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• Slowdowns while using Firefox

  - by aneal

  I have Windows 7 and Natty installed on my computer. There is no problem on Windows 7's side, but whenever I log into Natty, it slows down while using Firefox 4. I tried it in normal mode using Unity and classic mode. However, the result is the same: it slows down e.g. when I scroll, it takes time to get effect, and also when I click other tabs, it takes time to active them. Moreover I cannot type properly, due to the lag. I don't know what the problem is?

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• Nautilus doesn't work

  - by bruce

  Whenever I open nautilus it crashes and I get this error in terminal. i am running saucy. does anybody know of a different file manger that i can install? sys:1: Warning: g_object_set: assertion 'G_IS_OBJECT (object)' failed totem-video-thumbnailer couldn't open file 'file:///home/bruce/New%20Project.ogv' sys:1: Warning: g_object_unref: assertion 'G_IS_OBJECT (object)' failed Segmentation fault (core dumped)

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• How to find location of installed library

  - by Raven

  Background: I'm trying to build my program but first I need to set up libraries in netbeans. My project is using GLU and therefore I installed libglu-dev. I didn't note location where the libraries were located and now I can't find them.. I've switched to Linux just a few days ago and so far I'm very content with it, however I couldn't google this one out and becoming frustrated.. Is there way to find out where files of package were installed without running installation again? I mean if I got library xxx and installed it some time ago, is there somecommand xxx that will print this info? I've already tried locate, find and whereis commands but either I'm missing something or I just can't do it correctly.. for libglu, locate returns: /usr/share/bug/libglu1-mesa /usr/share/bug/libglu1-mesa/control /usr/share/bug/libglu1-mesa/script /usr/share/doc/libglu1-mesa /usr/share/doc/libglu1-mesa/changelog.Debian.gz /usr/share/doc/libglu1-mesa/copyright /usr/share/lintian/overrides/libglu1-mesa /var/lib/dpkg/info/libglu1-mesa:i386.list /var/lib/dpkg/info/libglu1-mesa:i386.md5sums /var/lib/dpkg/info/libglu1-mesa:i386.postinst /var/lib/dpkg/info/libglu1-mesa:i386.postrm /var/lib/dpkg/info/libglu1-mesa:i386.shlibs Other two commands fail to find anything. Now locate did it's job but I'm sure none of those paths is where the library actually resides (at least everything I was linking so far was in /usr/lib or usr/local/lib). The libglu was introduced just as example, I'm looking for general solution for this problem.

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• Simultaneous remote connections

  - by user3215

  Is there any package for Ubuntu which allows me to connect to remote computer without disturbing or terminating others who have already connected to that server or who are accessing the computer directly?. I remember I did this in Windows Server 2003 installing Terminal Server when I was doing my course which allowed multiple clients to connect to the server simultaneously with no disturbance to clients and even direct access to server. Is there any package like this for Ubuntu desktops?

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• Why is my Ubuntu system not using the correct kernel?

