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• Why are all logins disabled in the virtual terminal after enabling root account from desktop?

  - by Mitch

  Just for testing purposes, I went a head and enabled the root account, by using the commands below: sudo passwd root [sudo] password for abed: Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully Once that happened, I went ahead and did Ctrl+Alt+F1, to get to the first virtual console, and at the login prompt I try logging in as abed, su, root, all comeback with login incorrect. Why is that happening, and how can I fix it.

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• Convert DVD to MKV (et al) without transcoding/recompression

  - by Oli

  Like a lot of people, I have a lot of DVDs. But we also have a stupid amount of disk space and a media centre (Boxee) so the DVDs are getting less and less use. It would be nice to convert our DVDs into something more relevant to our needs. I've dabbled with DVD ripping before but whereas I'd usually transcode down to a smaller picture size with a better video compression algorithm, this takes a silly amount of time. I don't have a couple of hours available for each disk. (Sidebar: is there dedicated, Linux-friendly hardware to improve h264 encoding performance?) So I was wondering if there's anything that take the DVD filesystem, De-CSS it, and then stitch together any the VOBs that make up the main part of the film and package that up in a wrapping format like MKV. A bonus would be if it could grab the subtitles and stick them in too but that's not a requirement as Boxee can grab the subtitles online if it needs to.

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• Bridging: Loosing WLAN network connection with 4addr on option - Why?

  - by WitchCraft

  Question: For use with my Xen VM, I need to create a virtual network interface (vif) that is bridged to wlan0. If in /etc/network/interfaces I add auto xenbr0 iface xenbr0 inet dhcp And then later do brctl addif xenbr0 wlan0 I get this error message. can't add wlan0 to bridge xenbr0: Operation not supported I found out that Linux won't let you bridge a wireless interface in managed mode at all unless you enable the 4addr option (needed to recompile iw): iw dev wlan0 set 4addr on Afterwards brctl addif xenbr0 wlan0 works, and brctl show shows xenbr0 as bridged to wlan0. Unfortunately, as soon as I execute iw dev wlan0 set 4addr on my entire network connection is gone (no connection). As soon as then I execute iw dev wlan0 set 4addr off I reconnect and it works again. If I re-execute 4addr on, it breaks again, if I execute 4addr off, it works again. Unfortunately, I can't just turn 4addr on, activate the bridge and then turn it back off (error: device not ready). Does anybody know why I loose my connection ?

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• Why do I have to have CapsLock permanently ON

  - by Patrick Mann

  Initially, I believed this was on OpenOffice problem but Abiword and, indeed, Gedit, display the same problem, so it must be an Ubuntu glitch. I was typing a document and used CapsLock when creating a title. Now, when I turn CapsLock off, everything is in caps - when I turn it on, everything is in lower case. I can cope with this if I leave CapsLock on permanently but this is not what is supposed to happen. CapsLock OFF = NO CAPS (or should do!). Can anybody help with this? I've searched around this forum but, not being much of a forum user, I was unable to find a solution. It's entirely possible that I had a 'finger-fit' and hit a combo of buttons which included CapsLock but I don't remember doing that. I'm running Ubuntu Netbook Edition 10.04 on an HP Intel PC. If you need any more System specific stuff, just shout. Thanks, Patrick

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• What are fail2ban's log iptables "returned 400" entries?

  - by luri

  In my fail2ban.log there are some entries the meaning of which I don't understand (and haven't found searching around)... For instance, a couple of examples from my log: iptables -I INPUT -p tcp -m multiport --dports ssh -j fail2ban-ssh-ddos returned 400 ... iptables -I INPUT -p tcp -m multiport --dports http,https -j fail2ban-apache-overflows returned 400 So my questions would be: Are those lines errors? If they are... is it a fail2ban problem or an iptables one? If they are.... what do those errors mean?... and... how can they be avoided (if they have to)?

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• No contact list in MSN

  - by David

  Since today I can't see my contact list en empathy IM, using the MSN protocol. I've tried uninstalling, reinstalling, erasing all config files from my computer (using ubuntu tweak and erasing the config files from my /home folder), but nothing solve the problem Time ago people have the same problem, they're solved it changing a line in a script, but that bug was solved in latest versions of empathy. I've tried to change that script, using other lines. /usr/lib/pymodules/python2.6/papyon/service/description/SingleSignOn/RequestMultipleSecurityTokens.py I've changed the line CONTACTS = ("contacts.msn.com", "MBI") by the older one: CONTACTS = ("contacts.msn.com","?fs=1&id=24000&kv=7&rn=93S9SWWw&tw=0&ver=2.1.6000.1") But this no fix the bug In advanced options I have this (in empathy account options): Server: messenger.hotmail.com Port: 1863 How can I solve this? Please help

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• Name a Byobu session?

