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  • Port forwarding + shared connection with Ubuntu

    - by Joey Adams
    Because my wireless router's ethernet ports are defective, I set up a shared wireless connection from my laptop (which has wifi) to my eMac (which does not) via a crossover ethernet cable. The laptop is behind a router as 192.168.1.131, and the eMac is behind the laptop as 10.42.43.1 . The laptop is running Ubuntu 9.10 (Karmic). I achieved the shared connection through NetworkManager Applet. I right-clicked on the network icon at the topright, went to Edit Connections, selected the Wired connection named "Auto eth0", clicked "Edit...", went to the "IPv4 Settings" tab, and selected the Method "Shared to other computers". The eMac can now access the Internet. Now I want to enable port forwarding. There's a game I want to play that needs port 6112 forwarded (both TCP and UDP) in order to host games. I set up the router to enable port forwarding for 192.168.1.131 (the laptop), but port forwarding still isn't available on the eMac. I suppose I need to pretend my laptop is a router and configure port forwarding on it, indicating that incoming connections to the laptop (192.168.1.131) should be forwarded to the eMac on the shared connection (10.42.43.1 ). Thus, packets coming into the router on port 6112 would be redirected to the laptop (by the router), then to the eMac (by the laptop). My question is, how would I do that on Ubuntu (in light of NetworkManager's presence)? Also, if I can't get this to work, does anyone mind hosting a comp stomp? :D

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  • Install Ubuntu 10.10 from loopback mounted ISO image

    - by Zifre
    I have a laptop with a faulty BIOS that has stopped booting from CDs even though it supports it (and it doesn't support booting from USB drives). I am trying to install Ubuntu 10.10 on it. I already had 9.10 installed. I tried using Kexec, but it refused to accept the kernel image. Eventually I found this page which shows how to make GRUB 2 boot from an ISO file. That worked fine, and I am now running the live image from the file. (If I can get this to work, it will be my new preferred way of installing Ubuntu, as it saves CDs and boots much faster.) However, I can't install it. The installer won't make changes to the hard drive, because the partition containing the ISO is mounted (and can't be unmounted because it is in use). Even if I only choose to use other partitions that are not mounted, the installer refuses to go any farther. Clearly, it should be possible using other partitions on the same disk. Is there any way to work around this issue or force the installer to go ahead?

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  • /usr/bin/python Replacement

    - by tikiking1
    If I've changed the target of /usr/bin/python from /usr/bin/python2.7 to /usr/bin/python3.2 (I realize this was an ABSOUTELY HORRIBLE idea) in Ubuntu 12.04.1 LTS. Afterwards, several applications, including software-center and update-manager have stopped working. Insofar as I can tell, this is because they are written in Python2.7. I replaced the default /usr/bin/python shebang with the 2.7 one, and this fixes them on the application level. Switching /usr/bin/python back to /usr/bin/python2.7 really isn't an option, but is there a list of all applications installed by default in Ubuntu 12.04.1 LTS, if installed from a new CD-R, that use a shebang of #!/usr/bin/python instead of #!/usr/bin/pythonX.Y?

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  • Installing 64-bit Ubuntu alongside 32-bit Ubuntu?

    - by Macha
    I have a 64-bit processor in my PC, but because of worries over application compatibility, up until now I have been using 32-bit Ubuntu (and 32-bit Vista because Dell wouldn't sell me 64-bit with my PC). Is it possible for me to install 64-bit Ubuntu alongside 32-bit ubuntu and 32-bit Windows Vista, so I can choose between them at boot and share data, and without uninstalling my 32-bit Ubuntu? My partitions are as follows Drive 1: 10 GB Vista recovery partition (E:), 240 GB Windows NTFS parition (230 GB used, C:). Drive 2: 167 GB Windows NTFS Partition (130 GB used, D: ), 8 GB swap partition, 13 GB / partition (6 GB used), 62 GB /home partition (20 GB used).

