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66
votes
5answers
134k views

How to disable strict host key checking in ssh?

I would like to disable strict host key checking in ssh for ubuntu 11.04. How to do it?
10
votes
1answer
320 views

How do I make a key on the keyboard do *nothing*?

My right control key on my keyboard sticks. I hit it accidentally often enough that I'd like to make it do absolutely nothing when it's hit. Is this possible?
9
votes
2answers
4k views

Where can I get a list of SCHEMA / PATH / KEY to use with gsettings?

After doing some research, I found that I can quickly set configuration options using the gsettings command in the terminal, instead of installing dconf-editor or gconf-editor or CCSM. But we need ...
8
votes
5answers
15k views

How can I permanently save a password-protected SSH key?

I am using Awesome Window Manager How can I permanently add private keys with password? Inspired by the answer here I have added the private keys in ~/.ssh/config Contents of ~/.ssh/config: ...
8
votes
5answers
15k views

Unlock all private keys on Ubuntu, entering password only once at login

I login to Ubuntu 12.04 using a password. Later on, when I use my browser(Chrome), I'm asked for a password to unlock the keychain so that the browser can access my saved credentials for various ...
7
votes
3answers
11k views

How to remap Super(left) key to control key

Could anyone please tell me how to remap my Super(left) key to Ctrl key? I mean Super(left) should work as Ctrl key..
6
votes
1answer
2k views

Enabling passphrase on an already existing private key

I already have a ssh private key without a passphrase. As I have started to use it to login to a few critical and secure systems, I need to use a passphrase on my RSA private key. How can I enable ...
6
votes
1answer
416 views

Shell scripting bash: How to detect Alt+N keystroke?

I want to write a script that always listens in the background and execute a particular command when the user hits a specific key combination such as Alt + N. How this can be done?
5
votes
3answers
23k views

SSH public key authentication doesn't work

I'm having trouble setting up public key authentication for an SSH server on Ubuntu Server 12.04 (A) for authentication from an Ubuntu Server 13.04 (B). What I'm doing now (I'm trying to follow the ...
5
votes
3answers
3k views

Fast-pressed key triggers auto-repeat (Ubuntu 14.04 LTS)

When a key is pressed and released quickly, it will auto-repeat until the keyboard is touched again. Lorem Ipsummmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm It looks like the system receives the "keypress" ...
5
votes
1answer
47 views

How is the authenticity of Ubuntu updates verified?

I couldn't find much info on the security of Ubuntu (and Linux in general) update verification/security. The connection appears to be plain ftp. but the packages are signed using a private key and ...
4
votes
2answers
849 views

typing arrows in plain text?

In plain text (as opened in emacs, gedit, ...), how can I type up and down arrows? I type the up arrow in two lines, as "^" above "|", where aligning them is very inconvenient. I don't know how to ...
4
votes
1answer
8k views

type French accents with US international keyboard [duplicate]

I am running Lubuntu on my laptop and would like to write French accents with a US keyboard. I find the compose key solution ([Alt]+[accent] at the same time, followed by a [letter]) not that handy... ...
4
votes
2answers
5k views

binding back/forward to mouse buttons

I have a basic logitech mouse with 5 buttons: left, right, wheel left, wheel, wheel right. I used to use wheel left and right for going back and forward in my browser or navigator. Now this doesn't ...
4
votes
1answer
173 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
122 views

How to block super powers?

I have a Super or a Windows key on my keyboard. As a Windows user I'm used to using it to open the start-menu. On Ubuntu its a very sensitive key. Sometimes when I press it by mistake the whole system ...
3
votes
1answer
204 views

Ubuntu 13.10 duplicates my key presses

I have upgraded from Ubuntu 13.04 to 13.10 and it now constantly duplicates my key presses when I am in a browser, HUD or libreoffice. So if I type "ubuntu" it types "uubbuunnttuu". When I press ...
3
votes
1answer
61 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' ...
3
votes
2answers
656 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 ...
2
votes
2answers
3k views

Tab key doesn't work

Since a couple of days, my Tab key doesn't work. Alt + Tab works fine. For example in a text editor it does nothing, but for example in a form in the browser it blinks/focuses the field but it ...
2
votes
1answer
367 views

How do I create one user without key authentication?

I've completed the following steps: I have configured Ubuntu server with Key authentication and it is working fine. I have disabled password authentication for key authentication to work. The server ...
2
votes
1answer
23 views

Ubuntu + PrtSc + AltGr = CRASH

On Ubuntu 15.10 and 15.04 on Lenovo t440p when I'm writing a code in Netbeans and accidently click button AltGr and PrtSc on same time it's crashed and reboot system. This not take action with fresh ...
2
votes
2answers
285 views

Happlink Plug-up FIDO U2F Security Key. Why it doesnt work immediately in Ubuntu

Ubuntu 12.04LTS Happlink Plug-up FIDO U2F Security Key. Why it doesn't work immediately in Ubuntu. http://sk.happlink.com/plugup/en/ What shall I do with it?
2
votes
1answer
174 views

How to revoke old OpenPGP keys?

I've been foolish over the years and created a few OpenPGP keys for various reasons (mostly self teaching) and never revoked any of them or changed them etc before re-installs or whatnot. Anyhow I ...
2
votes
1answer
36 views

What key for Ubuntu option during pre boot (small twist)?

