Security covers a wide-ranging set of topics including Users, Permissions, Authentication, Authorisation, Upgrades, Firewalling, Hardening, etc.
1
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1answer
20 views
installing filezilla in ubuntu 13.04 raring ringtail plus security concerns antivirus firewall
I go to ubuntu software center and find filezilla but there is no button to install.
I try to find it in ubuntu start button at application or ubuntu dash how its called and click download the button ...
0
votes
0answers
6 views
rEFInd security standard problem
I tried to install ubuntu with windows 8 in my new notebook, but now ubuntu works, but not windows. Someone told me to use rEFInd to correct the problem, but when I try to install i appears a message ...
0
votes
1answer
24 views
Where are ALL ubuntu logs/terminal history stored
In what folders are the logs and key histories stored so that I may make a script to purge them. Is there a specific folder for the hibernation partition or a file by which it keeps the RAM data on ...
0
votes
0answers
45 views
This website keeps coming up
I keep getting a facebook page come up in my browser. What's going on? I've searched for it on Google and people keep relating it to facebook app development. I work with python, html and BASIC. I ...
0
votes
1answer
39 views
Somebody help me with my paranoia
I tend to be on the paranoid side, and for some time there are messages in my log file that tend to get me going close to the edge of sanity. Could someone explain the following in my auth.log file ...
40
votes
5answers
21k views
How can I install just security updates from the command line?
sudo apt-get upgrade installs all updates, not just security updates. I know that I can use Update Manager to select only important security updates, but is there a way to do this from the command ...
0
votes
0answers
32 views
ufw firewall operation
I have always run the program UFW as my firewall in Ubuntu, and been satisifed with its performance. When I installed Ubuntu 13.04, and enabled ufw, I was not able to access the internet, and all ...
0
votes
3answers
70 views
WiFi, as it relates to my router
Why does my ubuntu make a WiFi connection ONLY when I disable the security settings of the router?
I have a 3-computer network, 2 of which connect just fine (with the router's security settings ...
15
votes
3answers
700 views
How to sandbox applications?
I want to run small untrusted programs, but restrict them from accessing any files outside of their folder, network access, and everything else that they don't really need. What is the simplest way to ...
0
votes
1answer
28 views
Disable security warning
How I disable Unverified Publisher security warning box ? I want setup my Ubuntu to start this program after restart automaticaly.
0
votes
1answer
34 views
What are the security support statuses of derivatives?
I have only a quick question. Does Kubuntu, Xubuntu and others has the same level of security like the plain Ubuntu? I mean security for the desktop environment, because I know that for others it has, ...
0
votes
1answer
18 views
Get Security Updates Delta, and install them
I am writing a script that is supposed to run every day to check if there are any new security updates for Ubuntu.
If there are, it will make a list of those updates, it will download them, and then ...
-1
votes
3answers
44 views
Will my system remain safe, if i run ubuntu (through VMware) on windows - for virus purposes?
i want to use both windows & ubuntu, but i mostly work in windows & that i use ubuntu only for virus purposes(virus-free). By doing as mentioned above, will it be effective in removing the ...
0
votes
2answers
360 views
What is pxgsettings?
Today I opened System monitor to kill an app and found three enigmatic entries labelled pxgsettings and four sh entries. See image below:
Does anyone have a clue what these are?
EDIT
Today (2 days ...
54
votes
17answers
5k views
Why is it bad to run as root?
I've often come across posts on forums or other websites where you see people joking in such a manner about running/logging in as root as if it's something awful and everyone ought to know about it. ...
0
votes
1answer
20 views
How to recover faulty pam.d configuration?
I am struggle to login after configured kerberos in pam.d.
Eventhough , I tried with root user , it also no use. I know, I did something wrong on that but how can I restore the pam.d ...
0
votes
0answers
29 views
Integrity check against package repository?
When there are security updates, I review and install them as soon as possible and think about using automatic updates.
From time to time I want to boot from a clean boot CD and check if the system ...
-2
votes
0answers
38 views
How to generate 4 WEP keys with linux commands? [closed]
I have a sagem router. this router is able to generate 4 WEP keys from a given passphrase.
Example:
Passphrase: "hahahahahahahahahahahahahahahahahahahahahahahahahahahahahahahaha"
key1: ...
4
votes
1answer
44 views
How to make my server email me when there are security updates?
There's obviously a way to check to see when an update is a security update. I often get greeted by a motd that says "there are N security updates."
What I'd like to do is have my server email me a ...
3
votes
1answer
245 views
How can I block a range of IPv6 addresses?
Are there any IP blocking applications or firewalls that support IPv6?
The ones I know about (pgld, moblock (sunset?) , nfblock, iplist (looks old)) are only for IPv4.
0
votes
2answers
64 views
Is there any security alarm?
I have friend that leaves an awful amount of time his laptop unattended. Its is not me, it would be stupid tip for thieves to ask this publicly if it was me :p.
I was thinking of an alarm that could ...
2
votes
1answer
33 views
What system tool is reporting this error and how to diagnose?
In the last week, every time I turn my Ubuntu (12.04) machine on, and sporadically throughout operation (about every 1hr that I'm actively using it), I get the following popup from the system:
When ...
1
vote
1answer
25 views
How to display AppArmor denied messages as desktop notifications
How can I get live notifications on my desktop whenever an AppArmor denied message is triggered?
9
votes
5answers
2k views
How to install tor?
I tried to install tor on my new version of ubuntu but it seems that tor is not available in repositories , how else can I do it?
27
votes
10answers
12k views
How can I securely erase a hard drive?
I'm planning on selling a USB external hard drive that currently contains an old Ubuntu installation with stored passwords and banking information.
How can I securely erase the drive before selling ...
