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• Juju didn't configure rabbitmq for openstack?

  - by SaM

  I have installed ubuntu Openstack HA with juju with all 24 servers. But my openstack is not working at all. On dashboard on every page I get errors saying "could not retrieve usage information", "could not retrieve volume information, "could not retrieve .....etc I spent hours and have discovered that juju has not done configuration correctly. I found that on cloud controller in nova.conf juju has added rabitmq vhost enrty, but that virtual host is not added in rabbitmq. Then how is its suppose to work? And on juju-gui canvas rabbimq is all green and is working fine, which in reality its not. I am really wondering if juju has really done correct configuration in all 24 servers now, I am getting the feeling that it would have been faster if I would have done openstack deployment manually instead of using juju. Why was the virtual host entry not added in rabbitmq? How should I solve this?

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• Which, among the humble indie bundle V games, work on 10.04?

  - by daithib8

  Inevitably, I've coughed up for the latest Humble Bundle, containing 5 games: Amnesia, Bastion, Limbo, Psychonauts and Superbrothers: Sword and Sorcery. At the download page it says download for ubuntu but after that it transpired (after much head scratching) that the three games it lists "are not available for your version of ubuntu". The other two, Bastion and Psychonauts "will appear on the page soon", but until then does anybody think they might work? I don't want to to be disappointed after downloading a 4gb file, causing me to reminisce on childhood memories of loading 8-bit tape games for 45 minutes only to find out that you had to reload them once you died after 30 seconds in.

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• lost the vertical scroll function in touchpad after upgrading from 13.04 to 13.10

  - by Lars Lundblad

  just upgraded from Ubuntu 13.04 to Ubuntu 13.10, my Laptop is a Sony SVE1512c6ew, scrolling worked perfectly in Ubuntu 13.04, doesnt work at all in 13.10 Runs Ubuntu 13.10 64bits (btw, tested it i Windows 8 environment works there)Hardware OK, have seen a number of other users with the same problem, well for starters have followed the tip on using the dconf editor, following the path: org gnome settings-daemon peripherals touchpad boxed in all for sure... still cant get vertical scroll...... Any ideas??? Thanks in advance Lars Lundblad / please feel free to mail answers to [email protected] Input device information according to Udev: Input device Subsystem: input Devtype: n/a Name: input7 Number: 7 Sysfs_path: /sys/devices/platform/i8042/serio1/input/input7 Driver: n/a Action: n/a Seqnum: n/a Device type: n/a Device number: 0 Device file: n/a Device file symlinks: n/a Touchpad device Subsystem: input Devtype: n/a Name: mouse1 Number: 1 Sysfs_path: /sys/devices/platform/i8042/serio1/input/input7/mouse1 Driver: n/a Action: n/a Seqnum: n/a Device type: char Device number: 3361 Device file: /dev/input/mouse1 Device file symlinks: /dev/input/by-path/platform-i8042-serio-1-mouse

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• Acer Aspire One 725 - missing graphic card driver?

  - by Melon

  Recently I bought an Acer Aspire One 725 Netbook and installed Ubuntu 12.10 on it. I bought it, because it can run HD movies and has Full HD on external VGA port. However, movies from youtube have a really slow framerate. If you open three tabs in Opera (for example g-mail, youtube and askubuntu) it gets really laggy. My suspicion is that the driver for graphic card is missing. When I check the System->Details->Graphics the driver is unknown. After running lspci | grep VGA I get this output: 00:01.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Device 980a From what I see, I have a AMD C70 processor integrated with (or something similar) AMD Radeon HD 6290. Has anyone had the same problem? Do you know which drivers need to be installed for the graphics to work properly? On official Acer page there are only drivers for Win7 and Win8... Update: I have tried installing fglrx but I get the following error (either I don't have libraries or someone didn't make a clean build before release ;) /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c: In function ‘KCL_MEM_AllocLinearAddrInterval’: /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:2124:5: error: implicit declaration of function ‘do_mmap’ [-Werror=implicit-function-declaration] /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:2124:13: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c: In function ‘kasInitExecutionLevels’: /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:4159:5: error: ‘cpu_possible_map’ undeclared (first use in this function) /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:4159:5: note: each undeclared identifier is reported only once for each function it appears in /lib/modules/fglrx/build_mod/2.6.x/firegl_public.c:4159:5: warning: left-hand operand of comma expression has no effect [-Wunused-value] Update 2: After fixing the erros in compilation, ubuntu acts bizarre and unstable (no left icon panel, no upper panel, cannot run any programs, I only see desktop)

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• unexpected EOF and end of document

