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  • Node remains in commissioning status

    - by Vinitha
    I have been trying to set up ubuntu cloud 12.04. I'm kind of new to MAAS and ubuntu. Here is what I followed. Have installed MAAS server using the steps provided in https://wiki.ubuntu.com/ServerTeam/MAAS For the node, I installed the Ubuntu 12.04 Server Image on a USB Stick. Then restarted the node and opted to enlist the node via boot media, with PXE. once the process was done, the node was powered off as expected. I manually powered on the node, as my node is not PXE enabled. Result - No node was visible on MAAS UI Since step 2 didn't work, I added the node via maas-cli. command. After the execution of this command I got the node reflected on to my MAAS UI. But the status continues to be in "Commissioning" for a long time. Then I executed "maas-cli maas nodes check-commissioning " and i got "Unrecognised signature: POST check_commissioning". I'm not sure where is the error. Could some one please help me solve this issue. I checked the following log file but found no error related to commissioning (pserv.log / maas.log / celery.log/celery-region.log). I found this entry in my auth.log "Nov 16 18:20:34 ubuntuCloud sshd[4222]: Did not receive identification string from xxx.xx.xx.x" not sure if it indicates anything as the ip that is mentioned is not of the node nor of the MAAS server. I also verified the time on the server and node using date cmd - (at one instance the times are : Server: Fri Nov 16 18:15:51 IST 2012 and Node Fri Nov 16 18:15:43 IST 2012). Not sure if 'date' the right cmd to set the time. I have also check maas_local_settings.py for the MAAS url. I'm not sure what are the logs that need to be verified. Is there any log that can be checked on the Node. Thanks Vinitha

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  • Ubuntu 12.04.1 completely freezing very often [closed]

    - by tyler
    Possible Duplicate: What should I do when Ubuntu freezes? I am running ubuntu 12.04.1 on an asus zenbook prime (UX31A), and I am having a problem where the entire OS freezes at random times. It doesn't seem to happen in response to any certain event, it will even sometimes happen while just moving the mouse, not even clicking on anything. The entire system will freeze, mouse and keyboard do not work, and any music/video will freeze and audio will loop. I can do nothing but hold the power button to reboot the computer. I've had this problem for a while, and just yesterday gotten around to backing up everything and doing a fresh install. Lo and behold, I get a freeze within 20 minutes of a fresh install. I've googled this a lot, and cannot find anything that resembles it exactly (some people have everything but mouse/keyboard freeze, some people only have the mouse/keyboard freeze).

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  • Edubuntu boots in low graphics mode. with an Intel HD Graphics system

    - by user63957
    I have a HD Intel graphics card in my laptop. It was working fine the first few days with the new version Edubuntu. Now when you start, just before it goes to the part asking for the login password I think the OP means lightdm it sends me to a low graphics mode. Things I've tried: I tried Ctl+Alt+F1. Updated and installed fglrx from the terminal. All my work is all stored there. Please, if anyone knows how to fix this, tell me. Original version: hola tengo una tarjeta intel hd graphics en mi laptop estuve trabajando los primeros dias bien con la nueva version edubuntu solo que ahora cuando inicia y justo antes de que pase a la parte que me pide la contraseña me manda low graphic mode no se que hacer ya entre y le di ctr alt f1 y actualice tmb instale fglrx necesito obtener toda miinformacion todo mi trabajo esta ahi guardado, por favor si alguien sabe como solucionar este bug digame como, gracias, ciao.

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  • How to build the Darling projrct on Ubuntu 13.10?

