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• How can I connect my HP Photosmart C3100 printer in 10.04 (regression from 9.x)

  - by Brian

  My printer was working under 9.x. It is a an HP Photosmart C3100 series. When I open Admin-Printing no local printers are found. I try to add via Other (My local choices are Serial and other). I have tried many url's - ipp://localhost:631/ipp, http://localhost/ipp, localhost, 127.0.0.1, etc... None have worked. Under the networked I have tried JetDirect, using localhost and 127.0.0.1 and port 631. I have tried many options under IPP with different variants in the host trying to verify a printer. No luck .I tried LPD/LPR with localhost and tried the probe. no luck. I tried the cups admin via localhost:631 and that didn't work. On the old version its simply found the local printer, I might have picked the driver, I can't remember but it was the photosmart c3100 series that was working.I just can't get 10.04 to print.

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• TCP port are filtered in VirtualBox

  - by iUngi

  I'm running Ubuntu using VirtualBox to test a server application, but I couldn't get it work the communication. I used nmap to check whether the port is open or not: nmap -T4 -n vbip -p 30000 Host is up (0.00061s latency). PORT STATE SERVICE 30000/tcp filtered unknown when I'm checking the port inside the VirtualBox, than the port is open Host is up (0.00061s latency). PORT STATE SERVICE 30000/tcp open unknown I'm using bridge connection, does the VB filter the ports?

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• The best AutoCAD 2010 Ubuntu alternative?

  - by onvas

  I'm looking for the best AutoCAD 2010 alternative for Ubuntu. Wine's support for the 2010 version isn't polished so I'm looking for Linux based similar programs. I know that this can be subjective so I'd like to know what's the best Ubuntu alternative which has the most similar, and significant features as that of AutoCAD 2010? I'm not familiar with the program because I'm researching this for my sister who is studying Aeronautical Engineering. Any help is appreciated. I'm using 12.04 64-bit on my ThinkPad R61i with 3.8GB memory and 160GB hard drive.

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• Microphone crackling in Ubuntu 12.04

  - by Tomas

  I am not very experienced in linux and have this problem with microphone which works fine on Windows. Microphone is external one and when listening to recorded sound (both Sound Recorder and Skype Echo Test) you can hear crackling noise. I fixed output crackling by replacing load-module module-hal-detect with load-module module-hal-detect tsched=0 in /etc/pulse/default.pa but I have no idea how to fix input. Hardware info: Card: HDA ATI SB Chip: Realtek ALC272X Thanks for help!

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• Grub errors during UEFI dual boot for Windows 8 (can't find command 'drivemap')

  - by luca-mastro

  I have got a newly bought ASUS N56V with Windows 8 preinstalled. I needed to install Ubuntu so i partitioned the disk and after having disabled the Secure Boot option from Windows 8 i successfully installed Ubuntu 12.10 from a Live USB. The problem is that if i try to access both to Windows 8 (loader) and Windows Recovery System (loader) from the GRUB menu, these two errors show: can't find command 'drivemap' and invalid EFI file path and it goes back to the grub menu. In conclusion I do not have access to my Windows 8 partition but can only use Ubuntu. How can I solve the problem? I am pretty new to the matter. Thank you!

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• What folder is this code signifying?

  - by clifgray

  I am trying to install OpenNi on ubuntu and have found some decent looking instructions but I am not sure what I need to do for this one specific case. Here are the instructions and here is the line that is tripping me up: cd OpenNI/Platform/Linux/CreateRedist/ chmod +x RedistMaker ./RedistMaker cd ../Redist/OpenNI-Bin-Dev-Linux-x64-v1.5.2.23/ sudo ./install.sh I don't know what folder the cd ../Redist/OpenNI-Bin-Dev-Linux-x64-v1.5.2.23/ line is talking about and can't find it anywhere. Does anyone know what this is?

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• Apps capable of mounting/unmounting CD/DVD Images with multi-sector or protected format

  - by Luis Alvarado

  What apps for Ubuntu exist that can mount/unmount CD/DVD images. Image formats like cue, bin, iso, nero format, etc... Needed features: Emulate protected CD/DVD like Daemon-Tools Mount multi-sector images Converting other formats (including multi-sector images) to ISO format. UPDATE - Updated question to "need the 3 features above instead of having them as optional". This 3 features are needed to be able to use images that have any of this features enable. For normal mounting/burning image apps you can see here: How can I graphically mount ISOs? Can I mount an ISO without administrative privileges? How burn or mount an ISO file?