  - by Ashimema

  Is there a way to create identifiable Byobu sessions so that when I've got multiple sessions running, the byobu-select-session menu gives me a list of sessions I can recognize, as opposed to non-descript tmux port numbers? In an ideal world, it would be great to be able to both start a session giving it a name and to modify such a session to change a name if it's already running? Is this possible, how? Edit 1: Some further details: I'm using tmux as the backend and don't especially want to switch back to screen. I've now tried starting a session with byobu -S "Name" to no avail :-( Edit 2: Some discoveries: I've now discovered a partial answer in using tmux native commands: tmux rename-session <current-name> <new-name> renames an existing session and tmux new -s session_name creates a new names session. I'm surprised byobu -S "name" isn't liked to tmux new -s session_name for byobu with a tmux backend.

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• How can I set a spin button?

  - by espectalll123

  I've done some spin buttons with Glade for my Python/GTK3 app, but I don't know how to set things like default, lower or higher value. How can I do it? Using the following things for development: Python 2.7.3 GTK 3 Glade 3.12.1 1) I need to change things from script, as I need to set default value and maximum value as a variable; 2) I saw the PyGTK documentation before, it's not working for GTK3; 3) please don't direct me to the GTK3 docummentation... I can't understand it :P

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• Device or resource busy errors when setting up a RAID array

  - by JGazlyVFX

  I'm trying to create a Raid array and these are the errors I keep getting. I have repartitioned the drives several times. root@BitchStewie:/dev# sudo mdadm --verbose --create /dev/md1 --chunk=64 --level=0 --raid-devices=12 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sdg1 /dev/sdh1 /dev/sdi1 /dev/sdj1 /dev/sdk1 /dev/sdl1 /dev/sdm1 mdadm: super1.x cannot open /dev/sdb1: Device or resource busy mdadm: ddf: Cannot use /dev/sdb1: Device or resource busy mdadm: Cannot use /dev/sdb1: It is busy mdadm: device /dev/sdb1 not suitable for any style of array

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• Are nvidia drivers necessary?

  - by Shubham Chaudhary

  The new Ubuntu 14.04 comes with nvidia driver options. My system(Dell XPS) uses nvidia-331. For starters it messed up my text font size. It is so freakishly small with nvidia drivers on. So my question is: Are these drivers really necessary? What performance gain do they provide? Will it help me save some battery life? Basically what are these drivers doing that I was missing before (with nouveau I guess)?

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• No sound in Ubuntu except at log in

  - by Mohd Arafat Hossain

  I installed Ubuntu 12.04 a month ago and am using it till now. I failed to notice that all this time there was no sound at all while running Ubuntu, even while playing a game in Wine. The weird thing is that only the startup sound comes when I log in (Indian/African drum tone), then comes the utter silence. I tested both Digital Output (S/PDIF) and the speakers in the sound settings but can hear nothing. Any help?

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• Issues printing through ssh tunnel and port forwarding

