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• Installing maven on Ubuntu by manual download

  - by WebDevHobo

  To install Maven, I downloaded the latest version from the website and then followed these steps: http://maven.apache.org/download.html#Installation The last step, the version control, does not work. It says that 'mvn' is currently not installed and that I should type sudo apt-get install maven2 If I go directly to the mvn file itself, it does work: root@ubuntu:~# /usr/local/apache-maven/apache-maven-2.2.1/bin/mvn --version Apache Maven 2.2.1 (r801777; 2009-08-06 12:16:01-0700) Java version: 1.6.0_21 Java home: /usr/java/jdk1.6.0_21/jre Default locale: en_US, platform encoding: UTF-8 OS name: "linux" version: "2.6.32-25-generic" arch: "i386" Family: "unix" So, what am I doing wrong here? Or what would and apt-get install do extra that I might have forgotten?

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• How to maintain a SSD drive on Ubuntu ?

  - by Julien Nicoulaud

  I am running Ubuntu 10.04 on a Intel X25-M PostVille 160 Go SSD drive. How can I tell if there's something wrong ? What should/can I do to maintain its performance/health ? Should I use TRIM and how often ? This may look as a duplicate of this question, but I am more asking in term of good practices and learning how to use this new technology the right way...

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• On freenode, how do I keep NickServ from messaging me when I log in?

  - by Matthew

  I have Empathy set to run whenever I log in to Ubuntu. As soon as Empathy connects to freenode, I get these messages: This nickname is registered. Please choose a different nickname, or identify via /msg NickServ identify . You are now identified for [my name]. This is pretty annoying, since Empathy handles identification for me anyway. Is there any way to keep this from happening?

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• Ubuntu 10.04 says wired network disconnected, but it works

  - by mistily

  I've installed ubuntu 10.04, hoping to get rid of the 9.10 errors. (Nvidia driver didn't work quite properly, had some problems with clicking in flash, and I had -and still have- wired network working, but ubuntu said that it's disconnected) So the Nvidia driver is better now, but the network error is the same. I still have a working wired network connection, but when it starts says that it is disconnected. Notification area tells me the same thing. Why is that?

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• Dual-booting Windows 7 and Ubuntu

  - by CFP

  Hello everyone, I've just received my Dell Studio 17 laptop, which comes with Windows 7 x64 preinstalled. I'm having quite a hard time installing ubuntu on it. First of all, here is how I partitioned the drive using GPartEd: |==Dell utility partition==|==Dell Recovery partition==|==Windows 7==|[==Ubuntu==|==Data partition==]| Where [] denotes an extended partition. Here are the steps I completed: I used GParted to create this structure, keeping windows 7 installed I booted ubuntu LiveCD, and installed it on the right partition I let it install grub automatically I rebooted intu ubuntu I went back to windows 7, no problems I then rebooted. Grub was gone. I used Super Grub Disk to restore grub, it didn't work. I tried to boot into ubuntu from supergrubdisk, but grub couldn't fint the boot folder I then reinstalled ubuntu, went through the same steps, but there SGD did boot my ubuntu I reverted to the previous version of grub, and installed it on my hard drive It worked, but trying to boot win7 got me the "No MBR, press Ctrl+Alt+Del to reboot" error I used the windows 7 cd to restore the MBR (the auto wizard didn't work, had to rebuild the mbr from command line Now Ubuntu is gone. 7 works fine I read a lot about this, and realized that many people could simply not boot win7 again after encountering this problem. Now I'd like to restore GRUB, but I really won't go through the hassle of doing a full new cycle of installing/reinstalling everything again. Is there a GRUB guru around, to provide me with a detailed guide to not screwing everything up once again? Thanks a lot!

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• How do I uninstall ruby 1.9 from /usr/local under Ubuntu 10.04?

  - by Thierry Lam

  I believe when I upgraded to Ubuntu 10.04 from 9.10, ruby 1.8 and 1.9 were installed under /usr/bin. However, I had a previous installation of Ruby 1.9 under /usr/local/bin. How do I remove the one from local under Ubuntu 10.04?