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• Grep in a variable

  - by Ashfame

  How to do a grep in a variable? I have stored the wget output in a variable and I need to extract out some strings from it. Like the content of the variable is upgrade http://wordpress.org/download/ http://wordpress.org/wordpress-3.0.5.zip 3.0.5 en_US 4.3 4.1.2 I need to check if the string contains the word upgrade, so I can do a simple grep and then check the exit status of it by $? and proceed. But how can I get the value 3.0.5 which is actually the fourth word? And how to actually grep in a variable?

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• how to debug upstart scripts?

  - by poolie

  For some reason I'm getting an error during apport upgrades, the cause of which is % sudo service apport start start: Job failed to start Under sysvinit, I could debug this kind of problem by running eg sudo sh -x /etc/init.d/whatever start but that doesn't seem to map over to upstart. What should I try next? update: it turns out there is a workaround that will let the install proceed. But I'm still interested in the general question of how you would trace the script.

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• How do I set up my Ubuntu Server to let my Mac connect with FTP?

  - by Dolphin

  I have a server running Ubuntu Server 10.04, and I installed vsftpd on it. Now, I am able to connect to it with only one program which is for windows only (bleh) The program is WinSCP. I cannot connect to the server with any other application, such as the Ubuntu connect to server, Mac connect to server, FileZilla, Web Browser, or anything that is not WinSCP. I need to be able to connect with other applications because I mainly use a Mac to manage the server. I don't want to install wine on my Mac.

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• team viewer 8 beta wont run

  - by Conner Jones

  I installed team viewer 7 and then one of my friends using windows got version 8 so I installed the beta of version 8 for linux. When I try to run it for terminal I get these errors i atempted to do as the comment bellow said and when trying to run teamveiwer i stil got an error conner@DemonicGrace:~$ teamviewer Init... Checking setup... Launching TeamViewer... wine: cannot find L"C:\windows\system32\winemenubuilder.exe" err:wineboot:ProcessRunKeys Error running cmd L"C:\windows\system32\winemenubuilder.exe -a -r" (2) err:winedevice:ServiceMain driver L"MountMgr" failed to load err:secur32:SECUR32_initSchannelSP libgnutls not found, SSL connections will fail fixme:heap:HeapSetInformation (nil) 1 (nil) 0 fixme:ole:CoInitializeSecurity ((nil),-1,(nil),(nil),0,3,(nil),0,(nil)) - stub! fixme:heap:HeapSetInformation (nil) 1 (nil) 0 fixme:process:SetProcessShutdownParameters (00000100, 00000000): partial stub. fixme:resource:GetGuiResources (0xffffffff,0): stub fixme:win:EnumDisplayDevicesW ((null),0,0x32df64,0x00000000), stub! fixme:win:EnumDisplayDevicesW (L"\\.\DISPLAY1",0,0x32dc1c,0x00000000), stub! fixme:win:EnumDisplayDevicesW ((null),1,0x32df64,0x00000000), stub! please help me out if anyone has ideas im more than willing to listen

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• How to reduce the size of a pdf file?

  - by Nicole

  I'm looking for a way in Ubuntu to reduce the size of a pdf (by reducing the quality of the images). I know that this can be done in Ghostscript by typing the following command in terminal: gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf The problem is that I can't specify the quality with any accuracy. The parameter -dPDFSETTINGS=/screen is the one that decides the quality; but the alternatives are quite rigid (for example it is possible to do -dPDFSETTINGS=/ebook for slightly better quality). I'm looking for a way to reduce the size of a pdf in a way that allows me to specify the desired quality numerically. I know that this is possible in a Mac, so it must be possible in Linux -- right? Any help would be well appreciated.

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• Simple multi-seat

  - by Oli

  I've asked about multiseat before. The answer (for 10.04) involved doing it the proper way (eg through gdm, multiple server layouts). The problem was that gdm needs to be patched or reverted to 2.20 for multiseat. It's an ugly hack that, worse than anything, will hold up future updates. As a result, I didn't do anything. I still have a spare video card. I still have the monitor, keyboard and mouse all sitting waiting to jump into action. And I still want to be able to turn that into a simple desktop. My needs don't seem complicated. I have a second video card, a USB hub and anything connected to that USB hub that I want to be dedicated to another X server. I don't need a login screen (I'm happy hard-coding in a auto-login and I'd be happy with the user starting the X server if that's possible). This is so simple in my head that I only need two questions: How can I explicitly start an X server from the command line on an unused video adapter (by passing it whatever configuration I need to)? Can I have this new X session load a desktop environment on load? This seems like something you should be able to write in a little upstart script within 10 minutes. That would be perfect for me as then I'd have a nice start/stop control over the secondary desktop from the main desktop (that I want to leave unscathed!) I'm thinking something as simple as this for the payload: su -u other_user -c "startx -- localhost hardware-information" And use .xinitrc to load openbox or something...

