Questions related to configuration of Ubuntu software.

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0
votes
1answer
2k views

How to change background color in grub

I use Ubuntu 12.04. I want to change grub's background color to black. I mean just background color, not background image. I can only find guides how to change the image. I tried some GUI software ...
9
votes
5answers
7k views

How do I disable automatic remote printer installation?

In Raring, everytime I connect to the network, Cups installs all the printers in the network automatically. Furthermore, some printers have been added more than once. Furthermore, I connect a USB ...
42
votes
3answers
26k views

How can I restore configuration files?

I would like to restore LightDM to its default state, because for some reason /etc/lightdm/unity-greeter.conf is now an empty file. Deleting /etc/lightdm/unity-greeter.conf and then running sudo ...
7
votes
2answers
4k views

Referencing environment variables *in* /etc/environment?

I recently discovered /etc/environment, which seems a more standard way to setup simple environment variables than scripts, but I was wondering if there was a way to back-reference environment ...
0
votes
1answer
303 views

unable to install and configure chef-server on ubuntu 12.04

I have ubuntu 12.04 installed on aws cloud and I am trying to install chef server on it, but it does not configures correctly and returns an error. I am following this simple guide for installation ...
1
vote
2answers
5k views

Nginx reverse proxy and subdomains

I have some problem with Nginx configuration. I've already searched for an issue but the proposed solutions I saw didn't work for me. I have some apps on a tomcat server and some apps on a jboss ...
3
votes
1answer
134 views

Default to adm group for upstart logs

This bug suggests that on 12.04, the default permissions for upstart logs do not allow rsyslogd to read them: https://bugs.launchpad.net/ubuntu/+source/upstart/+bug/1074564 That is the logs need to ...
2
votes
1answer
56 views

best way to copy your ubuntu to a new hard drive [duplicate]

I found this question Best way to clone an installation (copying to identical hardware) to be close to what I need, but I wonder if it is still going to work if, instead of two different machines, I ...
0
votes
0answers
18 views

Install vs Conffiles

I want to add a default configuration file to my .deb package I tried to do this by putting /path/to/file/relative/to/debian/tmp /global/path/where/i/need/to/put/the/file to Debian/install ...
0
votes
0answers
57 views

How to unset XKB configuration? I want Ubuntu to not touch it

How can I tell Ubuntu 14.04 (or later) to leave my XKB keyboard configuration alone? I load my own XKB configuration on session startup (from my home directory) and it is regularly "reset" to what the ...
1
vote
1answer
836 views

Append options to GRUB_CMDLINE_LINUX_DEFAULT without modification on files

I want to add an option to GRUB_CMDLINE_LINUX_DEFAULT without modifying any files on the system. The reason is that I want to apply it by installing a driver package, but currently I haven't found any ...
0
votes
0answers
50 views

no-ip is not updating on Ubuntu 14.04.1 LTS

I'm trying to set up no-ip on Ubuntu 14.04.1 LTS, but when I access no-ip website it can't show that no-ip is updating ip address. Is it necessary to open some port? I installed no-ip from this ...
42
votes
2answers
22k views

Whats the .local folder for in my Home Directory

What is the ~/.local folder good for and is it safe to remove the content within this folder?
0
votes
0answers
87 views

auditctl configuration to audit all attempts to alter system time through adjtimex

I use to Redhat Hardening instruction to harden my Ubuntu Server 13.04. In it, I saw the following instruction: Rule Title: The audit system must be configured to audit all attempts to alter system ...
0
votes
1answer
75 views

Old A4Tech Mouse buttons configuration

I have an old A4Tech BW-5 optical mouse. I used to play with it thru wine, and everything worked fine (except the FPS, but that's other story). Recently my game showed on linux, and the problem ...
11
votes
4answers
3k views

How to set the Default Browser from the Command Line?

Tried to set the default browser using the GUI tools but this didn't work overall. Is there a way to configure the system wide default browser from command line?
16
votes
6answers
4k views

How can I disable Ctrl+Q for all applications (system wide)?

A lot of applications like Firefox, Chrome etc, get closed when I accidentally press Ctrl+Q instead of Ctrl+W because of the proximity of the Q and W keys on the keyboard. Is there a way this shortcut ...
8
votes
3answers
35k views

How to set pressure sensitivity in GIMP to control line thickness?