  - by simogasp

  I'm having some problems trying to print through a ssh tunnel. I'd like to print from my laptop to a network printer (Toshiba es453, for what matters) which is in a local network. I can reach the local network using a gateway. So far I did the following: ssh -N -L19100:<Printer_IP>:9100 <username>@<ssh_gateway> Basically i just mapped the port 19100 of my laptop directly to the input port of the printer, passing through the gateway. So far, so good. Then, i tried to install on my laptop a new printer with the GUI config tool of ubuntu, so that the new printer is on localhost at port 19100 (as APP Socket/HP Jet Direct) , then I provided the proper driver of the printer. In theory, once the tunnel is open I should be able to print from any program just selecting this printer. Of course, it does not work. :-) The document hangs in the queue with status Processing while in the shell where I set up the tunnel I get these errors on failing opening channels debug1: Local forwarding listening on ::1 port 19100. debug1: channel 0: new [port listener] debug1: Local forwarding listening on 127.0.0.1 port 19100. debug1: channel 1: new [port listener] debug1: Requesting [email protected] debug1: Entering interactive session. debug1: Connection to port 19100 forwarding to 195.220.21.227 port 9100 requested. debug1: channel 2: new [direct-tcpip] debug1: Connection to port 19100 forwarding to 195.220.21.227 port 9100 requested. debug1: channel 3: new [direct-tcpip] channel 2: open failed: connect failed: Connection timed out debug1: channel 2: free: direct-tcpip: listening port 19100 for 195.220.21.227 port 9100, connect from ::1 port 44434, nchannels 4 debug1: Connection to port 19100 forwarding to 195.220.21.227 port 9100 requested. debug1: channel 2: new [direct-tcpip] channel 3: open failed: connect failed: Connection timed out debug1: channel 3: free: direct-tcpip: listening port 19100 for 195.220.21.227 port 9100, connect from ::1 port 44443, nchannels 4 channel 2: open failed: connect failed: Connection timed out debug1: channel 2: free: direct-tcpip: listening port 19100 for 195.220.21.227 port 9100, connect from ::1 port 44493, nchannels 3 debug1: Connection to port 19100 forwarding to 195.220.21.227 port 9100 requested. debug1: channel 2: new [direct-tcpip] As a further debugging test I tried the following. From a machine inside the local network I did a telnet <IP_printer> 9100, got access, wrote some random thing, closed the connection and correctly I got a print of what I had written. So the port and the ip of the printer should be correct. I tried the same from my laptop with the tunnel opened, the telnet succeeded but, again, the printer didn't print anything, getting the usual channel x: open failed: errors. I'm not a great expert on the matter, I just thought that in theory it was possible to do something like that, but maybe there is something that I didn't consider or I did wrong. Any clue? Thanks! Simone [update] As further debugging test, I tried to replicate the procedure from a machine in the local network. From that machine, I did ssh -N -L19100:<IP_printer>:9100 <username>@<ssh_gateway> (note that now the machine, the gateway and the printer are in the same local network) then I tried again the telnet test with telnet localhost 19100, I got access and everything, but I didn't get the print but the usual error channel 2: open failed: connect failed: Connection timed out Maybe I am missing some other connection to be forwarded or maybe this is not allowed by the administrators. Of course, if I connect via ssh tunneling to the local machine from my laptop through the gateway, I can successfully print using the lpr command (from the local machine). But this is what I would like to avoid (yes, I'm lazy...:-), I would like to have a more 'elegant' and transparent way to do that.

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• Grub doesn't show both Ubuntu installations

  - by jackweirdy

  I have a laptop with Ubuntu 12.04 LTS installed as the main OS. The other day I installed Ubuntu-Studio (version 12.04) into another partition on the machine. The installation went great and when the machine booted, the grub menu popped up and I could see the option for Ubuntu Studio and the vanilla Ubuntu OS'. The problem was that this version of grub, installed by the Studio installer, didn't look great and insisted on putting Studio at the top of the list, and therefore as the main OS to boot. I use the standard Ubuntu more often, so I booted into that and ran sudo grub-install dev/sda. That worked OK and now Ubuntu boots as normal. Only problem is that the Grub menu doesn't show up and doesn't give me a chance to choose the other OS. Running sudo os-prober shows that it can find ubuntu studio, it doesn't give me a chance to boot it. Any ideas as to how I can fix this problem? Cheers in advance. EDIT: followed instructions here and saw the boot menu, but the only boot options present were for the standard installation of Ubuntu.

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• Wine 1.2 crash after I start Mega 5.0

  - by Tomáš Šíma

  I installed Mega 5.0 by running "sudo sh MEGA5_Setup_deb_v2.sh" The application downloaded wine 1.2 as mega requires in order to work under Ubuntu. However every time I start the application through the icon provided, wine crashes asking me to send/save bug report, the problem is that if I choose to do so, megas starting window pops up covering the bug report window leaving me unable to do anything (as it won't move) The only solution I have come up with is to log out and log back in, as I cancels wine. I beg you following: Please post detailed step by step instructions how to deal with said problem Tell me if forceful log out, can damage computer of any of my data Please forgive me my weak English as it is not my native language. Also forgive me my weak skills concerning Ubuntu usage as I have me forced to switch to Ubuntu this very day. Thank you.

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• Dependencies lib32asound2 [duplicate]

  - by The Mini John

  This question already has an answer here: 'teamviewer depends on (…)' while trying to install TeamViewer 4 answers I was trying to install Teamviewer, but i was getting a dependencies error. I tried to install them but with no luck.. I think Mod's are not reading the questions trough when they mark as duplicate I'm getting this Error: Unpacking teamviewer (from teamviewer_linux_x64.deb) ... dpkg: dependency problems prevent configuration of teamviewer: teamviewer depends on lib32asound2; however: Package lib32asound2 is not installed. teamviewer depends on lib32z1; however: Package lib32z1 is not installed. teamviewer depends on ia32-libs; however: Package ia32-libs is not installed. dpkg: error processing teamviewer (--install): dependency problems - leaving unconfigured Errors were encountered while processing: teamviewer I tried sudo apt-get -f install but getting Package ia32-libs is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source However the following packages replace it: lib32z1 lib32ncurses5 lib32bz2-1.0 Package lib32asound2 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'lib32asound2' has no installation candidate E: Package 'ia32-libs' has no installation candidate i cant even get to the sudo dpkg -i teamviewer_linux_x64.deb If i force installation sudo dpkg --force-depends -i teamviewer_linux_x64.deb Although it's "Setting up Temviewer" it gives me this I'm fairly new to ubuntu, can anyone help me out ? I'm on Ubuntu 13.10