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• Can't run minecraft on ubuntu 12.04 lts [duplicate]

  - by user170011

  This question already has an answer here: How to correctly install and troubleshoot Minecraft (Client) 3 answers I was trying to run minecraft on my laptop with ubuntu 12.04 lts 64 bit. I have a lenovo ideapad p580 with 7.7 Gb and an Intel® Core™ i7-3520M CPU @ 2.90GHz × 4 processor. Under the graphics section of the system overview in ubuntu it says I have none installed. My computer comes with and nvidia geforce graphics card but it isnt recognized. When I start minecraft I get this crash report. ---- Minecraft Crash Report ---- // Shall we play a game? Time: 24/06/13 7:23 PM Description: Failed to start game org.lwjgl.LWJGLException: Could not init GLX at org.lwjgl.opengl.LinuxDisplayPeerInfo.initDefaultPeerInfo(Native Method) at org.lwjgl.opengl.LinuxDisplayPeerInfo.<init>(LinuxDisplayPeerInfo.java:52) at org.lwjgl.opengl.LinuxDisplay.createPeerInfo(LinuxDisplay.java:684) at org.lwjgl.opengl.Display.create(Display.java:854) at org.lwjgl.opengl.Display.create(Display.java:784) at org.lwjgl.opengl.Display.create(Display.java:765) at net.minecraft.client.Minecraft.a(SourceFile:235) at avv.a(SourceFile:56) at net.minecraft.client.Minecraft.run(SourceFile:507) at java.lang.Thread.run(Thread.java:679) A detailed walkthrough of the error, its code path and all known details is as follows: -- System Details -- Details: Minecraft Version: 1.5.2 Operating System: Linux (amd64) version 3.5.0-34-generic Java Version: 1.6.0_27, Sun Microsystems Inc. Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Sun Microsystems Inc. Memory: 406175448 bytes (387 MB) / 514523136 bytes (490 MB) up to 1908932608 bytes (1820 MB) JVM Flags: 2 total; -Xmx2048M -Xms512M AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Suspicious classes: No suspicious classes found. IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 LWJGL: 2.4.2 OpenGL: ~~ERROR~~ NullPointerException: null Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Texture Pack: Default Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null I can run it on different versions of linux such as fedora.

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• unzip can't work well?

  - by sgsheg

  Things like this, my friend send me a package named qcon.zip with his Mac pc. I use ubuntu system,when I use the command to unzip the folder,I found something was wrong.I check the permission,and use another soft named 7z,but it can't work now. when i use the command unzip qcon.zip unzip qcon.zip -d test/ it returns me that: unzip: cannot find or open ”-O, ”-O.zip or ”-O.ZIP. So after install 7z,the command I use , Error: qcon.zip: Can not open file as archive --add the command file--- file qcon.zip it returns qcon.zip: Zip archive data, at least v1.0 to extract So,what can I do now,the folder permission is right.

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• Synonyms for different languages in LibreOffice Writer? [closed]

  - by cipricus

  Possible Duplicate: How do I add English-UK thesaurus in LibreOffice? When setting a text for English US the context menu contains 'Synonyms' This is not the case for the other languages for which I have the spelling installed (English UK, French etc) Can I have the Synonyms option for UK English too, for example? Even that is a problem although there seems to be solutions around for it. Here, for example, (which is a link to here) but after testing it cannot see synonyms for uk. Also this which was reported as a solution is not working anymore it seems. What about other languages? (Please notice that this question is not just about English-UK. I have initially noticed that 'synonyms' where missing in relation to British, but I am asking about how to solve the issue in general or, when there is no general solution, how to solve it on a case-by-case basis. For the meta consequence of all this, involving the issue of it being a duplicate, see comments under here and this question.)

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• Partition Configuration to avoid reinstalling applications after update

  - by nightcrawler

  The major bane when I update Ubuntu (which is way more frequent than Windows) is that I lose all installed application. To be precise I do a lot of Maple, Matlab, Geogebra & for all of those I install Java platform which too isnt very straightforward plus the license management things, which really give me craps. I don't install application in /home (to be made available to all users) thus a separate /home partition is meaningless. Can we circumvent this problem somehow such that Java dependent applications along with JDK doesn't blow away after update, may be by a separate partition (just like /home) where only custom (other than provided by Ubuntu Software Center) install application resides Further: I use specific binary of Java (Java6 update 32), its an important requirement for me, thus I don't want to let it crash/overwritten or similar

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• How can I determine whether a shellscript runs as root or not?