    - by mirror27
    The Darling project is an open source Darwin/OS X emulation layer for Linux. I downloaded the source code with git and tried to build it with cmake but it failed. The document says I need these packages: clang 3.1+ GCC 4.6+ (yes, you still need GCC for header files) libkqueue libbsd gnustep-base ("Foundation") gnustep-gui ("Cocoa") gnustep-corebase ("CoreFoundation") libobjc2 libudev openssl libasound libav libgc but I could not find them on apt or in software center. Also cmake showed this result: No build type selected, default to Debug This is a 64-bit build Building ObjC ABI 2 You have called ADD_LIBRARY for library Carbon without any source files. This typically indicates a problem with your CMakeLists.txt file You have called ADD_LIBRARY for library AppKit without any source files. This typically indicates a problem with your CMakeLists.txt file You have called ADD_LIBRARY for library auto without any source files. This typically indicates a problem with your CMakeLists.txt file CMake Error: The following variables are used in this project, but they are set to NOTFOUND. Please set them or make sure they are set and tested correctly in the CMake files: LIBGNUSTEPCOREBASE_INCLUDE_DIR used as include directory in directory /home/mirror/work/darling/darling/src/motool used as include directory in directory /home/mirror/work/darling/darling/src/util used as include directory in directory /home/mirror/work/darling/darling/src/libmach-o used as include directory in directory /home/mirror/work/darling/darling/src/libdyld used as include directory in directory /home/mirror/work/darling/darling/src/dyld used as include directory in directory /home/mirror/work/darling/darling/src/dyld used as include directory in directory /home/mirror/work/darling/darling/src/libSystem used as include directory in directory /home/mirror/work/darling/darling/src/libltdl used as include directory in directory /home/mirror/work/darling/darling/src/Cocoa used as include directory in directory /home/mirror/work/darling/darling/src/libobjcdarwin used as include directory in directory /home/mirror/work/darling/darling/src/CoreFoundation used as include directory in directory /home/mirror/work/darling/darling/src/libncurses used as include directory in directory /home/mirror/work/darling/darling/src/CoreSecurity used as include directory in directory /home/mirror/work/darling/darling/src/CoreServices used as include directory in directory /home/mirror/work/darling/darling/src/ExceptionHandling used as include directory in directory /home/mirror/work/darling/darling/src/IOKit used as include directory in directory /home/mirror/work/darling/darling/src/Foundation used as include directory in directory /home/mirror/work/darling/darling/src/Carbon used as include directory in directory /home/mirror/work/darling/darling/src/CoreVideo used as include directory in directory /home/mirror/work/darling/darling/src/OpenGL used as include directory in directory /home/mirror/work/darling/darling/src/thin used as include directory in directory /home/mirror/work/darling/darling/src/thin used as include directory in directory /home/mirror/work/darling/darling/src/libstdc++darwin LIBKQUEUE_INCLUDE_DIR used as include directory in directory /home/mirror/work/darling/darling/src/motool used as include directory in directory /home/mirror/work/darling/darling/src/util used as include directory in directory /home/mirror/work/darling/darling/src/libmach-o used as include directory in directory /home/mirror/work/darling/darling/src/libdyld used as include directory in directory /home/mirror/work/darling/darling/src/dyld used as include directory in directory /home/mirror/work/darling/darling/src/dyld used as include directory in directory /home/mirror/work/darling/darling/src/libSystem used as include directory in directory /home/mirror/work/darling/darling/src/libltdl used as include directory in directory /home/mirror/work/darling/darling/src/Cocoa used as include directory in directory /home/mirror/work/darling/darling/src/libobjcdarwin used as include directory in directory /home/mirror/work/darling/darling/src/CoreFoundation used as include directory in directory /home/mirror/work/darling/darling/src/libncurses used as include directory in directory /home/mirror/work/darling/darling/src/CoreSecurity used as include directory in directory /home/mirror/work/darling/darling/src/CoreServices used as include directory in directory /home/mirror/work/darling/darling/src/ExceptionHandling used as include directory in directory /home/mirror/work/darling/darling/src/IOKit used as include directory in directory /home/mirror/work/darling/darling/src/Foundation used as include directory in directory /home/mirror/work/darling/darling/src/Carbon used as include directory in directory /home/mirror/work/darling/darling/src/CoreVideo used as include directory in directory /home/mirror/work/darling/darling/src/OpenGL used as include directory in directory /home/mirror/work/darling/darling/src/thin used as include directory in directory /home/mirror/work/darling/darling/src/thin used as include directory in directory /home/mirror/work/darling/darling/src/libstdc++darwin LIBOBJC2_INCLUDE_DIR used as include directory in directory /home/mirror/work/darling/darling/src/motool used as include directory in directory /home/mirror/work/darling/darling/src/util used as include directory in directory /home/mirror/work/darling/darling/src/libmach-o used as include directory in directory /home/mirror/work/darling/darling/src/libdyld used as include directory in directory /home/mirror/work/darling/darling/src/dyld used as include directory in directory /home/mirror/work/darling/darling/src/dyld used as include directory in directory /home/mirror/work/darling/darling/src/libSystem used as include directory in directory /home/mirror/work/darling/darling/src/libltdl used as include directory in directory /home/mirror/work/darling/darling/src/Cocoa used as include directory in directory /home/mirror/work/darling/darling/src/libobjcdarwin used as include directory in directory /home/mirror/work/darling/darling/src/CoreFoundation used as include directory in directory /home/mirror/work/darling/darling/src/libncurses used as include directory in directory /home/mirror/work/darling/darling/src/CoreSecurity used as include directory in directory /home/mirror/work/darling/darling/src/CoreServices used as include directory in directory /home/mirror/work/darling/darling/src/ExceptionHandling used as include directory in directory /home/mirror/work/darling/darling/src/IOKit used as include directory in directory /home/mirror/work/darling/darling/src/Foundation used as include directory in directory /home/mirror/work/darling/darling/src/Carbon used as include directory in directory /home/mirror/work/darling/darling/src/CoreVideo used as include directory in directory /home/mirror/work/darling/darling/src/OpenGL used as include directory in directory /home/mirror/work/darling/darling/src/thin used as include directory in directory /home/mirror/work/darling/darling/src/thin used as include directory in directory /home/mirror/work/darling/darling/src/libstdc++darwin Configuring incomplete, errors occurred! How can I build the Darling project?