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• Grub os-probe showing deleted Windows installation

  - by Sanjay

  I recently purchased a Dell Vostro notebook with Ubuntu Netbook edition 10.04 pre-installed. I tried adding a partition and installed Windows XP but it didn't work out due to too many partitions in the system already. Now I have restored the laptop to factory setting using Dell Utility partition and the Windows partition is completely deleted, however my grub2 still shows Windows on /dev/sda2 sudo os-probe Microsoft Windows XP Professional (on /dev/sda2) Any ideas how to remove it from grub? I know I can remove /etc/grub.d/30_os-probe but I am more interested in why os-probe is showing the deleted partition.

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• All network devices freezing when Airport Extreme Base Station is connected. Any ideas?

  - by Jon

  I've been troubleshooting this issue for a while, and through a series of events have it narrowed down to my airport extreme base station. I like this router, since I'm able to connect to IPV6 sites without any insane configuration (my alternate router is too old and doesn't support v6). My question is: Has anyone else had this issue, if so how is it resolved? If not, can you recommend a good IPv6 router? Here is how I came to the conclusion that it is the router: Devices: XBOX 360, HTC Incredible, Home-Built machine running FreeBSD, Home-Built machine running Ubuntu 10.04. 1.) Noticed freezing on Ubuntu Box. 2.) Noticed freezing on XBOX360 3.) Noticed freezing on HTC Incredible (only when connected to my network wirelessly). The above all happened at random times throughout the past few weeks. Over the last few days, I was playing XBOX and noticed that the XBOX and Ubuntu machines both froze. I picked up my phone, and it was also frozen. I reset all devices, power-cycled my router, and all was fine again. About two hours later, it happened again (I was playing Forza III, the XBOX froze; I went to the Ubuntu box and it was frozen; unfortunately, the HTC phone was not connected wirelessly, and the FreeBSD box was turned off). I can't even begin to imaging what a router could be doing to freeze devices with such differing hardware/software/OS, and I feel absurd for coming to this conclusion, but I have nothing else. I hooked up my archaic Netgear router, and have had no problems since. :(

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• Ubuntu 10.04 bind9 local zone include files and apparmor

  - by Gilgongo

  Rather than putting all my zones in one named.conf.local file, I'd like to have them in groups that I can manage as separate files. So, I've tried putting the following into named.conf.local: include "/home/zones/group1.conf"; include "/home/zones/group2.conf"; include "/home/zones/group3.conf"; However, when I restart named, I see "permission denied" errors in the logs. Ubuntu uses apparmor for bind, so I also added the following in /etc/apparmor.d/usr.sbin.named: /home/zones/group1.conf r, /home/zones/group1.conf r, /home/zones/group1.conf r, Now, when I re-start named, all appears to be well. Zones are loaded (I think). However, a day or two later, I see my secondary name server complaining that the primary is telling it that it's not authoritative for those domains. I then have to put all the domains back into the named.conf.local file again. How can I get bind9 to use include files in this way? I don't know much about apparmor, so that may or may not be the issue here, but I've used include files in this way on Debian OK.

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• How could I resolve the following configuration on airport express?

  - by poz2k4444

  I've tried to configure my airport express in order to make a private network and also get access to internet, the thing is my linksys just has broken and all I have is the airport express, I've managed my DHCP to provide IP directions, but the internet connection is not working, is it something with the NAT?? or how can I access internet with my configuration, if the airport is reset to factory settings everything works fine, so, what is the problem?? My computer is going to be DHCP and DNS server

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• Ubuntu 11.04: No Audio Output

  - by Jason George

  I installed a fresh copy of Ubuntu 11.04 earlier this week and I'm having trouble getting my audio online. It was working fine in 10.04 and all the resources I can find on troubleshooting seem to be fairly dated so I'm not sure if they apply. CMI8788 [Oxygen HD Audio] Analog Stereo Duplex Playing a WMA file shows 0.00db output when I mouse over the sound controller in the status bar. Obviously, no output from my speakers. I tried adjusting the profile, thinking I might have the wrong one. That seems to have made things worse. Where mouse over originally said something along the lines of "Oxygen HD Audio," it now reads "Dummy Output." Selecting "Test Speakers" in sound preferences crashes the dialog. Any pointers would be great.

