that there is a Windows folder when browsing network. Since there is no operating system present, besides the usb that I boot from, should there be a Windows network folder? I am using a local ISP (and won't be much longer because I am very paranoid at this point) and I want to make sure all is ok before I put my new hard drive in and install Ubuntu. Any help would be appreciated. Also, I want to thank Ubuntu and the community for giving people an alternative.

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  • Weird execution of ruby/git executables in Windows [migrated]

    - by Frexuz
    Something strange has happened. I can't run some command line executables in Windows anymore. Steps: Open cmd Run an executable, such as ruby -v or git -h When I do that, a new command prompt opens, running that command (I think, it's too fast to see), and instantly closes again. I've managed to print screen the new command prompt, and it shows that it's running inside this path: C:\Documents and Settings\Administrator\Local Settings\Temp\3582-490 Inside this folder, is the executable I'm tring to run. If I run ruby, then ruby.exe is in there. If I run git, then git.exe is in there. And it's always emptying the folder in between, so there is always just one .exe file

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  • tools to check password security

    - by tombull89
    Hello again. I'm after a tool to test how long a password could stand up to a hacking/cracking technique such as brute force as two passwords that are critical to a work system is one word that is in the dictionary, and another is a word in the dictionary with a capital letter and a number instead of a letter. I'd prefer it to be offline and free that you can run on a computer to see how long the password will hold out. Maybe even at the windows login prompt but I realise such programmes may be shady and erring on the side of illegal. Anybody have any suggestions?

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  • Getting error message when trying to start a virtual machine

    - by Sunil J
    I have been using VMWare on Windows for a long time. But after a long wait, I moved to VirtualBox on Ubuntu 11.10. I installed Ubuntu, 32 Bit, installed all available updates and installed Virtual Box. When I try to create a new Windows installation inside VirtualBox, I got the following error messages. 1st error dialogue VirtualBox - Error Failed to open a session for the virtual machine Windows XP.<br> The virtual machine '**Windows XP**' has terminated unexpectedly during startup with exit code 1.<p> Details<p> Result Code: <br> NS_ERROR_FAILURE (0x80004005)<br> Component: <br> Machine<br> Interface: <br> IMachine {5eaa9319-62fc-4b0a-843c-0cb1940f8a91}<p> 2nd error dialogue **Virtualbox - Error in suplibOsinit**<br> **Kernal driver not installed (rc--1908)**<br> Please install the virtualbox-dkmbs package and execute 'modprobe vboxdrv' as root.<p> Steps I tried I have already tried reinstalling VirtualBox. Google result seem to indicate the the problem happens due to Kernel updates. Is there anyway I can get this working? I need this for malware analysis and if VirtualBox is going to crash on me all the time, then I won't be able to use Ubuntu for work. Output to dpkg -l | grep virtual server rc virtualbox 4.1.2-dfsg-1ubuntu1 x86 virtualization solution - base binaries rc virtualbox-qt 4.1.2-dfsg-1ubuntu1 x86 virtualization solution - Qt based user interface cute 'modprobe vboxdrv' as root.<p>

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  • Configure session length with htaccess

    - by brianpartridge
    My home web server is running the stock OSX Apache 2 install. I have some directories with content that I want to secure, so I setup htaccess files for those areas. However, I find it annoying to have to login to those areas as frequently as I do. Once I'm logged in I'd like to not have to login again for a long time, similar to setting a long time in a cookie. But, I'd like to increase the life time of the authenticated session with htaccess. I've googled but haven't found what I'm looking for, maybe because I'm looking for the wrong term. I want to configure the 'session length', 'session timeout', 'time limit', or 'expiration' for users authenticated via htaccess. Any thoughts?

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  • How do I change local display resolution via SSH?

    - by krumble1
    I have a machine running Ubuntu Server 12.04 LTS and I'm having problems with the local monitor. The Dell flat panel I'm using only displays this message while the computer running: "Cannot Display This Video Mode" and then the information: "Optimum resolution 1280x1024 60Hz". I'm fairly new to using an operating system wholly via command line but I'm learning fast. :) I can access the server fine via SSH so using it is not a problem. However, for where it is positioned at the moment, it would be much more convenient to use the computer locally. I'm just wondering how to change the local screen resolution via SSH to something usable by my monitor. Thanks for your time! BTW: I have also tried switching displays and I still have the same problem. Also BTW: I tried putting in the xrandr command and all I get back is: Can't open display

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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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  • /dev/sda1 100% Mysql to blame?

