The tag has no usage guidance.

learn more… | top users | synonyms

3
votes
2answers
1k views

How to configure a SSH server to use a certain public key?

I have a dual boot Windows 7 / Ubuntu 12.04 desktop and I have installed openSSH server in both (using cygwin64 under windows). I connected from my laptop, running Ubuntu 12.04, to the Cygwin64 ...
1
vote
2answers
137 views

Multimedia email key doesn't work in KDE

My laptop keyboard have two multimedia keys: email and www. Key to open www browser works and has no problem, but email key after it has pressed doesn't open email client. When I configure this ...
0
votes
2answers
78 views

Unknown pgp key in my key ring

I have a key in my keyring and I don't know how it got there. Every other key I imported other than this one. How do keys make it into the keyring other than by me importing them?
4
votes
1answer
199 views

Is Ubuntu's archive signing key available via HTTPS somewhere?

I'm writing a program that needs to download GPG keys for various distributions to do unattended net installs. To do this securely and in an automated way, I need to download the key via HTTPS, which ...
3
votes
1answer
93 views

Why did Ubuntu source repository key signature fail with security warning?

Downloading Ubuntu source code gave a security warning: # apt-get source gedit Reading package lists... Done Building dependency tree Reading state information... Done NOTICE: 'gedit' ...
2
votes
1answer
358 views

How to interpret the contents of ~/.gconf?

Consider a key like /apps/metacity/global_keybindings/cycle_windows I can access this this key using gconf-editor. However when I cd to ~/.gconf/apps/metacity I find an empty file named %gconf....
1
vote
1answer
222 views

Virtualbox in Ubuntu 16.04 - Unity grabs Alt and Super key

This is something that was answered in the past already for previous versions, there are bug reports but nothing really solves it and it's still present in 16.04 If you have Ubuntu 16.04 Unity as ...
1
vote
1answer
82 views

Cannot delete expired key

While trying to manually get update I got a gpg error: W: GPG error: http://apt.freegeek.org precise Release: The following signatures were invalid: KEYEXPIRED 1422819173 W: Duplicate sources.list ...
1
vote
1answer
78 views

VirtualBox release key after a few seconds

I am using Ubuntu in VirtualBox and it works pretty fine, but there is a problem that I am having since I started using it. I use Emacs and therefore, I use a lot of combinations/shortcuts/bindings ...
1
vote
1answer
140 views

setup ssh encryption keys

Here is the situation: I have 4 Linux servers. /home is same for all the four servers. (It's a network drive). I want to setup a password-less SSH via setting up encryption keys. I created RSA key ...
1
vote
1answer
626 views

Ubuntu 12.04 + Eclipse 64 bits key binding error

The text is quite extense so, this is just a part of it: !SESSION 2012-11-23 10:15:52.442 ----------------------------------------------- eclipse.buildId=I20120608-1200 java.version=1.7.0_09 java....
1
vote
1answer
272 views

Override custom keyboard shortcut limit

I would like to add a custom keyboard shortcut for the "Home" button, but I get the error: The shortcut "Home" cannot be used because it will become impossible to type using this key. I am using ...
1
vote
1answer
969 views

Preseeding: Can't access cdrom?

At work we often need to install Ubuntu Server and several extra packages while offline. To make this faster, I'm creating a custom Ubuntu Server install via preseeding (following this documentation: ...
0
votes
1answer
28 views

Why doesn't Ubuntu/Thunderbird save my PGP key?

I installed Thunderbird and followed the instructions from: https://help.ubuntu.com/community/GnuPrivacyGuardHowto to set up PGP. First it worked, but after restarting my system the next day, I wasn'...
0
votes
1answer
22 views

juju bootstrap issue public key

I set up one node and install juju on it. The OS is a Ubuntu Cloud Image so must login with: ubuntu username and a private key. but when I run juju bootstrap : I have this error: ERROR ...
0
votes
1answer
61 views

how do i copy my ssh public key to a new user ubuntu 14.04

Sorry if this question has been asked before, but i cannot find it anywhere here or on google. I set up public/private keys, imbedded into my VPS server successfully, it fully works using putty and ...
0
votes
1answer
390 views

How to cleanly swap alt and ctrl keys in xubuntu?

