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Questions tagged [security]

Security covers a wide-ranging set of topics including Users, Permissions, Authentication, Authorization, Upgrades, Firewalling, Hardening, etc.

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19 votes
3 answers
3k views

Does elementary OS perform any sort of remote data collection?

What happens with my data, if I do not enable Privacy Mode in System Settings? What data does elementary OS collect from my device in general? And is the Amazon Web Search which Ubuntu implemented ...
Seth's user avatar
  • 191
18 votes
3 answers
6k views

Multiple password prompts on resume from sleep: "Authentication is required to refresh system sources"

I've recently installed 0.4 Kodi Beta 2 on my XPS 13 as the broadcom WiFi chip installed on it only started receiving support on Ubuntu starting 16.04 on which 0.4 Kodi is based. So far everything has ...
tedodactyl's user avatar
15 votes
3 answers
15k views

Why Can't I Log In to Gmail with Geary or Mail?

When I tried to add my Gmail account, I was notified by Google with a message that follows: Sign-in attempt prevented Hi, Someone just tried to sign in to your Google Account from an app ...
INSERTNAME's user avatar
14 votes
2 answers
17k views

How to change or remove keyrings on elementary OS

It always asks me to put a password in, but I think it is annoying: Is there a way to remove this? I tried resetting the system settings, but that didn't work, I also tried to find it, but everything ...
gazny's user avatar
  • 145
10 votes
2 answers
1k views

Why is there a delay when I enter my password incorrectly?

Whenever I enter my password incorrectly upon login, there's a delay before I can try again. Why is this? Is there a way to remove the delay?
Daniel Foré's user avatar
  • 9,724
10 votes
1 answer
2k views

How can I remove the password prompt from the lock screen?

I have enabled Auto Login in the settings. But if the laptop goes inactive, the screen get locked and wants to know the password. Is there a solution to deactivate the password query on the lock ...
Stiffler's user avatar
  • 815
9 votes
2 answers
24k views

I forgot my password

I'm very worried because I forgot my password to log into my Elementary System and now I can't log in, please help me as soon as possible. Thank you very much.
isaac's user avatar
  • 91
9 votes
2 answers
6k views

Why is running commands with sudo dangerous?

I know that sudo can do some bad things - there are warnings everywhere: But I'm interested as to what is likely to happen when using sudo - why is it so dangerous, and what can I do to reduce that ...
user avatar
9 votes
5 answers
4k views

New important security and hardware support update

Anyone getting this? Is there a way to get rid of it? New important security and hardware support update WARNING: Security updates for your current Hardware Enablement Stack ended on 2016-08-...
Fabio Antunes's user avatar
7 votes
2 answers
143 views

How does elementary determine the strength of a password?

I'm curious as to how the strength of a password is calculated, because the password I just entered wasn't classed at full strength: When it is full for Google, Medium for Microsoft and Full for ...
user avatar
7 votes
1 answer
2k views

What about sudo makes it less secure than pkexec?

I just heard that it isn't recommended to use sudo -i on GUI programs - because it's less secure. Is there any truth here - is there an advantage to this: sudo -i pantheon-files /location over ...
user avatar
6 votes
3 answers
557 views

Is there a pantheon-integrated encryption utility?

Is there any utility that can be integrated into Files so that I can just right click a folder -> encrypt/decrypt? If not, would you recommend me any GUI software to encrypt entire folders? I've been ...
dvilela's user avatar
  • 497
6 votes
1 answer
274 views

Does elementary receive Debian's security update?

I was looking for a distribution to install a Linux system after a couple of years, and I really liked elementary OS! But I was reading about it and it is based on Ubuntu, which is based on Debian. ...
Jim Anthony's user avatar
4 votes
1 answer
4k views

How can I sign in with my fingerprint on Elementary OS 6 Odin?

I have a fingerprint sensor supported by libfprint. How can I use it to log in to Elementary OS?
hacker1024's user avatar
4 votes
1 answer
54 views

Will the Preferences URL Specification pose a security threat?

