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• How to install again Update Manager after uninstalling it

  - by biezdar

  Ok, the thing is this I tried asking many times on few ubuntu forums how to deal with my non-responsive Update Manager, but all I was getting was the same stuff (run it from the terminal, run some lines, apt-get update blah blah). Nothing was helping. Eventually I went mad Windows style and tried to simply uninstall it and install it again. The problem is - how to install it again? Can't do it through Software Center, can't really build a package (because I'm too stupid to do that). And I seriously want to avoid reinstalling the whole system. I am running a 12.04 verison (Update Manager was unable to update to a newer one) Please help. I am furious with this thing.

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• Social is the new search

  - by John Flyn

  before you read my question, I want to let you know that you have the freedom to delete or migrate this question. I know it probably doest not belog here, but I could not find any stackexchange site that I could ask this. ok. So, what does this "social is the new search" mean from a webmaster/dev standpoint? Does it even make sense? Or is is just some marketing BS. I'm trying to wrap my head around this, and it is just not clicking. And hearing the word "social" makes me wanna throwup sometimes. thanks in advance.

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• Legal responsibility of public posts

  - by Murdock

  Given a public site with no logins: I let people post links to public Facebook profiles, and my site fetches the profile picture and displays it. Would it be ok if I just told people to post profiles of which they had the owner’s permission? Does such a statement exonerate me from copyright infringements and place the burden on the user? Edit: For bonus points. Can the statement just be a notice under the button (that will save the link) that says that "By clicking this button you agree to the terms and conditions" with maybe a link to the terms and conditions.

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• Fonts totally unreadable

  - by user11181

  I've just upgraded from 10.04 to 10.10 and my fonts are all just small rectangles with nothing in them. They are completely unreadable. EVEN THE FONTS IN THE TERMINAL. Thank god the fonts in my Chromium were ok, because I wouldn't be able to find this site or write this message. So far I've tried to use the Appearance - Font thing and it doesn't work. For some reason there was an error with the fonts during the installation. Please help, this is an utter nightmare...

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• how to apt-get install with only minimal components necessary for an application

  - by ib84

  apt-get is really great. However, when you want to install an application, you often are forced to install a lot of dependencies which I believe are very often optional. For example, I want to install okular and I'm ask to install 97 packages / 233MB ! That is a lot. I particularly dislike that it wants me to install nepomuk and a lot of other stuff that has nothing to do with PDF viewing per se, and which implies demons, and many of which are clearly optional but not necessary. Question: How to do minimal install with apt-get for a given package, with only the necessary componentents to get the thing run? It's ok if some features disabled at first.

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• No HDD shows up during install 12.04 on Lenovo U410

  - by varunthacker

  I tried installing Ubuntu 12.04 on my Lenovo U410 laptop. When I launch installation no partitions shows up. The U410 has 2 HDDs. 32 GB SSD on /dev/sda and a 500 HDD on /dev/sdb Ideally I would like to install Ubuntu on the 32GB SSD and keep Windows on the 500 GB one and not use the Intel Smart Response Technolog. I'm ok with flashing my drive and starting from scratch with this. Or do you'll have any better suggestions on how to go about partitioning my drive and how to do it?

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• Broadcom bcm4311 rev2 Full disabled on battery

  - by Antonio BG

  Ok this is my problem... My problem begins while ago when I installed ubuntu 10.10. (is the same with 11.04,11.10...) My wireless card is disabled if the power cord is unplugged, and the only way to fix this is rebooting my pc WITH the power cord plugged and if I use lspci command, it doesn't show me the wireless card. is like if I've removed the wireless board from my laptop port. I've searched a lot of solutions for bcmw4311 issues, but none of them fix my problem because when apply one of the fixes, if I unplug the cord, my wireless card it just gone away... I have dual boot on my pc(w7,ubuntu), I've tried with full installation just to see if this is the problem, but not, is the same. On windows all work correctly with and without power cord.. so this is not a hardware problem, is more like a kernel problem. anyway I can use wireless with power cord plugged, but c'mon this is a laptop not a desktop pc XD haha any help is welcome

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• new installation won't sync directories with my account

  - by barrydrake

  I had a dual-boot arrangement on my desktop with 12.04 and 12.10 (testing). Last week, I managed to trash both and ended up re-installing both. After doing all the updates, I activated Ubuntu-one which worked just fine on the previous installations. On both 12.04 and 12.10, the Ubuntu-One window fails to show the folders for syncing and only syncs the Ubuntu-One folder. Adding a folder on my net book on which sync is working properly brings up a pop up on my desktop that tells me a new folder is available for syncing - but the Ubuntu window fails to show it. I have put a screenshot from my net book (working OK) and one from my desktop which shows the problem. Any suggestions please?

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• Warning about unavailable repositories

  - by richzilla

  An icon has recently appeared on my panel with an exclamation mark. The message i get when hovering over this is that the update information is out of date, and that this may be caused by an unavailable repository or a network isssue. My network connection appears to be ok. The message advises i manually check for updates. When i do this, i get the following message: W:Failed to fetch http://ppa.launchpad.net///ubuntu/dists/maverick/main/source/Sources.gz 404 Not Found , W:Failed to fetch http://ppa.launchpad.net///ubuntu/dists/maverick/main/binary-amd64/Packages.gz 404 Not Found , E:Some index files failed to download, they have been ignored, or old ones used instead. Any idea whats going on?

