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• Ubuntu 12.10 Unity & Gnome Shell problems

  - by user109292

  I'm experiencing some problems since I decided to upgrade Ubuntu to 12.10 version two days ago. Firstly, I cannot select the Unity environment I previously used on 12.04 without opening the terminal with Ctrl+Alt+T and typing setsid unity. When I select the Unity environment on the account page when I start the computer, it automatically switch back to Gnome and launch my session. I tried to set back Unity using the setsid unity tip, and it worked fine. But after few minutes, everything freeze and I cannot control anything anymore. The only option left is to press the Power button of my Asus EeePC and switch everything off. Question 1 : What can I do to get my Unity environment back on 12.10 from the start, without using the terminal every time? What should I do to prevent the all system to freeze once done? Secondly, and since I cannot use Unity for new, I'm using an other interface, GNOME Shell. What's bothering me is that the Activities bar (let's call it like that, 'cause I don't know the proper name) and the Internet bar (or any bar from any other window) cannot merge into one another, reducing the display of the screen I'm actually using to peanuts! Question 2 : Is there a way to merge those two bars? Or is there a way to hide the Activities bar when I'm not using it like on Unity environment?

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• Gnome-shell partially freezes

  - by user568021

  My specs: Ubuntu 12.04.1 LTS, Gnome3, Dell Studio laptop This is not happening all the time, but only sometimes .. totally randomly. When I'm in the middle of some work something totally weird happens. Keyboard suddenly stops working. I can't type, no matter which key I press nothing happens. I can't press Alt+Tab, I can't press Alt+F4, Alt+F2... nothing. Activities button is dead. Also right click does not work...and something even more annoying. I can click on the 'menu' in the top right corner(the menu pops up), but clicking on 'power-off' or 'suspend' option doesn't do anything. The only little thing I can do is: Close the lid of my laptop so it goes to sleep. Than wake it up again. And than it's ok. Everything works. So I guess restarting (or refreshing) gnome-shell fixes the problem. Sorry if the title of this question is odd... I don't know how to properly describe this.

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• Unity install removed window borders, and display drivers.

  - by Vivek Sharma

  I installed unity, used for a while. Then i installed gnome-shell, used it for a while. Now decided to switch back to standard. Gnome is not working the way it use to be. I am using T61 with nvidia-latest drivers. Following issues... Window borders are not showing. Installed compiz settings, and re-check window decorations option. I had to re-install nvidia driver, as when I tried to apply normal visual effects, it said no display driver found. Gnome panel is not coming, and mouse pointer is a "cross" than a "arrow". I then opened a terminal and enter gnome-panel. Panel came and window borders came back. Nothing is showing on desktop, and the right click is also not populating the menu. When i loging, an error message saying, docky did not start and it requires compiz to work. After starting gnome-panel from terminal, i went to systempreferencesAppearance. And selected normal visual effects. It activated, i selected keep the settings. Now when i restart or re-login, everything is gone. I have to run gnome-panel manually, and then re-enable visual setting. Ofcourse i can add gnome-panel in startup applications, but i want to know what has installing unity/gnome-shell has done, that these setting are messed up. I manually removed mutter, as Appearance application was showing mutter installed, cant enable effects. What shall i do to get back a standard gnome-desktop back.

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• Custom daemon script: works, but does not run at boot / startup

  - by pearjoint

  this is Ubuntu 10.10 Maverick. I have the following shell script in init.d that I want to run as a "daemon" (background service with start/stop/restart really) at system startup. There is a symlink in rc3.d. I tried 4 and 5 too. (Ideally this would initialize before graphical login happens and before a user logs in.) IMPORTANT: the script works 100% as expected and required when testing this with service MetaLeapDaemon start and service MetaLeapDaemon stop. (This shell script calls a Python program which makes sure the appropriate .pid files are both created at startup and deleted at exit.) So generally it works fine but now my only issue is why it will not be run at any of the run-levels I tried. I know for sure it isn't run because the log file it normally creates does not get created. As you can see (by the lack of any uid:gid args in the start-stop-daemon commands) this would currently run only under root, is this forbidden in a default setup? Here's the script, pretty much your run-off-the-mill daemon script really: #! /bin/sh DAEMON=/opt/metaleap/_core/daemon/MetaLeapDaemon.py NAME=MetaLeapDaemon DESC="MetaLeapDaemon" test -f $DAEMON || exit 0 set -e case "$1" in start) start-stop-daemon --start --pidfile /var/run/$NAME.pid --exec $DAEMON ;; stop) start-stop-daemon --stop --pidfile /var/run/$NAME.pid ;; restart) start-stop-daemon --stop --pidfile /var/run/$NAME.pid sleep 1 start-stop-daemon --start --pidfile /var/run/$NAME.pid --exec $DAEMON ;; *) N=/etc/init.d/$NAME echo "Usage: $N {start|stop|restart}" >&2 exit 1 ;; esac exit 0