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  • after enabling mod ssl apache stops listening on port 80

    - by zensys
    I have an ubuntu 12.04 server with zend server CE installed. I now wanted to enable https but after the first steps according to the documentation, 'a2enmod ssl' and 'apache service restart', apache does not listen on 443 but neither on 80, according to netstat -tap | grep http(s)! This is what I see in my error log, but I can't make much of it: [Fri May 25 19:52:39 2012] [notice] caught SIGTERM, shutting down [Fri May 25 19:52:41 2012] [warn] Init: Session Cache is not configured [hint: SSLSessionCache] [Fri May 25 19:52:41 2012] [notice] ModSecurity for Apache/2.6.3 (http://www.modsecurity.org/) configured. [Fri May 25 19:52:41 2012] [notice] ModSecurity: APR compiled version="1.4.5"; loaded version="1.4.6" [Fri May 25 19:52:41 2012] [warn] ModSecurity: Loaded APR do not match with compiled! [Fri May 25 19:52:41 2012] [notice] ModSecurity: PCRE compiled version="8.12"; loaded version="8.12 2011-01-15" [Fri May 25 19:52:41 2012] [notice] ModSecurity: LUA compiled version="Lua 5.1" [Fri May 25 19:52:41 2012] [notice] ModSecurity: LIBXML compiled version="2.7.8" [Fri May 25 19:53:11 2012] [notice] ModSecurity for Apache/2.6.3 (http://www.modsecurity.org/) configured. [Fri May 25 19:53:11 2012] [notice] ModSecurity: APR compiled version="1.4.5"; loaded version="1.4.6" [Fri May 25 19:53:11 2012] [warn] ModSecurity: Loaded APR do not match with compiled! [Fri May 25 19:53:11 2012] [notice] ModSecurity: PCRE compiled version="8.12"; loaded version="8.12 2011-01-15" [Fri May 25 19:53:11 2012] [notice] ModSecurity: LUA compiled version="Lua 5.1" [Fri May 25 19:53:11 2012] [notice] ModSecurity: LIBXML compiled version="2.7.8" [Fri May 25 19:53:12 2012] [notice] Apache/2.2.22 (Ubuntu) PHP/5.3.8-ZS5.5.0 configured -- resuming normal operations and here is my httpd.conf: # Name based virtual hosting <virtualhost *:80> ServerName www-redirect KeepAlive Off RewriteEngine On RewriteCond %{HTTP_HOST} ^[^\./]+\.[^\./]+$ RewriteRule ^/(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L] </virtualhost> Alias /shared/js "/home/web/library/js" Alias /shared/image "/home/web/library/image" <IfModule mod_expires.c> <FilesMatch "\.(jpe?g|png|gif|js|css|doc|rtf|xls|pdf)$"> ExpiresActive On ExpiresDefault "access plus 1 week" </FilesMatch> </IfModule> ErrorLog ${APACHE_LOG_DIR}/error.log LogLevel warn <Directory /> Options FollowSymLinks AllowOverride None Order allow,deny allow from all </Directory> <Location /> RewriteEngine On RewriteCond %{REQUEST_FILENAME} -s [OR] RewriteCond %{REQUEST_FILENAME} -l [OR] RewriteCond %{REQUEST_FILENAME} -d RewriteRule ^.*$ - [NC,L] RewriteRule ^.*$ /index.php [NC,L] </Location> netstat -tap gives: Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 *:mysql *:* LISTEN 765/mysqld tcp 0 0 *:pop3 *:* LISTEN 744/dovecot tcp 0 0 *:imap2 *:* LISTEN 744/dovecot tcp 0 0 *:http *:* LISTEN 19861/apache2 tcp 0 0 *:smtp *:* LISTEN 30365/master tcp 0 0 *:4444 *:* LISTEN 634/sshd tcp 0 0 *:kamanda *:* LISTEN 1167/lighttpd tcp 0 0 *:imaps *:* LISTEN 744/dovecot tcp 0 0 *:amandaidx *:* LISTEN 1167/lighttpd tcp 0 0 localhost.loc:amidxtape *:* LISTEN 19861/apache2 tcp 0 0 *:pop3s *:* LISTEN 744/dovecot tcp 0 384 mail.mysite.:4444 231.214.14.37.dyn:41909 ESTABLISHED 19039/sshd: web [pr tcp 0 0 localhost.localdo:mysql localhost.localdo:48252 ESTABLISHED 765/mysqld tcp 0 0 mail.mysite.:http 231.214.14.37.dyn:54686 TIME_WAIT - tcp 0 0 mail.mysite.:4444 231.214.14.37.dyn:42419 ESTABLISHED 19372/sshd: web [pr tcp 0 0 localhost.localdo:48252 localhost.localdo:mysql ESTABLISHED 19884/auth tcp 0 0 mail.mysite.:http 231.214.14.37.dyn:54685 TIME_WAIT - tcp6 0 0 [::]:pop3 [::]:* LISTEN 744/dovecot tcp6 0 0 [::]:imap2 [::]:* LISTEN 744/dovecot tcp6 0 0 [::]:smtp [::]:* LISTEN 30365/master tcp6 0 0 [::]:4444 [::]:* LISTEN 634/sshd tcp6 0 0 [::]:imaps [::]:* LISTEN 744/dovecot tcp6 0 0 [::]:pop3s [::]:* LISTEN 744/dovecot Anyone knows what I am doing wrong? Perhaps I should take some additional steps to make apache listen 0n 443 but that it stops listening on 80 altogether I can't understand.

