Questions about: security

One possible solution is virtualization software such as Virtual box which you can find in the software centre. Install Virtual box Create a virtual machine with networking enabled Install Ubuntu or perhaps a lighter desktop such as Lubuntu Fully upd
The results are more hideous even than apg or pwgen (even with the -s option set), but this is more fun: head -c 8192 /dev/urandom | strings --bytes 8 | sed 's/\s//' I suspect your use case if different, but this kind of thing is useful for shared se
Every package's install script has root access to your system, so the mere act of adding a PPA or installing a package from one is an implicit statement of trust on your part of the PPA owner. So, what happens if your trust is misplaced and a PPA own
Anti-virus software is a program or set of programs that are designed to prevent, search for, detect, and remove software viruses, and other malicious software like worms, trojans, adware, and more. These tools are critical for users to have installe
The real issue here is that the attacker only needs physical access to your hard drive in order to read or manipulate the files which contain your password hashes. There is already a thread on SuperUser which has some recommendations, which I will li
Hola! I recently upgraded from Mint 7 to Mint 9 and when I went through all the programs that shipped with this release I found gufw, the firewall application. Maybe it was there in Helena as well, but this is the first time I've noticed it. However,
More secure isn't an exact measure. The level of security depends on the threats you are trying to counter. If you surround yourself with an army of armed guards, you are pretty secure against some random stranger getting to you, but you open yoursel
It sounds like the question is about a host-based firewall on an Ubuntu PC. IF the machine never leaves the NAT-based network (ie, it is not a laptop that you take to coffee shops and use on free wifi networks), AND there are no ports open on your ro
When developing a page on a localhost, I sometimes get a "Permission denied" error which I can solve by running chmod -R 777 /var/www. However, people are telling me that this is a bad idea for security reasons. Why shouldn't /var/www have a chmod of
I want to disable ssh clients from accessing using the password and only allow ssh login using SSH keys. How do I disable password authentication for SSH on Linux operating systems? First, you need to setup a normal user account. Next, configure SSH