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• Getting output of a shell script in Cocoa

  - by Tristan Seifert

  Is there a way that lets me run a shell script, and display the output in an NSTextView? I do not want any input from the user to the shell script at all, since is is just called to compile a buch of files. The shell script part works fine so far, but I just can't figure out how to run it and show the output in an NSTextView. I know a shell script can be run using system() and NSTask, but how do I get it's output into an NSTextView?

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• Invoking cl.exe (MSVC compiler) in Cygwin shell

  - by barcarole

  I'm heavily using Cygwin (with Putty shell). But, it's quite tricky to invoke cl.exe (i.e., Visual C++ compiler toolchain) in the Cygwin bash shell. Running vcvars*.bat in the bash shell doesn't work obviously. I tried to migrate VC++'s environment variables to Cygwin, but it's not that easy. Is there anyone who ever tried to run VC++ compiler in Cygwin bash shell? Thanks, JJ

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• Invoking shell from java, it complaints "stty: standard input: Invalid argument"

  - by solotim

  Hi, everybody. I invoked shell command by Process class of java and it gave "stty: standard input: Invalid argument" no matter the command is right or wrong (normal output of shell command is shown too). If I run the shell command in shell, no such error message shows. I can't figure out why. Thanks

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• Visual Studio Shell Based Application

  - by nils_gate

  My new project would be a custom IDE for proprietary Application creation. This can be a Shell based application on VS Shell. I wanted to know what are the license requirement for these kind of applications. My question: If I create my project as VS Shell based Application, what kind of license is required by the end user of the Shell based application?

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• How can I copy files with names containing spaces and UNICODE, when using a shell script?

  - by LOlliffe

  I have a list of files that I'm trying to copy and move (using cp and mv) in a bash shell script. The problem that I'm running into, is that I can't get either command to recognize a huge number of files, seemingly because the filenames contain spaces and/or unicode characters. I couldn't find any switches to decode/re-encode these characters. Instead, for example, if I copy "file name.xml", I get "*.xml" and a script error that the file wasn't found for my result. Does anyone know settings or commands that will deal with these files?

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• How do I embed an expect script that takes in arguments into a bash shell script?

  - by fzkl

  I am writing a bash script which amongst many other things uses expect to automatically run a binary and install it by answering installer prompts. I was able to get my expect script to work fine when the expect script is called in my bash script with the command "expect $expectscriptname $Parameter". However, I want to embed the expect script into the shell script instead of having to maintain two separate script files for the job. I searched around and found that the procedure to embed expect into bash script was to declare a variable like VAR below and then echo it.: VAR=$(expect -c " #content of expect script here ") echo "$VAR" 1) I don't understand how echoing $VAR actually runs the expect script. Could anyone explain? 2) I am not sure how to pass $Parameter into VAR or to the echo statement. This is my main concern. Any ideas? Thanks.

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• Shell script [Expected end of line, etc. but found unknown token]

  - by rockinthesixstring

  I'm trying to build a Synergy AutoStart script as per this article, the shell is giving me the error Syntax Error Expected end of line, etc. but found unknown token Here is the script I'm working on... #!/bin/sh . /etc/rc.common run=(/usr/local/bin/synergyc -n $(hostname -s) -1 -f 192.168.0.108) KeepAlive () { proc=${1##*/} while [ -x "$1" ] do if ! ps axco command | grep -q "^${proc}\$" then "$@" fi sleep 3 done } StartService () { ConsoleMessage "Starting Synergy" KeepAlive "${run[@]}" & } StopService () { return 0 } RestartService () { return 0 } RunService "$1" And when the error is thrown, the "period" is highlighted on this line . /etc/rc.common Is there something I'm missing here?

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• shell script fun! how to perform an action on each subdirectory from a given path??

  - by pocketfullofcheese

  I am writing a shell script (which I suck at) and I need some help. Its a script that is moving things from git to CVS (not important). The thing is, i a file path: controllers/listbuilder/setup/SubmissionRolesListbuilderHandler.inc.php and I need to be able to do: cvs add controllers; cvs add controllers/listbuilder; cvs add controllers/listbuilder/setup; cvs add controllers/listbuilder/setup/SubmissionRolesListbuilderHandler.inc.php Can someone help me out? The best I've come up with so far is to recursively add ALL files in my working tree, but that seems overly inefficient.