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  • Getting an error when using 'make' command (installing aircrack-ng on Ubuntu 12.04)

    - by Mohd Arafat Hossain
    I followed instructions from here http://securit.se/en/2012/03/kompilera-reaver-ubuntu-12-04/. I edited the 'common.mak' file successfully and when I type in make I get this error mohd-arafat-hossain@TUD:~/aircrack-ng-1.1$ make make -C src all make[1]: Entering directory `/home/mohd-arafat-hossain/aircrack-ng-1.1/src' make -C osdep make[2]: Entering directory `/home/mohd-arafat-hossain/aircrack-ng-1.1/src/osdep' Building for Linux make[3]: Entering directory `/home/mohd-arafat-hossain/aircrack-ng-1.1/src/osdep' make[3]: `.os.Linux' is up to date. make[3]: Leaving directory `/home/mohd-arafat-hossain/aircrack-ng-1.1/src/osdep' make[2]: Leaving directory `/home/mohd-arafat-hossain/aircrack-ng-1.1/src/osdep' gcc -g -W -Wall -O3 -D_FILE_OFFSET_BITS=64 -D_REVISION=0 -Iinclude -c -o aircrack-ng.o aircrack-ng.c In file included from aircrack-ng.c:65:0: crypto.h:12:26: fatal error: openssl/hmac.h: No such file or directory compilation terminated. make[1]: *** [aircrack-ng.o] Error 1 make[1]: Leaving directory `/home/mohd-arafat-hossain/aircrack-ng-1.1/src' make: *** [all] Error 2 What am I supposed to do now?

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  • Homebrew LEGO CD Duplicator Copies CDs On The Cheap

    - by Jason Fitzpatrick
    If you’d like to bulk copy CDs/DVDs without the sticker shock of a $500+ commercial duplicator, this DIY LEGO duplicator is a homebrew solution. Paul Rea wanted to rip and copy CDs and DVDs without shelling out for a commercial duplicator and without the hassle of being bound to that commercial duplicator’s propriety software. His homebrew solution–a combination of LEGO, a rotating base, an Arduino controller, and little ingenuity–handles his ripping and copying needs with ease. Watch the video above to see it in action then hit up the link below for the build log and Arduino code. CD Duplicator [PaulRea.net via Make] HTG Explains: Understanding Routers, Switches, and Network Hardware How to Use Offline Files in Windows to Cache Your Networked Files Offline How to See What Web Sites Your Computer is Secretly Connecting To

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  • Installing gnome shell extensions from extensions.gnome.org fails silently

    - by Pascal
    On a fresh Ubuntu install (12.04, 64-bit), after installing gnome-shell, I've tried to install some extensions from extensions.gnome.org but got no result. I've tried with Firefox and Chromium and got the same issue. Open any extension page on extensions.gnome.org. Switch extension to "ON". Agree with confirmation about installation. Nothing happens and nothing has been installed (.local/share/gnome-shell/extensions is empty). I've checked .xsession-errors, Firefox's javascript console, gnome-shell console errors (Alt-F2 + looking glass). There isn't any trace of any error.

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  • Ubuntu 12.10 MBR not loading from dual boot selector

    - by Justin Holmes
    Since I am new to the forums here I cannot post pictures, but hopefully this link to my error screen will work. Error when selecting to boot the Ubuntu mbr Basically no matter what I do, windows boot manager wants to load windows and windows only. I tried running from my hard drive and also from a USB drive that had live installed. Both times I ended up with this message. I am running windows 7 with all the newest updates, on a Samsung series 7 Laptop. I have had many dual boot machines in the past and never seen this issue. I even had a dual booting windows 7 machine a few months ago and had no issues at all. Any help would be appreciated! Thanks! Justin

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  • Delete directory by referencing symbolic link

    - by Adam
    To set up the question, imagine this scenario: mkdir ~/temp cd ~/ ln -s temp temporary rm -rf temporary, rm -f temporary, and rm temporary each will remove the symbolic link but leave the directory ~/temp/. I have a script where the name of the symbolic link is easily derived but the name of the linked directory is not. Is there a way to remove the directory by referencing the symbolic link, short of parsing the name of the directory from ls -od ~/temporary?

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  • How to Use Binder Clips to Fix Broken Keyboard Feet [Geeky Quick Fix]

    - by Asian Angel
    There are few things as frustrating as using a keyboard with a broken foot on it, so the folks at Apartment Therapy came up with a quick and awesome solution. All it takes is a little bit of binder clip magic… You can see the end results in the images above, so browse on over the blog post for the quick how-to instructions and say goodbye to the broken keyboard feet blues! Images courtesy of Apartment Therapy blog. Use Binder Clips to Mend Broken Keyboard Feet [via Reddit] HTG Explains: Is ReadyBoost Worth Using? HTG Explains: What The Windows Event Viewer Is and How You Can Use It HTG Explains: How Windows Uses The Task Scheduler for System Tasks

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  • How can I unmount a s3fs mount as a normal user?