Re: your posting Switchboard "use of URLs" (link follows this comment) I am concerned that Switchboard's "open/extendible" approach could be or become Elementary's 'Achilles heal'. How can the URL ...
annonymous's user avatar
3 votes
2 answers
196 views

No password change with encrypted home folder [duplicate]

I have a freya 0.3.2 / Win 10 dual boot system with an encrypted home folder on a separate partition. Recently I changed my user password in the system settings. As a result, I could not log into the ...
deesnook's user avatar
  • 944
2 votes
1 answer
26 views

System is unlocked on power up

Whenever I power up my system, I am automatically logged in. I never get prompted to type in my password. However, if I suspend the system (either from the power menu or by closing my laptop) I do get ...
turnip's user avatar
  • 123
2 votes
1 answer
139 views

Two times password required for booting

My version is Freya, and I chose encryption of my harddisk at the installation. The whole HDD is used with one root partition and one swap partition. The first time it asks for password is just ...
Børge's user avatar
  • 21
2 votes
1 answer
1k views

Did I install Firefox right and safely?

I didn't realize firefox could be downloaded inside of OS so I went online and found this code to type in the terminal. sudo apt-get update && sudo apt-get install firefox Is there any ...
user8053's user avatar
2 votes
3 answers
7k views

Recommended antivirus applications for Linux

As a semi-new Linux user concerned about computer security. I have read Internet articles on Linux anti-virus (AV) applications. Most posts are outdated. There is a dearth of anyone reviewing Linux AV ...
mr_mojo's user avatar
  • 61
2 votes
1 answer
140 views

Forgot passphrase of an encrypted disk

I did the encrypted disk option upon setup and have forgotten my passphrase. I wrote down the backup code it gave me, but don't know where to use it. Also, how do I turn off this encryption? It's ...
Haley's user avatar
  • 21
2 votes
1 answer
2k views

How to change password of /home folder encrypting?

When you just change your password the passkey isn't changing (Maybe, it's a bug?). So, how to change it?
totikom's user avatar
  • 394
2 votes
0 answers
573 views

(Is it possible to find out) what caused or might have caused my encrypted home folder to get unmounted?

Two days ago while I was working with OpenShot video editor that was constantly crashing, my home folder got unmounted. When I tried to access my data there were only two files in my home folder: ...
Emdy's user avatar
  • 21
1 vote
1 answer
1k views

How can I add / renew CA cert's which pantheon-files is using?

I wanted to mount my webdav share which is using certificate backed by CA "Let's Encrypt". Unfortunately pantheon-files declare that CA is not trusted (not found). This CA is perfectly workable and ...
richo's user avatar
  • 51
1 vote
3 answers
147 views

How can i remove and prevent a trojan on freya?

A fake bank page appeared as i was trying to acess my bank account. The support attendant from the bank told me that i might have a trojan on my notebook and net.
Pilar Leminski Veiga's user avatar
1 vote
1 answer
3k views

Is it possible to disable password

Is it possible to bypass password forever I grow tired of entering it all the time. I would like to set up the computer so that my parents do not need to enter a password upon wake up and when ...
Chuck's user avatar
  • 11
1 vote
1 answer
563 views

On Juno, updates authentication dialog crashes on loop

Since yesterday nights, there are those updates: When I go on and update, there is on loop a crashing authentication dialog that shows up: The two dialogs are flickering super quickly, you cannot ...
Travis's user avatar
  • 310
1 vote
1 answer
55 views

How can I recover a password from a sftp bookmark in pantheon-files?

A while ago I was working with a remote environment and I decided to bookmark it in Pantheon-Files app. I inserted my username and password and I marked the "Keep it forever" box so I don't ...
Cat-Mouse's user avatar
1 vote
1 answer
190 views

Install OpenSnitch in Juno?

Has anyone managed to install OpenSnitch in Juno ? I tried the install it using the procedure from the README.md, but the "make" command fails with the following error : Command "python setup.py ...
Nibbler's user avatar
  • 11
1 vote
1 answer
573 views

Password resetting: I dont have my live installation device available.

Is there any way I can reset my password without having that live installation thing? Its stuck on loading initial ramdisk...
Vince's user avatar
  • 11
1 vote
1 answer
253 views

PGP Signatures of ISO Downloads?

Does elementary OS PGP-sign ISO downloads? If not, is there a good avenue for requesting this? Ubuntu, Fedora, Arch, Gentoo, and more all sign their downloads with GPG and provide cryptographic ...
Naftuli Kay's user avatar
1 vote
1 answer
53 views

After change Admin-PW I can't log in anymore

I changed the password in the admin functions, I restart the Laptop and when I want to log in I write the password and enter → the display turns black for one second and the field for password is ...
Anne Enna's user avatar
1 vote
3 answers
720 views

Unable to boot elementary OS after new important security and hardware support update

I have installed above update and after that system cannot boot. it displayed the "e" logo and after that everything goes black again, does anyone know how to fix this? already tried recovery mode. ...
Praveen's user avatar
  • 177
1 vote
1 answer
6k views

How do I install current versions of OpenSSH and LibreSSL?