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• shell script fun! performing action on each subdirectory from a given path

  - by pocketfullofcheese

  I am writing a shell script (which I suck at) and I need some help. Its a script that is moving things from git to CVS (not important). The thing is, i a file path: controllers/listbuilder/setup/SubmissionRolesListbuilderHandler.inc.php and I need to be able to do: cvs add controllers; cvs add controllers/listbuilder; cvs add controllers/listbuilder/setup; cvs add controllers/listbuilder/setup/SubmissionRolesListbuilderHandler.inc.php Can someone help me out? The best I've come up with so far is to recursively add ALL files in my working tree, but that seems overly inefficient.

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• From a shell script open a new tab in a specific instance of Firefox.

  - by toc777

  Hi everyone, I have a shell script that creates Firefox profiles and then uses them to open multiple instances of Firefox simultaneously. The problem is how can I open a URL in a particular instance of Firefox? I have tried firefox -CREATEPROFILE test firefox -P 'test' -no-remote firefox -P test -url www.google.ie But the last part which is trying to open the URL using the test profile does not work, it always opens in then default profile. Is there any way to tell Firefox from the command line to open a URL using a particular profile? Thanks.

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• How to get the list of files in a directory in a shell script?

  - by jrharshath

  Hi, I'm trying to get the contents of a directory using shell script. My script is: for entry in `ls $search_dir`; do echo $entry done where $search_dir is a relative path. However, $search_dir contains many files with whitespaces in their names. In that case, this script does not run as expected. I know I could use for entry in *, but that would only work for my current directory. I know I can change to that directory, use for entry in * then change back, but my particular situation prevents me from doing that. I have two relative paths $search_dir and $work_dir, and I have to work on both simultaneously, reading them creating/deleting files in them etc. So what do I do now? PS: I use bash.

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• Linux shell to restrict sftp users to their home directories?

  - by hfidgen

  I need to give SFTP access to a directory within my webroot on my server. I've set up ben_files as a user and have set his/her home directory to /var/www/vhosts/mydomain.com/files That's all fine if he/she connects with plain old FTP - he's/she's restricted just to that directory, but to enable SFTP I had to add him/her to bin/bash shell, which suddenly opens up my entire server... Is there a way of giving him/her SFTP access but without opening up all my directories? I'd really like him restricted to only his/her home ;)

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• Print column A only if any of B, C, D, E & G contains Failed using Linux shell

  - by user3626342

  A B C ............ till G sucnpde067.advancemags.com- Successful Full FS_UNIX_801_Fri_C Full_Backup 0B Failed Full FS_UNIX_801_Fri_B Full_Backup 0B ............ till G sucnpde066.advancemags.com- Successful Full FS_UNIX_801_Fri_C Full_Backup 0B Successful Full FS_UNIX_801_Fri_C Full_Backup 0B ............ till G slnssde052.advancemags.com- Failed Full FS_UNIX_801_Fri_B Full_Backup 0B Successful Full FS_UNIX_801_Fri_C Full_Backup 0B ........... till G slnssde048.advancemags.com- Failed Full FS_UNIX_801_Fri_B Full_Backup 0B Failed Full FS_UNIX_801_Fri_B Full_Backup 0B ............ till G Print column A only if any of B, C, D, E & G contains Failed using Linux shell Note -Coulmns are tab/comma seperated

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• Getting a TTY in a Connectback Shell

  - by Asad R.

  I'm often asked by friends to help with small Linux problems, and more often than not I'm required to login to the remote system. Usually there are a lot of issues with making an account and logging in (sometimes the box is behind a NAT device, sometimes SSHD isn't installed, etc.) so I usually just ask them to make a connect-back shell using netcat (nc -e /bin/bash ). If they don't have netcat I can just ask them to grab a copy of a statically compiled binary which isn't that hard or time consuming to download and run. Though this works well enough for me to enter simple commands, I can't run any apps that require a tty (vi, for example) and can't use any job control functions. I managed to bypass this issue by running in.telnetd with a few arguments within the connect-back shell that would assign me a terminal and drop me to a shell. Unfortunately in.telnetd isn't usually installed by default on most systems. What's the easiest way to get a fully functional connect-back terminal shell without requiring any non-standard packages? (A small C program that does the job would be fine as well, I just can't seem to find much documentation on how a TTY is assigned/allocated. A solution that doesn't require me to plough through the source code for SSHD and TELNETD would be nice :))