  - by Brooks Moses

  We're having a bit of confusion on a Ubuntu remote system -- /boot/grub/menu.lst suggests the system should boot into kernel 2.6.35-30-generic, but it is actually running kernel 2.6.32-27-generic. Where should I look to start figuring out why this is happening and how to fix it? Specifically, /boot/grub/menu.lst has default 0 and the first entry is title Ubuntu 10.10, kernel 2.6.35-30-generic uuid 67717ee3-cbf9-45d2-ae97-820256f4c4fd kernel /boot/vmlinuz-2.6.35-30-generic root=UUID=67717ee3-cbf9-45d2- ae97-820256f4c4fd ro quiet splash initrd /boot/initrd.img-2.6.35-30-generic Further, I've confirmed that /boot/vmlinuz-2.6.35-30-generic and /boot/initrd.img-2.6.35-30-generic exist and have appropriate permissions. Meanwhile, uname -a returns: $ uname -a Linux cuda2 2.6.32-27-generic #49-Ubuntu SMP Thu Dec 2 00:51:09 UTC 2010 x86_64 GNU/Linux Edit: I've also tried re-running update-grub, and rebooting; no luck. Here's the full menu.lst, as requested by a commenter: # menu.lst - See: grub(8), info grub, update-grub(8) # grub-install(8), grub-floppy(8), # grub-md5-crypt, /usr/share/doc/grub # and /usr/share/doc/grub-legacy-doc/. ## default num # Set the default entry to the entry number NUM. Numbering starts from 0, and # the entry number 0 is the default if the command is not used. # # You can specify 'saved' instead of a number. In this case, the default entry # is the entry saved with the command 'savedefault'. # WARNING: If you are using dmraid do not use 'savedefault' or your # array will desync and will not let you boot your system. default 0 ## timeout sec # Set a timeout, in SEC seconds, before automatically booting the default entry # (normally the first entry defined). timeout 3 ## hiddenmenu # Hides the menu by default (press ESC to see the menu) hiddenmenu # Pretty colours #color cyan/blue white/blue ## password ['--md5'] passwd # If used in the first section of a menu file, disable all interactive editing # control (menu entry editor and command-line) and entries protected by the # command 'lock' # e.g. password topsecret # password --md5 $1$gLhU0/$aW78kHK1QfV3P2b2znUoe/ # password topsecret # # examples # # title Windows 95/98/NT/2000 # root (hd0,0) # makeactive # chainloader +1 # # title Linux # root (hd0,1) # kernel /vmlinuz root=/dev/hda2 ro # # # Put static boot stanzas before and/or after AUTOMAGIC KERNEL LIST ### BEGIN AUTOMAGIC KERNELS LIST ## lines between the AUTOMAGIC KERNELS LIST markers will be modified ## by the debian update-grub script except for the default options below ## DO NOT UNCOMMENT THEM, Just edit them to your needs ## ## Start Default Options ## ## default kernel options ## default kernel options for automagic boot options ## If you want special options for specific kernels use kopt_x_y_z ## where x.y.z is kernel version. Minor versions can be omitted. ## e.g. kopt=root=/dev/hda1 ro ## kopt_2_6_8=root=/dev/hdc1 ro ## kopt_2_6_8_2_686=root=/dev/hdc2 ro # kopt=root=UUID=67717ee3-cbf9-45d2-ae97-820256f4c4fd ro ## default grub root device ## e.g. groot=(hd0,0) # groot=67717ee3-cbf9-45d2-ae97-820256f4c4fd ## should update-grub create alternative automagic boot options ## e.g. alternative=true ## alternative=false # alternative=true ## should update-grub lock alternative automagic boot options ## e.g. lockalternative=true ## lockalternative=false # lockalternative=false ## additional options to use with the default boot option, but not with the ## alternatives ## e.g. defoptions=vga=791 resume=/dev/hda5 # defoptions=quiet splash ## should update-grub lock old automagic boot options ## e.g. lockold=false ## lockold=true # lockold=false ## Xen hypervisor options to use with the default Xen boot option # xenhopt= ## Xen Linux kernel options to use with the default Xen boot option # xenkopt=console=tty0 ## altoption boot targets option ## multiple altoptions lines are allowed ## e.g. altoptions=(extra menu suffix) extra boot options ## altoptions=(recovery) single # altoptions=(recovery mode) single ## controls how many kernels should be put into the menu.lst ## only counts the first occurence of a kernel, not the ## alternative kernel options ## e.g. howmany=all ## howmany=7 # howmany=all ## specify if running in Xen domU or have grub detect automatically ## update-grub will ignore non-xen kernels when running in domU and vice versa ## e.g. indomU=detect ## indomU=true ## indomU=false # indomU=detect ## should update-grub create memtest86 boot option ## e.g. memtest86=true ## memtest86=false # memtest86=true ## should update-grub adjust the value of the default booted system ## can be true or false # updatedefaultentry=false ## should update-grub add savedefault to the default options ## can be true or false # savedefault=false ## ## End Default Options ## title Ubuntu 10.10, kernel 2.6.35-30-generic uuid 67717ee3-cbf9-45d2-ae97-820256f4c4fd kernel /boot/vmlinuz-2.6.35-30-generic root=UUID=67717ee3-cbf9-45d2-ae97-820256f4c4fd ro quiet splash initrd /boot/initrd.img-2.6.35-30-generic title Ubuntu 10.10, kernel 2.6.35-30-generic (recovery mode) uuid 67717ee3-cbf9-45d2-ae97-820256f4c4fd kernel /boot/vmlinuz-2.6.35-30-generic root=UUID=67717ee3-cbf9-45d2-ae97-820256f4c4fd ro single initrd /boot/initrd.img-2.6.35-30-generic title Ubuntu 10.10, kernel 2.6.32-32-server uuid 67717ee3-cbf9-45d2-ae97-820256f4c4fd kernel /boot/vmlinuz-2.6.32-32-server root=UUID=67717ee3-cbf9-45d2-ae97-820256f4c4fd ro quiet splash initrd /boot/initrd.img-2.6.32-32-server title Ubuntu 10.10, kernel 2.6.32-32-server (recovery mode) uuid 67717ee3-cbf9-45d2-ae97-820256f4c4fd kernel /boot/vmlinuz-2.6.32-32-server root=UUID=67717ee3-cbf9-45d2-ae97-820256f4c4fd ro single initrd /boot/initrd.img-2.6.32-32-server title Ubuntu 10.10, kernel 2.6.32-27-generic uuid 67717ee3-cbf9-45d2-ae97-820256f4c4fd kernel /boot/vmlinuz-2.6.32-27-generic root=UUID=67717ee3-cbf9-45d2-ae97-820256f4c4fd ro quiet splash initrd /boot/initrd.img-2.6.32-27-generic title Ubuntu 10.10, kernel 2.6.32-27-generic (recovery mode) uuid 67717ee3-cbf9-45d2-ae97-820256f4c4fd kernel /boot/vmlinuz-2.6.32-27-generic root=UUID=67717ee3-cbf9-45d2-ae97-820256f4c4fd ro single initrd /boot/initrd.img-2.6.32-27-generic title Chainload into GRUB 2 root 67717ee3-cbf9-45d2-ae97-820256f4c4fd kernel /boot/grub/core.img title Ubuntu 10.10, memtest86+ uuid 67717ee3-cbf9-45d2-ae97-820256f4c4fd kernel /boot/memtest86+.bin ### END DEBIAN AUTOMAGIC KERNELS LIST To add complication and joy to my life, this is a desktop machine in a remote datacenter; we don't have either local access or serial-console access. Suggestions?