I have found many answers to this question, but none worked for me. I'm using xubuntu 15.04. I'm trying to swap the ctrl and alt keys. I have tried that : How to swap Command and Control keys with ...
0
votes
1answer
137 views

How to change a specific third level character? [Ubuntu 14.10]

For example, pressing third level chooser (not compose key, as I posted earlier) + v = @. However, I want third level chooser + v to print #. Is there a way to accomplish this?
0
votes
1answer
18 views

Bootmenu hiding it?

Is there a way to hide the boot menu ? For example i got 2 ways of booting ubuntu/windows. I want to hide boot and to boot directly to windows. And also it may be reactivated for pressing two keys ? ...
0
votes
1answer
474 views

problem with using git using private key

sorry if this question seems so easy but I'm new with UBUNTU and I still couldn't figure that out. I've been given a private key with password to clone and install a software from a repository using ...
0
votes
1answer
159 views

How to make non-ascii-armored public key from ascii-armored secret key

I have old key pair (GnuPG keys), both only ascii-armored 1 fresh Ubuntu-Desktop 14.04 installation How can I make a non-ascii armored public key from the old secret key?
0
votes
1answer
906 views

Dell Inspiron 5220 Screen Brightness buttons

I've installed Ubuntu 13.04, everything seems fine except using the FN-key to change the laptop's brightness. It just stays permanently on full brightness. Even if I go into System Settings and ...
0
votes
1answer
267 views

How do I set ctrl+e to be “end of line”?

I have recently gotten a system 76 gazelle lap top with ubuntu 12.10. So far a I very happy except with one feature. I am use to ctrl+e for end of line. ctrl+a for beginning of line. These ...
0
votes
1answer
2k views

Generating WPA/WPA2 Key in linux bash?

How can I generate a new random wpa/wap2 key in the linux terminal? I tried pwgen but this is not generating hexadecimal values.
0
votes
1answer
247 views

Wake up from screen off (like Windows and Mac)

Is there a way to configure Ubuntu such that it doesn't require 2 keystrokes to wake it up from the state where the screen is disabled after being absent, but a simple touch on the touchpad suffices (...
-1
votes
1answer
21 views

public key is not available http://mirror.ppa.trinitydesktop.org

Getting the "because the public key is not available: NO_PUBKEY 96C95152F5CFC95C" for mirror.ppa.trinitydesktop.org Tried several suggestion but they did NOT work. How do I install a public key for ...
2
votes
0answers
25 views

Amazon aws type keys generation

There is perfect security model when connecting to Amazon AWS instance. But I would like to be able to make such key my self for custom user. To be clear it will be user with git repository, but it ...
2
votes
0answers
3k views

Private key not found

I have tried to generate server certificate for apache2 earlier.... I have noticed one error in apache server. Which means that Apache can't find the private key component of new SSL certificate. Now ...
1
vote
0answers
100 views

Fn+F5/6 Brightness shortcut not working - Asus laptop - Ubuntu 14.04

I have been bothered for a while with this bug of the Fonction key, it works for sound (Fn+F12/11/10) or turn on/off the screen (Fn+F7), but not to adjust the brightness (Fn+F6/5)... After some times ...
1
vote
0answers
50 views

Will I lose my windows key (preinstalled to BIOS) if I fully install Ubuntu/Linux?

I'm now the owner of a used Windows 8 laptop, and had planned on ditching Windows in favour of a more secure and ethical OS such as Linux. Upon recieving the laptop I noticed that it didn't have a ...
1
vote
0answers
142 views

SSH client on Ubuntu 15.10 is not working with public key

I am trying to ssh from my Ubuntu machine to other SSH servers, and also to itself but it is not working with the public key - it always prompts for a password. verbose output from ssh client debug1:...
1
vote
0answers
66 views

Super Key doesn't work

I Use Ubuntu 14.04 and the first day after installation the key worked fine. But now I try to use it to open the Dash and doesn't work. I have a lenovo G-580 laptop. I have tried to open the keyboard ...
1
vote
0answers
59 views

What is the use of modifier keys in Xmodmap?

