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• Network Manager Applet menu freezes and does not respond

  - by pst007x

  Since the latest update in Ubuntu 10.10, the nm-applet has started doing some strange things. I boot up the PC, all is fine, internet works, etc... but after a period of time, approx and hour, the nm-applet menu in the Gnome panel fails to respond. when I click on the icon, the menu appears, all looks well, but when I select any option, eg DISCONNECT, nothing happens. Even the VPN sub menu disappears (no triangle to select the menu.) However I do not lose the network connection... If I Run this script: killall nm-applet /etc/init.d/NetworkManager restart nm-applet all returns as normal, for a while... weird? i tried uninstall/reinstall... I even reinstalled Ubuntu, but once the latest updates are applied this issues arises... Any help?

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• Resetting network adapter?

  - by Quixo

  I'm running Ubuntu 12.04. I get a strong wireless signal throughout my house, and the wireless symbol in the upper-right-hand corner shows that it's connected. The problem is, occasionally I am unable to access the internet (still having a strong symbol). This happened with Windows 7, too, but running the network troubleshooter fixed it each time. It claimed to be "resetting the network adapter". So, what I need to know is: How do I replicate that process on Ubuntu? Thanks for your help!

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• Nginx and Google Appengine Reverse Proxy Security

  - by jmq

  The scenario is that I have a Google compute node running Nginx as a reverse proxy to the google appengine. The appengine is used to service REST calls from an single page application (SPA). HTTPS is used to the Nginx front end from the Internet. Do I also need to make the traffic from the Nginx reverse proxy to the appengine secure by turning on HTTPS on the appengine? I would like to avoid the overhead of HTTPS between the proxy and the backend. My thinking was that once the traffic has arrived at Nginx encrypted, decrypted in Nginx, and then sent via the reverse proxy inside of Google's infrastructure it would be secure. Is it safe in this case to not use HTTPS?

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• Webhosting for a TV channel with streaming video

  - by Murtez

  Hi guys, I'm making a website for a web based TV channel, so I'm assuming it will be heavy on bandwidth usage, but I'm no good at calculating bandwidth. Couple of questions: Assuming the site streams HD video 24 / 7 to 1000 people, how much bandwidth is that? Where should something like this be hosted? The channel will have a fiber internet optic connection, but I don't know the limit on their bandwidth, would it be better to get their own server or host online? In either case in question 2, any recommendations? I'm usually a regular web designer for minor businesses, so this is a new level. Your help is appreciated.

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• Use MD5 to validate the exchanged files between Oracle and Customer

  - by Jie Chen

  Oracle Supports may ask customers to upload some data files (Database Dump, Trace Log, etc) for research. We often see the scenario that the uploaded huge files are corrupted and have to ask to re-upload. Then we may waste much time during this period. To avoid this, customers can tell Support the MD5 checksum of the upload files, requesting support to validate same if they have gotten the correct file in good format. MD5 on Linux We can use "md5sum" command directly. For example we calculate the file PrintManager.class MD5 checksum value. [jijichen@jclinux temp]$ md5sum PrintManager.class e0bf8c7623240ccd15ee17c0478427a1 PrintManager.class MD5 on Windows There are many freeware to calculate MD5 on internet. For example we can use WinMD5Free tool. You can download it from here. http://www.winmd5.com https://blogs.oracle.com/jiechen/resource/2013/winmd5free.zip

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• AWS EC2 Oracle RDB connection to Oracle Database Instance

  - by llaszews

  Provisioning my Oracle database instance to AWS EC2 RDB was easy. Just a few clicks! However, getting my connection to my Oracle cloud database was not as easy. A couple things that are not obvious (using Oracle SQL Developer): 1. Need to set up a database security group. 2. Need to use end point for the host name. This video is the best one on the internet to explain both points: http://www.youtube.com/watch?v=ocFURuX0eEw

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• wireless connection will not authenticate with verizon adsl router

  - by eric

  hello, i have ubunto 10.10 running on an old dell xps system. when i set it up i had internet through my home wifi router on my cable modem. now the dell is at another home with an ADSL wifi router from verizon. we have entered the ssid and wep key as given from the adsl router. the other windows computers connect with the wep key and automatic detection. the ubuntu dell detects the connection but does not autenticate, keeps asking for wep key. i have tried diferent settings regarding wep, wpa, wep with hex and asci, still no results. what am i doing wrong? help please. thanks.