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  • Unable to connect to shared (iscsitarget) dvd-rw drive on ubuntu karmic box

    - by develop7
    Preface: I have desktop with DVD-RW drive that runs primarily on Linux (namely Ubuntu 9.10). My wife has netbook that rins Windows XP with no cd/dvd drive. There's also LAN through our ADSL modem/router. I've "ported" (actually, I've just grabbed sources and ran dpkg-buildpackage) iscsitarget package from Ubuntu Lucid to Karmic (here are packages), installed it (sudo aptitude install iscsitarget; sudo m-a a-i iscsitarget) and configured it in the following way (/etc/ietd.conf): Target iqn.2020-01.local.develop7-desktop:storage.disc.dvdrw Lun 0 Path=/dev/sr0,Type=blockio #I've skipped commented lines Also, I've opened port 3260 with ufw: $ sudo ufw status | grep 3260 3260 ALLOW 192.168.1.0/24 But (here's the trouble) I still can't connect to this target from Windows box. Microsoft Software iSCSI Initiator tells "Logon failure" upon connect attempt. After unsuccessful connection attempt I've noticed this line in dmesg | tail's output: iscsi_trgt: ioctl(299) invalid ioctl cmd c078690d So the question is — what's wrong with my config/iSCSI target/whatever else? Or, in short — what I'm doing wrong? Thanks in advance.

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  • Unable to connect to shared (iscsitarget) dvd-rw drive on ubuntu karmic box

    - by Develop7
    Intro I have desktop with DVD-RW drive that runs primarily on Linux (namely Ubuntu 9.10). My wife has netbook that rins Windows XP with no cd/dvd drive. There's also LAN through our ADSL modem/router. I've "ported" (actually, I've just grabbed sources and ran dpkg-buildpackage) iscsitarget package from Ubuntu Lucid to Karmic (here are packages), installed it (sudo aptitude install iscsitarget; sudo m-a a-i iscsitarget) and configured it in the following way (/etc/ietd.conf): Target iqn.2020-01.local.develop7-desktop:storage.disc.dvdrw Lun 0 Path=/dev/sr0,Type=blockio #I've skipped commented lines Also, I've opened port 3260 with ufw: $ sudo ufw status | grep 3260 3260 ALLOW 192.168.1.0/24 Problem But (here's the trouble) I still can't connect to this target from Windows box. Microsoft Software iSCSI Initiator screams "Logon failure" upon connect attempt, and, respectively, fails to connect. After unsuccessful connection attempt I've noticed this line in dmesg | tail's output: iscsi_trgt: ioctl(299) invalid ioctl cmd c078690d Question So the question is — what's wrong with my config/iSCSI target/whatever else? Or, in short — what I'm doing wrong? Thanks in advance.

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  • Import GraphViz graph to Microsoft Word 14

    - by rmetzger
    I have created a GraphViz dot-file to visualize a data flow. I have to write a documentation using Microsoft Word and I'd like to include the graph in the document. For some wired reason, MS Word is not able to import SVG files. Then, I generated a .eps file using dot -Teps plan.dot -o plan.eps But once imported into Word, the picture looks horrible. I also tried to convert the svg to wmf using Inkscape. It also looked horrible. Is there a clean way to generate a file using GraphViz that Word can read?