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• apache2 tomcat6 virtual hosting

  - by user3215

  I've apache2 and tomcat6 running on port 80 on ubuntu server 9.10. I've a registered domain name and I'll access the jsp index page navigating to http://abc.mydomain.com. The page is under tomcat_home/webapps/myapp and the below are tomcat virtual hosting in server.xml file: <Host name="abc.mydomain.com" debug="0" appBase="webapps" unpackWARs="true"> <Logger className="org.apache.catalina.logger.FileLogger" directory="logs" prefix="virtual_log1." suffix=".log" timestamp="true"/> <Context path="" docBase="/usr/share/tomcat/webapps/myapps" debug="0" reloadable="true"/> </Host> Recently a new domain has been bought(xyz.mydomain.com) and I'm asked to do the virtual hosting so that the new domain name directly points the page "admin.jsp" which is located under 'tomcat_home/webapps/myapps/WE-INF/js/'. How could I do this? If I type http://abc.mydomain.com/admin I'll get the page what I wanted. I should access the page just by typing http://xyz.mydomain.com.

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• How can I automatically switch to USB headset when plugged in?

  - by d3vid

  Whenever I plugged in my old audio jack headset, sound was immediately diverted from my speakers to the headset speakers, and the microphone was immediately available. When I plug in my new USB headset, I have to open Sound Preferences and switch both input and output to the headset. Is there any way to make this happen automatically? I'm using a Fujitsu-Siemens Amilo Pi laptop, Maverick and a Logitech H330 USB headset.

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• Rhythmbox is crashing on start

  - by Kristal

  I'm using ubuntu 10.10 and until about 3 days ago rhythmbox worked fine but now when I start it, it opens, then after 4 second it crashes. When running it from terminal I get this: ~$ rhythmbox (rhythmbox:27420): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed ** Message: pygobject_register_sinkfunc is deprecated (GstObject) (rhythmbox:27420): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed Segmentation fault and then rhythmbox closes. What to do? =\ Edit: Disabled most of the plugins and it's not crashing now, but i still get when running from terminal (rhythmbox:27420): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed ** Message: pygobject_register_sinkfunc is deprecated (GstObject) (rhythmbox:27420): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed should I worry?

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• Ubuntu 12.10 installation in virtual box

  - by Rohit Pandey

  I am trying to install Ubuntu 12.10 as guest in virtual box in Windows 7 machine. After intallation and copying the files it asks me to restart Now and I click that button but I get an error that Virtual box stopped working and it prompts me to close the virtual box. When i restart Virtual box, Status in the Ubuntu is displayed as Aborted and after restarting it tries to reinstall Ubuntu. I have tried thrice. Please guide me how to resolve this issue. Regards, Rohit.

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• What is vt.handoff=7 parameter in grub.cfg

  - by sirkubax

  I wonder what vt.handoff=7 parameter does. I can not find any good man for that... BTW, if you have a nice descriptoon about : search --no-floppy --fs-uuid --set=root I would be happy :) grub.cfg example: menuentry 'FAILSAFE' --class ubuntu --class gnu-linux --class gnu --class os { recordfail set gfxpayload=$linux_gfx_mode insmod part_msdos insmod ext2 set root='(hd0,msdos8)' search --no-floppy --fs-uuid --set=root 36286167-4eba-4a1e-a202-155c6baafa01 linux /boot/vmlinuz-2.6.37-12-generic root=UUID=36286167-4eba-4a1e-a202-155c6baafa01 ro vt.handoff=7 quiet splash initrd /boot/initrd.img-2.6.37-12-generic } BTW2 - i can not create tag vt.handoff ;(

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• Pulseaudio no sound card detected. Dummy output only

  - by Zach Smith

  I'm using 12.10 Quantal with Openbox and a .xinitrc script at login instead of a display manager. Its a relatively fresh install and I noticed when I opened pavucontrol the only output was a dummy one. I check around and it appears that my soundcard is physically installed but Pulseaudio isn't detecting it. I'm really unsure what I should do but any help getting my audio back would be appreciated. Edit: further info if its at all useful: dante@dante-ubuntu:~$ uname -a && aplay -l && cat /proc/asound/version && head -n 1 /proc/asound/card*/codec#* Linux dante-ubuntu 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux aplay: device_list:252: no soundcards found... Advanced Linux Sound Architecture Driver Version 1.0.25. == /proc/asound/card0/codec#0 <== Codec: ATI R6xx HDMI == /proc/asound/card1/codec#0 <== Codec: IDT 92HD81B1X5