    - by coteyr
    I use S3 a ton. I have over 40 or so buckets floating around between clients. I like the fact that I can list them in /etc/fstab and that they just work. For reference here is one of the buckets. coteyrnet /mnt/S3/coteyrnet fuse.s3fs _netdev,use_cache=/tmp,use_rrs=1,allow_other,noauto,users 0 0 It mounts fine, but I am having one heck of a time unmounting it. The first problem is: umount: /mnt/S3/coteyrnet mount disagrees with the fstab The relevant part of mtab is: s3fs /mnt/S3/coteyrnet fuse.s3fs rw,noexec,nosuid,nodev,allow_other,user=coteyr 0 0 In addition to that, if I sudo umount /mnt/S3/coteyrnet I always get umount: /mnt/S3/coteyrnet: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) lsof | grep coteyrnet never returns anything of value, nor does fuser. My goal is to get user unmounting working. The inability to mount via sudo has been resolved. By using the "use_cache" setting the files were actually open, but not under the mount point. This is a caveat to that option. The mount point files are closed but the files were not yet transferred to S3. By waiting "a while" and trying again, sudo can unmount.

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  • Bluetooth not working on an Alienware m14x r2

    - by S. L.
    on my alienware m14x r2 laptop with ubuntu 12.04.1 x64, the bluetooth interface is not working. WLAN works fine. I have a dualboot install with ubuntu & win 7 on this laptop. In win 7, the bluetooth interface works fine, because its all activated in BIOS. I have the killer wireless-n 1202 a/g/n interface with integrated bluetooth 4.0 in this laptop. Here is some code : sudo rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 064e:8128 Suyin Corp. Bus 002 Device 003: ID 0cf3:3004 Atheros Communications, Inc. Bus 002 Device 004: ID 187c:0521 Alienware Corporation dmesg | grep "Bluetooth" [ 2.590377] Bluetooth: Core ver 2.16 [ 2.590395] Bluetooth: HCI device and connection manager initialized [ 2.590397] Bluetooth: HCI socket layer initialized [ 2.590399] Bluetooth: L2CAP socket layer initialized [ 2.590403] Bluetooth: SCO socket layer initialized [ 2.591518] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 2.591519] Bluetooth: BNEP filters: protocol multicast [ 2.599411] Bluetooth: RFCOMM TTY layer initialized [ 2.599415] Bluetooth: RFCOMM socket layer initialized [ 2.599416] Bluetooth: RFCOMM ver 1.11 [ 2.696552] Bluetooth: Generic Bluetooth USB driver ver 0.6 [ 2.696751] Bluetooth: Atheros AR30xx firmware driver ver 1.0 [ 2.702607] Bluetooth: Configuration file not found ar3k/ramps_0x11020000_40.dfu [ 2.702609] Bluetooth: Loading sysconfig file failed Any ideas to fix that problem ?

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  • How do install graphics drivers for radeon HD 6380g on a HP pavilion g6?

    - by Ryan
    I installed ubuntu from wubi using a live cd but when i booted i just got a black screen so i followed the instructions from this forum http://ubuntuforums.org/showpost.php?p=10089820&postcount=8 which successfully completed the ubuntu installation but now when i boot ubuntu i just get a command prompt. when i type in startx it comes up with an error. I am told i need to install graphics drivers, how do i do this? Thanks in advance Ryan

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  • Why is my machine unable to mount my SMB drives ("CIFS VFS: Error connecting to socket. Aborting operation", return code -115)?