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• My mouse pointer disappears on "system surfaces" , like background picture, menus, background for all kind of system menus

  - by Siegfried

  I have an annoying problem with Ubuntu 11.10, my mouse pointer disappears on the Ubuntu surface ( not in programs like firefox, libre office ..) The mouse pointer is there, but its size is only one pixel and in the white background of e.g. "system" it is not seen at all, although with "ctrl" I can see where it should be. I have not found any place where I can change the size or colors of the mouse pointer. Can anybody help me?

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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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• Not Working Nvidia GT 635M drivers

  - by Andres

  I'm having problems trying to use my Nvidia 635M in my asus N46VJ laptop. I open the "Nvidia X server settings" I get this message : "You do not appear to be using the NVIDIA X driver. Please edit your X configuration file (just run nvidia-xconfig as root), and restart the X server." I open the terminal typi "sudo nvidia-xconf" and this creates a file, /etc/X11/xorg.conf After reboot I'm in a lower resolution of 640x480, without other options to change it, then open the Details system and it shows me this in the Graphic item: Intel® Ivybridge Mobile I type this in the terminal (no idea what that means, I just saw it in a forum!!!) lspci -vnn | grep '\''[030[02]]' and get this: 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GF108M [GeForce GT 635M] [10de:0de3] (rev a1) (prog-if 00 [VGA controller]) I installed bumblebee but nothings happens additionally the additional drivers shows me "no propietary Drivers are in use on this system"

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• LEMP Stack on Ubuntu Server 13.04 not parsing PHP Switch Statement Properly

  - by schester

  On my Ubuntu 12.04 Server LTS on nginx 1.1.19, the following PHP code works properly: switch($_SESSION['user']['permissions']) { case 9: echo "Super Admin Privileges"; break; case 0: echo "Operator Privileges"; break; case 1: echo "Line Leader Privileges"; break; case 2: echo "Supervisor Privileges"; break; case 3: echo "Engineer Privileges"; break; case 4: echo "Manager Privileges"; break; case 5: echo "Administrator Privileges"; break; default: echo "Operator Privileges"; } However, I have a backup server running Ubuntu Server 13.04 on nginx 1.4.1 which has the exact same copy of the script (synced) but instead of breaking on the break; command, it echos the whole php script. The output on the 12.04 Box is similar to this: You are logged in with Super Admin Privileges But on the 13.04 Box, the output is like this: You are logged in logged in with Super Admin Privileges"; break; case 0: echo "Operator Privileges"; break; case 1: echo "Line Leader Privileges"; break; case 2: echo "Supervisor Privileges"; break; case 3: echo "Engineer Privileges"; break; case 4: echo "Manager Privileges"; break; case 5: echo "Administrator Privileges"; break; default: echo "Operator Privileges"; } ?> I have also tried changing the script from switch statement to if statements but same results. Any idea what is wrong?