  - by WASasquatch

  I have been fiddling with this code for a few days. Mind you I am a beginner. I just want to get my script to be able to download a remote file, and scan MineCraft plugins. I got the scan plugins to work, but I'm having two other issues. One, I can't get the mc_addplugin to work correctly, and I get a Unexpected EOF and unexpected end of document when running any other command besides mc_scanplugins or mc_start bash: -c: line 0: unexpected EOF while looking for matching `"' bash: -c: line 1: syntax error: unexpected end of file Help would be so much appreciated! Thanks in advance. #!/bin/bash # /etc/init.d/craftbukkit # version 0.9.1 2012-07-06 (YYYY-MM-DD) ### BEGIN INIT INFO # Provides: craftbukkit # Required-Start: $local_fs $remote_fs # Required-Stop: $local_fs $remote_fs # Should-Start: $network # Should-Stop: $network # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Starts craftbukkit server # Description: Starts and controls the craftbukkit server ### END INIT INFO # SETTINGS SERVICE='craftbukkit-1.2.5-R1.0.jar' OPTIONS='nogui' USERNAME='smith' # LIST ALL THE WORLDS IN YOUR CRAFTBUKKIT SERVER FOLDER WORLDS[1]='world' WORLDS[2]='world_nether' WORLDS[3]='world_the_end' WORLDS[4]='flat_world' MCPATH='/var/www/servers/Foundation' PLUGINSPATH='/var/www/servers/Foundation/plugins' TEMPPLUGINS='/var/www/servers/Foundationplugins/temp_plugins' BACKUPPATH='/var/www/servers/Foundation/backup' CPU_COUNT=2 INVOCATION="java -Xmx2024M -Xms2024M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=$CPU_COUNT -XX:+AggressiveOpts -jar $SERVICE $OPTIONS" ME=`whoami` as_user() { if [ $ME == $USERNAME ] ; then bash -c "$1" else su - $USERNAME -c "$1" fi } mc_start() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is already running!" else echo "Starting $SERVICE..." cd $MCPATH as_user "cd $MCPATH && screen -dmS craftbukkit $INVOCATION" sleep 7 if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is now running." else echo "Error! Could not start $SERVICE!" fi fi } mc_saveoff() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running... suspending saves" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"say The server is preforming a backup. Server going to read-only mode. Do not build...\"\015'" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-off\"\015'" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-all\"\015'" sync sleep 10 else echo "$SERVICE is not running. Not suspending saves." fi } mc_save() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running... Saving worlds..." as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-all\"\015'" sync sleep 10 echo "Save complete!" else echo "$SERVICE is not running. Cannot save!" fi } mc_saveon() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running... re-enabling saves" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-on\"\015'" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"say Server backup has completed. Server going to read-write mode. You can now continue building...\"\015'" else echo "$SERVICE is not running. Not resuming saves." fi } mc_stop() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "Stopping $SERVICE" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"say $SERVERNAME is shutting down in 30 seconds! Please stop what you are doing. Check back later, we'll be back!\"\015'" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"save-all\"\015'" sleep 30 as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"stop\"\015'" sleep 7 else echo "$SERVICE was not running." fi if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "Error! $SERVICE could not be stopped." else echo "$SERVICE is stopped." fi } mc_update() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running! Will not start update." else MC_SERVER_URL=http://dl.bukkit.org/latest-rb/craftbukkit.jar as_user "cd $MCPATH && wget -q -O $MCPATH/craftbukkit_server.jar.update $MC_SERVER_URL" if [ -f $MCPATH/craftbukkit_server.jar.update ] then if `diff $MCPATH/$SERVICE $MCPATH/craftbukkit_server.jar.update >/dev/null` then echo "You are already running the latest version of $SERVICE. Update anyway? [Y/n]" select yn in "Yes" "No"; do case $yn in Yes ) as_user "mv $MCPATH/$SERVICE $MCPATH/${SERVICE}_old.jar" as_user "mv $MCPATH/craftbukkit_server.jar.update $MCPATH/$SERVICE" echo "$SERVICE updated successfully!"; break;; No ) echo "The update was not installed! Removing temporary files and exiting..." as_user "rm $MCPATH/craftbukkit_server.jar.update" exit;; esac done else as_user "mv $MCPATH/$SERVICE $MCPATH/${SERVICE}_old.jar" as_user "mv $MCPATH/craftbukkit_server.jar.update $MCPATH/$SERVICE" echo "$SERVICE updated successfully!" fi else echo "$SERVICE update could not be downloaded." fi fi } mc_addplugin() { if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running! Please stop the service before adding a plugin." else echo "Paste the URL to the .JAR Plugin..." read JARURL JARNAME=$(basename "$JARURL") if [ -d "$TEMPPLUGINS" ] then as_user "cd $PLUGINSPATH && wget -r -A.jar $JARURL -o temp_plugins/$JARNAME" else as_user "cd $PLUGINSPATH && mkdir $TEMPPLUGINS && wget -r -A.jar $JARURL -o temp_plugins/$JARNAME" fi if [ -f "$TMPDIR/$JARNAME" ] then if [ -f "$PLUGINSPATH/$JARNAME" ] then if `diff $PLUGINSPATH/$JARNAME $TMPDIR/$JARNAME >/dev/null` then echo "You are already running the latest version of $JARNAME." else NOW=`date "+%Y-%m-%d_%Hh%M"` echo "Are you sure you want to overwrite this plugin? [Y/n]" echo "Note: Your old plugin will be moved to the "$TEMPPLUGINS" folder with todays date." select yn in "Yes" "No"; do case $yn in Yes ) as_user "mv $PLUGINSPATH/$JARNAME $TEMPPLUGINS/${JARNAME}_${NOW} && mv $TEMPPLUGINS/$JARNAME $PLUGINSPATH/$JARNAME"; break;; No ) echo "The plugin has not been installed! Removing temporary plugin and exiting..." as_user "rm $TEMPPLUGINS/$JARNAME"; exit;; esac done echo "Would you like to start the $SERVICE now? [Y/n]" select yn in "Yes" "No"; do case $yn in Yes ) mc_start; break;; No ) "$SERVICE not running! To start the service run: /etc/init.d/craftbukkit start"; exit;; esac done fi else echo "Are you sure you want to add this new plugin? [Y/n]" select yn in "Yes" "No"; do case $yn in Yes ) as_user "mv $PLUGINSPATH/$JARNAME $TEMPPLUGINS/${JARNAME}_${NOW} && mv $TEMPPLUGINS/$JARNAME $PLUGINSPATH/$JARNAME"; break;; No ) echo "The plugin has not been installed! Removing temporary plugin and exiting..." as_user "rm $TEMPPLUGINS/$JARNAME"; exit;; esac done echo "Would you like to start the $SERVICE now? [Y/n]?" select yn in "Yes" "No"; do case $yn in Yes ) mc_start; break;; No ) "$SERVICE not running! To start the service run: /etc/init.d/craftbukkit start"; exit;; esac done fi else echo "Failed to download the plugin from the URL you specified!" exit; fi fi } mc_scanplugins() { if [ "$(ls -A $PLUGINSPATH)" ] then shopt -s nullglob PLUGINS=($PLUGINSPATH/*.jar) i=1 for f in "${PLUGINS[@]}" do echo "${i}: $f" PLUGIN[$i]=$f i=$(( $i + 1 )) done echo "Enter the ID of a plugin you want removed, or any other key to cancel." read INPUT if [ ! -z "${INPUT##*[!0-9]*}" ] then if [ -f "${PLUGIN[INPUT]}" ] then echo "Removing plugin..." JAR=$(basename ${PLUGIN[INPUT]}) JARNAME=${JAR%.jar} as_user "rm -f ${PLUGIN[INPUT]}" sleep 2 as_user "cd $PLUGINSPATH && rm -rf ./${JARNAME}" if [ -f "${PLUGINSPATH}/${JARNAME}" ] then echo "Plugin folder could not be removed..." fi echo "Plugin removed." else echo "${PLUGIN[INPUT]}" echo "Invalid plugin! Does not exist! Canceling..." exit; fi else echo "Canceling..." exit; fi else echo "You have no plugins installed." exit; fi } mc_backup() { mc_saveoff for i in "${WORLDS[@]}"; do NOW=`date "+%Y-%m-%d_%Hh%M"` BACKUP_FILE="$BACKUPPATH/${i}_${NOW}.tar" echo "Backing up world: $i..." #as_user "cd $MCPATH && cp -r $i $BACKUPPATH/${i}_`date "+%Y.%m.%d_%H.%M""` as_user "tar -C \"$MCPATH\" -cf \"$BACKUP_FILE\" $i" done echo "Backing up $SERVICE" as_user "tar -C \"$MCPATH\" -rf \"$BACKUP_FILE\" $SERVICE" #as_user "cp \"$MCPATH/$SERVICE\" \"$BACKUPPATH/craftbukkit_server_${NOW}.jar\"" mc_saveon echo "Compressing backup..." as_user "tar -cvzf $BACKUPPATH/server_backup_${NOW}.tar.gz $MCPATH" echo "Backup has completed successfully." } mc_command() { command="$1"; if pgrep -u $USERNAME -f $SERVICE > /dev/null then pre_log_len=`wc -l "$MCPATH/server.log" | awk '{print $1}'` echo "$SERVICE is running... executing command" as_user "screen -p 0 -S craftbukkit -X eval 'stuff \"$command\"\015'" sleep .1 # assumes that the command will run and print to the log file in less than .1 seconds # print output tail -n $[`wc -l "$MCPATH/server.log" | awk '{print $1}'`-$pre_log_len] "$MCPATH/server.log" fi } #Start-Stop here case "$1" in start) mc_start ;; stop) mc_stop ;; restart) mc_stop mc_start ;; save) mc_save ;; update) mc_stop mc_backup mc_update mc_start ;; scanplugins) mc_scanplugins ;; addplugin) mc_addplugin ;; backup) mc_backup ;; status) if pgrep -u $USERNAME -f $SERVICE > /dev/null then echo "$SERVICE is running." else echo "$SERVICE is not running." fi ;; command) if [ $# -gt 1 ]; then shift mc_command "$*" else echo "Must specify server command (try 'help'?)" fi ;; *) echo "Usage: $0 {start|stop|update|backup|status|restart|command \"server command\"}" exit 1 ;; esac exit 0