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• La qualité de la recherche en ligne est-elle subjective ? Bing serait meilleur que Google d'après Search Engine Land

  La qualité de la recherche en ligne est-elle subjective ? Bing serait meilleur que Google d'après Search Engine Land Un manager marketing travaillant pour Search Engine Land, Conrad Saam, a lancé vingt recherches sur Bing et sur Google. A chaque fois, il envoyait des requêtes évitant les demandes les plus simples (comme trouver le site Internet d'une grosse société par exemple) et mélangeant plusieurs mots. Il a ainsi demandé aux deux moteurs de recherche de lui trouver des occurrences pour "l'avocat Tom Brady". Google s'est trompé sur l'un des résultats en proposant une page sur un célèbre quarterback du même nom. Suite à cela, l'homme a personnellement jugé de la qualité des réponses obtenues. Pour lui, Bing était meill...

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• Not able to connect huawei ec1561

  - by Nixon Babu

  I have a huawei ec1561 broadband data card, ISP-MTS India. I am not able to connect internet through it. while connecting it via network manager it says "You are registered with home network" and again "Modem network disconnected" . i think it is detected as a modem but not connecting properly. Any help please? I'm hitting this rock with my head more than a month... when I tried installing the driver that came with the device it finally says "Installing NDIS driver failed". I can post further information if anybody helps

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• How to get back Applications menu?

  - by Sophie Sperner

  I'm using 12.04, classic desktop without effects. Once the indicator-applet-complete (right part of the top panel) had disappeared. I found how to fix it with Alt-Win-RightMouseClick on the panel, then "Add to the Panel", where choose "Indicator Applet Complete" to add. Now, the left part of the top panel (Applications Menu) has disappeared! If I do Alt-Win-RightMouseClick on the panel, I can add only individual menu sections like Internet, Office, Settings etc. How to get back the full menu?

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• I can't figure out how to run ubuntu .iso from thumbdrive?

  - by Judge Cole Stanley

  I downloaded Ubuntu 12.04.1 and I can't find a solid way to run it from the disk version of Ubuntu 11.04 for a clean install. I think the hard drive is messed up, or else I would install 11.04, but it won't work. So I wanna install 12.04.1 from a thumbdrive, so I can actually use this computer without using the demo and installing everything when it dies, or shuts off... Please help? I want to make it at least bootable from a thumbdrive, just so I can lightly browse the internet and what not... it doesn't have to be a hard install.

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• The Batcave in LEGO

  - by Jason Fitzpatrick

  There seems to be something of an arms race afoot among hardcore LEGO enthusiasts, but given the awesome fruits of their labor we’re not about to attempt an intervention. This amazing diorama, complete with functioning lighting, is a 20,000 piece tribute to the Batcave. Courtesy of builders Wayne Hussey and Carlyle Livingston, we’re treated to a Batcave rendition in LEGO that’s so detailed the close-up shots feel like you can step right into them. Hit up the link below to check out more detailed photos and videos of the build. LEGO Batcave [via Make] HTG Explains: What is the Windows Page File and Should You Disable It? How To Get a Better Wireless Signal and Reduce Wireless Network Interference How To Troubleshoot Internet Connection Problems

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• After re-installing ubuntu 13.10, stuck at GRUB Rescue, Boot-Repair didn't work!

  - by user205691

  Because i could not get the WiFi login work, i thought i will reinstall ubuntu, with internet connection to have updated drivers for wireless & graphics etc. I have deleted earlier linux partitions usings gparted and re-installed ubuntu 13.10, exactly following the same steps as i did earlier, making a 100GB /home on dev/sda and pointing root to /dev/sdb (SSD) and swap on dev/sda/ . Installing boot on /dev/sdb. But, somehow i think the grub is either corrupted or removed because i am unable to boot the laptop to any OS now. I get the following message: "no such device" xxxxx followed by huge HEX number GRUB rescue when i type ls on Grub rescue prompt, i can see hd0 & hd1, but thats about it. i tried Boot-repair but it is unable to fix the problem. The following log is generated via boot-repair create log: Boot-repair log I am unable to boot into windows or linux at the moment and need help to fix the grub so i can boot !!