My sister is moving from Windows and I just got her a new graphics tablet. However, the pressure sensitivity controls opacity rather than line thickness; she really needs this feature from ...
1
vote
1answer
29 views

Juju openstack charms

Openstack charm service settings e.g. "nova-cloud-controller" has options to modify nova.conf through config-flags (string). How do I update neutron.conf within nova-cloud-controller / quantum-gateway ...
0
votes
1answer
389 views

openvpn TLS Error: TLS handshake failed

TLS Error: TLS handshake failed What ports need to be open for OpenVPN to work? Server configuration: server port 1194 proto udp server-bridge 192.168.1.104 255.255.255.0 192.168.1.160 ...
0
votes
0answers
44 views

HAProxy & Meteor - 503s

I'm trying to set up HAProxy as a load balance for two MeteorJS instances. For some reason, HAProxy does not seem to pick up that my instances are there. I can curl 192.168.0.4 and I get the expected ...
3
votes
7answers
21k views

Can't set static IP on Ubuntu

I recently installed Ubuntu Desktop 13.10 and I am trying to set up static IP by changing the /etc/network/interfaces file from: # interfaces(5) file used by ifup(8) and ifdown(8) ...
0
votes
2answers
34 views

Moving Configuration Directories and Files to a Sub-directory of Home Directory

Is it possible to move all configuration directories and files (Dot-directories and dot-files.) inside a sub-directory of my home directory? I always have hidden files and directories shown, so I ...
0
votes
1answer
9 views

Unclickable links in GTK3 apps

I can't open link in any gtk3 app by left clicking (for example web link in Ubuntu software center or local link in Gnome disks). I am able to do it via right click, then click in submenu "open link". ...
1
vote
1answer
250 views

Configuration of Redshift

I want to configure Redshift in such a manner such that it will be in the least brightness every time (irrespective whether it is day or night). Also let me know if I might face any problem if I use ...
0
votes
1answer
79 views

How to load a different version of linux kernel?

I am currently using ubuntu 14.04 with the kernel 3.13.0-37-generic, I want to try booting from another kernel 3.17.01 (latest stable release). I have downloaded and built the 3.17.01 kernel from ...
8
votes
3answers
13k views

How to find which WiFi frequencies are being used the most near by?

We have a lot of WiFi connections nearby and I'd like to know which band has the least interference. I'd like to to know how many connections are on each band and pick the best to configure my router ...
1
vote
1answer
107 views

SSH configuration problems with Ubuntu 14.04

I'm stumped, after reading online for a bit. I'm trying to enable agentforwarding on all hosts (I know this isn't recommended, but I know the servers I'll be touching from this box) and to disable ...
0
votes
0answers
54 views

Configuration of X10 remote?

I have a low price remote controller, a X10 OR22V USB (MCE compatible?). It works out from the box after installing Ubuntu 14.04 or Mint 17. Nice, but only few keys works and some are mapped ...
0
votes
2answers
621 views

LXDE desktop installation

How do I install the LXDE desktop environment? I have it installed in Ubuntu, but cannot figure out how to install it so that it can be used.
0
votes
1answer
740 views

Configure GSM connection using shell (nmcli)

I have a system without X display and I want to use nmcli to configure my usb cell modem. I can get the modem working using Ubuntu Desktops GSM-Wizard (X/GUI). But what is the console alternative on ...
0
votes
0answers
30 views

Unknown username “whoopsie” after updating to ubuntu 14.04 [duplicate]

After installing the update to ubuntu 14.04 LTS from ubuntu 12.04. I tried completing the update by going into shell after restarting computer and typing sudo sh -e ~/Downloads/crouton -n precise -u. ...
0
votes
0answers
324 views

How to take Ubuntu Desktop 14.04 LTS 32 bit in windows domain? (Where in domain users shall be able to login through the GUI)

How to take Ubuntu Desktop 14.04 LTS 32 bit in windows domain? (Where in domain users shall be able to login through the GUI) I have done this in the past using likewise, however now likewise is no ...
0
votes
1answer
246 views

ubuntu LAMP server can't create new .conf file and configure

I have the LAMP server on Ubuntu 14.04. I came to know about the php laravel framework. So I just installed laravel by going from this link. I just made copy the 000-default.conf file from the path ...
10
votes
1answer
2k views

