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How is it possible to install MintMenu in Ubuntu 12.04?

I know that there were some PPA's for older Ubuntu versions (11.04 and previous ones),when Gnome 2 was the default desktop environment. Now, I have installed the MATE D.E. on Ubuntu 12.04, but it does not contain the MintMenu. So how can I install it WITHOUT adding the Linux Mint repositories to the software sources?

Ubuntu Mate desktop scaling for 4k displays

I am trying to use ubuntu mate on lenovo y50 having 4k resolution .It seems there is no support for hidpi screens in mate . I was able to manage scaling in gnome desktop using

gsettings set org.gnome.desktop.interface scaling-factor 2

I tried the same in mate to no effect . I even tried to look into org.mate.desktop.interface for such options , but there is no such configuration available . Can anyone help me with this ?

Wrong chown used

I just made a huuuge mistake. I typed the following as root:

chown chris ./

So it change perm to everything! Now I have problem booting because of these permissions. How do I fix it?

Steam is an "essential system package"?

Today I installed Ubuntu MATE. I went to the software boutique section from the welcome screen to start installing software, I install Steam however it doesn't work no matter how many times I click it. I thought I could just uninstall it, but whenever I try to, a dialog box pops up stating that Steam is an essential system package. How do I fix this problem? I am running Ubuntu MATE 16.04.

Panel apps try to launch in xterm, even though it isn't installed

I have some panel applications that launch terminals, but when I click on them, they say xterm failed. Well yeah, xterm isn't installed, nor do I want it.

I want mate-terminal to come up instead. How do I configure that to happen?

This is Ubuntu server 12.04 with a mate desktop. I have MATE Terminal 1.6.1 installed.

Here is the error:

UPDATE:

$ echo $TERM
xterm

I tried :

export TERM=mate-terminal

But the change was not lasting, nor did it effect the panel launcher.

UPDATE2:

~$ sudo update-alternatives --config x-terminal-emulator  
There is only one alternative in link group x-terminal-emulator: /usr/bin/mate-terminal
Nothing to configure.

Not sure what list it is, but this doesn't seem to work. Ok, so Ill try this command:

$ sudo update-alternatives --install /usr/bin/x-terminal-emulator x-terminal-emulator mate-terminal /usr/bin/mate-terminal 50
update-alternatives: priority must be an integer

Usage: update-alternatives [<option> ...] <command>

Commands:
  --install <link> <name> <path> <priority>
    [--slave <link> <name> <path>] ...
                           add a group of alternatives to the system.
  --remove <name> <path>   remove <path> from the <name> group alternative.
  --remove-all <name>      remove <name> group from the alternatives system.
  --auto <name>            switch the master link <name> to automatic mode.
  --display <name>         display information about the <name> group.
  --query <name>           machine parseable version of --display <name>.
  --list <name>            display all targets of the <name> group.
  --get-selections         list master alternative names and their status.
  --set-selections         read alternative status from standard input.
  --config <name>          show alternatives for the <name> group and ask the
                           user to select which one to use.
  --set <name> <path>      set <path> as alternative for <name>.
  --all                    call --config on all alternatives.

<link> is the symlink pointing to /etc/alternatives/<name>.
  (e.g. /usr/bin/pager)
<name> is the master name for this link group.
  (e.g. pager)
<path> is the location of one of the alternative target files.
  (e.g. /usr/bin/less)
<priority> is an integer; options with higher numbers have higher priority in
  automatic mode.

Options:
  --altdir <directory>     change the alternatives directory.
  --admindir <directory>   change the administrative directory.
  --log <file>             change the log file.
  --force                  allow replacing files with alternative links.
  --skip-auto              skip prompt for alternatives correctly configured
                           in automatic mode (relevant for --config only)
  --verbose                verbose operation, more output.
  --quiet                  quiet operation, minimal output.
  --help                   show this help message.
  --version                show the version.
~$ sudo update-alternatives --set /usr/bin/x-terminal-emulator x-terminal-emulator mate-terminal /usr/bin/mate-terminal 50

So then, "--install" doesnt seem to be an option. ok, maybe "--set" is what was meant... but that doesnt work right.