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• Script to only execute during first install of a package

  - by Jeroen

  I recently started packaging up some of my software and publishing it on Launchpad. The installation and removal works fine, but upgrading the package form one version to the next version is problematic. The problem is that there are some scripts that only need to run during the first installation of the package. These scripts populate the DB, create a user, etc. They are currently called in the package.postinst configure) section. However this results in them being called during an upgrade as well as shown in the diagram. Is there a way to include a maintainer script in a .deb package that only executes during the first installation of the package and not during an upgrade? Or what would be an elegant way to include some initial setup scripts in a .deb package?

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• Can't connect VPN/add new VPN connection on 12.04 when using NX

  - by dbotamous

  I remote control my Ubuntu box using NX. I am trying to create a new VPN connection. I click on Configure VPN ? Add ? OpenVPN ? Create then I get a "Editing VPN connection 1" window but everything is grayed out, and I can't edit it. The only button I can click is Cancel. The reason I bring up NX is because if I plug in a monitor keyboard and mouse, I can create, edit import VPN connections just fine. So I imported all the different VPN connections, everything was fine. I then remoted back into the Ubuntu machine with NX, click on my VPN connection, and get VPN Connection Failed - The VPN CONNECTION failed to start. Not authorized to control networking. I then disconnected and reconnected NX, and now all the VPN connections I had imported are gone. Any ideas?

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• How to share Rhythmbox playlists in a network?

  - by Ralf Hersel

  My music is stored on a Synology NAS and Rhythmbox has access via NFS to the music files; works perfect. But how can I share the Rhythmbox playlists? I tried to store the playlists.xml file on the NAS and created a link in the home/user/.local/share/rhythmbox directory to the playlists.xml on the NAS but Rhythmbox converts the link to a local file. Any idea on how to force Rhythmbox to use the link to the playlists.xml file on the NAS?

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• Upgraded to 13.10 now clock settings are all disabled and clock does not display

  - by kervin

  I've upgraded to 13.10 and now I don't have the standard menu clock, which I need for work. I checked and 'indicator-datetime' is installed. I even uninstalled/reinstalled that applet with no luck. Also my "clock" settings under System Preferences are all disabled. I can't change anything. Does anyone know how I can get the old menu clock back? Alternatively is there another menu clock app I can download? Thanks for the responses I've restarted several times and that didn't fix the issue. I just ran the 13.10 update today. But I ran it again a few minutes ago. I got about 200KB in random updates. The issue is still present after a reboot. # apt-cache policy indicator-datetime indicator-datetime: Installed: 13.10.0+13.10.20131016.2-0ubuntu1 Candidate: 13.10.0+13.10.20131016.2-0ubuntu1 Version table: *** 13.10.0+13.10.20131016.2-0ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages 100 /var/lib/dpkg/status

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• Samsung NP305U1A laptop won't resume from suspension

  - by Oskar Pålsson

  I just bought a Samsung NP305U1A laptop and installed Ubuntu Desktop 12.04 LTS on it. Whenever I suspend the computer and try to wake it back up, the monitor only shows a black screen and the only thing I can do is a hard reset. Kernel: 3.2.0-24-generic Graphic: Radeon HD 6320 Anybody know what to do? UPDATE I did some some research and remebered that I installed the "ATI/AMD proprietary FGLRX graphics driver" from the "Additional drivers" software bundled in Ubuntu. I also tried to install the "ATI/AMD proprietary FGLRX graphics driver (post-release updates)" but whenever I do, it gives me an error and I can't continue So I decided to make a clean install of Ubuntu 12.04 again and when i tried the suspension out-of-the-box, it did work. But since I can't install the drivers I need, HD video is choppy like hell. So perhaps the suspension bug was fixed in the post-release updates of the driver, but sadly I cannot install them, and I don't know why.

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• Accessing home directory hangs