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• snmpd agent sends duplicate traps

  - by jsnmp

  I am on Ubuntu 10.04.4 LTS, and I cannot upgrade to a higher version. I have installed the snmpd agent (NET-SNMP version 5.4.2.1) with an apt-get install snmpd command. When an event occurs which sends a trap, two traps are sent for each such event instead of one. For example, when I shut down the agent with command /etc/init.d/snmpd stop, two shutdown traps are sent to the destination host. If I then start back up the agent with command /etc/init.d/snmpd start, then two cold start traps are sent to the destination host. Is this a known issue? Is there a fix for this, or is there a configuration change that is needed to prevent the sending of the duplicate trap? These are the contents of the /etc/snmp/snmpd.conf file: rocommunity public authtrapenable 1 trap2sink <trap destination hostname> public These are the contents of the /etc/default/snmpd file: # This file controls the activity of snmpd and snmptrapd # MIB directories. /usr/share/snmp/mibs is the default, but # including it here avoids some strange problems. export MIBDIRS=/usr/share/snmp/mibs # snmpd control (yes means start daemon). SNMPDRUN=yes # snmpd options (use syslog, close stdin/out/err). SNMPDOPTS='-Ls3d -Lf /dev/null -u snmp -p /var/run/snmpd.pid -c /etc/snmp/snmpd.conf' # snmptrapd control (yes means start daemon). As of net-snmp version # 5.0, master agentx support must be enabled in snmpd before snmptrapd # can be run. See snmpd.conf(5) for how to do this. TRAPDRUN=no # snmptrapd options (use syslog). TRAPDOPTS='-Lsd -p /var/run/snmptrapd.pid' # create symlink on Debian legacy location to official RFC path SNMPDCOMPAT=yes

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• Red Dot Scope Makes Sighting In Long Lenses a Snap

  - by Jason Fitzpatrick

  If you’ve ever used a high power lens, you know how tricky it can be to sight a distant subject as the field of view through the lens is so tiny. This hack takes care of that problem by using a zero-magnification red dot rifle scope. Chris Malcolm enjoys photographing birds and other wildlife with high power lenses. The problem, when shooting with huge 500mm lens and other high power lenses, is that they’re practically telescopes and acquiring a fast moving target like a bird using a through-the-lens technique is very tricky. Malcolm’s solution hinges on mounting a zero-magnification red dot rifle scope in parallel with the lens. His mock up is a bit unpolished (although we can understand not wanting to run out and buy a brand new black scope just for the experiment) but works great to get him on target. Hit up the link below to read more about his build, how be created the rail mount for the scope, and why he opted to mount it to the barrel of the lens and not the hot shoe mount on the camera. 500mm Reflex Lens with Red Dot Sight [via DIY Photography] Make Your Own Windows 8 Start Button with Zero Memory Usage Reader Request: How To Repair Blurry Photos HTG Explains: What Can You Find in an Email Header?

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• Running 12.04 as a gateway - resolvconf, dhclient and dnsmasq integration

  - by Adam

  I have a gateway server which is set up originally with Ubuntu desktop 12.04 - perhaps a mistake, I don't know, something to bear in mind. I ripped out network-manager and now want to get resolvconf, dhclient and dnsmasq to play well together. dhclient gets the gateway's eth0 WAN ip address and the ISP DNS name server from the modem. dnsmasq needs to serve dhcp to the rest of the lan on eth1 and acts as a DNS cache both for the lan and for the gateway machine. I also set up iptables as a firewall. Right now, the gateway's /etc/resolv.conf shows only name server = 127.0.0.1 which is correct AFAIK. However I don't think that dhclient is giving dnsmasq the ISP DNS name server nor is dnsmasq picking up the OpenDNS and Google name servers I specified in /etc/network/interfaces - at the moment look-ups, i.e. ping or surfing, don't work unless I manually edit /etc/resolv.conf to put in an upstream name server like 8.8.8.8 So I removed the resolvconf package. Now I'm not getting dhcp on my lan and I'm not able to do DNS look-ups on the host itself - I can surf and ping on the net, but not 127.0.0.1. Where do I go from here? This setup with the config for dhclient and dnsmasq, and the same resolv.conf and hosts files worked on my old debian box.

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• I can't open Ubuntu Software Center

  - by user165700

  I downloaded google chrome that was made for my computer from https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb. For some reason after I installed I can't open. Also in the corner where the time and other things are there's this red circle with a white dash in the middle of it. It says "An error occured, please run package manager from the right click menu or apt-get in a terminal to see what is wrong. The error message was: 'Unknown Error:''(E:The package google-chrome-stable needs to be reinstalled,but I can't find an archive for it.)' This usually means that your installed packages have unmet dependencies.