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  • Set default tab url in firefox 14

    - by sebster
    In the latest firefox update, new tabs show -instead of the previously default blank page- a window of recently viewed pages. Before this was available, I had installed an 'addon' to allow this (called 'fvd speed dial'). It worked fine however I have since delete.d this as it is no longer needed but still loads the page where the addon was housed:'chrome://fvd.speeddial/content/fvd_about_blank.html'. I have reinstalled firefox yet the same problem still occurs. On the 'about:config' page I have found the setting 'browser.newtab.url' but do not know the default url. Is there any way to remedy this? I will just add, I appologise if this is not the case with the new tab feature. It is all I have gathered from the firefox update page. Also, I do not want to, ideally, simply restore my settings as I have changed some of them (such as the search bar, that work fine. I am on windows-xp, home edition. Not sure of what service pack.

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  • Is Subversion(SVN) supported on Ubuntu 10.04 LTS 32bit?

    - by Chad
    I've setup subversion on Ubuntu 10.04, but can't get authentication to work. I believe all my config files are setup correctly, However I keep getting prompted for credentials on a SVN CHECKOUT. Like there is an issue with apache2 talking to svnserve. If I allow anonymous access checkout works fine. Does anybody know if there is a known issue with subversion and 10.04 or see a error in my configuration? below is my configuration: # fresh install of Ubuntu 10.04 LTS 32bit sudo apt-get install apache2 apache2-utils -y sudo apt-get install subversion libapache2-svn subversion-tools -y sudo mkdir /svn sudo svnadmin create /svn/DataTeam sudo svnadmin create /svn/ReportingTeam #Setup the svn config file sudo vi /etc/apache2/mods-available/dav_svn.conf #replace file with the following. <Location /svn> DAV svn SVNParentPath /svn/ AuthType Basic AuthName "Subversion Server" AuthUserFile /etc/apache2/dav_svn.passwd Require valid-user AuthzSVNAccessFile /etc/apache2/svn_acl </Location> sudo touch /etc/apache2/svn_acl #replace file with the following. [groups] dba_group = tom, jerry report_group = tom [DataTeam:/] @dba_group = rw [ReportingTeam:/] @report_group = rw #Start/Stop subversion automatically sudo /etc/init.d/apache2 restart cd /etc/init.d/ sudo touch subversion sudo cat 'svnserve -d -r /svn' > svnserve sudo cat '/etc/init.d/apache2 restart' >> svnserve sudo chmod +x svnserve sudo update-rc.d svnserve defaults #Add svn users sudo htpasswd -cpb /etc/apache2/dav_svn.passwd tom tom sudo htpasswd -pb /etc/apache2/dav_svn.passwd jerry jerry #Test by performing a checkout sudo svnserve -d -r /svn sudo /etc/init.d/apache2 restart svn checkout http://127.0.0.1/svn/DataTeam /tmp/DataTeam

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  • Gnome 3 gdm fails to start after preupgrade from fedora 14 to 15