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• Does it makes sense to backup the whole partition as opposed to their files?

  - by maaartinus

  I know that on Windows it's quite futile to try to backup the "C:" partition file-wise and that's why a full partition backup is needed. Is it OK to backup a the root Linux partition file-wise? Are there any downsides? Clarification Here, I don't care about advantages of partial backups. I'm going to do additional separate backups of /home, etc. What I'm interested in here is the comparison of backup of all files from / vs. backup of the whole partition as device What are the advantages of something like dd if=/dev/sda1 ...?

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• Adding PPA on install

  - by trampster

  I have a app I am packaging for ubuntu. I don't like the idea that if included in the ubuntu repositories I will have no control over updating that application. I don't want my users stuck on an out dated version for up to 6 months. I also do not want my users to have to manually add a PPA themselves to get updates as the target user will not have the technical know how to do this. Is it OK to have my .deb add a PPA on install. So that I can roll out stable updates to my ubuntu users.

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• Flash site loads slowly

  - by bogdanvursu

  I have a simple html page that embeds an swf, that downloads other xml, swf and image files. The total count of the requests reaches about 90. I am aware that it should take a while until the content is available and I am OK with that. All the needed files are hosted by two different providers in the US: flashxml.net/monochrome-demo.html and u1.flashcomponents.net/samples/8751/index.html From two different countries in Europe, the content shows up a lot later (almost twice as later) from flashxml, than flashcomponents. I've done mtr tests and the ping difference is about 40ms and the flashxml server load is below 1. Do you have any other suggestions as to what should I look at?

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• Install Ubuntu on MacBook Pro without a CD

  - by Thomas Egan

  Trying to install Ubuntu server on my MacBook however the CD drive is not working. All the guides I have seen so far use the bootcamp process (same as for windows) to achieve this. I currently have a windows partition on my machine (it was installed with a CD when the drive was ok) which I'm going to remove before I do this. Is it possible to boot using the USB drive from the Mac bootloader using this method? I don't want to remove my Windows partition to find that I NEED a CD to do this. I would also prefer to have a separate partition as opposed to any sort of VM setup to do this.

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• Looking for "New" Java Developers for Java Magazine!

  - by oracletechnet

  Want to be "almost famous"? For the March/April 2012 issue of Java Magazine, we need interview candidates for a cover story tentatively entitled "The New Java Developers". For each candidate selected, we will publish a short bio/profile and photo. What's the catch? You must be between 18 and 25 years of age and, naturally, passionate about Java technology! Here are some other prerequisites: - Willingness to be interviewed and photographed for worldwide publication- English-language proficiency- Students or professionals are OK Extra points for: - Women. We want to bring more women into IT!- Residents of countries with fast-growing developer populations If you are a candidate or know of a candidate, please drop an email with your CV to javamag_us AT oracle.com. This could be your big break in the biz!

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• PyQt design issues

  - by Falmarri

  I've been working on a my first real project using PyQt lately. I've done just a little bit of work in Qt for C++ but nothing more than just messing around. I've found that the Qt python bindings are essentially just a straight port of C++ classes into python, which makes sense. The issue is that this creates a lot of messy, unpythonic code. For example if you look at QAbstractItemModel, there's a lot of hoops you have to go through that forces you to hide the actual python. I was just wondering if there's any intention of writing a python implementation of Qt that isn't necessarily just a wrapper? Either by Nokia or anyone else? I really like Qt but I would love to be able to write more pythonic code. I hope this is OK to ask here. I'm not trying to start a GUI war or anything.

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• Lost /boot partition

  - by s3v3n

  Recently I installed Windows XP on my machine where I had only Ubuntu. The problem is that I had my /boot on a separate, 200 Mb partition at beginning of the hard-disk (the leftmost). Installing windows, it said that it can't write MBR because there's an unknown partition, so I formatted that partition as NTFS, and I could finally get windows installed. Now I want to restore that partition so I can use my Linux keeping both systems. Now should I install grub2 there, or it's OK by restoring partition data? If the first is the correct answer then provide me a little tutorial on installing it. Keep in mind that there was my /boot folder.

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• PC noisy due to high load - why?

  - by Jinx

  I just installed an ubuntu on my pc(Dell Inspiration I560SR-358, with CPU E5700 3GHz, 4G memory, and NVIDIA GeForce G310). The pc becomes noisy before that it's quiet with a windows 7 on it. How come? How to set it to be quiet again in unbuntu 10.04. One of the two cpu usage is always 100%. I think that is the reason. //re-edit Everything gets ok after I restart the computer.But the fan is still running which makes it noisy, if i switch to windows 7, it becomes quiet again.