    - by downbeat
    I have a machine running Precise (12.04 x64), and I cannot mount my SMB drives (I have 3, we'll call them public, private and download). It used to work (a week or two ago) and I didn't touch fstab! The machine hosting the shares is a commercial NAS, and I'm not seeing anything that would indicate it's an issue with the NAS. I have an older machine which I updated to Precise at the same time (both fresh installed, not dist-upgrade), so should have a very similar configuration. It is not having any problems. I am not having problems on windows machines/partitions either, only one of my Precise machines. The two machines are using identical entries in fstab and identical /etc/samba/smb.conf files. I don't think I've ever changed smb.conf (has never mattered before). My fstab entries all basically look like this: //10.1.1.111/public /media/public cifs credentials=/home/downbeat/.credentials,iocharset=utf8,uid=downbeat,gid=downbeat,file_mode=0644,dir_mode=0755 0 0 Here's the dmesg output on boot: [ 51.162198] CIFS VFS: Error connecting to socket. Aborting operation [ 51.162369] CIFS VFS: cifs_mount failed w/return code = -115 [ 51.194106] CIFS VFS: Error connecting to socket. Aborting operation [ 51.194250] CIFS VFS: cifs_mount failed w/return code = -115 [ 51.198120] CIFS VFS: Error connecting to socket. Aborting operation [ 51.198243] CIFS VFS: cifs_mount failed w/return code = -115 There are no other errors I see in the dmesg output. Originally when I ran 'testparm -s', the output contained these lines ERROR: lock directory /var/run/samba does not exist ERROR: pid directory /var/run/samba does not exist Here's the samba related programs I have installed: $ dpkg --list|grep -i samba ii libpam-winbind 2:3.6.3-2ubuntu2.3 Samba nameservice and authentication integration plugins ii libwbclient0 2:3.6.3-2ubuntu2.3 Samba winbind client library ii nautilus-share 0.7.3-1ubuntu2 Nautilus extension to share folder using Samba ii python-smbc 1.0.13-0ubuntu1 Python bindings for Samba clients (libsmbclient) ii samba-common 2:3.6.3-2ubuntu2.3 common files used by both the Samba server and client ii samba-common-bin 2:3.6.3-2ubuntu2.3 common files used by both the Samba server and client ii winbind 2:3.6.3-2ubuntu2.3 Samba nameservice integration server $ dpkg --list|grep -i smb ii dmidecode 2.11-4 SMBIOS/DMI table decoder ii libsmbclient 2:3.6.3-2ubuntu2.3 shared library for communication with SMB/CIFS servers ii python-smbc 1.0.13-0ubuntu1 Python bindings for Samba clients (libsmbclient) ii smbclient 2:3.6.3-2ubuntu2.3 command-line SMB/CIFS clients for Unix ii smbfs 2:5.1-1ubuntu1 Common Internet File System utilities - compatibility package $ dpkg --list|grep -i cifs ii cifs-utils 2:5.1-1ubuntu1 Common Internet File System utilities ii libsmbclient 2:3.6.3-2ubuntu2.3 shared library for communication with SMB/CIFS servers ii smbclient 2:3.6.3-2ubuntu2.3 command-line SMB/CIFS clients for Unix I originally noticed that my other machine had "libpam-winbind" and "nautilus-share" installed and the machine with the issue did not. Installing those two packages solved my errors with 'testparm -s', but did not fix my issue. Finally, I tried to purge and reinstall these packages smbclient smbfs cifs-utils samba-common samba-common-bin Still no luck. Again, it used to work; now it doesn't. Very similarly configured machine works (but some packages are out of date on the working machine). The NAS has only one interface/IP address, nmblookup works to find it's IP from it's hostname (from the machine with the issue) and it responds to a ping. Please any help would be great. I've been searching on AskUbuntu, SuperUser, ubuntuforums and plain old search engines for a week now and it's driving me crazy!

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  • How to run 'apt-get install' to install all dependencies?

    - by michael
    I am running this in ubuntu server installation: sudo apt-get install git-core gnupg flex bison gperf build-essential \ zip curl libc6-dev libncurses5-dev:i386 x11proto-core-dev \ libx11-dev:i386 libreadline6-dev:i386 libgl1-mesa-glx:i386 \ libgl1-mesa-dev g++-multilib mingw32 openjdk-6-jdk tofrodos \ python-markdown libxml2-utils xsltproc zlib1g-dev:i386 but I am getting this: Reading package lists... Building dependency tree... Reading state information... curl is already the newest version. gnupg is already the newest version. Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: build-essential : Depends: gcc (>= 4:4.4.3) but it is not going to be installed Depends: g++ (>= 4:4.4.3) but it is not going to be installed g++-multilib : Depends: cpp (>= 4:4.7.2-1ubuntu2) but it is not going to be installed Depends: gcc-multilib (>= 4:4.7.2-1ubuntu2) but it is not going to be installed Depends: g++ (>= 4:4.7.2-1ubuntu2) but it is not going to be installed Depends: g++-4.7-multilib (>= 4.7.2-1~) but it is not going to be installed How can I fix this?

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  • Issues installing synapse launcher

    - by George Morton
    I am trying to install synapse launcher on my desktop . I am using these two commands: sudo add-apt-repository ppa:synapse-core/ppa sudo apt-get update && sudo apt-get install synapse However I am getting an error with the second command saying E: Some index files failed to download, they have been ignored, or old ones used instead. I presume this has something to do with my connection to the hosting servers. But what I don't understand is the fact that synaptic is working it just seems to be something about that ppa. I don't know what I am doing wrong as the commands are widely suggested around the web, But they don't seem to work for me! I would greatly appreciate some advice on this as it is proving to be very frustrating. Many thanks, George

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  • Use a Free Tool to Edit, Delete, or Restore the Default Hosts File in Windows

    - by Lori Kaufman
    The hosts file in Windows contains mappings of IP addresses to host names, like an address book for your computer. Your PC uses IP addresses to find websites, so it needs to translate the host names into IP addresses to access websites. When you enter a host name in a browser to visit a website, that host name is looked up in DNS servers to find the IP address. If you enter IP addresses and host names for websites you visit often, these websites will load faster, because the hosts file is loaded into memory when Windows start and overrides DNS server queries, creating a shortcut to the sites. Because the hosts file is checked first, you can also use it to block websites from tracking your activities on the internet, as well as block ads, banners, third-party cookies, and other intrusive elements on webpages. Your computer has its own host address, known as its “localhost” address. The IP address for localhost is 127.0.0.1. To block sites and website elements, you can enter the host name for the unwanted site in the hosts file and associate it with the localhost address. Blocking ads and other undesirable webpage elements, can also speed up the loading of websites. You don’t have to wait for all those items to load. The default hosts file that comes with Windows does not contain any host name/IP address mappings. You can add mappings manually, such as the IP address 74.125.224.72 for www.google.com. As an example of blocking an ad server website, you can enter the following line in your hosts file to block doubleclick.net from serving you ads. How To Use USB Drives With the Nexus 7 and Other Android Devices Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder? Why Your Android Phone Isn’t Getting Operating System Updates and What You Can Do About It

