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

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1answer
808 views

Should I install non-repository software as root or as my user?

What is the right way of installing programs that are not available in repositories: should my user own the binaries and keep them in ~/bin/, or should root own the binaries and keep them in, say, ...
2
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2answers
2k views

Should I be worried about a possible threat?

I recently installed Ubuntu 12.10. I use Clamav and have scanned my system regularly for infections. Today it picked up a potential threat ...
1
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1answer
181 views

What are the features in Snappy Ubuntu that make it more secure than the normal Ubuntu?

I am thinking of using Snappy Ubuntu for IoT application. Security is important in IoT. What is the difference between Snappy Ubuntu and the normal Ubuntu that makes Snappy more secure compared to ...
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1answer
40 views

So I used fixubuntu as a privicy measure, what other precations should I take using Ubuntu Linux?

Yes, I just want a privacy preserving OS, I know it's not 100% possible but I'd like to get as close as I can. Thanks
1
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1answer
356 views

Are all PHP security upgrades backported to Ubuntu 12.04 until 2017

I recently came across an extension to a popular CMS that would not install on an Ubuntu 12.04 server, because PHP version 5.3 reached end of live. I was however under the impression that all security ...
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2answers
1k views

How to access locked hard drive?

I have a hard drive with an old 12.04 server install and a data partition on it. I have the hard drive hooked up to my current desktop using a usb to sata adapter with external power supply. I am on ...
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1answer
1k views

“Your Java version is out of date.” on Ubuntu 2014.04

With fully updated Ubuntu 2014.04, Firefox tells me: Your Java version is out of date. How to update Java? Typing java -version in a terminal tells me: java version "1.7.0_51" Java(TM) SE ...
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2answers
27k views

How can I scan for possible viruses on my Ubuntu system? [duplicate]

I think I may have a virus. How would I go about checking for a virus and how can I protect my computer from any other virus? Please give detailed answer as I'm still learning about Ubuntu.
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1answer
120 views

How can I check if an Apport report does not contain any sensitive information?

I know the crash reports are stored at /var/crash. But can I do something to check that the report does not contain any sensitive information? Where can I find the list of reports that I or other ...
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2answers
811 views

How to protect from cloning?

I have no experience using Ubuntu before I'm doing a point of sale project for a restaurant which will run in local Lan (offline not online). I will setup one mini PC as an Ubuntu web server. and my ...
1
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1answer
9k views

flashplayer security doubts

I am an Ubuntu newbie and I installed Ubuntu Desktop 12.04, 64 bit. As I noticed the Firefox is the actual version, but the Adobe Flashplayer was the 11.2 version which has, I guess, some security ...
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1answer
83 views

Inexpensive way to get Ubuntu LTS with 100% certainty that it has not been compromised

I need an Ubuntu installation that I can be 100% certain has no root kits etc. Unfortunately, buying the CDs on the Ubuntu store would cost me roughly $25 plus shipping and handling (pretty steep for ...
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1answer
232 views

How to enable home directory encryption for a particular user?

I prefer to have a dedicated "administrator" user for technical purposes and that was one I've set up during installation. I've also refused to encrypt the home folder of the user. Now, as I've added ...
1
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1answer
3k views

Store the passphrase of encrypted disk in /etc/crypttab encrypted

I'm wondering, if I can store the passphrase of an encrypted disk in /etc/crypttab encrypted - and only possible to decrypt that by that OS, where I created. Is it possible? (because, I want auto ...
1
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1answer
309 views

Is it possible or a good idea to run a more or less secure minecraft server without having pre-experience in Ubuntu?

Hello Dear Ubuntu Questions Community, This is my first on this site and is very important to me! I currently run a Minecraft Server that runs on a server that I have to move aways from, and that in ...
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3answers
378 views

Running Programs As Root While Online

I'm remastering an Ubuntu based distro, meant to be used live only and primarily as a browser so a users hard-drive can be virus free while online. This live browsing adds security for Linux users, ...
0
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2answers
36 views

Why does Ubuntu comes with two firewalls by default?

I just realised Ubuntu comes with two firewalls by default iptables and ufw. But why? I mean running more than one software firewall on one computer can be insecure, that's what they say. I don't ...
0
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1answer
39 views

Can console be suspended and ask for a password on wakeup?

Although I suspect that this is not currently possible, I would just like to ask because it would be something very useful in my opinion. Because when I close my lid and I am in the GUI my computer ...
0
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2answers
772 views

Connect button grayed out in 802.1x authentication dialog

Since I upgraded to 15.04 I can't connect to our office wired network anymore since I can't press connect in the authentication dialog.
0
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1answer
159 views

OpenSSH: hacked before set up?

Today I tried setting up OpenSSH on my computer with the hope of being able to connect to it from a different computer at work. This was my first time attempting to use open-ssh. I did the following ...
0
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1answer
2k views

Connect to my College's WPA from Ubuntu 14.04 LTS [duplicate]

I have Ubuntu 14.04 LTS, and am running it on a Sony Vaio VGN-CR12OE. It is the only operating system. I am trying to connect to my college's WPA WiFi. My settings for this WiFi connection are as ...
0
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1answer
2k views

Help connecting to my schools wireless network

My school´s hates everybody that dosen´t run Windows 7/8. Therefor, they will not give me support in connecting to my School´s wifi, which i need badly. I have a guide for Windows 7 and I hope that ...
0
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1answer
152 views

What exactly happened? This looks like an attack

I was watching a movie and suddenly I was logged out. When I logged back in, Team Viewer was started immediately, although it's not on startup programs. Quickly I opened the terminal and gave the ...
0
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1answer
54 views

How to file a bug report for a specific Ubuntu release?

I imagine if I want a package updated in an LTS, such as 12.04, it has be for a very good reason. The actual package I am interested in is picolisp: It has a (probably also affecting security!) bug ...
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1answer
423 views

Is Ubuntu really more secure than Windows? [closed]

For years I am considering Ubuntu (or any Linux distribution) far secure than Windows. But when I read Most vulnerable operating systems and applications in 2014 I couldn't believe it. That's why I ...