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• conky stopped displaying after daul monitors setup -- works when I detect monitors

  - by synaptik

  I just recently installed Ubuntu 12.04 on a clean install. I previously was using 11.10. I am also using a new laptop with a Dell docking-station and two external monitors. When I try to use the .conkyrc file that I used previously, my conky display simply doesn't show up anywhere. However, after I went to System Settings Displays and made some slight change that caused the monitors to refresh, then conky appeared as it should. Here is my .conkyrc file: background yes use_xft yes xftfont DejaVu Sans Mono:size=8 xftalpha 0.8 out_to_console no update_interval 2.0 total_run_times 0 draw_shades no short_units yes # Create own window instead of using desktop (required in nautilus) own_window yes # If own_window is yes, you may use type normal, desktop or override own_window_type override # Use pseudo transparency with own_window? own_window_transparent yes double_buffer yes default_color f0e68c color1 white color2 AD0303 alignment bottom_left gap_x 2 gap_y 30 no_buffers yes use_spacer right pad_percents 3 xftfont Terminus:size=10 TEXT $stippled_hr cpu1: ${color1}${cpu cpu1}% ${color} cpu2: ${color1}${cpu cpu2}% ${color} load: ${color1}$loadavg ${color} hot proc: ${color1}${top cpu 1}% - ${top name 1}${color} $stippled_hr big proc: ${color1}${top_mem mem_res 1} - ${top_mem name 1}${color} memory: ${color1}$mem/$memmax $memperc%${color} $stippled_hr disk: ${color1}${fs_used /}/${fs_size /}${color} swap: ${color1}${swap}/${swapmax}${color} ${diskiograph_read 15,120 color1 0077ff 750} ${diskiograph_write 15,120 color1 0077ff 750} $stippled_hr download: ${color1}${downspeed wlan0} /s${color} ${downspeedgraph eth0 20,120 104E8B 0077ff} upload: ${color1}${upspeed wlan0} /s${color} ${upspeedgraph eth0 20,120 104E8B 0077ff} How can I fix it so that I don't have to tamper with the Displays settings in order for conky to show up?

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• How can I install Ubuntu Saucy Server with BTRFS?

  - by Walter Souto

  So, a week ago I installed the latest beta version of Ubuntu Saucy Server in a MacMini using BTRFS as only partition to mount "/" on it (I know it's not recommended to do this, but it's not the point here) with no problems et al. Everything went just "naturally"... Now with the released image of 13.10 server, I just can't get any BTRFS partition done from installer. I'm getting a "Can't create filesystem" error whenever I try to create any BTRFS partition, like the 13.10 server final installer can't handle format BTRFS partitions... Am I doing something wrong? Or it's a bug in the installer? Is there anything that I can do to workaround this and get my BTRFS partition set on installation, or I'll need to work this after the installation. I can just leave some space left and create a btrfs partition later on, with Saucy already installed and proceed to use to LXC (which is my solo purpose to have btrfs), but anyway, why installer can't do btrfs anymore?

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• User interfirance, themes, Broken, Unreadable parts