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  • Unable to build my c++ code with g++ 4.6.3

    - by Mriganka
    I am facing multiple issues with building my c++ code on Ubuntu 12.04. This code was building and running fine on RH Enterprise. I am using g++ 4.6.3. Here's the output of g++ -v. g++ -v Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.6/lto-wrapper Target: i686-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.6.3-1ubuntu5' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.6 --enable-shared --enable-linker-build-id --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.6 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --enable-objc-gc --enable-targets=all --disable-werror --with-arch-32=i686 --with-tune=generic --enable-checking=release --build=i686-linux-gnu --host=i686-linux-gnu --target=i686-linux-gnu Thread model: posix gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) Here's a sample of my code: #include "Word.h" #include < string> using namespace std; pthread_mutex_t Word::_lock = PTHREAD_MUTEX_INITIALIZER; Word::Word(): _occurrences(1) { memset(_buf, 0, 25); } Word::Word(char *str): _occurrences(1) { memset(_buf, 0, 25); if (str != NULL) { strncpy(_buf, str, strlen(str)); } } g++ -c -ansi or g++ -c -std=c++98 or g++ -c -std=c++03, none of these options are able to build the code correctly. I get the following compilation errors: mriganka@ubuntu:~/WordCount$ make g++ -c -g -ansi Word.cpp -o Word.o Word.cpp: In constructor ‘Word::Word()’: Word.cpp:10:21: error: ‘memset’ was not declared in this scope Word.cpp: In constructor ‘Word::Word(char*)’: Word.cpp:16:21: error: ‘memset’ was not declared in this scope Word.cpp:19:34: error: ‘strlen’ was not declared in this scope Word.cpp:19:35: error: ‘strncpy’ was not declared in this scope Word.cpp: In member function ‘void Word::operator=(const Word&)’: Word.cpp:37:42: error: ‘strlen’ was not declared in this scope Word.cpp:37:43: error: ‘strncpy’ was not declared in this scope Word.cpp: In copy constructor ‘Word::Word(const Word&)’: Word.cpp:44:21: error: ‘memset’ was not declared in this scope Word.cpp:45:52: error: ‘strlen’ was not declared in this scope Word.cpp:45:53: error: ‘strncpy’ was not declared in this scope So basically g++ 4.6.3 on Ubuntu 12.04 is not able to recognize the standard c++ headers. And I am not finding a way out of this situation. Second problem: In order to make progress, I included < string.h instead of < string. But now I am facing linking errors with my message queue and pthread library functions. Here's the error that I am getting: mriganka@ubuntu:~/WordCount$ make g++ -c -g -ansi Word.cpp -o Word.o g++ -lrt -I/usr/lib/i386-linux-gnu Word.o HashMap.o main.o -o word_count main.o: In function `main': /home/mriganka/WordCount/main.cpp:75: undefined reference to `pthread_create' /home/mriganka/WordCount/main.cpp:90: undefined reference to `mq_open' /home/mriganka/WordCount/main.cpp:93: undefined reference to `mq_getattr' /home/mriganka/WordCount/main.cpp:113: undefined reference to `mq_send' /home/mriganka/WordCount/main.cpp:123: undefined reference to `pthread_join' /home/mriganka/WordCount/main.cpp:129: undefined reference to `mq_close' /home/mriganka/WordCount/main.cpp:130: undefined reference to `mq_unlink' main.o: In function `count_words(void*)': /home/mriganka/WordCount/main.cpp:151: undefined reference to `mq_open' /home/mriganka/WordCount/main.cpp:154: undefined reference to `mq_getattr' /home/mriganka/WordCount/main.cpp:162: undefined reference to `mq_timedreceive' collect2: ld returned 1 exit status Here's my makefile: CC=g++ CFLAGS=-c -g -ansi LDFLAGS=-lrt INC=-I/usr/lib/i386-linux-gnu SOURCES=Word.cpp HashMap.cpp main.cpp OBJECTS=$(SOURCES:.cpp=.o) EXECUTABLE=word_count all: $(SOURCES) $(EXECUTABLE) $(EXECUTABLE): $(OBJECTS) $(CC) $(LDFLAGS) $(INC) -pthread $(OBJECTS) -o $@ .cpp.o: $(CC) $(CFLAGS) $< -o $@ clean: rm -f *.o word_count Please help me to resolve both the issues. I searched online relentlessly for any solution of these problems, but no one seems to have encountered these issues.