1
vote
1answer
1k views
How to use sudo command in the default guest account?
How can I use sudo command from terminal in the default Ubuntu 12.04 guest account, in order to connect to vpn client and service. (OpenVPN+TrustConnect+Comodo)
I know it has been disable by ...
0
votes
1answer
46 views
Isolate Malware in VirtualBox and emulate fake responses [closed]
I have some malware I want to study, intercepting its "phone home" connections, sniffing where and how it is trying to connect and then somehow, by pretending I am the host(s) he is connecting to, ...
1
vote
1answer
191 views
fail2ban broken after dist upgrade
My fail2ban install is broken after a dist update. I have no idea why it stopped to work. The logfile is over weeks 0 byte. Even if I can see in my server logs that the client should be blocked.
Here ...
9
votes
3answers
2k views
Does java security flaw affects ubuntu also?
There are rumors about an actual java security problem. The BSI advises people to deactivate java plugins version 7 and prior in all kind of OS, even in linux. Does this mean, I should deactivate ...
0
votes
1answer
112 views
Java 1.7 bugs affect ubuntu too?
I remember hearing bad things about java 1.7 on windows and OS-X, but are the same security holes present in Ubuntu?
4
votes
2answers
495 views
Google Authenticator for Desktop (lightdm or gdm plugin)
There has a been a similar question, but that's not exactly what I want.
I'd like to know if there is a plugin, or add-on, for lightdm or gdm that allows me to authenticate using my password AND ...
1
vote
4answers
2k views
How do I encrypt/decrypt file within gedit?
In the previous version of Ubuntu (eg: maverick, natty), I used to do a:
sudo apt-get install gedit-plugins seahorse
to have the ability to encrypt/decrypt file within Gedit after enabling the ...
-2
votes
4answers
762 views
Can I trust Ubuntu even though Stallman calls it “spyware”? What about Zeitgeist?
Recently Richard Matthew Stallman call Ubuntu as "Spyware". Click here for more information.
The program called "zeitgeist" spies. How to disable it?
Zeitgeist is also available on Ubuntu 11.10. ...
0
votes
2answers
203 views
IP cam viewer for Vonnics DVR Ubuntu
I am trying to view the output from my Vonnics DVR security system. It works from a Windows program that came with the system, I-phones and my Android based phone. The only Windows computer is my ...
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votes
1answer
84 views
Is my ubuntu hacked? [closed]
I briefly opened a few ports a closed them all subsequently. However shortly afterwards i got a Warning that a malicious client could be eavesdropping. I then noticed that the following programs have ...
0
votes
0answers
96 views
How do I install security updates in Ubuntu [duplicate]
I get the following message during a login. How do I install security updates in Ubuntu.
Why am I getting the reboot error.
132 packages can be updated.
68 updates are security updates.
Get cloud ...
14
votes
3answers
242 views
What automated intrusion notification/detection setup is good for home desktop use?
I've been using Linux for quite a while now and I always feel the need to have a passive software / script setup which can alert me of any suspicious network activities like scans, failed login ...
0
votes
1answer
47 views
Does Gwibber/UOA auto-follow people on twitter without my permission?
Each day I gain new twitter followers whom I don't want to follow. I have to unfollow them manually. I have checked my twitter authorized apps section. Only two of them have permission. ...
0
votes
1answer
51 views
Some doubt about root password
I was looking for installing a LAMP in my personal PC but I can't create folders in /var/www so i run this little script in my console:
sudo passwd -l root
And I don't know if this an issue ...
22
votes
14answers
5k views
Why is there no option to login as root?
Why does Ubuntu not allow the GUI users to login as root at the time of system start up like administrator in Windows?
Why they are restricting us to login only through the terminal?
4
votes
1answer
642 views
How do I scan for viruses with ClamAV?
I installed ClamAV via Terminal (Ctrl+Alt+T) with:
sudo apt-get install clamav
but how can I scan for viruses?
5
votes
1answer
5k views
How to change LUKS passphrase?
Having installed Ubuntu 11.10 with whole disk encryption and LVM, I need to provide a way for users to easily change LUKS passphrase.
Preferably, this should be done using GUI tools, thus, enabling ...
10
votes
4answers
4k views
Which free VPN providers support Ubuntu?
Can't find any free VPN provider for Ubuntu. I tried looking into old questions but they seem to be outdated.
2
votes
2answers
75 views
I don't know my passphrase
I have just installed Ubuntu and I am not sure what my password is. I don't really know that much about computers.
2
votes
0answers
27 views
How can I configure sudo to prompt for password and show the executed command?
The title says it all. How can I configure sudo to prompt for password and show the executed command?
Rationale: if something gets aliased in the shell or I end up executing a function sudo instead ...
38
votes
1answer
1k views
Can I make the webcam take a picture when an incorrect password is entered?
I am using a laptop . I was thinking to have a support in my Ubuntu machine. When an incorrect password is entered, a picture is taken later revealing who has been trying to gain access.
I have ...
1
vote
1answer
41 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, ...
4
votes
3answers
4k views
Remove or disable java due to the security issue
According to the news there's java security hole that is still not fixed. How can Ubuntu users protect their PC? I've got gnome-shell installed and as far as I understand it depends on java. Which ...
1
vote
2answers
187 views
Using linux/ubuntu to combat windows flash drive malware?
I had asked this question on ITSecurity @ Stack Exchange also. There may not be may linux distro users in ITSec, but obviously there are many here. So, I think that it might be appropriate to put that ...
20
votes
8answers
7k views
How can I encrypt data in Ubuntu One?
I'd love to use Ubuntu One features, like file storage and so on, but I don't want anyone else to access my data, USA Patriot act etc.. Things shall be encrypted so that the only place where info is ...