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• Peaceful Tropical Cavern Wallpaper

  - by Asian Angel

  colorful-hand-painted [DesktopNexus] Latest Features How-To Geek ETC Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide Inspire Geek Love with These Hilarious Geek Valentines MyPaint is an Open-Source Graphics App for Digital Painters Can the Birds and Pigs Really Be Friends in the End? [Angry Birds Video] Add the 2D Version of the New Unity Interface to Ubuntu 10.10 and 11.04 MightyMintyBoost Is a 3-in-1 Gadget Charger Watson Ties Against Human Jeopardy Opponents Peaceful Tropical Cavern Wallpaper

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• 11.10 AMD64 alternate installer has broken packages?

  - by Ibrahim

  I'm installing Ubuntu 11.10 from the alternate install ISO because I need to use LVM. Unfortunately, at some point the installer fails because it can't install libpurple0 and ubuntu-desktop because they depend on libsasl2-modules but it's not installable somehow. It also has the same error for xserver-xorg-video-all but I think I could probably live without that one. Kind of annoying that this is broken, I'm guessing maybe if I had internet it would work but right now I'm on a campus network with a captive portal so I can't actually get a network connection without using a browser to log in. Just thought someone should know or maybe I'm doing something wrong. I'm going to try installing 11.04 alternate and then upgrading I guess.

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• What should be allowed inside getters and setters?

  - by Botond Balázs

  I got into an interesting internet argument about getter and setter methods and encapsulation. Someone said that all they should do is an assignment (setters) or a variable access (getters) to keep them "pure" and ensure encapsulation. Am I right that this would completely defeat the purpose of having getters and setters in the first place and validation and other logic (without strange side-effects of course) should be allowed? When should validation happen? When setting the value, inside the setter (to protect the object from ever entering an invalid state - my opinion) Before setting the value, outside the setter Inside the object, before each time the value is used Is a setter allowed to change the value (maybe convert a valid value to some canonical internal representation)?

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• Hiring a swing developer - Need some tough assignments

  - by Jay

  I am trying to hire a java swing developer, who would most likely work on a java 1.4 based swing app. I have finalized 2-3 people and I would like to give them a one week assignment on Swing. It has to be a really tough one - something that they can't just copy from the internet and something that tests their in-depth knowledge on Swing. I can think of things like split screen windows, and custom UI controls that would involve custom paining. If you were to prepare such an assignment, what would you do? Please share your thoughts/experiences.

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• Looking for a simple to use email server that can be programmatically (preferably remotely) used

  - by sr2222

  I've been poking around the internet for much of the day, but I can't seem to find a good server to fit my needs. What I need is a simple to use and deploy (pref open source) lightweight email server that I can create users on programmaticly that has IMAP or POP support. I'd prefer something with an existing service interface, but if I have to write a REST API on top of an easy to use API, that's acceptable. The purpose of this tool will be to allow a test automation framework to create new email accounts and retrieve email sent to those addresses. I need text, html, and possibly attachment support as well. Perhaps it's my noobishness, but I can't really suss out the details from the documentation on the servers available out there to figure out which fit my needs.

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• Uploading a file automatically for speed test?

  - by Abhi

  I am building a Web UI for a device for internet connection and one of the requirements in it is a speed test. I know the basic concept of how speed test works. A file is downloaded for a limited time then the same file is uploaded again and the speed is tracked at regular intervals. Downloading the file is not an issue, but how am I supposed to upload the file without the client knowing that the file is getting uploaded? I've read through a lot of documentation, but I'm still not able to get the answer to how I will upload the file from clients machine without asking him to select the file.

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• how to install gfortran package on ubuntu 12.04 offline pc

  - by veerendar

  I have downloaded gfortran package from there site and now looking for installing it on the offline ubuntu 12.04 pc... please don't close this question stating possible duplicate. I am looking for steps to install the package by extracting and installing it. I don't want to use get-offline neither keryx nor to use some other online ubuntu systems. I am very much clear.. I have the downloaded package and I am looking forward for the steps to install the package with out accessing internet. Thanks!