    - by SJP
    I have a an API running that receives raw binaries, processes them, and then stores metadata about the bins in a mysql database. I have been running it for a couple days on a VM. Today the API stopped processing the mySQL commands. After using the command df-h the results were: root@mwdb1:/# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 104G 99G 0 100% / udev 16G 4.0K 16G 1% /dev tmpfs 6.3G 364K 6.3G 1% /run none 5.0M 0 5.0M 0% /run/lock none 16G 0 16G 0% /run/shm /dev/sdb1 5.5T 42G 5.2T 1% /data sda1 is at 100%

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  • Managed servers getting down regularly by Node Manager. WAD?

    - by csoto
    Recently I have been working on a service request where several instances were running, and several technologies were being used, including SOA, BAM, BPEL and others. At a first glance, this may seem to be a Node Manager problem. But on this situation, the problem was at JMS - Persistent Store level. Node Manager can automatically restart Managed Servers that have the "failed" health state, or have shut down unexpectedly due to a system crash or reboot. As a matter of fact, from the provided log files it was clear that the instance was becoming unhealthy because of a persist6ent Store problem. So finally, the problem here was not with Node Manager as it was working as designed, and the restart was being caused by the Persistent Store. After this Persistent Store problem was fixed, everuthing went fine. This particular issue that I worked was on an Exalogic machine, but note that this may happen on any hardware running Weblogic.

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  • Is it possible to start an additional X server after the system boots in 12.04?

    - by jackweirdy
    I'd like to have 2 VT's running, one on VT7 with the standard lightdm + unity interface and another on VT8 running a custom script which will launch a virtual machine in full screen. At the moment I've tried writing an init.d script with no luck and I can't find any details on a configuration file which will allow me to start 2 servers. I suppose my ideal answer would be one which points me to a config file I can edit to start up an additional server. Edit - I forgot to mention in the text that I already know how to start another X session: I'd like this to start automatically at boot.

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  • USB keyboard does not load after 13.10 upgrade

    - by Paul
    Problem: Running kernel 3.11.0-12-generic after a Ubuntu upgrade from 13.04 to 13.10 my USB keyboard is not recognised, thus I am not able to unlock my encrypted disk. I suspect it might be related to a minimal/incorrect install of initrd. Question: How do I go about getting the newest kernel to recognise my generic USB keyboard, allowing me to unlock my encrypted disk? What I have tried: I have already re-installed the newest kernel: sudo apt-get install --reinstall linux-image-generic linux-image and I have also updated the initrd: update-initramfs -c -k 3.11.0-12-generic Back story: I just completed upgrading my Ubuntu system from 13.04 to 13.10. When I subsequently rebooted by system I was no longer able to enter my encryption password (passphrase) as the keyboard drivers did not load. Temporary workaround: Earlier in the boot process (before the keyboard stops working) I was able to enter GRUB menu were I choose to boot from an older kernel (3.8.0-31-generic) which did load the USB keyboard drivers. This is currently the kernel I am running. Thanks

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  • So my employer wants me to do less programming and focus on IT support

    - by Rich
    I was hired into a non tech company's IT department as a programmer a few years back, and after several rounds of lay offs, we're down to a skeleton crew. I've saved the company hundreds of thousands of dollars with my projects and management has been happy with them (although most of the stakeholders have since left the company). Management now wants me to limit the programming that I do and spend most of my time on IT support: putting out fires, dealing with vendors, outsourced contractors, supporting company systems, managing projects, etc. I am a little burnt out on programming since I've been pushed pretty hard for the past several years. However, I'm not sure if this is a good career move in the long run. I'm a decent programmer (and also good with databases) but not obsessed with it to the point of coding outside of work. I'm approaching my mid 30s and there's potential ageism to deal with down the line. While I'm fortunate to have survived the lay offs, it sorta feels like my job is being "dumbed down". I have both good technical skills and people skills...but it doesn't take a genius to do what I'm doing now. And my success is being increasingly linked to others' performance rather than my own... Just looking for some advice. Is it time to move on? That's not really an easy thing to do since I'd likely have to move to another area to find another comparable tech job. Should I go after another pure technical role? Or should I stay and try to make this work? People say do what you "enjoy" but it doesn't really matter to me as long as I'm getting paid. Also the ageism thing is on the horizon and could be an issue eventually. I'm making a decent (but not great) salary. Should I chase money and maximize my income while I still have a chance? Or be happy with a moderate salary and 40 hour work week?

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