    - by digital illusion
    I'm not able to boot fedora 15 in runlevel 5. After all services start, when the login screen should appear, gdm just show a mouse waiting cursor and keeps restarting itself. From /var/log/gdm/\:0-greeter.log Gtk-Message: Failed to load module "pk-gtk-module" /usr/bin/gnome-session: symbol lookup error: /usr/lib/gtk-3.0/modules/libatk-bridge.so: undefined symbol: atk_plug_get_type /usr/libexec/gnome-setting-daemon: symbol lookup error: /usr/lib/gtk-3.0modules/libatk-bridge.so: undefined symbol: atk_plug_get_type Where should atk_plug_get_type be defined? Edit: Here a better description of the error (system-config-network-gui:2643): Gnome-WARNING **: Accessibility: failed to find module 'libgail-gnome' which is needed to make this application accessible /usr/bin/python: symbol lookup error: /usr/lib/gtk-2.0/modules/libatk-bridge.so: undefined symbol: atk_plug_get_type Why there are still references to gtk2? Did preupgrade fail? Attaching upgrade log... it seems gdm was not added, but it is present in the users and groups list. May 26 11:25:52 sysimage sendmail[1076]: alias database /etc/aliases rebuilt by root May 26 11:25:52 sysimage sendmail[1076]: /etc/aliases: 77 aliases, longest 23 bytes, 795 bytes total May 26 11:46:09 sysimage useradd[1793]: failed adding user 'dbus', data deleted May 26 11:53:37 sysimage systemd-machine-id-setup[2443]: Initializing machine ID from D-Bus machine ID. May 26 11:55:28 sysimage useradd[2835]: failed adding user 'apache', data deleted May 26 11:55:38 sysimage useradd[2842]: failed adding user 'haldaemon', data deleted May 26 11:55:43 sysimage useradd[2848]: failed adding user 'smolt', data deleted May 26 11:57:32 sysimage sendmail[3032]: alias database /etc/aliases rebuilt by root May 26 11:57:32 sysimage sendmail[3032]: /etc/aliases: 77 aliases, longest 23 bytes, 795 bytes total May 26 11:57:46 sysimage groupadd[3066]: group added to /etc/group: name=cgred, GID=482 May 26 11:57:47 sysimage groupadd[3066]: group added to /etc/gshadow: name=cgred May 26 11:57:47 sysimage groupadd[3066]: new group: name=cgred, GID=482 May 26 11:58:42 sysimage useradd[3086]: failed adding user 'ntp', data deleted May 26 12:00:13 sysimage dbus: avc: received policyload notice (seqno=2) May 26 12:15:08 sysimage useradd[4950]: failed adding user 'gdm', data deleted May 26 12:24:39 sysimage dbus: avc: received policyload notice (seqno=3) May 26 12:25:24 sysimage useradd[5522]: failed adding user 'mysql', data deleted May 26 12:25:37 sysimage useradd[5533]: failed adding user 'rpcuser', data deleted May 26 12:26:31 sysimage useradd[5592]: failed adding user 'tcpdump', data deleted Any suggestions before I revert installation to F14?

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  • Wireless driver activation problem in compaq c700 in ubuntu 9.04

    - by Fazil
    I am using ubuntu 9.04, i cant access my wireless driver, i activate the madwifi in administrationhardware drivers, but i could'nt activated the wireless too. when i type lspci i get the following message, ################################################## # 00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 04) 00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 04) 00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 04) 00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 04) 00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 04) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f4) 00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 04) 00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller (rev 04) 00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 04) 01:00.0 Ethernet controller: Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter (rev 01) 02:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) ################################################## but when i tried in windows i found that the driver for my laptop is ################################################ atheros AR5007 802.11b/g WiFi Adapter ################################################ so what can i do for solving this problem.

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  • X-ming, Ubuntu apps - getting the Ubuntu style/theme to load

    - by user5402
    I am running X-ming on Windows 7 and using putty to ssh into an Ubuntu system. On the Ubuntu system I use the command: $ gnome-terminal & to display a terminal back on the Windows box. When I do this I don't get the standard Ubuntu style, i.e. dark purple background, Mono font, solid cursor (which I've configured in the Gnome Control Center.) Instead I get a very plain style - white background, blinking cursor, very small font. However, if I run gnome-control-center and then click on, say, the Keyboard icon, the terminal window will be reconfigured with the Ubuntu style with my customizations (e.g. block cursor vs. blinking cursor.) Just starting one of the control applets seems to trigger this style change. My question is: How can I trigger this style change more directly - without having to launch the Gnome Control center and launching one of the configuration applets?