  - by Jeff

  Occasionally my laptop will hang when trying to access my home directory. The only fix so far is to reboot and then it goes away for a week. /var/log/kern.log has the following error: Nov 21 13:54:39 Laptop1 kernel: [231480.428107] INFO: task ls:10104 blocked for more than 120 seconds. Nov 21 13:54:39 Laptop1 kernel: [231480.428114] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Nov 21 13:54:39 Laptop1 kernel: [231480.428120] ls D f5dbf6a0 0 10104 9964 0x00000004 Nov 21 13:54:39 Laptop1 kernel: [231480.428130] f3edbd40 00000086 00000001 f5dbf6a0 00000000 00000001 c175dfe0 c1868ec0 Nov 21 13:54:39 Laptop1 kernel: [231480.428145] c1868ec0 054eadaf 0000d250 f5005ec0 ee940cc0 f3e5b300 f3edbcf8 c10e8bfa Nov 21 13:54:39 Laptop1 kernel: [231480.428159] f3edbd10 f3edbd10 f3edbd10 c102b505 fffba7e8 089fa000 f3edbd38 c10fb528 Nov 21 13:54:39 Laptop1 kernel: [231480.428173] Call Trace: Nov 21 13:54:39 Laptop1 kernel: [231480.428189] [<c10e8bfa>] ? lru_cache_add_lru+0x2a/0x50 Nov 21 13:54:39 Laptop1 kernel: [231480.428199] [<c102b505>] ? __kunmap_atomic+0x75/0xa0 Nov 21 13:54:39 Laptop1 kernel: [231480.428207] [<c10fb528>] ? do_anonymous_page+0x1f8/0x280 Nov 21 13:54:39 Laptop1 kernel: [231480.428218] [<c152b656>] __mutex_lock_slowpath+0xc6/0x120 Nov 21 13:54:39 Laptop1 kernel: [231480.428225] [<c152b304>] mutex_lock+0x24/0x40 Nov 21 13:54:39 Laptop1 kernel: [231480.428246] [<f83ab87c>] cifs_reconnect_tcon+0x13c/0x2a0 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428255] [<c152fa00>] ? vmalloc_fault+0xee/0xee Nov 21 13:54:39 Laptop1 kernel: [231480.428262] [<c152fc2f>] ? do_page_fault+0x22f/0x4a0 Nov 21 13:54:39 Laptop1 kernel: [231480.428276] [<f83abe3c>] smb_init+0x2c/0x90 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428285] [<c11aa42e>] ? ext4_htree_store_dirent+0x2e/0x120 Nov 21 13:54:39 Laptop1 kernel: [231480.428301] [<f83b0941>] CIFSSMBQPathInfo+0x41/0x210 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428319] [<f83c39e4>] ? cifs_get_inode_info+0x224/0x390 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428336] [<f83c3a21>] cifs_get_inode_info+0x261/0x390 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428354] [<f83bb35d>] ? build_path_from_dentry+0xcd/0x250 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428362] [<c102b69e>] ? kmap_atomic_prot+0xde/0x100 Nov 21 13:54:39 Laptop1 kernel: [231480.428370] [<c152c4cd>] ? _raw_spin_lock+0xd/0x10 Nov 21 13:54:39 Laptop1 kernel: [231480.428388] [<f83c6378>] ? _GetXid+0x58/0x80 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428405] [<f83c4f81>] cifs_revalidate_dentry_attr+0x111/0x1a0 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428423] [<f83c50e2>] cifs_getattr+0x52/0x120 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428431] [<c112c5b2>] vfs_getattr+0x42/0x70 Nov 21 13:54:39 Laptop1 kernel: [231480.428448] [<f83c5090>] ? cifs_revalidate_dentry+0x40/0x40 [cifs] Nov 21 13:54:39 Laptop1 kernel: [231480.428455] [<c112c647>] vfs_fstatat+0x67/0x80 Nov 21 13:54:39 Laptop1 kernel: [231480.428461] [<c112c680>] vfs_lstat+0x20/0x30 Nov 21 13:54:39 Laptop1 kernel: [231480.428468] [<c112c946>] sys_lstat64+0x16/0x30 Nov 21 13:54:39 Laptop1 kernel: [231480.428475] [<c11341ed>] ? link_path_walk+0x79d/0x8a0 Nov 21 13:54:39 Laptop1 kernel: [231480.428483] [<c152c8e4>] syscall_call+0x7/0xb

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• Black Screen after Resume from Sleep (Kubuntu)

  - by user20271

  I know there is a lot of other posts like this, but I have been looking for hours and I still haven't found any solution. I have recently installed Kubuntu Linux along side my Windows 7, the sleep on my Win7 works fine and resumes like normal. When I am loaded into Kubuntu, and I put my laptop to sleep, it goes into sleep as normal. When I go to RESUME from the sleep, the screen stays solid black, it doesn't light up, no blinking curser or anything. The Wi-Fi light is 'off' (orange) and I cannot turn it on. The Caps lock and the Num lock lights on the keyboard blink slowly. I hear something on the inside of the computer start to spin. I am not very experienced with Kubuntu/Linux, but I do know a bunch of computer terminology, I am still far from an expert though. I have about 300GB designated to my Win7 stuff, and another partition with about 100GB for my Kubuntu Linux. My computers specs are as follows: Windows 7 64-bit I have the most recent version of Kubuntu because I just downloaded it a few days ago and updated it yesterday. AMD Athlon Duel-Core processor 4GB of RAM And it is a HP G61 Laptop

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• How do I fix my theme?

  - by SepiDev

  After installing and using Ubuntu 11.10 for while I decided to install gnome shell. After Installing and rebooting my system I saw that Ubuntu light theme (ambiance/radiance) is gone. I check /usr/shar/themes and /usr/shar/icons, it seems that the light themes and mono icons exist. I even reinstalled gtk3-engine-unico package but none of these effort fixed my problem :( my desktop now looks like this: What should I do to get my default ubuntu theme back?

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• That pestky Intel Centrino wireless N + WiMAX 6150 wireless card

  - by newb26

  I'm new to linix and just got Ubuntu up and running on my ASUS laptop last night. Aside from the wireless everything seems to be working. The card is able to recognize networks but cannot make a full connection. After I enter my password it will try to connect before asking for the password again after a few minutes. I know the issue isn't the password because I checked that I had the right one. I've done some poking around trying to find a way to get it work. Linix recognizes the card as well. I found a link to some drivers in a question someone had about a WiMAX 6250 card and am curious if anyone knows if they would also work for the 6150 I have in my machine: https://github.com/ago/wimax-tools If not what can I do?