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  • How to use rhythmbox-client on LAN?

    - by Kaustubh P
    A few days ago I had asked this question, and according to one suggestion, used rhythmote. It is a web-interface to change songs on a rhythmbox playing on some PC. However, its not what I had thought of, and I stumbled upon documentation for rhythmbox-client. I tried a few ways of using it, but was unsuccessful. Let me show you a few ways of how I did it. The rhythmbox is running at address 192.168.1.4, lets call it jukebox. Passing the address as a parameter Hoping that I would be able to see and browse through songs on the jukebox rhythmbox-client 192.168.1.4 But, I get this message (rhythmbox-client:8370): Rhythmbox-WARNING **: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. (rhythmbox-client:8370): Rhythmbox-WARNING **: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken. SSH ssh -l jukebox 192.168.1.4 rhythmbox-client --print-playing Which spat this at me: (rhythmbox-client:9389): Rhythmbox-WARNING **: /bin/dbus-launch terminated abnormally with the following error: Autolaunch error: X11 initialization failed. rhythmbox-client as root gksudo rhythmbox-client 192.168.1.4 A rhythmbox client comes up, but with no music shown in the library. I am guessing this is running on my own computer. Can anyon tell me how rhythmbox-client is to be run, and is it even correct of me to think that I can get a rhythmbox window showing the songs on the jukebox? PS: There were a few other solutions mentioned, but I want to evaluate each and every one of them. Thanks.

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  • XEROX Phaser 3160N installation on UBUNTU 12.04 LTE machine

    - by Greg Verrall
    I have recently had windows XP die on one of my machines, and have installed Linux UBUNTU. The OS works great, except for installing the Xerox Phaser 3160N printer. The OS can find and install the network printer, but when I print a test page, it tells me “Internal Error – Please use the correct driver”. I have the correct drivers, as your support team have sent me the link, (http://www.support.xerox.com/support/phaser-3160/file-download/enau.html?operatingSystem=linux&fileLanguage=en_GB&contentId=105724&from=downloads&viewArchived=false) but I cannot install these drivers to run the printer. These are the instructions from the online guide for installing on a Linux machine: 1. Make sure that the machine is connected to your network and powered on. Also, your machine’s IP address should have been set. 2. Insert the supplied software CD into your CD-ROM drive. 3. Double-click CD-ROM icon that appears on your Linux desktop. 4. Double-click the Linux folder. 5. Double-click the install.sh icon. 6. The Xerox Installer window opens. Click Continue. 7. The Add printer wizard window opens. Click Next. 8. Select Network printer and click Search button. 9. The Printer’s IP address and model name appears on list field. 10. Select your machine and click Next. I get as far as step 5, and step 6 never happens, if it did, it would be very easy from there. There are options to add additional software to UBUNTU, however it does not recognise the installation CD as valid when I try to add it as a source. Any ideas on who can help me? regards, Greg Verrall

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  • flickr, other account types not appearing in online-accounts

    - by Fen
    Using Shotwell, I discovered that to publish to Flickr I need to set up an online account. But the online-accounts system settings only has support for Google, Facebook, Windows Live, Microsoft Exchange and Enterprise Login (Kerberos). How do I add account types? These appear to be properly installed (dpkg-reconfigure returns silently): gnome-control-center-signon is already the newest version. account-plugin-yahoo is already the newest version. account-plugin-flickr is already the newest version. Here's the config file (I think): > cat /usr/share/applications/gnome-online-accounts-panel.desktop [Desktop Entry] Name=Online Accounts Comment=Manage online accounts Exec=gnome-control-center online-accounts Icon=goa-panel Terminal=false Type=Application StartupNotify=true Categories=GNOME;GTK;Settings;DesktopSettings;X-GNOME-Settings-Panel;X-GNOME-PersonalSettings; OnlyShowIn=GNOME;XFCE X-GNOME-Bugzilla-Bugzilla=GNOME X-GNOME-Bugzilla-Product=gnome-control-center X-GNOME-Bugzilla-Component=Online Accounts X-GNOME-Bugzilla-Version=3.4.2 X-GNOME-Settings-Panel=online-accounts # Translators: those are keywords for the online-accounts control-center panel Keywords=Google;Facebook;Flickr;Twitter;Yahoo;Web;Online;Chat;Calendar;Mail;Contact; X-Ubuntu-Gettext-Domain=gnome-control-center-2.0 History: Started out with Ubuntu (64-bit), then in 12.04 installed xubuntu-desktop and have been using that. Upgraded to 12.10.