I also looked in system>preferences>preferred applications where mate terminal is listed as the default terminal.

here is uname -a to confirm my Ubuntu usage:

Linux X 3.11.0-15-generic #25~precise1-Ubuntu SMP Thu Jan 30 17:42:40 UTC 2014 i686 i686 i386 GNU/Linux

How to change lock screen background Ubuntu Mate

I would like to change the lock screen background in Ubuntu Mate 16.04. I have found out how to change the background for unity by changing the com.canonical.unity-greeter setting but I can not find the corresponding setting for Mate 16.04. I'm not sure if this is a problem in 15.10 as well but I could find no reference to it. I spent some time going through different settings through gsettings to no avail.

How do I remove XFCE from my computer?

My computer is overheating because I got too many desktop environments installed like: MATE, Cinnamon and XFCE. I uninstalled them, but XFCE failed to uninstall. I get this error.

 sudo apt-get purge xfce4
    Reading package lists... Error!
    E: Problem syncing the file - sync (5: Input/output error)
    E: The package lists or status file could not be parsed or opened.

ibus doesn't work in libreoffice, pluma etc in Ubuntu Mate 16.04

I have iBus with Sanskrit (IAST) and Bengali layouts. Besides that I have English and Russian keyboard layouts. iBus works in other applications (Firefox, Thunderbird), but doesn't work at all in Writer, Pluma, SublimeText, Atom etc. It used to work some weeks ago. Any suggestion?

Lock keys panel indicator for MATE Desktop

I have no indicator LEDs on my keyboard to show whether Caps-Lock is on (I don't have Num-Lock and Scroll-Lock keys so the best option would be to have an indicator only for Caps Lock, but three indicators would be better than none)

I would really like to see the lock-keys status in the indicator panel so I can tell at a glance whether I'm typing my passwords correctly

I'm using Ubuntu MATE 16.04. I've seen this question but it relates to Unity DE.

Will MATE ever be in the official repos?

I was wondering if mate will ever show up in the official repos and be installable without the ppa?

How do I install cinnamon on Ubuntu server?

How do I install cinnamon and mate on ubuntu server 12.04? What are the dependencies?

When I install cinnamon it doesn't start when I start the system and when I try to use it with startx command i shows a "Failed to load session "ubuntu" " error while entering the desktop GUI. With MATE it also doesn't start automatically and when I start it with startx some icons are broken and the locale appears to have some problems with the pt_BR special characters.

How do I install MATE (the desktop environment)?

I have seen several youtube videos that are showing MATE (The Gnome 2.x fork) installed in 11.10. How can I install it to test it out in 11.10 and above.

If it helps the only sources I know of are:

SourceForge

GitHub

Matsusoft

NOTE - I already know that MATE is an evil spawn of Gnome 2.x which is non-intuitive, unattractive and ugly for end users. It could scare your kids for life and kill the cat. But apart from this (and the viruses, troyans, worms, spywares, security holes, mermaids, seamonkeys, narnian characters, lords of the ring dragons and whatnot as mentioned in the Matsusoft site) I still want to try it in a safe nuclear protected environment.

Window snapping in Ubuntu MATE

I know how to enable window snapping in MATE Desktop, and it works. My problem is this. By default, Window A fills half the screen, and Window B fills half the screen, and you can't click and drag the edges of the window to resize without unsnapping the window, and resizing the left side, right side, top, and bottom. Is there a way around this?

Not authorized to control networking

I have Ubuntu 13.04 Gnome with Mate.

If I click on the networking icon on the top tool bar and try to do something like add a never before used Wifi or simply click Hardwire Connection 1 when I have changed to a new network, I get 'Connection activation failed. (32) Not authorized to control networking.'

My presumption is that I have lacking some group attribute for my user or else there is some security setting.

I can make the changes if I log in as root instead of myself.

What must be tweaked to allow my user name the privileges to handle this?

Installing MATE desktop environment without installing the applications

I want to install MATE desktop only, without applications.

I already have apps from GNOME 3 - nautilus, file-roller, gedit. But when I sudo apt-get install mate-core, it asks to install caja, pluma, engrampa etc. How to avoid them?