  - by Adames

  Arther going on a customizing spree my the desktop themes on unity got messed up I had installed Ubuntu tweak and unsettings so I removed them but the default themes and custom ones are still messed up I ran unity --reset and this is what I get: WARNING: Unity currently default profile, so switching to metacity while resetting the values unity-panel-service: no process found Checking if settings need to be migrated ...no Checking if internal files need to be migrated ...no Backend : gconf Integration : true Profile : unity Adding plugins Initializing core options...done compiz (core) - Warn: failed to receive ConfigureNotify event on 0x1200004 compiz (core) - Warn: failed to receive ConfigureNotify event on 0x38000af compiz (core) - Warn: failed to receive ConfigureNotify event on 0x32000ad Initializing composite options...done Initializing opengl options...done Initializing decor options...done Initializing vpswitch options...done Initializing snap options...done Initializing mousepoll options...done Initializing resize options...done Initializing place options...done Initializing move options...done Initializing wall options...done Initializing grid options...done Initializing session options...done Initializing gnomecompat options...done Initializing animation options...done Initializing fade options...done Initializing unitymtgrabhandles options...done Initializing workarounds options...done Initializing scale options...done compiz (expo) - Warn: failed to bind image to texture Initializing expo options...done Initializing ezoom options...done (compiz:4749): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed Initializing unityshell options...done compiz (core) - Warn: unhandled ConfigureNotify on 0xc0009e! compiz (core) - Warn: this should never happen. you should probably file a bug about this. compiz (core) - Warn: unhandled ConfigureNotify on 0xc000a1! compiz (core) - Warn: this should never happen. you should probably file a bug about this. compiz (core) - Warn: unhandled ConfigureNotify on 0xc000a1! compiz (core) - Warn: this should never happen. you should probably file a bug about this. compiz (core) - Warn: unhandled ConfigureNotify on 0xc000a4! compiz (core) - Warn: this should never happen. you should probably file a bug about this. WARN 2012-07-02 19:51:42 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/google-chrome.desktop' is using a deprecated format for its actions that will be dropped soon. WARN 2012-07-02 19:51:42 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/firefox.desktop' is using a deprecated format for its actions that will be dropped soon. WARN 2012-07-02 19:51:42 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/libreoffice-writer.desktop' is using a deprecated format for its actions that will be dropped soon. WARN 2012-07-02 19:51:42 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/libreoffice-calc.desktop' is using a deprecated format for its actions that will be dropped soon. WARN 2012-07-02 19:51:42 unity.libindicator <unknown>:0 Desktop file '/usr/share/applications/libreoffice-impress.desktop' is using a deprecated format for its actions that will be dropped soon. Initializing addhelper options...done Initializing animationaddon options...done Initializing annotate options...done Initializing bench options...done Initializing blur options...done Initializing clone options...done Initializing colorfilter options...done Initializing commands options...done Initializing crashhandler options...done Initializing cube options...done Initializing cubeaddon options...done Initializing extrawm options...done Initializing fadedesktop options...done Initializing firepaint options...done Initializing group options...done Initializing imgjpeg options...done Initializing kdecompat options...done Initializing loginout options...done Initializing mag options...done Initializing maximumize options...done Initializing mblur options...done Initializing neg options...done Initializing notification options...done Initializing obs options...done Initializing opacify options...done Initializing put options...done Initializing reflex options...done Initializing resizeinfo options...done Initializing ring options...done Initializing rotate options...done Initializing scaleaddon options...done Initializing scalefilter options...done Initializing screenshot options...done Initializing shelf options...done Initializing shift options...done Initializing showdesktop options...done Initializing showmouse options...done Initializing splash options...done Initializing staticswitcher options...done Initializing switcher options...done Initializing td options...done Initializing thumbnail options...done Initializing trailfocus options...done Initializing wallpaper options...done Initializing water options...done Initializing widget options...done Initializing winrules options...done Initializing wobbly options...done ERROR 2012-07-02 19:51:43 unity.glib-gobject <unknown>:0 g_object_unref: assertion `G_IS_OBJECT (object)' failed Setting Update "main_menu_key" Setting Update "run_key" Setting Update "autoraise" Setting Update "autoraise_delay" Any Ideas? this is very inconvenient some of the text like in additional drivers are unreadable because they come out White

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• How can I upload to a PPA without .changes file?

  - by espectalll123

  So, I'm developing an app for the Ubuntu Showdown, and as quickly is still very buggy (I had problems using it), I decided to do my app entirely from scratch, using Python/GTK+3. I've done my app and I've just packaged it just using only fakebuild dkpg-deb --build. The problem is that I can't create a .source file, as I don't have a changelog file and the debian folder cannot be used in debuild, as is uncorrectly organized. The text shown by ls -l -R: .: total 16 -rw-rw-r-- 1 francisco francisco 2 jul 3 17:48 compat drwxrwxr-x 2 francisco francisco 4096 jul 3 20:37 DEBIAN drwxrwxr-x 3 francisco francisco 4096 jul 3 18:36 opt drwxrwxr-x 3 francisco francisco 4096 jul 3 20:40 usr ./DEBIAN: total 36 -rwxr-xr-x 1 francisco francisco 1327 jul 3 20:26 control -rwxr-xr-x 1 francisco francisco 1329 jul 3 20:17 control~ -rwxr-xr-x 1 francisco francisco 10 jul 3 20:20 postinst -rwxr-xr-x 1 francisco francisco 10 jul 3 20:36 postrm -rwxr-xr-x 1 francisco francisco 121 jul 3 20:35 postrm~ -rwxr-xr-x 1 francisco francisco 10 jul 3 20:20 preinst -rwxr-xr-x 1 francisco francisco 10 jul 3 20:20 prerm -rwxr-xr-x 1 francisco francisco 530 jul 3 20:37 rules -rwxr-xr-x 1 francisco francisco 530 jul 3 20:37 rules~ ./opt: total 4 drwxrwxr-x 3 francisco francisco 4096 jul 3 18:36 espectalll123 ./opt/espectalll123: total 4 drwxrwxr-x 2 francisco francisco 4096 jul 3 18:36 virtuam ./opt/espectalll123/virtuam: total 28 -rw-rw-r-- 1 francisco francisco 12614 jun 27 13:58 assistant.glade -rwxrwxr-x 1 francisco francisco 758 jun 30 17:53 virtuam -rwxr-xr-x 1 francisco francisco 6285 jul 3 17:39 vui.py ./usr: total 4 drwxrwxr-x 4 francisco francisco 4096 jul 3 20:46 share ./usr/share: total 8 drwxrwxr-x 2 francisco francisco 4096 jul 3 20:46 applications drwxrwxr-x 2 francisco francisco 4096 jul 3 20:40 pixmaps ./usr/share/applications: total 4 -rwxrwxr-x 1 francisco francisco 304 jul 3 20:43 virtuam.desktop ./usr/share/pixmaps: total 188 -rw-r--r-- 1 francisco francisco 189478 jun 30 17:42 virtuam.svg So, this is the question: can I upload my app to the PPA without the .source file? If not, how can I create it?