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• How to change default boot with two Ubuntus?

  - by d3vid

  I currently have 11.10 and 12.04 Beta running side-by-side. Since installing the beta, I am presented with a GRUB2 menu every time I boot up, which selects 12.04 by default. (Aside: when the 11.10 kernel updated from 3.0.0-16 to 3.0.0-17 this option did not appear in the GRUB2 menu.) When I open Grub Customizer in 11.10, it shows 11.10 kernel 3.0.0-17 as the default, when I open Grub Customizer in 12.04, it shows 12.04 as the default. How can I change GRUB2 to pick the latest 11.10 kernel as the default? (Latest means that if 3.0.0-18 is released it will become the default, and so on.) And also stop displaying the menu (I only boot into the beta when I have something specific to test). Generic answers that apply to any two Ubuntus running side-by-side are preferred.

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• input / output error, drives randomly refusing to read / write

  - by ILMV

  I have an issue with one of our servers running Ubuntu 10.04, it is running BackupPC and collects backups from various machines / servers around the building. On the 8th minute (12:08, 12:18, 12:28 etc) the backups are transferred to an external hard drive, we have three and rotate one drive for another everyday. The problem we are having is we are randomly experiencing input / output errors, when this happens you cannot read / write to the drive, it hasn't unmounted so I can cd to the mount point /media/backup1. The drives are not faulty as it's happening on all of them, so I'm at a loss as to what the problem could be, here is an example of the many errors we get: gzip: stdout: Input/output error /var/lib/backuppc/backuppc_offline: line 47: /media/backup1/Tue/offline.log: Input/output error ls: cannot access /media/backup1/Tue/incr_1083_host1.something.co.uk.tar.gz: Input/output error ls: cannot access /media/backup1/Tue/incr_1088_host1.something.co.uk.tar.gz: Input/output error ls: cannot access /media/backup1/Tue/incr_1089_host1.something.co.uk.tar.gz: Input/output error ls: cannot access /media/backup1/Tue/incr_1090_host1.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 39: /media/backup1/Tue/offline.log: Input/output error /var/lib/backuppc/backuppc_offline: line 44: /media/backup1/Tue/offline.log: Input/output error /var/lib/backuppc/backuppc_offline: line 45: /media/backup1/Tue/incr_1090_host1.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 47: /media/backup1/Tue/offline.log: Input/output error ls: cannot access /media/backup1/Tue/incr_591_tech2.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 44: /media/backup1/Tue/offline.log: Input/output error /var/lib/backuppc/backuppc_offline: line 45: /media/backup1/Tue/incr_591_tech2.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 47: /media/backup1/Tue/offline.log: Input/output error ls: cannot access /media/backup1/Tue/incr_592_tech3.something.co.uk.tar.gz: Input/output error ls: cannot access /media/backup1/Tue/incr_593_tech3.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 44: /media/backup1/Tue/offline.log: Input/output error /var/lib/backuppc/backuppc_offline: line 45: /media/backup1/Tue/incr_593_tech3.something.co.uk.tar.gz: Input/output error /var/lib/backuppc/backuppc_offline: line 47: /media/backup1/Tue/offline.log: Input/output error EDIT » Resolved So it turns out Quamis was right, even though I didn't think it was possible it was actually a problem with the drive. You see we have three drives all formatted to ext2, on two of them we were getting I/O errors frequently, I cam back to Quamis' answer and discovered the fsck command, so ran it against the problems drives: fsck /dev/sdb1 This found and fixed a load of problems on the drive, most probably caused by power outages / unsafe removal of drives etc, as the drives are in the xt2 format they aren't journalled and thus aren't protected against such issues. Drives are now working beautifully, thanks all! :D

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• lubuntu notify-send remove limit of 21?

  - by giuspen

  sending notifications with notify-send in lubuntu notify-send -i error -t 1000 "Error" "error notification" I can send only 21 of them, after that no more notifications sent, the only way to receive more notifications is to click on the panel where there's a letter with the number 21 and then click on the button "clear all notifications". Is there a way to avoid the need to go clicking the button, also is there a way to remove at all that letter with number of notifications received? UPDATE: I realize that notification-daemon (0.7.3) is used. I downloaded the sources and edited the source code (nd-queue.c - on_bubble_destroyed) to do not buffer but always destroy the bubbles but I would prefer another way...

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• How can I find installed web applications?

  - by Jo-Erlend Schinstad

  I've installed LAMP Server using tasksel. I've installed phpMyAdmin, which I know from experience gets in /phpmyadmin. That works. Then I installed drupal6. I assumed that it would get in /drupal, but that's not the case. How can I find that kind of information? Of course, in this case, I'm looking for my Drupal install, but I would like to avoid having to spend so much time every time I install a web application, so I'm looking for a generic way.