  - by EvilPhoenix

  This is something I've been curious about. I make a lot of small bash scripts (.sh files) to do tasks that I routinely do. Some of those tasks require everything to be ran as superuser. I've been curious: Is it possible to, within the BASH script prior to everything being run, check if the script is being run as superuser, and if not, print a message saying You must be superuser to use this script, then subsequently terminate the script itself. The other side of that is I'd like to have the script run when the user is superuser, and not generate the error. Any ideas on coding (if statements, etc.) on how to execute the aforementioned?

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• I cannot remove/install software some dependency issue?

  - by Ryuzaki

  I'm having difficulty trying to install/uninstall applications in Ubuntu 12.04 LTS. I have this warning error that appears on my desktop in the form of a red icon with a line through it and it states: An error occurred, please run Package Manager from the right-click menu or apt-get in a terminal to see what is wrong. The error message was: 'Error: BrokenCount 0' — This usually means that your installed packages have unmet dependencies. I tried to repair automatically through ubuntu software center and I kept getting errors or it just didn't seem to work. Afterwards, I opened terminal and used sudo apt-get check command to see what the problem was and the results yielded: Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: libjack-jackd2-0 : Breaks: libjack-jackd2-0:i386 (!= 1.9.8~dfsg.1-1ubuntu1) but 1.9.8~dfsg.2-1precise1 is installed libjack-jackd2-0:i386 : Breaks: libjack-jackd2-0 (!= 1.9.8~dfsg.2-1precise1) but 1.9.8~dfsg.1-1ubuntu1 is installed E: Unmet dependencies. Try using -f. After I ran sudo apt-get -f install (in an attempt to fix the issue at hand), I encountered the following errors/code: okudaira@haru-kano:~$ sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: libjack-jackd2-0 Suggested packages: jackd2 The following packages will be upgraded: libjack-jackd2-0 1 upgraded, 0 newly installed, 0 to remove and 24 not upgraded. 1 not fully installed or removed. Need to get 0 B/197 kB of archives. After this operation, 3,072 B of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 181702 files and directories currently installed.) Preparing to replace libjack-jackd2-0 1.9.8~dfsg.1-1ubuntu1 (using .../libjack-jackd2-0_1.9.8~dfsg.2-1precise1_amd64.deb) ... Unpacking replacement libjack-jackd2-0 ... dpkg: error processing /var/cache/apt/archives/libjack-jackd2-0_1.9.8~dfsg.2-1precise1_amd64.deb (--unpack): './usr/share/doc/libjack-jackd2-0/buildinfo.gz' is different from the same file on the system dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Errors were encountered while processing: /var/cache/apt/archives/libjack-jackd2-0_1.9.8~dfsg.2-1precise1_amd64.deb localepurge: Disk space freed in /usr/share/locale: 0 KiB localepurge: Disk space freed in /usr/share/man: 0 KiB localepurge: Disk space freed in /usr/share/gnome/help: 0 KiB localepurge: Disk space freed in /usr/share/omf: 0 KiB Total disk space freed by localepurge: 0 KiB E: Sub-process /usr/bin/dpkg returned an error code (1) The real problem I'm having is interpreting what is being stated. I'm fairly new to the ubuntu experience so I'm not very well-versed with the terminology and the entire in's and out's. Can someone tell me what's wrong with my system? I can no longer install/remove any programs at all.

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• How to save terminal history manually?

  - by wim

  It's my understanding that the history file is updated when the terminal exits. But sometimes my computer crashes out, and the terminal doesn't exit cleanly, and then I lose those commands from my history which is annoying. How can I make it flush immediately, so that the entries still go there even if my computer has a meltdown? At the moment I'm using this workaround, but I feel there should be a better way. I'm using gnome-terminal on Ubuntu 12.10.

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• U1 Music Streaming: Is it possible to have album cover art for OGG files?

  - by Will Daniels

  Just started trying out the U1 music streaming service and so far very pleased. The one issue I have that could be a deal-breaker when it comes time to pay up is that half of my collection is OGG Vorbis and I cannot find a way to show album art for OGG files. I already tried adding a cover.jpg to the folder and embedding the image via easyTAG (works for MP3 but not OGG). Does anybody have a solution besides transcoding them all to MP3? Will this likely be supported in future?

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• My user can't upload files to folders owned by www-data

  - by Thomas Gautvedt

  I think I have screwed up my permissions in Ubuntu. I am using my server to run PHP. I recently ran across a problem where PHP could not create directories in the var/www-directory, so I searched around on the internet. Now PHP can write and access anything like it should, but as a user, I can't create new folders or files anymore. Right now, the permissions for folders are like this: drwxrwsr-x 2 www-data www-data [Folders] This is the permissions when I upload using sftp: -rw-rw-r-- 1 gautvedt www-data [Folders] What have I done wrong and how can I change this?