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  • Port forwarding + shared connection with Ubuntu

    - by Joey Adams
    Because my wireless router's ethernet ports are defective, I set up a shared wireless connection from my laptop (which has wifi) to my eMac (which does not) via a crossover ethernet cable. The laptop is behind a router as 192.168.1.131, and the eMac is behind the laptop as 10.42.43.1 . The laptop is running Ubuntu 9.10 (Karmic). I achieved the shared connection through NetworkManager Applet. I right-clicked on the network icon at the topright, went to Edit Connections, selected the Wired connection named "Auto eth0", clicked "Edit...", went to the "IPv4 Settings" tab, and selected the Method "Shared to other computers". The eMac can now access the Internet. Now I want to enable port forwarding. There's a game I want to play that needs port 6112 forwarded (both TCP and UDP) in order to host games. I set up the router to enable port forwarding for 192.168.1.131 (the laptop), but port forwarding still isn't available on the eMac. I suppose I need to pretend my laptop is a router and configure port forwarding on it, indicating that incoming connections to the laptop (192.168.1.131) should be forwarded to the eMac on the shared connection (10.42.43.1 ). Thus, packets coming into the router on port 6112 would be redirected to the laptop (by the router), then to the eMac (by the laptop). My question is, how would I do that on Ubuntu (in light of NetworkManager's presence)? Also, if I can't get this to work, does anyone mind hosting a comp stomp? :D

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  • Kernel Memory Leak in Ubuntu 9.10?

    - by kayahr
    After some days of work (Using suspend-to-ram during the night) I notice I loose more and more available memory. Even when I close all applications the situation doesn't improve. I even went down to the command line and closed ALL running processes except the init process and the bash I'm working in. I unmounted all these ram disks which Ubuntu is using, I even unloaded all modules which could be unloaded. But still "free" tells me that 1 GB of RAM is used (without buffers/cache). In "top" there is no visible process which occupies all this memory. The only way to free the memory is restarting the machine. How can I find out where I lose all this memory? Is there a known "suspect" who can cause a problem like this? I'm using Ubuntu 9.10 64 bit on a Dell Latitude E6500 (4 GB RAM) with the latest closed-source nvidia driver and Gnome with Compiz. The applications I use most of the time are firefox and eclipse. Any hints how I can find the problem? I'm not a kernel hacker so if the solution is patching the kernel or something like that then I might be out of the game...

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  • Why java -version returning a different version than the one defined in JAVA_HOME?

    - by Shekhar
    I am trying to set JAVA_HOME in Ubuntu OS. I have copied jdk 1.7 in /usr/lib/jvm and set JAVA_HOME in /etc/profile file. Contents of /usr/lib/jvm folder are as follows : shekhar@ubuntu:~$ ls /usr/lib/jvm/ default-java java-1.6.0-openjdk java-6-openjdk java-6-openjdk-i386 jdk1.7.0_01 java-1.5.0-gcj-4.6 java-1.6.0-openjdk-i386 java-6-openjdk-common java-7-openjdk-i386 and last few lines of /etc/profile file are as follows : export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_01 export PATH=$PATH:$JAVA_HOME/bin After finishing all this when I run java -version command I get following output : shekhar@ubuntu:~$ java -version java version "1.6.0_24" OpenJDK Runtime Environment (IcedTea6 1.11.4) (6b24-1.11.4-1ubuntu0.12.04.1) OpenJDK Server VM (build 20.0-b12, mixed mode) and when I run ls -lah command I get following output : shekhar@ubuntu:~$ ls -lah /usr/bin/java lrwxrwxrwx 1 root root 22 Sep 29 09:58 /usr/bin/java -> /etc/alternatives/java shekhar@ubuntu:~$ ls -lah /etc/alternatives/java lrwxrwxrwx 1 root root 45 Sep 29 09:58 /etc/alternatives/java -> /usr/lib/jvm/java-6-openjdk-i386/jre/bin/java Can anyone please tell me which thing I am missing? Why Ubuntu is still pointing to open jdk and not to my jdk 7? PS : I have seen this similar question and its answers but that question is related to Windows OS and not for Ubuntu so I am reposting this similar question for Ubuntu.

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  • VPN on a ubuntu server limited to certain ips

    - by Hultner
    I got an server running Ubuntu Server 9.10 and I need access to it and other parts of my network sometimes when not at home. There's two places I need to access the VPN from. One of the places to an static IP and the other got an dynamic but with DynDNS setup so I can always get the current IP if I want to. Now when it comes to servers people call me kinda paranoid but security is always my number one priority and I never like to allow access to the server outside the network therefor I have two things I have to have on this VPN. One it shouldn't be accessiable from any other IP then these 2 and two it has to use a very secure key so it will be virtually impossible to bruteforce even from the said IP´s. I have no experience what so ever in setting up VPNs, I have used SSH tunneling but never an actuall VPN. So what would be the best, most stable, safest and performance effiecent way to set this up on a Ubuntu Server? Is it possible or should I just set up some kind of SSH Tunnel instead? Thanks on beforehand for answers.