The versions of OpenSSH and OpenSSL that ship with the Ubuntu base version can be several releases out of date. How can I install updated versions?
Sysfu's user avatar
  • 771
1 vote
1 answer
99 views

Freya security repositories turns to debian jessie

I encounter various problems with my computer. The first is that my native language is French and I don't know how to make this the default language, so the login screen, keyboard and the session are ...
Olivier Voituron's user avatar
1 vote
1 answer
196 views

How to keep password protection to individual files/folders

I am using elementary OS freya. How can I encrypt (or) keep password protection to individual files/folders. The following are my requirements and what I have tried so far: The solution should be ...
Ravan's user avatar
  • 7,877
1 vote
2 answers
6k views

How safe is elementary OS

This question sounds like exact duplicate of https://askubuntu.com/questions/30032/how-safe-is-ubuntu. May or may not, but I would like to know How safe is elementary OS ?
Ravan's user avatar
  • 7,877
1 vote
0 answers
47 views

Is elementary a Good Choice for a Corporate Setting?

Would elementary os be a good choice of Linux distros for a corporate setting? I'm just curious.
MadderMudder's user avatar
1 vote
1 answer
389 views

Elementary OS keeps on booting into a disabled administrator account

In order to better be able to administer my workstation which is used by the entire household I have set up one administrator account and took away administrator privileges for all the others. However ...
Roman Koschar's user avatar
1 vote
0 answers
44 views

How to remove the password request from the key deposit

I would like to not have to type the password every time I start google chrome in the system. Thanks in advance
Israel's user avatar
  • 11
1 vote
0 answers
78 views

Save passwords for applications not working

I installed a elementary OS on my notebook last week. Everything works fine until the password saving for applications like Thunderbird or ownCloud desktop client. I never got this problem before. I ...
user16843's user avatar
1 vote
0 answers
78 views

Suspension of system results in unresponsive lockscreen

As the title says, the system will randomly "lock me out" of my laptop if it goes to sleep by itself. The lockscreen won't allow me to click and input my password again, which forces me to do a full ...
Geller's user avatar
  • 11
1 vote
0 answers
576 views

How to harden elementary OS [closed]

I use Elementary OS. How can I secure it? I am not a advanced linux user, but in the past 8 months I have gotten comfortable with using terminal.
Lewis40's user avatar
  • 11
1 vote
1 answer
44 views

How to zero out a disk

What's the easiest way to write over a hard disk (such that you could give it to a friend, etc.) on elementary OS?
wolf's user avatar
  • 4,324
1 vote
0 answers
1k views

(Correct) password not working

My (correct) password no longer works at login screen. At the login screen the password field accepts my password but does not allow me to log in. I just get the usual "field-shake" response and a ...
Gazza Mudgecko's user avatar
1 vote
1 answer
157 views

How do I access my Truecrypt container?

I am migrating from OS X and have some Truecrypt containers that I want to access and eventually convert to Linux friendly containers. What solutions exists for elementary OS and is there one over the ...
Hannu Soini's user avatar
0 votes
2 answers
118 views

Elementary OS Updates And Security

I am very, very new to Linux. I am taken aback at how upon installing elementaryOS I was immediately hit with a series of "updates" to various functionalities. How do I know these updates ...
DerpMas's user avatar
0 votes
1 answer
42 views

How do I get a vulnerability patch for sudo?

Is there a patch available for sudo in elementary OS? I see there's one available for Ubuntu, but I can't find anything about elementary OS. I'm running elementary OS, and it's completely updated, but ...
birch skies's user avatar
0 votes
3 answers
7k views

How to get username or password on elementary Os?

Unfortunately i forgot my username or password for my account, how do i know what is my username?? I can open the terminal at login screen, and then the terminal screen shows this elementary OS Loki ...
Asfandyar Khan's user avatar
0 votes
1 answer
38 views

I want to disable the crypto password when I switch on my laptop

How do I disable the crypto set up password when I switch my laptop, it is not the login password but the one when you power on your pc. please help I am using os loki thanks
user8442's user avatar