Different wallpapers on multiple monitors

I have a laptop and a monitor. Most of the time my laptop is connected to the monitor over HDMI. I use Ubuntu Gnome 14.04 and here is what I want: When no monitor is connected I want a simple ...
0
votes
1answer
115 views

ubuntu 14.04 is slow @ 12gb Ram

Recently I was upgrade my ubuntu to 14.04 ,after that for any event(copying a file or running any application)it is only consuming 3gb of memory only . it is not able to use my entire Ram .Due to ...
1
vote
0answers
110 views

Two popups when force quitting an application

I installed Ubuntu 13.10 having /home in a separate encrypted partition. When Ubuntu 14.04 came out, I did a clean install, but without formatting my /home partition, thus, keeping all my settings, ...
0
votes
1answer
292 views

What path shall I find schema.sql?

I am looking for file named "schema.sql", can someone let me know where can I find it? when I googled a little about it I go one path i.e. /etc/raddb/sql/mysql/schema.sql however it does not exists ...
0
votes
0answers
136 views

How to add a sender header to emails sent by postfix 2.11

I'm not getting a reply after sending a mail to autoanswer@vger.kernel.org which I need to verify that my domain richtercloud.de served by a postfix 2.11 server on Ubuntu 14.04 can be used for ...
0
votes
0answers
22 views

Need help to choose mail sserver package which provides web based GUI?

Few things to just give you an background. I want to configure it on a fresh installation of Ubuntu Server 14.04 LTS Also have webmin installed. All the packages must be freeware or open source ...
1
vote
2answers
134 views

Switch between Keyboards

I have two text entry resources: English & Persian. I had defined Alt+L Shft to switch between them. Then I installed "Unity Tweak Tool" and "CompizConfig Settings Manager". After the very first ...
0
votes
0answers
55 views

How can I prevent configuration changes to a specific user account?

Edit: Just to be clear, this isn't going to be a web kiosk. The user will be able to run more programs than just a browser. At very least, some text editor and a few other programs which are already ...
0
votes
0answers
35 views

Benq Scanner 5150C scans 1/4 of page

I have a Benq 5150C scanner. It didn't work out of the box. After downloading the windows driver (from Benq Middle East), extracting the .bin file and following this post, the scanner started working ...
32
votes
7answers
7k views

Some fast way to save and restore tabs of Terminal?

I have a Terminal window with a dozen named tabs open. I would like to save the current configuration and have it restored with names and directories. Is there a way to do this?
0
votes
1answer
203 views

Copy the Unity launcher from one user to all users

I would like to add state of art of Unity launcher as template for creating minimal state of art of other users. I was found method how to add apps into template, but not method, how to extract ...
8
votes
2answers
13k views

Step by Step Install of MAAS and JUJU

I am working on understanding the pieces that I am missing in being able to deploy Juju across the other MAAS nodes. I don't know If I have a step out of place, or missing a few. The MaaS server ...
0
votes
0answers
202 views

Howto force gdm to start unity by default for first time logged in user?

I was to try to do setup for maxi Ubuntu installation containing Gnome, Unity,KDE, Xfce, LXDE, Edubuntu,...Eclipse, Netbeans, ICD..., octave, QTOctave, Scilab/Xcos, Open Modelica,.... for a ...
0
votes
1answer
115 views

I can't syntonize free-air channels in VLC UBUNTU

After spending many hours of my life reading forums, blogs and posts here and in Stack OverFlow, I come here for some help, because I couldnt solve my problem and... not only that, but my computer ...
1
vote
0answers
145 views

Nvidia layout inconsistencies when saving to x configuration file (Ubuntu 14.04)

I am having trouble saving to the x config file from the nvidia x server settings. When I click the "Save to X Configuration File" button, I get "The current layout has some inconsistencies". Under ...
0
votes
0answers
36 views

Brightness keys +/- do not repeat

On my system, I was obliged to create an /usr/share/X11/xorg.conf.d/20-intel.conf file to use the Intel interface for brightness control with the following content: Section "Device" ...