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• Fedora 17 - Dropping into debug shell after attempted partitioning

  - by i.h4d35

  So I tried creating a new partition on Fedora 17 using fdisk as follows: Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (2048-823215039, default 2048): Using default value 2048 Last cylinder or +size or +sizeM or +sizeK (1-9039, default 9039): +15G Once this was done,instead of formatting the partition I created, I ran the partprobe command to write the changes to the partition table. On rebooting the computer, it drops to the debug shell and gives me the error as follows: dracut warning:unable to process initqueue dracut warning:/dev/disk/by-uuid/vg_mymachine does not exist dropping to debug shell dracut:/# While trying to run fsck on the said partition from the debug shell, it says "etc/fstab not found" and inside /etc I see a fstab.empty file. Is it now possible to retrieve what I have from the computer? Any help would be appreciated. Thanks in advance Edit: I've also tried the following steps for additional troubleshooting: I tried to boot using the Fedora disk and tried the rescue mode - says no Linux partition detected. I tried to create an fstab file by combining the entries from blkid and the /etc/mtab file and using the UUIDs from the mtab file - It didn't work. As soon as I rebooted the machine, it promptly dropped me in to the debug shell and the fstab file which i created wansn't there anymore in /etc (part of this solution)

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• error while running ruby application at system startup in ubuntu

  - by anjo

  I am on Ubuntu 12.04 machine. Have a script file which runs when entered manually in terminal gnome-terminal -e /home/precise/Desktop/cartodb/script.sh The content of script file is cd /home/ubuntupc/Desktop/cartodb20/ sh /home/ubuntupc/.rvm/scripts/rvm bundle exec foreman start -p 3000 So what i tried to do is to run this script at every system start up. So on Startup Applications command: gnome-terminal -e /home/precise/Desktop/cartodb/script.sh On terminal Edit - Profile Preferences - Title and Command Checked the "Run command as a login shell" But this seems to be not working. When restarted the machine found these error in terminal The child process exited normally with status 127. ERROR: RVM Ruby not used, run `rvm use ruby` first. Some info regarding the installed packages and system. $ which ruby /home/ubuntupc/.rvm/rubies/ruby-1.9.2-p320/bin/ruby $ which rails /home/ubuntupc/.rvm/gems/ruby-1.9.2-p320/bin/rails $ which gem /home/ubuntupc/.rvm/rubies/ruby-1.9.2-p320/bin/gem $ cat ~/.bash_profile [[ -s "$HOME/.profile" ]] && source "$HOME/.profile" # Load the default .profile [[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function* $ which -a ruby /home/ubuntupc/.rvm/rubies/ruby-1.9.2-p320/bin/ruby $ sudo update-alternatives --config ruby update-alternatives: error: no alternatives for ruby. $ sudo find / -name "rubygems" -print /home/ubuntupc/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/site_ruby/1.9.1/rubygems /home/ubuntupc/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/rubygems /home/ubuntupc/.rvm/src/ruby-1.9.2-p320/lib/rubygems /home/ubuntupc/.rvm/src/ruby-1.9.2-p320/test/rubygems /home/ubuntupc/.rvm/src/ruby-1.9.2-p320/test/rubygems/rubygems /home/ubuntupc/.rvm/src/ruby-1.9.2-p320/doc/rubygems /home/ubuntupc/.rvm/src/rubygems-2.2.1/lib/rubygems /home/ubuntupc/.rvm/src/rubygems-2.2.1/test/rubygems /home/ubuntupc/.rvm/src/rubygems-2.2.1/test/rubygems/rubygems /home/ubuntupc/.rvm/src/rvm/scripts/functions/rubygems /home/ubuntupc/.rvm/src/rvm/scripts/rubygems /home/ubuntupc/.rvm/scripts/functions/rubygems /home/ubuntupc/.rvm/scripts/rubygems /usr/lib/ruby/1.9.1/rubygems /usr/local/rvm/rubies/ruby-1.9.2-p320/lib/ruby/site_ruby/1.9.1/rubygems /usr/local/rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/rubygems /usr/local/rvm/src/ruby-1.9.2-p320/lib/rubygems /usr/local/rvm/src/ruby-1.9.2-p320/test/rubygems /usr/local/rvm/src/ruby-1.9.2-p320/test/rubygems/rubygems /usr/local/rvm/src/ruby-1.9.2-p320/doc/rubygems /usr/local/rvm/src/rubygems-2.2.0/lib/rubygems /usr/local/rvm/src/rubygems-2.2.0/test/rubygems /usr/local/rvm/src/rubygems-2.2.0/test/rubygems/rubygems /usr/local/rvm/src/rvm/scripts/functions/rubygems /usr/local/rvm/src/rvm/scripts/rubygems /usr/local/rvm/scripts/functions/rubygems /usr/local/rvm/scripts/rubygems Please point out what i am missing as i am new to the ruby applications. Thanks in advance

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• How can I run BitchX when I don't have ssh or shell access?