I was following this question to do some remapping. In the question, there is: Additional information: The sequence of these mappings is Key, Shift+Key, mode_switch+Key, mode_switch+Shift+Key, ...
1
vote
0answers
94 views

Ubuntu Trusty Tahr Ctrl, Alt, Shift and Super (Windows) keys sticks

I have just installed a freshly downloaded .iso of Ubuntu Trusty Tahr. After installing I'm having some issues with my keyboard. Whenever I press any of the Ctrl, Alt, Shift or Super Windows key and ...
1
vote
0answers
73 views

How can i modify AltGr with xmodmap?

Hi i have a little problem with the order of two keys in my keyboard, instead of being AltGr+< > like in most of the keyboards in my country, my keyboard comes with the keys this way: < >+AltGr. ...
1
vote
0answers
284 views

Can't SSH with Key Authentication

I created an RSA keypair using ssh-keygen on Ubuntu Desktop 14.04.2 LTS ssh-keygen -b 2048 -t rsa -f ~/.ssh/<keyname> -o Than I added the public key to the remote Ubuntu Server 14.04.2 LTS ~/....
1
vote
0answers
42 views

Complete walk through on creating a new user +Key if nessecary

I am very new to all of this. I use PuTTY to access my WHM Minecraft server without any issue as root. I want to make a new account, I have googled for 2 days and nothing is working. Specifically....
1
vote
0answers
225 views

Gaming macros on ubuntu

I've been able to run League of Legends on wine, and now i'm trying to associate macros to my mouse buttons. I've used xbindkeys+xte to simulate keystrokes. For example: # Press mouse button 1, will ...
1
vote
0answers
248 views

The following signatures couldn't be verified because the public key is not available: NO_PUBKEY

When I look for my error key number 0429ACCAF7AA50B3, it is not in the database, thus I cannot receive or generate anything even none of this did not work: http://opensourceforgeeks.blogspot.cz/2013/...
0
votes
0answers
23 views

Ubuntu 16.04 PGP Key Importing problems

I just installed Ubuntu 16.04. The only problem is that I cannot get them to show up in my Passwords and Keys application. Typing gpg --list-keys in terminal shows all the keys I've added but they don'...
0
votes
0answers
18 views

Full disc encryption key

When selecting a full disc encryption during install ubuntu encrypts the disc, but never offers option to set enc. key? Is this done automatically? Also when enc. passphrase is later changed what ...
0
votes
0answers
63 views

The 5 key is fired on ubuntu 14.xx, 15.xx, 16.xx

I'm on Ubuntu 16.10 (but appear in 15..). Apparently without a motivation, my laptop key 5 being repeatedly entered into it as if I am holding down the 5 key. When I press a key on the keyboard (any ...
0
votes
0answers
24 views

My Super key is dead

My Super key is dead. I mean really dead. It does nothing when I press it by itself, nor when I press it with other keys. It wasn't this way before, and I am not sure what I did to alter it. How do I ...
0
votes
0answers
48 views

Some Keys doesn't work

I've installed the xboxdrv and now some keys in my keyboard aren't working or aren't working the way it should.. Can anyone help me?
0
votes
0answers
17 views

How to lock keys in Ubuntu?

I am looking for a way of locking some keys (from the keyboard) because hitting those keys while launching a particular apps make it crash. Practical example : When I start my application, I want ...
0
votes
0answers
29 views

Hotkey problem - some keys not working

Ok, so the problem WAS : I got a hp laptop with ubuntu (12.04) and out of the box everything worked fine...until one update that somehow interupted the wi-fi on/off togle which is located on the f12 ...
0
votes
0answers
125 views

Some keys not working properly on Ubuntu 14.04 LTS

I'm new here. I could not solve my problem with the threads I already found in this forum. The problem is as follows: Since recently, when I try to type in "n" or "b" (German keyboard: n is next to b) ...
0
votes
0answers
145 views

Change printscreen key to options key

Lenovo l440 has a pretty stupid key design, where options key(emulates a right click) is gone and we have a printscreen key in its place. Is there a way to get options key function on prtsc key ?
0
votes
0answers
73 views

Cannot set 'alt-a' as shorcut in system shorcuts

I'm using Ubuntu 12.10 and I'm trying to set a hotkey alt-a, but the alt key highlights the menu bar and so when I press a it goes back to 'All Settings' and doesn't set the hotkey. How can I set alt-...