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• Ubuntu 10.10 USB drive not showing

  - by Ben

  USB is detecting but not showing the drives or mount details. Nothing there inside my /media folder and /mnt folder. I already enabled automatic mount and give privilege to user also. My sudo fdisk -l shows like: Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000d3ba7 Device Boot Start End Blocks Id System /dev/sda1 * 1 29637 238053376 83 Linux /dev/sda2 29637 30402 6142977 5 Extended /dev/sda5 29637 30402 6142976 82 Linux swap / Solaris Any idea?

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• Ubuntu doesn't find hdds with higher clock rates

  - by user136243

  I dual boot windows 7 64-bit and ubuntu 13.10 64-bit on separate disks, and utilize some overclocking from the BIOS. Windows works fine, however ubuntu can't seem to find any hard drives, except for at stock cpu speeds. While attempting to boot it says Gave up waiting for root device... and ALERT! /dev/sdb7 does not exist. Dropping to shell! A bootable usb stick still works, but gparted doesn't detect any other drives. Have tried: Boot-repair Changing SATA mode in BIOS Newer kernels Older ubuntu versions Not sure it's relevant, but the motherboard is a Gigabyte GA-A75M-UD2H with the newest BIOS version, the CPU an AMD Llano. This is hardly a fatal error, but it's inconvenient to change BIOS settings whenever I want to switch OS, and furthermore I'm quite curious about why it won't work. I'd appreciate any insight into what the actual problem is. So how can I resolve this issue ?

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• My cpus are powered down periodically

  - by mgiammarco

  I post here because I am using Ubuntu but this is probably an hardware problem. Since I bought my new setup with AMD Athlon(tm) II X4 635 Processor and asus m4a89td pro/usb3 motherboard with ecc ram I have stuttering on videos. I was using ubuntu 11.10 now ubuntu 12.10. Looking at syslog I have found that periodically (I notice only on videos but it happens always) this thing happens: Mar 6 23:36:42 virtual1 kernel: [28564.375548] smpboot: CPU 1 is now offline Mar 6 23:36:42 virtual1 kernel: [28564.380751] smpboot: CPU 2 is now offline Mar 6 23:36:42 virtual1 kernel: [28564.394947] smpboot: CPU 3 is now offline Mar 6 23:36:48 virtual1 kernel: [28569.917021] smpboot: Booting Node 0 Processor 1 APIC 0x1 Mar 6 23:36:48 virtual1 kernel: [28569.928015] LVT offset 0 assigned for vector 0xf9 Mar 6 23:36:48 virtual1 kernel: [28569.928372] [Firmware Bug]: cpu 1, try to use APIC500 (LVT offset 0) for vector 0x400, but the register is already in use for vector 0xf9 on another cpu Mar 6 23:36:48 virtual1 kernel: [28569.928378] perf: IBS APIC setup failed on cpu #1 Mar 6 23:36:48 virtual1 kernel: [28569.931305] process: Switch to broadcast mode on CPU1 Mar 6 23:36:48 virtual1 kernel: [28569.934255] smpboot: Booting Node 0 Processor 2 APIC 0x2 Mar 6 23:36:48 virtual1 kernel: [28569.945554] [Firmware Bug]: cpu 2, try to use APIC500 (LVT offset 0) for vector 0x400, but the register is already in use for vector 0xf9 on another cpu Mar 6 23:36:48 virtual1 kernel: [28569.945558] perf: IBS APIC setup failed on cpu #2 Mar 6 23:36:48 virtual1 kernel: [28569.948124] process: Switch to broadcast mode on CPU2 Mar 6 23:36:48 virtual1 kernel: [28569.949644] smpboot: Booting Node 0 Processor 3 APIC 0x3 Mar 6 23:36:48 virtual1 kernel: [28569.960838] [Firmware Bug]: cpu 3, try to use APIC500 (LVT offset 0) for vector 0x400, but the register is already in use for vector 0xf9 on another cpu Mar 6 23:36:48 virtual1 kernel: [28569.960840] perf: IBS APIC setup failed on cpu #3 Mar 6 23:36:48 virtual1 kernel: [28569.962953] process: Switch to broadcast mode on CPU3 I have: updated bios; tried all (really) bios options; changed ram; changed psu and cpu cooler; tried 3.8.1 kernel. What can I do now? Please help me! Thanks, Mario

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