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• 8 Ways to Tweak and Configure Sudo on Ubuntu

  - by Chris Hoffman

  Like most things on Linux, the sudo command is very configurable. You can have sudo run specific commands without asking for a password, restrict specific users to only approved commands, log commands run with sudo, and more. The sudo command’s behavior is controlled by the /etc/sudoers file on your system. This command must be edited with the visudo command, which performs syntax-checking to ensure you don’t accidentally break the file. HTG Explains: What Is Windows RT and What Does It Mean To Me? HTG Explains: How Windows 8′s Secure Boot Feature Works & What It Means for Linux Hack Your Kindle for Easy Font Customization

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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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• Ubuntu server spontaneous reboot

  - by user1941407

  I have got two ubuntu 12.04 servers(xeon e3). Sometimes(several days) each server spontaneously reboots. HDDs and other hardware are ok. Which logfile can help find a reason of the problem? UPDATED. hardware: xeon e3 processor, intel server motherboard, 32gb ddr3 ecc, mdadm mirror hdd raid for system, mdadm ssd raid for database(postgres). Both servers have similar (not identical) components. Smart is OK. It seems that the problem is in the software. Python process and database are running on this servers. Syslog (time of reboot): Aug 23 13:42:23 xeon hddtemp[1411]: /dev/sdc: WDC WD15NPVT-00Z2TT0: 34 C Aug 23 13:42:23 xeon hddtemp[1411]: /dev/sdd: WDC WD15NPVT-00Z2TT0: 34 C Aug 23 13:43:24 xeon hddtemp[1411]: /dev/sdc: WDC WD15NPVT-00Z2TT0: 34 C Aug 23 13:43:24 xeon hddtemp[1411]: /dev/sdd: WDC WD15NPVT-00Z2TT0: 34 C Aug 23 13:44:14 xeon sensord: Chip: acpitz-virtual-0 Aug 23 13:44:14 xeon sensord: Adapter: Virtual device Aug 23 13:44:14 xeon sensord: temp1: 27.8 C Aug 23 13:44:14 xeon sensord: temp2: 29.8 C Aug 23 13:44:14 xeon sensord: Chip: coretemp-isa-0000 Aug 23 13:44:14 xeon sensord: Adapter: ISA adapter Aug 23 13:44:14 xeon sensord: Physical id 0: 37.0 C Aug 23 13:44:14 xeon sensord: Core 0: 37.0 C Aug 23 13:44:14 xeon sensord: Core 1: 37.0 C Aug 23 13:44:14 xeon sensord: Core 2: 37.0 C Aug 23 13:44:14 xeon sensord: Core 3: 37.0 C Aug 23 13:44:24 xeon hddtemp[1411]: /dev/sdc: WDC WD15NPVT-00Z2TT0: 34 C Aug 23 13:44:24 xeon hddtemp[1411]: /dev/sdd: WDC WD15NPVT-00Z2TT0: 34 C Aug 23 13:47:01 xeon kernel: imklog 5.8.6, log source = /proc/kmsg started. Aug 23 13:47:01 xeon rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="582" x-info="http://www.rsyslog.com"] start Aug 23 13:47:01 xeon rsyslogd: rsyslogd's groupid changed to 103 Aug 23 13:47:01 xeon rsyslogd: rsyslogd's userid changed to 101 Aug 23 13:47:00 xeon rsyslogd-2039: Could not open output pipe '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ] Aug 23 13:47:01 xeon kernel: [ 0.000000] Initializing cgroup subsys cpuset Aug 23 13:47:01 xeon kernel: [ 0.000000] Initializing cgroup subsys cpu Aug 23 13:47:01 xeon kernel: [ 0.000000] Initializing cgroup subsys cpuacct Aug 23 13:47:01 xeon kernel: [ 0.000000] Linux version 3.11.0-26-generic (buildd@komainu) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #45~precise1-Ubuntu SMP Tue Jul 15 04:02:35 UTC 2014 (Ubuntu 3.11.0-26.45~precise1-generic 3.11.10.12) Aug 23 13:47:01 xeon kernel: [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.11.0-26-generic root=UUID=0daa7f53-6c74-47d2-873e-ebd339cd39b0 ro splash quiet vt.handoff=7 Aug 23 13:47:01 xeon kernel: [ 0.000000] KERNEL supported cpus: Aug 23 13:47:01 xeon kernel: [ 0.000000] Intel GenuineIntel Aug 23 13:47:01 xeon kernel: [ 0.000000] AMD AuthenticAMD Aug 23 13:47:01 xeon kernel: [ 0.000000] Centaur CentaurHauls Aug 23 13:47:01 xeon kernel: [ 0.000000] e820: BIOS-provided physical RAM map: Aug 23 13:47:01 xeon kernel: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009bbff] usable Aug 23 13:47:01 xeon kernel: [ 0.000000] BIOS-e820: [mem 0x000000000009bc00-0x000000000009ffff] reserved Dmseg - nothing strange.