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  • NTFS and NTFS-3G

    - by MestreLion
    I have a netbook with Ubuntu Netbook 10.04 and a desktop with Mint 10 (~ Ubuntu Desktop 10.10) Both of them have read/write NTFS partitions mounted via /etc/fstab. And it works fine. Ive read on net, google, forums, and several posts here, that NTFS-3G is the driver that allows you to have full access to an NTFS partition, that it is new, great, powerful, yada-yada. But... my entries use plain ntfs, no mention of -3g, and they still work perfectly as read and write. Am I already using ntfs-3g? Does 10.04 onwards use it "under the hood"? How can i check that in my system? Should my /etc/fstab entries should use "ntfs-3g" as the fs? Why some posts refer to mount ntfs, while others say mount ntfs-3g ? Im really confused about where should I use fs-type names (ntfs) or driver names (ntfs-3g?). Or is it irrelevant now, and ntfs is always an "alias" or something for ntfs-3g nowadays? Ive read some posts her, from Oct-10 and Nov-10 e that "announce" that ntfs-3g "finally arrived"... thats way post-Lucid 10.04. Could someone please undo this mess in my head, and explain the relation between ntfs and ntfs-3g, what is the current status (10.04 and 10.10), where should i use each, etc (regarding mount, fstab, etc)? Sorry for the long, confusing, redudant text... im really getting sleepy

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  • GTK equivalent to MS Spy++

    - by zetah
    Spy++ comes with paid version of MS Visual Studio as utility that gives you a graphical view of the system’s processes, threads, windows, and window messages. and it's not only utility on Win32 that offers this feature, but I use it as popular example. It lists all UI elements of all running applications, and user can use "Find Tool" to locate UI element of interest and get response dialog with versatile information about that object, like UI control name, text contents, and many other data of potential interest to a programmer. I'm interested in similar GTK application which can at least return GTK UI element (widget) name and extracted text contents of that element of arbitrary running process. I couldn't find anything related using Google

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  • Having problems booting xubuntu after installation

    - by lagaffenewbe
    I'm newbie with ubuntu, I tried to install ubuntu, at the beginning xubuntu work for the first upgrade to xubuntu 12.04, but after the reboot, no winxp media center ether Xubuntu won't start and I have a screen Ctrl+Alt+Del nothing else. I read a little about, maybe the sata enabled on the bios. What is the problem and can it be fixed or do I have to remove xubuntu. Partition is : 100gb xubuntu 220gb winxp I have an external drive 1 tb Thanks for the help.

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  • How do I configure postfix starttls

    - by Michael Temeschinko
    I need to install postfix on my webserver couse I need to use sendmail for my website. I only need to send mail not recieve or relay. send with starttls (port 587) via relay smtp.strato.de here is what happens Jul 15 00:02:38 negrita postfix/smtp[7120]: Host offered STARTTLS: [smtp.strato.de] Jul 15 00:02:38 negrita postfix/smtp[7120]: C717A181252: to=<[email protected]>, relay=smtp.strato.de[81.169.145.133]:587, delay=0.31, delays=0.09/0/0.16/0.04, dsn=5.7.0, status=bounced (host smtp.strato.de[81.169.145.133] said: 530 5.7.0 Bitte konfigurieren Sie ihr E-Mailprogramm fuer Authentifizierung am SMTP Server, wie auf www.strato.de/email-hilfe beschrieben. - Please configure your mail client for using SMTP Server Authentication (in reply to MAIL FROM command)) Jul 15 00:02:38 negrita postfix/cleanup[7118]: 29F5F181254: message-id=<20120714220238.29F5F181254@negrita> Jul 15 00:02:38 negrita postfix/qmgr[7102]: 29F5F181254: from=<>, size=2548, nrcpt=1 (queue active) Jul 15 00:02:38 negrita postfix/bounce[7121]: C717A181252: sender non-delivery notification: 29F5F181254 Jul 15 00:02:38 negrita postfix/qmgr[7102]: C717A181252: removed Jul 15 00:02:39 negrita postfix/local[7122]: 29F5F181254: to=<michael@negrita>, relay=local, delay=1.1, delays=0.04/0/0/1.1, dsn=2.0.0, status=sent (delivered to command: procmail -a "$EXTENSION") Jul 15 00:02:39 negrita postfix/qmgr[7102]: 29F5F181254: removed Jul 15 08:05:18 negrita postfix/master[1083]: daemon started -- version 2.9.1, configuration /etc/postfix Jul 15 08:05:29 negrita postfix/master[1083]: reload -- version 2.9.1, configuration /etc/postfix and my config michael@negrita:~$ postconf -n biff = no config_directory = /etc/postfix delay_warning_time = 4h home_mailbox = /home/michael/Maildir/ html_directory = /usr/share/doc/postfix/html inet_interfaces = localhost mailbox_command = procmail -a "$EXTENSION" mailbox_size_limit = 0 mydomain = example.com myhostname = negrita mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 notify_classes = resource, software, protocol readme_directory = /usr/share/doc/postfix recipient_delimiter = + relayhost = [smtp.strato.de]:587 smtp_sasl_password_maps = hash:/etc/postfix/sasl/passwd smtp_tls_enforce_peername = no smtp_tls_note_starttls_offer = yes smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_sasl_auth_enable = yes smtpd_sasl_security_options = noanonymous smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes soft_bounce = yes the user and password is ok couse I can send mail with my thunderbird thanks in advance mike

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