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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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1answer
21 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 ...
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1answer
17 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 ...
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2answers
37 views

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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0answers
23 views

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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0answers
82 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 ...
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0answers
49 views

Apt repository changes

Has anyone seen these updates today? Are they safe to accept? sudo apt update [sudo] password for joe: Hit:1 http://us.archive.ubuntu.com/ubuntu bionic InRelease Get:...
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0answers
13 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
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1answer
78 views

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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1answer
73 views

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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0answers
118 views

Need a password manager

I need a password manager that has these features: Free open source. Not cloud. Opens the password manager on system login. Integrates with Chrome and FireFox to auto fill usernames and passwords etc....
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1answer
343 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 ...
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0answers
32 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 ...
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1answer
42 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...
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1answer
814 views

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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1answer
195 views

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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1answer
58 views

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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1answer
109 views

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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1answer
1k 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 ...
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0answers
73 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 ...
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0answers
244 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: ...
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3answers
3k 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 ...
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0answers
396 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.
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1answer
31 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
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1answer
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 ...
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1answer
541 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 ...
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2answers
127 views

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....
4
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1answer
50 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 ...
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1answer
119 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 ...
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2answers
445 views

How to auto login (straight to desktop without any password)

I am currently downloading Loki and will be clean installing it tonight over Freya. This is my old parent's desktop. They get really irritated with logging in with a password. How do I do this? (Last ...
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1answer
52 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 ...
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0answers
65 views

Making the GUI authentication persist through login session

I'm talking about the 'Authentication required' dialog that pops up when meddling with System settings, etc. I remember vaguely that there was a method in Ubuntu, to make it persist through a login ...
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1answer
26 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?
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2answers
119 views

What is the password to update the previous elementary to Loki?

I tried to upgrade straight to Loki but the installer asks for a password that I do not know. What is the password?
2
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1answer
74 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 ...
18
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3answers
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 ...
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3answers
337 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. ...
2
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1answer
1k 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?
8
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5answers
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-...
2
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3answers
4k 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 ...
3
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2answers
150 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 ...
0
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1answer
1k views

How do I install current versions of OpenSSH and LibreSSL?

The versions of OpenSSH and OpenSSL that ship with Ubuntu trusty are several releases out of date. How can I install updated versions?
6
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3answers
398 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 ...
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1answer
95 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 ...
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3answers
126 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.
1
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1answer
139 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 ...
0
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1answer
31 views

When I click Administration account, it will not let me on the account. How can I unlock the settings from the guest account? [duplicate]

Whenever I click the admin account, it will not let me on it and only comes up with my background picture. This has happened for a while as I once turned off my laptop whilst it was going through an ...
0
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1answer
47 views

My sudoers setting is not working

I tried to use visudo to edit the sudoers setting, and I added a line for my account below the root, here is how I do it username ALL=(ALL) NOPASSWD:/usr/bin/apt-get update,/usr/bin/apt-get dist-...
1
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1answer
119 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 ...
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2answers
13k 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.
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2answers
4k 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 ?