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• How to fix slow wireless with Intel 4965 AGN? [closed]

  - by mikewhatever

  Possible Duplicate: Slow wireless with an Intel 4965 We run Ubuntu 12.04, 32bit, with the current kernel 3.2.27-generic on an MSI EX700. I've already added the 11n_disable=1 tweek, without whcih, wireless has been unusable. Now, it works OK, but speedtest shows: Windows XP - down 11.68mbps, up 2.07mbps Ubuntu 12.04 - down 2.06mbps up 2.0mbps We've disabled ipv6, tried static and dinamic IPs, tried both swcrypto=0 and swcrypto=1 options, none of whcih made any difference. The problem may be the symptom of high packet loss. For example, here's the output of iwconfig after booting and testing the speeds: wlan0 IEEE 802.11abg ESSID:"amu" Mode:Managed Frequency:2.462 GHz Access Point: 00:78:9E:FA:32:C8 Bit Rate=54 Mb/s Tx-Power=15 dBm Retry long limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=58/70 Signal level=-52 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:11 Invalid misc:3627 Missed beacon:0 I've posted a help request before with lots of technical info and outputs.

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• can't connect to t

  - by Jorge Jimenez

  I installed, today 10/05/12, for the first time. I've used Windows for several years. Well, it's not as user friendly as some people claim. I decided to give it a try but it's very upsetting that everything seems to be OK with my wireless connection, I'm connected, and I just can not connect to the internet. When I open Firefox I get the message "Server not found". Help please! I never had this problems with Windows.

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• How to identify the client is a search robot?

  - by Yau Leung

  I have built my entire site using AJAX (indeed it's GWT). I have also implemented AJAX crawling proposed by Google. However, after the implementation, I found that neither Yahoo , Bing, nor Baidu implemented that scheme! I'm wondering if there is a way to identify the web client is a search robot. If they are, they will be shown the HTML snapshot I created. It will be best if I can identify them in APACHE level, then I can just do a mod_rewrite. But it's still ok if I can do that in PHP or GWT.

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• EPM 11.1.2 - Receive Anonymous Level Security token message in IE8 when trying to access Shared Services or Workspace URL

  - by Ahmed A

  If you get "Receive Anonymous Level Security token" message in IE8 when trying to access Shared Services or Workspace URL.Workaround:a. Go to Start > Run and enter dcomcnfgb. Expand Component Services, Expand Computers and right click on My Computer and select Propertiesc. Click on the Default Properties tab.  Change the Default Authentication Level to Connect.  Click apply and then OK.d. Launch the IE browser again and you will be able to access the URL.

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• Adding a small slide when player releases left/right key

  - by Dave

  the aim is for the player object to slow down and stop instead of just stopping dead. The following codes works ok when the player is not jumping, but gets stuck in an object if the player is in the air when they do it. Left Key released event: if hsp = 0 exit; hspeed = -3; friction = 0.20; if obj_Player.hspeed = 0 { hspeed = 0; } Right key released event: if hsp = 0 exit; hspeed = +3; friction = 0.20; if obj_Player.hspeed = 0 { hspeed = 0; } and here's the horizontal collision code for interest: if (place_meeting(x+hsp,y,obj_bound)) { while(!place_meeting(x+sign(hsp),y,obj_bound)) { x += sign(hsp); } hsp = 0; } x += hsp; Any help would be much appreciated. Thanks.

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• unit testing on ARM

  - by NomadAlien

  We are developing application level code that runs on an ARM processor. The BSP (low level code) is being delivered by a 3d party so our code sits just on top of this abstraction layer (code is written in c++). To do unit testing, I assume we will have to mock/stub out the BSP library(essentially abstracting out the HW), but what I'm not sure of is if I write/run the unit test on my pc, do I compile it with for example GCC? Normally we use Realview compiler to compile our code for the ARM. Can I assume that if I compile and run the code with x86 compiler and the unit tests pass that it will also pass when compiled with RealView compiler? I'm not sure how much difference the compiler makes and if you can trust that if the x86 compiled code pass the unit tests that you can also be confident that the Realview compiled code is ok.

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• Cannot connect to ethernet port

  - by Jnir

  I'm running Ubuntu 12.04 LTE. I'm trying to connect via ethernet for the first time but have had no success. Ifconfig eth0 returns: eth0 Link encap:Ethernet HWaddr: 00:01:2e:3f:f1:a0 inet6 addr: fe80::201:2eff:fe3f:f1a0 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:68 errors:0 dropped:0 overruns:0 frame:0 TX packets:183 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:8374 (8.3 KB) TX bytes:42944 (42.9KB) Interrupt:16 Base address:0x6c00 /etc/network/interfaces has auto lo iface lo inef loopback auto eth0 iface eth0 inet dhcp sudo /etc/init.d/networking prints: * Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces * Reconfiguring network interfaces... Failed to bring up eth0 [OK]

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• Cannot save password in Evolution?

  - by mhmdrizmi

  I'm using evolution in lubuntu. Configuring the email accounts is OK. Then a window appears asking for the mail password. There is an option to add the password to the keyring. When this is checked nothing happens. The window doesn't close either. When I repeat the same steps with the option to add the password unchecked, it works fine. But I have to enter the passwords every time I start evolution. I guess it's a problem with the keyring (just a guess). How can I fix this ?

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