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  • Ubuntu 9.10 LiveCD stalls after "Install Ubuntu" selected from boot menu on eMachines

    - by nicorellius
    I am trying to install Ubuntu 9.10 from the ISO on a CD (it needs to be this version) on an eMachine with a brand new Seagate hard disk. The CD boots OK, and I choose the language. Then I am presented with the boot menu: Try Ubuntu Install Ubuntu etc I have tried the top two choices several times (trying Ubuntu and installing it), but each and every time the installation stalls and the disc stops spinning right after I hit enter after choosing the option I want. I have tried different CD/DVD drives, changing the jumpers on both CD drives, different hard drives, and nothing works. Maybe there is a BIOS setting that is choking the installation? Any help would be appreciated. Edit - I just tried running the hard drive as the master on the primary IDE and the CD drive as the slave on the primary with the same results. Maybe flash the BIOS?

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  • How do I reinitialise a failed RAID 5 drive using terminal on Ubuntu Server

    - by Stephen
    I've currently put together a new system and part of that has been creating a software RAID 5 using 'mdadm' in Ubuntu Server. I successfully got to the point where I create the array using: sudo mdadm --create --verbose /dev/md0 --level=5 --raid-devices=4 /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 I left it to do its thing overnight then used the following command to check on it: watch cat /proc/mdstat To which the following was returned: Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid5 sdd1[4](S) sdc1[2] sdb1[1] sda1[0](F) 5860535808 blocks super 1.2 level 5, 512k chunk, algorithm 2 [4/2] [_UU_] unused devices: <none> It appears that one has failed (and I'm not too savvy with why another is a spare). So, just to be sure that something else isn't amiss I wanted to try and re-engage the failed drive. Can someone explain how I can do that and what I should do with the spare (if anything). And also how do I know when synchronisation is complete? The tutorial I used to get this far is located here: http://sonniesedge.co.uk/2009/06/13/software-raid-5-on-ubuntu-904/ Many thanks! p.s. Here is some extra information that may help: sudo mdadm --detail /dev/md0 /dev/md0: Version : 1.2 Creation Time : Mon Jun 18 21:14:21 2012 Raid Level : raid5 Array Size : 5860535808 (5589.04 GiB 6001.19 GB) Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB) Raid Devices : 4 Total Devices : 4 Persistence : Superblock is persistent Update Time : Mon Jun 18 21:50:26 2012 State : clean, FAILED Active Devices : 2 Working Devices : 3 Failed Devices : 1 Spare Devices : 1 Layout : left-symmetric Chunk Size : 512K Name : myraidbox:0 (local to host myraidbox) UUID : a269ee94:a161600c:fb1665e7:bd2f27b3 Events : 13 Number Major Minor RaidDevice State 0 0 0 0 removed 1 8 17 1 active sync /dev/sdb1 2 8 33 2 active sync /dev/sdc1 3 0 0 3 removed 0 8 1 - faulty spare /dev/sda1 4 8 49 - spare /dev/sdd1

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  • How to remove Games on Fedora 14?

    - by user44212
    While installing the fedora desktop I had unchecked the Games and Entertainment section but I can still see the same Games options available in the menu. I tried checking the same in the Add/Remove Programs but I was not able to get the option for uninstalling the same. Games which are present are: AisleRiot Solitaire, lagno, Mines and Sudoku I would like to delete the games options available. Can someone help me doing the same?