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• Script to setup ubuntu as a wireless accesspoint on a bridge mode

  - by nixnotwin

  I use the following script to make my netbook a full-fledged wireless accesspoint. It creates a bridge with eth0 and wlan0 and starts hostapd. #!/bin/bash service network-manager stop ifconfig eth0 0.0.0.0 #remove IP from eth0 ifconfig eth0 up #ensure the interface is up ifconfig wlan0 0.0.0.0 #remove IP from eth1 ifconfig wlan0 up #ensure the interface is up brctl addbr br0 #create br0 node hostapd -d /etc/hostapd/hostapd.conf > /var/log/hostapd.log & sleep 5 brctl addif br0 eth0 #add eth0 to bridge br0 brctl addif br0 wlan0 #add wlan0 to bridge br0 ifconfig br0 192.168.1.15 netmask 255.255.255.0 #ip for bridge ifconfig br0 up #bring up interface route add default gw 192.168.1.1 # gateway This script works efficiently. But if I want to revert back to use Network Manager, I cannot do it. The bridge simply cannot be deleted. How can I modify this script so that if I run bridge_script --stop, the bridge gets deleted, network manager starts and interfaces behave as if the machine had a fresh reboot.

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• Do I need to install a package (openSWAN or strongSWAN maybe) to use ipsec?

  - by user68886

  I want to connect to a windows share that only accepts ipsec transport mode. I have a list of security policies and a shared secret. I've skimmed through the man page on ipsec.conf on the web and it seems to be the place to put these polices. If ipsec is part of the kernel (and I think it is, I'm using Ubuntu 12.04) do I need to install some other package in order to get this working? I'm guessing it's either openSWAN or strongSWAN but don't know the difference.

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• Installing Yaws server on Ubuntu 12.04 (Using a cloud service)

  - by Lee Torres

  I'm trying to get a Yaws web server working on a cloud service (Amazon AWS). I've compilled and installed a local copy on the server. My problem is that I can't get Yaws to run while running on either port 8000 or port 80. I have the following configuration in yaws.conf: port = 8000 listen = 0.0.0.0 docroot = /home/ubuntu/yaws/www/test dir_listings = true This produces the following successful launch/result: Eshell V5.8.5 (abort with ^G) =INFO REPORT==== 16-Sep-2012::17:21:06 === Yaws: Using config file /home/ubuntu/yaws.conf =INFO REPORT==== 16-Sep-2012::17:21:06 === Ctlfile : /home/ubuntu/.yaws/yaws/default/CTL =INFO REPORT==== 16-Sep-2012::17:21:06 === Yaws: Listening to 0.0.0.0:8000 for <3> virtual servers: - http://domU-12-31-39-0B-1A-F6:8000 under /home/ubuntu/yaws/www/trial - =INFO REPORT==== 16-Sep-2012::17:21:06 === Yaws: Listening to 0.0.0.0:4443 for <1> virtual servers: - When I try to access the the url (http://ec2-72-44-47-235.compute-1.amazonaws.com), it never connects. I've tried using paping to check if port 80 or 8000 is open(http://code.google.com/p/paping/) and I get a "Host can not be resolved" error, so obviously something isn't working. I've also tried setting the yaws.conf so its at Port 80, appearing like this: port = 8000 listen = 0.0.0.0 docroot = /home/ubuntu/yaws/www/test dir_listings = true and I get the following error: =ERROR REPORT==== 16-Sep-2012::17:24:47 === Yaws: Failed to listen 0.0.0.0:80 : {error,eacces} =ERROR REPORT==== 16-Sep-2012::17:24:47 === Can't listen to socket: {error,eacces} =ERROR REPORT==== 16-Sep-2012::17:24:47 === Top proc died, terminate gserv =ERROR REPORT==== 16-Sep-2012::17:24:47 === Top proc died, terminate gserv =INFO REPORT==== 16-Sep-2012::17:24:47 === application: yaws exited: {shutdown,{yaws_app,start,[normal,[]]}} type: permanent {"Kernel pid terminated",application_controller," {application_start_failure,yaws,>>>>>>{shutdown,>{yaws_app,start,[normal,[]]}}}"} I've also opened up the port 80 using iptables. Running sudo iptables -L gives this output: Chain INPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- ip-192-168-2-0.ec2.internal ip-192-168-2-16.ec2.internal tcp dpt:http ACCEPT tcp -- 0.0.0.0 anywhere tcp dpt:http ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED ACCEPT tcp -- anywhere anywhere tcp dpt:http ACCEPT tcp -- anywhere anywhere tcp dpt:http Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination In addition, I've gone to the security group panel in the Amazon AWS configuration area, and add ports 80, 8000, and 8080 to ip source 0.0.0.0 Please note: if you try to access the URL of the virtual server now, it likely won't connect because I'm not running currently running the yaws daemon. I've tested it when I've run yaws either through yaws or yaws -i Thanks for the patience

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• Security Tips for super user in Ubuntu 11.10?