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• Nvidia restricted driver = invisible menus when using VNC

  - by Fred Hamilton

  I'm installing 9.04 on an HTPC, so I will often VNC in to work on it from my laptop. After the initial install, I updated everything, and it all went fine. I was able to VNC using Ubuntu's built-in "Remote Desktop" with no problems. I then installed the 180.xx restricted nvidia drivers and rebooted. Everything worked fine on my TV, but when I VNC'd into it, all I could see was the background and title bar. When I'd pull down a menu, the menu was visible on the TV but not over the VNC link. I assume that means the GUI was now using some sort of overlay for the menus, which is fine, but what's the best way to make them visible over VNC? Clarification: I know I can turn off all visual effects and solve the problem, but I'm looking for a way to see the menus over VNC while keeping the GUI pretty...

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• Can't re-open "Group My Tabs" page after killing Firefox

  - by isomorphismes

  Due to memory problems I closed Firefox whilst the Group My Tabs (Ctrl+e) feature was displaying the multiple tab groups. After 20 minutes the process still hadn't finished so killall firefoxed it. When I restart Firefox, there is a Javascript process called tabview.js that hangs unless I click Stop at the warning screen. If I do hit Stop then I can no longer open the tabview, so I can't get to any of the tabs except in the subgroup I was last looking at. Any suggestions?

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• Configuring Nagios BGP plugin on Ubuntu

  - by user141610

  I am trying to configure nagios check_bgp_neighbors plug-in on Ubuntu and followed README file of check_bgp_neighbors plug-in. I have made following changes: define command{ command_name check_bgp_all command_line $USER1$/check_bgp_neighbors -H $HOSTADDRESS$ -C $USER3$ -n $ARG1$ -n $ARG2$ } to define command{ command_name check_bgp_all command_line /usr/local/nagios/libexec/check_bgp_neighbors.sh -H xx.xx.xx.49 -C xx.xx.xx.50 And define service{ use server-service hostgroup_name svc-bgp1 service_description BGP Check 1 check_command check_bgp_all!10.0.0.1!172.16.0.2 } to define service{ use generic-service hostgroup_name svc-bgp1 service_description BGP Check 1 check_command check_bgp_all!xx.xx.xx.50 } xx.xx.xx.49 is the IP of the host router and xx.xx.xx.50 is the IP of eBGP neighbour. After that it shows critical status. I know my command is not correct but cannot detect the problem. I learned that in this plug-in user-name and password of the host router are required but don't know how and where to provide it. Nagios log does not show any error message. Status information: Failed: status:0 prefixes:0 sent:0 received:0

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• Ubuntu won't boot, only displays GRUB terminal

  - by Badea Sorin

  I have a problem with my Ubuntu 11.04 installation. I've installed Ubuntu 11.04 from Windows, it worked fine for days, but today it won't boot. When I start the machine, GRUB loads. There is the Windows 7 loader, I select Ubuntu from there and after that, I should see the Ubuntu GRUB menu, where I'd select the mode to boot Ubuntu. However, I can't see that anymore. I directly get to a GRUB terminal. Can anyone help me with this? How would I recover my data or reset the boot loader?

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• After upgrade to Lucid, computer doesn't respond to clicks or pressed keys until X restart

  - by Victor Stanciu

  I upgraded to Lucid today, and after the update the display is "frozen". I can move the cursor, but I cannot click on anything, nor does it respond to any keys. The only way to fix it is to SSH into the machine (which, by the way, works just fine), and kill and start X. Then I'm taken back to the login screen and everything works. This happens every time I boot. Let me know if there are more details that I can provide.

