Questions tagged [security]

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

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Two-factor authentication for desktop login

I'm trying to setup two-factor authentication to login to Elementary os desktop. I'm using this tutorial for setup. It works ok but only when I login through TTY. It looks like that login screen doesn'...
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Autologin doesn't work (resets after restart)

Installed the last version of Elementary OS, updated. Setup in Users and accounts autologin (don't ask for password when system starts). Reboot the laptop, OS asks me for the password. Check settings ...
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Integration of TPM & Firmware for Full Disk Encryption

Short Version : Is it possible to use the TPM of a Device to use in the Full Disk Encryption provided by you during the Installation Process like in Windows ? Long Version : I mean, I am currently a ...
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Internet security on elementary OS compatible with core2duo Mac 2007

I am a Linux beginner and am looking for a replacement OS for my iMac,if possible Would a compatible elementary distro be supported going forward for web security please Many thanks Doug
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Password setting

What should I do now? Please help me. Thank you. According to the instrument: Password resetting: I dont have my live installation device available. Mine is Elementary os 6.1. But it doesn't work for ...
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My Security & privacy disappears when lanched

OK. I tried to turn on my firewall but the security & privacy app disapers when lanched. When I click on the app (in Setup), it just disappears. .. Pleas help.
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Data encryption in elementary OS

The home PC has elementary OS. When installing the system, I encrypted the data. After the next boot, I enter the password, but it does not accept the password. The password is 100% correct. I changed ...
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LOGIN Password is Lost

I have Elementary on a 2nd computer that I used to use for school. My regular pc died yesterday so i plugged in my 2nd computer and booted. PROBLEM: I set some password at login and now years later ...
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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?
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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 ...
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The entrance is running a curve. Help (

When entering the correct password, it throws it back to the password entry form. How do I deal with this? I've already installed the system 3 times and it doesn't help. Maybe someone had such a ...
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Terminal is not accepting my user password in Elementary os

elementary OS 5.1.7 Hera Terminal is not accepting my user password in Elementary os. Very strange because I have not changed my user password and it also works when I log in. Have had many installs ...
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Can't Lock My Computer

I just did a clean install of Elementary OS. For some reason, clicking lock (from the upper right) or pressing [mod] + L doesn't lock my computer. Any ideas on how to get my computer to lock?
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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 ...
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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 ...
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Thunderbird update not available

I'm using elementary OS 5.1.7 Hera and Thunderbird 68.10.0. Since there's a security warning on versions prior 78.6.1 I tried to update, with no success. AppCenter has no updates for Thunderbird. ...
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security updates and software updates

hi i am very new to elementary os and interested how secure the os for using with my everyday purchasing. also how often are security updates and software updates are applied to the os. many thanks ...
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root password demo mode Odin

I'm trying to try the Odin demo mode but when I connect to the internet, the system asks me for the password. Could someone please pass it to me? Thank you
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elementaryOS 5.1.7 Hera AppCenter and apt require password to install anything

First time question here, so Please forgive/guide me if I'm not doing it right, Thanks ! I'm testing elementary OS 5.1.7 Hera (fresh install from elementaryos-5.1-stable.20200706.iso, I did NOT tweak ...
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Unable to install Eset Nod32

Cannot get past the first step, which requires changing permissions on the Eset installer. Has anyone else installed Eset Nod32 for Linux home successfully on Elementary OS? If so, how?
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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.
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Is there a way to lock certain apps?

I share my PC with my brother. So, I was wondering if there was any way to lock certain apps. Making another account or a guest account is out of the question. Is there any app to do so?
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Can't login, recurring password prompt possibly due to filesystem full

NOOB alert I have been using elementary os for a couple of months without issue. I noticed a couple of days ago a low file space alert. So I increased my root partition from 12 GB to 26 GB which ...
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No password prompt on lock acreen

I have a 5.0 install that has upgraded to 5.1. since the initial install, I've never had the password prompt come up for getting back into the machine after locking. I verified that I do have locking ...
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Finger Print Reader Dell G5 5587 15inch

I have no idea how to enable the finger print reader in order to login.. Side not how could I get fingerprint reader to then enter sudo password when required in the terminal?
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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 ...
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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 ...
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How do I get mail to trust my mail server?

I'm running Zimbra mail server on a Linux box. Thought I'd give Elementary a whirl to see if it's something my family members could use. When I ran Mail and gave it my account settings, I was prompted ...
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Showing that Password is incorrect even though I'm typing the exact correct password

First i thought that I forgot the password literally, then i went to the system recovery to change the password. After changing the password the same thing is happening i.e. It is showing incorrect ...
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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 ...
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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
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Authentication Error After Lock

So a little issue here. Whenever I unlock the system after it locks (either manual or automatic lock), the system does not seem to fully unlock. As in, I have to authenticate every single system ...
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Can't type in my password when waking laptop from sleep mode

When I put my Vaio E Series laptop into sleep mode and wake it up, I can move my mouse and click things, but can't type my password with my keyboard at the login screen. I can click the submit ...
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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 ...
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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 ...
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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...
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How to unlock a folder

I want to install a new theme to Plank but the folder is locked and I have no idea how to unlock it. Super new to Linux.
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Krack attack security updates?

I just read about the Krack attack, which describes a weakness in the WPA2 protocol that impacts almost all devices that use WiFi. More info: https://www.krackattacks.com/ https://github.com/...
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Storing notes securely

I'm moving from macOS to elementary OS and so far I already have most of the tools I use covered. There are some things still missing though, and one of them is the place where I keep passwords and ...
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Is it true that Elementry OS is quite vulnerable to Mass Surveillance programs like PRISM?

I've been told that Elementry OS is built from Ubuntu and Debian.Many of the digital rights webistes were not recommending UBUNTU derivative distros for privacy since Canonical’s Ubuntu contains ...
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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 ...
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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 ...
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(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: ...
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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 ...
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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.
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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
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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 ...
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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 ...
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Is there a way to add log-in user names and passwords for sites in Epiphany? [closed]

Sometimes I can't save log-in user names and passwords for sites, even if I click Save when prompted. For example for Flickr. I guess it's an Epiphany bug, but I couldn't find any information about it....
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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 ...
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