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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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  • Flickering dual screens in Virtual Box Ubuntu 13.10 Guest

    - by alexleonard
    I have Ubuntu 13.10 x64 installed as a guest in VirtualBox (under a Windows 8.1 host) and have the settings for the virtual machine setup to run with a monitor count of 2, 128MB video memory and 3D acceleration enabled. In my guest I have the virtual box additions installed (which allowed me to have two 1920x1080 screens). Here's a screenshot of my VM settings. My laptop is an Asus N550JV which has both Intel's HD Graphics 4600 GPU and Nvidia's GeForce GT 750M. By default though I believe the Intel GFX card is being used to render the VM. When I boot up the VM it loads perfectly on dual screens, however whenever I move the mouse from one screen to the other (I have a Dell S2340L running over a HDMI connection as a second screen) the screen flickers. I've tried a variety of settings changes in both Ubuntu and the VM settings, but cannot seem to stop this screen flicker. I also used the NVidia control panel in Windows to force the dedicated graphics card to always be used but found that the display driver sometimes crashed whilst working in the VM, resulting in my VM session being destroyed, so I figured it's better to stick with the Intel GFX as that appears to be more stable. I also tried without 3D acceleration but that was much worse, and if I ran the VM with a low amount of graphics memory it really struggled. Here's my dmesg output: http://pastebin.com/1LJuYWMj (not sure if this is helpful in this situation). I read some posts suggesting changes to /etc/X11/xorg.conf but I don't appear to have an xorg.conf file. There were also a few posts (though related to Synergy) suggesting running xset -dpms but this command doesn't appear to have had any effect for me. As an additional note, I'm finding that window drawing in the guest is a little laggy/glitchy. For example, quickly scrolling through a web page may result in parts of the viewport displaying original content. Certainly I notice drawing issues most in the web browser, but it also impacts other software with parts of the window not being drawn when, say, switching between accounts in thunderbird. Any suggestions greatly appreciated!

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  • Postfix sasl: Relay access Denied (state 14)

    - by Primoz
    I have postfix installed with dovecot. There are no problems when I'm trying to send e-mails from my server, however all e-mails that are coming in are rejected. My main.cf file: queue_directory = /var/spool/postfix command_directory = /usr/sbin daemon_directory = /usr/libexec/postfix mail_owner = postfix inet_interfaces = all mydestination = localhost, $mydomain, /etc/postfix/domains/domains virtual_maps = hash:/etc/postfix/domains/addresses unknown_local_recipient_reject_code = 550 mynetworks = 127.0.0.0/8 alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases home_mailbox = Maildir/ debug_peer_level = 2 debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin xxgdb $daemon_directory/$process_name $process_id & sleep 5 sendmail_path = /usr/sbin/sendmail.postfix newaliases_path = /usr/bin/newaliases.postfix mailq_path = /usr/bin/mailq.postfix setgid_group = postdrop html_directory = no manpage_directory = /usr/share/man sample_directory = /usr/share/doc/postfix-2.3.3/samples readme_directory = /usr/share/doc/postfix-2.3.3/README_FILES smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes smtpd_recipient_restrictions = check_policy_service inet:127.0.0.1:9999, permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_recipient, reject_unknown_recipient_domain, reject_unauth_destination, smtpd_sender_restriction = reject_non_fqdn_sender broken_sasl_auth_clients = yes UPDATE: Now, when e-mail comes to the server, the server tries to reroute the mail. Example, if the message was sent to [email protected], my server changes that to [email protected] and then the mail bounces because there's no such domain on my server.

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  • Wireless driver activation issue in Compaq c700 in Ubuntu 9.04

    - by Fazil
    I am using Ubuntu 9.04, I cant access my wireless driver, I activate the madwifi in administrationhardware drivers, but I could'nt activated the wireless too. when I type lspci I get the following message, ################################################## # 00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory Controller Hub (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 04) 00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 04) 00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 04) 00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 04) 00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 04) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f4) 00:1f.0 ISA bridge: Intel Corporation 82801HEM (ICH8M) LPC Interface Controller (rev 04) 00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA AHCI Controller (rev 04) 00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 04) 01:00.0 Ethernet controller: Atheros Communications Inc. AR242x 802.11abg Wireless PCI Express Adapter (rev 01) 02:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10) ################################################## but when I tried in Windows I found that the driver for my laptop is ################################################ atheros AR5007 802.11b/g WiFi Adapter ################################################ so what can I do for solving this problem.

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