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• Hardware issue, bsod with windows xp irq and strange messages with ubuntu

  - by JP Hellemons

  I have an old Acer T160 and it used to run Windows XP. But I keep getting random BSOD's. I keep seeing IRQ conflicts. I tried to run ubuntu, which runs and keeps running. But sometimes is not responding. Also there are these popups at ubuntu 12.04 that my network cable (which is onboard) is unplugged. But I have no cable in it! and have an usb dongle for wifi. which also seems unstable. have to (auto)reconnect sometimes. So my question is: is it my mobo, power supply or something else? FYI: I had an dvd-rw station which did not open properly, so unplugged the ata and power, als removed the second harddrive. now only have sata harddrive. also removed the extra video card (ati sapphire x1600 pro) so use only onboard video now and still have these issues. EDIT Update: will try with a new PSU (power supply unit of 400watt) the old (factory) one was 300watt. and will use a usb drive which has 12.04 ubuntu on it (made with unetbootin) to format everything and re-install ubuntu. (so also delete mbr partition) will update the day after tomorrow.

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• Ubuntu 10.04 live cd keyboard problem.

  - by Octa

  Today I downloaded the Ubuntu 10.04 x64 .iso but when trying it out in live cd the keyboard of both my laptop and a microsoft branded one didn't work. I was planning into installing Ubuntu in a partition but I couldn't even put my info in the installation process to do it. Is this a problem with the .iso or the driver? because I'm afraid that if I can actually go ahead with the installation then the keyboard won't work after that too.

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• Installing 64-bit Ubuntu Server 12.04 LTS, on a VM with VMWare Player, on a 64-bit Windows 7 PC

  - by WannaBeAGeek

  I'm trying to create a VM, using VMWare Player, with an ISO image of Ubuntu Server 12.04 (LTS). The machine I'm doing the installation on has an Intel(R) Core(TM) i5 CPU, and runs 64-bit Windows 7 I managed to create the VM (gave username, password, configured network etc), but I can't install Ubuntu Server. First I get this alert : Binary translation is incompatible with long mode on this platform. Disabling long mode. Without long mode support, the virtual machine will not be able to run 64-bit code. For more details see http://vmware.com/info?id=152. When I click OK, I get another alert : This virtual machine is configured for 64-bit guest operating systems. However, 64-bit operation is not possible. This host supports Intel VT-x, but Intel VT-x is disabled. Intel VT-x might be disabled if it has been disabled in the BIOS/firmware settings or the host has not been power-cycled since changing this setting. (1) Verify that the BIOS/firmware settings enable Intel VT-x and disable 'trusted execution.' (2) Power-cycle the host if either of these BIOS/firmware settings have been changed. (3) Power-cycle the host if you have not done so since installing VMware Player. (4) Update the host's BIOS/firmware to the latest version. For more detailed information, see http://vmware.com/info?id=152. Then, when I click OK, my VM exists, and I get back to the VMWare Player home screen. I don't know much about hardware and virtualisation, so there might be some necessary info I'm not giving. Please don't hesitate to let me know what is missing in my post, for finding solutions. Thanks :)

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• Storing secure keys on Ubuntu web server

  - by Sencha

  I'm running Ubuntu 12.04 Precise with a DUNG (Django, Unix, Nginx & Gunicorn) environment and my app (as well as various config files) is stored in a python virtual environment inside /srv, which the www-data user has access to. The nginx & gunicorn processes are all run as www-data. My web app requires secure credentials which I am storing in an environment.sh file. This file contains various exports and is run using source before the gunicorn processes execute. My concern is the location of the environment.sh file and it's permissions. Will it be okay storing this file inside the /srv folder where the www-data has access to it? Or should it be stored and owned by root somewhere else such as /var/myapp/environment.sh? Also, regarding the www-data user, if any of my web processes (which are run as www-data) are compromised and someone gains access to them, does that mean that the user could potentially read any file on the system, even if they can't write? Including my secure keys?

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• gparted dont figure any partition

  - by radi

  hi all , i am trying to install ununtu 10.04 lts on my laptop , first i installed it inside windows and when it boot for first time i got the error message "dont find root file system , try partition table to fix the problem " . and when i want to install it on a single partition (normally) and when it told me to chose a partition i dont find any partition (entire disk) . i have 2 primary partitions and 3 logical partitions . please help me thanks .