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• Purple Screen then Black Screen while Booting from CD or Windows Install

  - by Tyler

  Whenever I try to run Ubuntu from my internal CD drive, I see this screen minus the Ubuntu Text: Then the screen goes black, not even the internal light stays on. Sometimes it restarts itself, other times the black screen is indefinite until I restart the laptop myself. I'm on an HP Quad-Core AMD A8-3500M APU with 8 GB RAM and a Radeon AMD 6620g Discrete-Graphics Card. (HP dv6-6145dx) This is my first time using Linux, I am not too technically-inclined so any simplification would be welcomed. I am good at following technical instructions though which is how I was able to partition my hard drive and change the boot order to allow the internal CD drive first. Thanks in advance!

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• What are my options for sharing music between Windows & Ubuntu on the same network?

  - by jgbelacqua

  We have a few Windows(XP & 7) and Ubuntu machines in the house sharing a wireless connection, and want to share music between them. If possible, I would like to be able to serve music from both Windows and Ubuntu (but it doesn't have to be the same time). I don't know much about sharing folders or streaming, but I'm guessing both would be options (that is, using a local client to access a shared song or a local client to access a shared stream). I want to be able to share the music between the systems as simply as possible. Bonus points (but not requirements) for cross-platform -- same application on both Windows and Ubuntu? available on startup (via daemon or autostart or whatnot) open source More info: All systems have dynamic addresses (DHCP) supplied from the ISP-supplied wireless router. There are several Gigabytes of music on one Windows XP box and one Ubuntu 10.10 The music is not well-sorted (I'm thinking this might have an impact on UI usability). Only has to be available internally (private address space behind the wireless router) bandwidth is not a problem We don't have (legitimate) admin access to the wireless router

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• How to find the number of packages needing update from the command line?

  - by KayEss

  I'm working on some system admin automation using fabric and I'd like to be able to monitor the number of packages that need upgrading on a given machine. This is the same information that I can see when I first log in to a machine, i.e. this part: 35 packages can be updated. 22 updates are security updates. Is there a command that I can run (preferably without sudo) that gives just that information? I'd also like to know whether or not apg/dpkg thinks that the machine needs a reboot after packages are installed/upgraded. bybobu shows this at the bottom of the screen. That way I can decide whether or not to reboot machines after I update packages a bit more intelligently. I've looked at the apt-python bindings, but they seem to have a high learning curve and they also appear to be changed around a lot -- I'd like something that will work at least as far back as lucid without needing to do different things on different Ubuntu versions.

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• Disabling Password and Key Login

  - by Matthew Miller

  I want to disable the login prompt to access the Passwords and Keys. Right clicking the prompt does not bring up a change password dialogue. Under Applications System Tools Preferences there is "Passwords and Keys" but right clicking that does not allow me to change the password either. There is no Password and Keys selection under Accessories. I used to be able to change the password to a blank character, which allowed it to automatically login, but there doesn't seem to be an option for that now. Using Gnome 3 in 12.10 Thank you

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• How to mount nexus 7 file system to view files from command line

  - by knotech

  Just got a Nexus 7, switched MTP on and plugged it in. It pops right up in nautilus, is titled Nexus 7, and lets me browse all of the files. However, on the command line, it's simply listed as /media/usbdrive and when I try to list the files, nothing comes up. Do I have to manually mount it in order to navigate the files from the command line? And why is it that nautilus recognizes it, and has access immediately, but I can't get at it from the command line?

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