  - by Gaurav_Java

  Ubuntu is a relatively safe but this should not prevent you to be vigilant. I'm working on securing Ubuntu 11.10 and was looking for every tip to secure my Ubuntu 11.10 and upcoming version 12.04. I go through this question . But my Question is Begin as Super User and as Normal user also. Which is Best tools which I can use for preventing my data? What Services and features I Enable Manually after installing ubuntu ? What security measure I should take? What i don't do ? What are other precaution some takes as super user? what are Normal security stay patched in ubuntu? and if i am missing something then please add them

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• Error while running Jetty Server on port 80 as non root user

  - by user75016

  All, I was trying to setup jetty on port 80 but its giving exception saying permission denied as below. I have setup jetty to work with setuid and configured start.ini as follows: OPTIONS=Server,jsp,jmx,resources,websocket,ext,plus,annotations,jta,jdbc,setuid (below as first configuration file in start.ini) etc/jetty-setuid.xml and jetty-setuid.xml file with username and group name of non root user. 2012-07-03 15:29:02.411:INFO:oejdp.ScanningAppProvider:Deployment monitor /opt/jetty-hightide-8.1.3.v20120416/contexts at interval 1 2012-07-03 15:29:02.454:WARN:oejuc.AbstractLifeCycle:FAILED [email protected]:80: java.net.SocketException: Permission denied java.net.SocketException: Permission denied at sun.nio.ch.Net.bind(Native Method) at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:126) at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:59) at org.eclipse.jetty.server.nio.SelectChannelConnector.open(SelectChannelConnector.java:182) at org.eclipse.jetty.server.AbstractConnector.doStart(AbstractConnector.java:311) at org.eclipse.jetty.server.nio.SelectChannelConnector.doStart(SelectChannelConnector.java:260) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59) at org.eclipse.jetty.server.Server.doStart(Server.java:273) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59) at org.eclipse.jetty.xml.XmlConfiguration$1.run(XmlConfiguration.java:1215) at java.security.AccessController.doPrivileged(Native Method) at org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1138) 2012-07-03 15:29:02.455:WARN:oejuc.AbstractLifeCycle:FAILED org.eclipse.jetty.server.Server@66da9ea4: java.net.SocketException: Permission denied java.net.SocketException: Permission denied

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• How to install Oracle Database 11g Express Edition on Ubuntu 12.10?

  - by Praneeth Pj

  I installed the Oracle database following the steps mentioned in this blog. Downloaded 11g express edition Created a new user oracle under the group dba. Following steps are executed using this. Unzipped oracle-xe-11.2.0-1.0.x86_64.rpm.zip and then converted the rpm to the Ubuntu package by running: sudo alien --scripts -d oracle-xe-11.2.0-1.0.x86_64.rpm Created /sbin/chkconfig file and added the entries as specified there. Created /etc/sysctl.d/60-oracle.conf and added the entries as specified in the same link as above. Running the commands: ln -s /usr/bin/awk /bin/awk mkdir /var/lock/subsys touch /var/lock/subsys/listener .deb generated in step 3: sudo dpkg --install oracle-xe_11.2.0-2_amd64.deb Left the default values as it is: sudo /etc/init.d/oracle-xe configure Set the following env variables in ~/.bashrc file: export ORACLE_HOME=/u01/app/oracle/product/11.2.0/xe export ORACLE_SID=XE export NLS_LANG=`$ORACLE_HOME/bin/nls_lang.sh` export ORACLE_BASE=/u01/app/oracle export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH export PATH=$ORACLE_HOME/bin:$PATH Running the commands: chown -R oracle:dba /var/tmp/.oracle chmod -R 755 /var/tmp/.oracle chown -R oracle:dba /tmp/.oracle chmod -R 755 /tmp/.oracle Starting Oracle Database 11g Express Edition instance: sudo service oracle-xe start sqlplus / as sysdba and got the following: SQL*Plus: Release 11.2.0.2.0 Production on Thu Jan 3 09:41:58 2013 Copyright (c) 1982, 2011, Oracle. All rights reserved. Connected to an idle instance. Now when exectuting any SQL statements on SQLplus, I end up with the following error: SQL> select * from dual; select * from dual * ERROR at line 1: ORA-01034: ORACLE not available Process ID: 0 Session ID: 0 Serial number: 0 I have increased the swap memory as specified here $ free -m total used free shared buffers cached Mem: 3901 3428 473 0 182 1988 -/+ buffers/cache: 1258 2643 Swap: 5066 0 5066

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• Problem with webcam after changing camera input to my iPhone's camera [closed]

  - by andrew

  While trying to use my iPhone as a webcam I changed the paths for the camera input - now I can neither use the built-in webcam nor my iPhone's camera This is the website where I got the information from: http://www.kudanai.com/2010/11/howto-use-your-iphone-as-webcam-in.html I got stuck at the loopback part. I would just like to know how to set the path back to my built-in camera so I can at least use that. Or if there is some way to reset the camera input settings. I'm using an Inspiron 1525 running Ubuntu 12.04 LTS. memory:2.9 GiB Processor:Intel® Core™2 Duo CPU T5750 @ 2.00GHz × 2 OS type: 64-bit

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