  - by Christopher

  I just installed an IRC bot, B****X (Don't ask, I don't know - the real name is not censored). I did all of the configuration and chmod'ed the pl files to 755, but running it won't work. My host does not allow SSH/Shell (which is how the documentation says to runs he script), but just going to the URL usually works because of this. However, I get a 500 (Internal Server Error) error. I have logged errors: Possible unintended interpolation of @moz in string at ./bitch.conf line 78 (#1) (W ambiguous) You said something like `@foo' in a double-quoted string but there was no array @foo in scope at the time. If you wanted a literal @foo, then write it as \@foo; otherwise find out what happened to the array you apparently lost track of. [Fri Mar 19 16:31:43 2010] bitch.pl: Possible unintended interpolation of @moz in string at ./bitch.conf line 78. Uncaught exception from user code: [Fri Mar 19 16:31:46 2010] bitch.pl: [[31mFAILED[0m] (connect error: Connection refused) at /usr/local/lib/perl5/5.8.8/CGI/Carp.pm line 354 CGI::Carp::realdie('[Fri Mar 19 16:31:46 2010] bitch.pl: [\x{1b}[31mFAILED\x{1b}[0m] (conne...') called at /usr/local/lib/perl5/5.8.8/CGI/Carp.pm line 446 CGI::Carp::die('[\x{1b}[31mFAILED\x{1b}[0m] (connect error: Connection refused)\x{a}') called at bitch.pl line 555 Thanks in advance

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• Shell script to decrypt and move files from one directory to another?

  - by KittyYoung

  So, I have a directory, and in it are several files. I'm trying to decrypt those files and then move them to another directory. I can't seem to figure out how to set the output filename and move it. So, the directory structure looks like this: /Applications/MAMP/bin/decryptandmove.sh /Applications/MAMP/bin/passtext.txt /Applications/MAMP/bin/encrypted/test1.txt.pgp /Applications/MAMP/bin/encrypted/test2.txt.pgp /Applications/MAMP/htdocs/www/decrypted/ For all of the files found in the encrypted directory, I'm trying to decrypt it and then move them into www/decrypted/. I don't know what the filenames in the encrypted directory will be ahead of time (this script will eventually run via cron), so I wanted to just output the decrypted file with the same filename, but without the pgp. So, the result would be: /Applications/MAMP/bin/decryptandmove.sh /Applications/MAMP/bin/passtext.txt /Applications/MAMP/bin/encrypted/ /Applications/MAMP/htdocs/decrypted/test1.txt.pgp /Applications/MAMP/htdocs/decrypted/test2.txt.pgp So, this is all I have so far, and it doesn't work... FILE and FILENAME are both wrong... I haven't even gotten to the moving part of it yet.... Help? I've written exactly one shell script ever, and it was so simple, a monkey could have done it... Feeling out of depth here... pass_phrase=`cat passtext.txt|awk '{print $1}'` for FILE in '/Applications/MAMP/bin/encrypted/'; do FILENAME=$(basename $FILE .pgp) gpg --passphrase $pass_phrase --output $FILENAME --decrypt $FILE done

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• Gnome Tweak Tool problems

  - by Nguy?n Duy Khánh

  I am now using Ubuntu 12.10 and I tried to install Gnome Shel Extension and Gnome Tweak Tool. However, here is my problem : You can see that my tweak tool does not receive user themes.. When I checked the Ubuntu Software Center, I see that GNOME Shell Extension Preferences and GNOME Shel User Themes has already installed. So, what is my problem, and how can I fix it ? Please help me. Thanks.

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• gnome-tweak-tool doesn't start due to "ImportError: No module named gi" error

  - by Khajak Vahanyan

  I am using Ubuntu 11.10 with Gnome Shell and have a problem with gnome-tweak-tool. When I click on it, it does nothing and when I try to open with terminal it gives this error: Traceback (most recent call last): File "/usr/bin/gnome-tweak-tool", line 22, in <module> import gi ImportError: No module named gi I googled a bit, found some solutions (reinstalled some python-gobject packages), but still didn't help./

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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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