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• configuring apache with mod_mono for .net app

  - by Mystere Man

  I'm having a huge problem getting mod_mono and apache configured to work correctly. I've had this working at one time, but I can't seem to figure out where i'm going wrong. I'm using mono-server4. I'm trying to use a seperate port from the main website. So I have in /etc/apache2/sites-available (with a link from sites-enabled) a vhost configuration that looks like this: <VirtualHost *:9999> ServerName XXX ServerAdmin web-admin@XXX DocumentRoot /var/xxx MonoServerPath XXX "/usr/bin/mod-mono-server4" MonoDebug XXX true MonoSetEnv XXX MONO_IOMAP=all MonoApplications XXX "/:/var/xxx" <Location "/"> Allow from all Order allow,deny MonoSetServerAlias XXX SetHandler mono SetOutputFilter DEFLATE SetEnvIfNoCase Request_URI "\.(?:gif|jpe?g|png)$" no-gzip dont-vary </Location> <IfModule mod_deflate.c> AddOutputFilterByType DEFLATE text/html text/plain text/xml text/javascript </IfModule> </VirtualHost> I used mono-server4-admin to create the application mono-server4-admin --path=/var/xxx --app=/XXX --port=9999 When i start apache, it gives the error: Syntax error on line 13 of /etc/apache2/sites-enabled/xxx: Server alias 'XXX, not found. This corresponds with the MonoSetServerAlias statement. So I commented it out, and when I do that apache starts. However, when I try to access the site, I get a 500 error. The access log indicates that it's trying to access the app on port 80, rather than 9999. I'm not sure what the problem is here. Can anyone help me get figure out where I went wrong? My mono-server4-hosts.conf contains this: # start /etc/mono-server4/conf.d/RMRSite/10_XXX Alias /XXX "/var/xxx" AddMonoApplications default "/XXX:/var/xxx" <Directory /var/xxx> SetHandler mono <IfModule mod_dir.c> DirectoryIndex index.aspx </IfModule> </Directory> # end /etc/mono-server4/conf.d/XXX/10_XXX Also, my /etc/mono-server4/conf.d/XXX/10_XXX contains this: This is the configuration file for the XXX virtualhost path = /var/xxx alias = /XXX vhost = localhost port = 9999

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• How to start a service at boot time in ubuntu 12.04, run as a different user?

  - by Alex

  I have a server ClueReleaseManager which I have installed on a Ubuntu 12.04 system from a separate user (named pypi), and I want to be able to start this server at startup. I already have tried to create a simple bash script with some commands (login as user pypi, use a virtual python environment, start the server), but this does not work properly. Either the terminal crashes or when I try to ask the status of the service it is started and I am logged in as user pypi ...? So, here the question: What are the steps to take to make sure the ClueReleaseManager service properly starts up on boot time, and which I can control (start/stop/..) during runtime, while the service is running from a user pypi? Additional information and constraints: I want to do this as simple as possible Without any other packages/programs to be installed I am not familiar with the Ubuntu 12.04 init structure All the information I found on the web is very sparse, confusing, incorrect or does not apply to my case of running a service as a different user from root.

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• Samba PDC plus universal folder

  - by skids89

  I know how to configure samba on my ubuntu box to become a PDC however I need some select files to be accessible to multiple users. These files are beyond their personal files. I.E. users A-C need to be able to access a schedule saved as a spreadsheet. But user D does not and users B-D need to be able to access confidential employee info but user A does not. How do I set this up on top of the PDC structure? Any video tutorials would be a plus. Im new to linux so documentation is a confusing slow slog to learn. Thanks so much in advance!

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• VMware postfix server drops connection

  - by nicoX

  Our physical server godzilla forwards mails to our virtuall VMware server b4. They are on the same net. Often connection drops, we can't ping godzilla with our b4. That means mails from godzilla won't reach b4 and the mails will be in handed into the mailq. Sometimes it takes some hours and the issue will auto fix itself, b4 will wake up and the mail will be delivered. Another thing if we remotely ssh into the b4, the b4 will wake up and and receive any mailq mails from godzilla and deliver them. netadmin@b4:/var/log$ arp -a ? (192.168.209.80) at 00:1E:C9:AE:79:9D [ether] on eth0 root@godzilla:/usr/local/bin# arp -a ? (192.168.209.20) at 00:50:56:91:7d:b2 [ether] on eth0

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