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• how to ask questions about bad practices in stackoverflow ( or other technical forums) [migrated]

  - by Nahum Litvin

  I had a case when I needed to do something in code that I knew is a bad practice. but because of a unique situation and after considering the risks thoroughly decided that is worth it. I cannot start explaining all my considerations that include buisness secrets over the internet but I do need technical assistance. when I tried to ask at SA I got heated responses why it is a bad practice instead of answeres to how to do this. poeple are so conserned about what is the right way to write code that they forget that there are other considerations as well. can anyone provide insight of how to correctly ask such a question in order to avoid "this is a bad practice" answers and get real answers?

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• How do I restrict my kids' computing time?

  - by Takkat

  Access to our computer (not only to the internet) needs to be restricted for the accounts of my kids (7, 8) until they are old enough to manage this by themselves. Until then we need to be able to define the following: the hours of the day when computing is o.k. (e.g. 5 - 9 pm) the days of the week when computing is not o.k. (e.g. mondays to fridays) the amount of time allowed per day (e.g. 2 hours) In 11.10 all of the following that used to do the job don't work any more: Timekpr: for 11.10 not available through the ppa. The installed version from 11.04 does not work in 11.10. Timoutd: command line alternative, but in 11.10 removed from the repositories. Gnome Nanny: Looks great but repeatedly crashes to force restarting X-server. So we can't use or recommed this program at the moment. Are there any other alternatives?

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• How do I Fallback to Older DirectX Versions?

  - by smoth190

  I had a feeling that it would be easier to tackle this problem before I got too deep into development (unless, of course if that's a bad idea/the hard way, please inform me...). I'm creating my game to be run ideally on DirectX 11, however, I want to offer it on DirectX 10, and I'm unsure if it is worth offering it for DirectX 9 for XP users. I'm not too sure how this fallback even works, as I can't find many articles on the internet. If someone could give me an in-depth article, that would be great. I've read a little about how since DirectX11 is completely absent on XP, it is hard to even check for support. Someone mentioned having multiple applications for each version, is this a good idea? Thanks to anyone who can point me in the right direction here.

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• Dead keys in emacs with ibus

  - by Virgile

  I've just upgraded to 13.10 and noticed that dead keys are not working anymore in emacs (a keystroke to ' leads emacs to display <dead-acute> is undefined instead of waiting to the next key. In addition, use of the compose key leads to <Multi_key> is undefined and it is impossible to use keybindings such as <M-^>. Other applications work fine as far as I can tell. A brief search on the internet suggested to (require 'isotransl) to .emacs. This solves the first issue, but not the other ones. Another possible workaround seen on the web is to launch emacs with an empty XMODIFIERS variable, as XMODIFIERS='' emacs, instead of XMODIFIERS= @im=ibus which seems to be the default in 13.10. Then everything works fine, but it looks like a kludge. Is there a way to make emacs work with ibus on this subject?

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• Books and stories on programming culture, specifically in the 80's / early 90's

  - by Ivo van der Wijk

  I've enjoyed a number of (fiction/non-fiction books) about hacker culture and running a software business in the 80's, 90's. For some reason things seemed so much more exciting back then. Examples are: Microserfs (Douglas Coupland) Accidental Empires (Robert X. Cringely Almost Pefect (W.E. Peterson, online!) Coders at Work (Peter Seibel) Today I'm an entrepeneur and programmer. Back in the 80's a I was a young geek hacking DOS TSR's and coding GWBasic / QBasic. In the 90's I was a C.S. university student, experiencing the rise of the Internet world wide. When reading these books running a software business seemed so much more fun than it is nowadays. Things used to be so much simpler, opportunities seemed to be everywhere and the startups seemed to work with much more real problems (inventing spreadsheets, writing word processors in assembly on 6 different platforms) than all our current web 2.0 social networking toys. Does anyone share these feelings? Does anyone have any good (personal) stories from back then or know of other good books to read?

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