This question is close to others on the site but I still haven't found an answer. I have a Toshiba Satellite with Windows 7. Ubuntu has been installed on it and I have used it before. I haven't ...
2
votes
2answers
6k views

GPG error in Ubuntu update

When I run the sudo apt-get update, it results in the following Reading package lists... Done W: GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified ...
2
votes
1answer
114 views

How to cat the `MAAS Key` of a user via `maas shell`?

When we login to MAAS web UI, we can see the user MAAS Key in the Preferences page. Is there any chance to cat it as a text via console command maas shell?!
2
votes
1answer
1k views

custom hot key for terminal command

I want to hit F1 and have a string with return key to be typed automatically into the terminal I am in. I do not want to do it with bash_profile because I want it to be configured locally in once ...
2
votes
0answers
23 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
1answer
195 views

How to reconfigure keyboard (W and P not functioning correctly) [duplicate]

I was reluctant in asking this question but everything I've researched has led me to a dead end. Shift + w and Shift + p aren't working correctly. So I'm unable to use W and P unless I use the caps ...
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 ...
2
votes
1answer
165 views

Screen resolution changes when a key is pressed

Ubuntu 13.4 64 Bit (same behaviour on 12.4). Laptop is off. An external screen is connected via VGA. I start the laptop (auto-login). Screen resolution is the highest for both the laptop screen and ...
2
votes
1answer
329 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 ...
1
vote
1answer
113 views

GPG Error Missing Signature [duplicate]

When I do the command below: sudo apt-get upgrade At the bottom I get an error saying W: GPG error: http://download.opensuse.org Release: The following signatures couldn't be verified because the ...
1
vote
1answer
417 views

How to generate WEP keys from a passphrase

I have a passphrase and I want to generate a WEP keys from it. Are there a linux command for that?
1
vote
3answers
1k views

Trouble Setting up Open SSH with Putty

I for the life of me can't seem to get openSSH to work on Ubuntu Server 10.10 with keys I generated in PuttyGen on my Windows machine. After hours of trial and error and web searches I can't get my ...
1
vote
2answers
115 views

How to share the public OpenPGP key using GnuPG?

I used GnuPG to generate a key. But looking at the GUI, I cannot tell where my public key is stored. I would like to share it with friends. I clicked on export, this exported a name.asc file, but ...
1
vote
1answer
192 views

Double (different) key press detected

I have Windows 8 and Ubuntu 14.10 as dual boot. I have PS2 keyboard. Sometimes randomly (can't reproduce yet) Ubuntu detects multiple different key presses when I press specific buttons. Some buttons ...
1
vote
1answer
251 views

How do I generate a new OTR key for Pidgin

I accidentally leaked my OTR key. How do I generate a new one in Pidgin?
1
vote
2answers
159 views

SSH ids are forgotten on logout

I'm having trouble setting up SSH public key authentication. I want to use this to backup my server to a backup server with SSH. I will do this automatically with a cronjob, so I can't type in the ...
1
vote
1answer
294 views

Know my windows 8 product key

I have had several problems trying to install Ubuntu alongside my windows 8.1 so as it was booting in UEFI mode, as Im not that into pc games, I decided to format the hard drive and just install ...
1
vote
2answers
73 views

Trying to import a friend's public OpenPGP key - but nothing happening and I cannot see the key

Strange issue: A friend of mine sent me his public OpenPGP key. I tried the following: Method 1 Pasted his OpenPGP key block into a .txt file Launched seahorse and clicked on File > Import ...
1
vote
1answer
119 views

Is there a GUI Keyboard Remapper App?

Running Ubuntu 15.02. Tried finding the keyboard layout tab and now I'm convinced it's gone missing with this latest release. Thus, I'm looking for a simple app that does the same thing... I'm a Mac ...
1
vote
1answer
58 views

Configuring arrow keys on media

I just installed Ubuntu and I'm extremely happy about it, I can see myself switching to Linux from Windows permanently. There's a slight problem however, when I'm watching a movie, arrow keys skip ...
1
vote
2answers
414 views

Where do I find Ubuntu's PGP signatures and signing keys? [duplicate]

where can I find PGP signatures and signing keys for Ubuntu? I want to verify the download, but the only thing I can find are the MD5 hashes (https://help.ubuntu.com/community/UbuntuHashes). I can't ...
1
vote
1answer
3k views

How to unlock the boot partition in GParted

First of I am a total noob in Ubuntu and have never used a Linux-based system before. Just to give you an image of how little knowledge I have: I am at the point where I am trying to understand the ...
1
vote
1answer
519 views

How to revoke gnupg public key without private key?

Long story short I have an key generated with seahorse and mistakenly deleted it from my system. I do remember passphrase but I don't have this key anywhere on my system. Scanned trough Ask Ubuntu but ...
1
vote
1answer
76 views

SSH Keys on multiple operating systems

I have a Ubuntu Server 13.04 and I currently use password only SSH login. After seeing how many attempts were made to maliciously login to SSH I need to switch to key based authentication. I have ...
1
vote
1answer
7k views

Cloud instances in OpenStack can't import public SSH key

does anybody know how to actually fix the problem of Ubuntu Cloud VM instances in OpenStack not being able to import public keys from Nova-api's meta-data server with the following message: ...
1
vote
2answers
4k views

Fn keys and card reader not working in Asus k55

I am using ubuntu 12.04 in my new Asus K55 (Intel® Chief River Chipset HM76). It works pretty well but the SD card reader is not recognized, and the Fn keyboard keys are not working. I have followed ...