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• Installation of Ubuntu 12.04 LTS is Crashing from Live CD

  - by Daniel Evans

  Hardware: Dell Inspiron 1545 Steps are as follows: Insert Ubuntu 12.04 disc Boot computer Output is as follows error: unexpectedly disconnected from boot status daemon Generating locales... en_US.UTF-8... done Generation complete. ***MEMORY-ERROR***: glib-compile-schemas[569]: GSlice: assertion failed: aligned_memory == (gpointer) addr Aborted pwconv: failed to change the mode of /etc/passwd- to 0600 ***MEMORY-ERROR***: [996]: GSlice: assertion failed: aligned_memory == (gpointer) addr ***MEMORY-ERROR***: glib-compile-scehmas[1034]: GSlice: assertion failed: aligned_memory == gpointer) addr Aborted /usr/lib/python2.7/dist-packages/LanguageSelector/LocaleInfo.py:256: UserWarning: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory warnings.warn(msg.args[0].encode('UTF-8')) Using CD-ROM mount point /cdrom ... etc etc... End up at a prompt line ubuntu@ubuntu:~$ The computer's self tests have given the following three errors (so far): Error Code OFOO:O65D Msg DISK-DST Self-test read error SATA Disk S/N=.... Confidence Test Fail Error Code 0F00:1332 Msg: DISK- Block 418047942: Interrupt Request (IRQ) Error Code: 0142 HD0 self test unsuccessful Status 79

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• Laptop Screen does not turn on after sleep

  - by Gage

  I recently put Ubuntu 10.10 on my laptop and after fixing the wireless problem I am only stuck on my screen turning back on after sleep. I have had this problem since Ubuntu 7. I tried using Ubuntu way back then and had a whole bunch of issues with the sleep and the wireless(Broadcom 4311). Anyways, I have an ATI Radeon express 200M graphics card (old laptop). When I go to Hardware drivers it doesn't give me any options to use the closed source drivers. Any suggestions on what I should do? I am going to try what is suggested in this thread but I am at work right now. Laptop does not wake up after sleep Thanks in advance for any help.

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• Ubuntu on Android for Samsung Galaxy note 2?

  - by schulzey

  This question is lengthy, I have to warn you. I'm generally a mac user. My setup currently consists of using mac osx and vmware (windows 7) to run one program that isn't compatible with osx or linux. This program can be run using crossover (wine) as well but it works better with vmware. I'm thinking of switching over to ubuntu as my main operating system on my computers and running vmware or crossover that way to access the program I need. No specific reason why, I guess I'm just sick of the apple/windows machine. I've always wanted to try linux so figure there is no better time than now. The point is I haven't used ubuntu yet so I don't know a lot about it. I was planning on buying the iphone 5 when I saw there is an app to setup ubuntu operating system on an android phone. I'm now thinking that this would be fantastic for me if I bought the samsung galaxy note 2 and was able to install ubuntu and either vmware or crossover to use my windows specific program for work right on my phone. The samsung galaxy note 2 has a 1.4 ghz processor and 2gb of ram which is enough to handle a modern operating system. My program does not need a lot of speed or memory to work. To be honest, the windows specific program I need would work fine on an old laptop running windows xp. My first question is if ubuntu for android is really the full operating system that lets you run programs just like a desktop pc? Is it super slow where it takes many minutes to load up ubuntu? I don't need blazing speeds, but I'd like something useable. My next question has to do with vmware or crossover. Is ubuntu for android capable of running these programs? I think it would be great to use the same operating system like ubuntu on my desktop, laptop, tablets, and phone. Thanks so much for all the help!!!

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• Alt-Tab in Unity 2D makes app icon jiggle instead of switching

  - by itsadok

  I'm using Unity 2D as my desktop, and it works fine most of the time, but every now and then, I try to Alt-Tab to switch to a different application, and instead of switching to that window, the launcher bar opens, and the icon of the application I was trying to switch to starts jiggling. If I try to switch to something else, that icon starts jiggling too. If I click on the icon with the mouse, then it stops jiggling and switches to the requested window. What is this behavior? I haven't seen any mention of jiggling icons in Unity. I don't understand the original purpose of this, and I'd like a way to fix it so that I won't have to use the mouse.

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