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Security

Five Security Tips for New Linux Admins

Filed under
Linux
Security

It’s generally fairly easy for new Linux administrators to get up and running with the basics of installing, configuring and managing Linux systems at a basic level. Truthfully, though, it takes years to get the in-depth knowledge required in many server environments today. One thing I really recommend learning early on — i.e. from the beginning — is security.

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Chrome, Debian Linux, and the secret binary blob download riddle

Filed under
Google
Security
Debian

"Anyway, I haven't said that banning such software from Debian would be the only solution... but at least these incidents come far too frequent recently, so apparently something needs to be done at Debian level to pro-actively prevent future cases/compromises like this."

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Tor Browser 4.5.2 Is Out with the Latest Tor Anonymity Network Software

Filed under
OSS
Security

On June 16, the Tor Project, through Mike Perry, announced the immediate availability for download of the second maintenance release of the Tor Browser 4.5 web browser for users who want to navigate the Internet anonymously.

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How to protect your GNU/Linux computer from remote attacks with Fail2ban

Filed under
Security
HowTos

Governments around the world are hacking into any computer that they can find. They are not just targeting large companies, but any computer that has information that they can sell. Is there anything on your computer that some hacker could sell for money? When was the last time you looked at your /var/log/auth.log file?

IPFire 2.17 Core Update 91 Linux Firewall Patches Multiple Security Vulnerabilities

Filed under
Linux
Security

The IPFire development team published details about a new update for their open-source and independent firewall distribution based on the Linux kernel, IPFire 2.17 Core Update 91, urging users to update as soon as possible.

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Ubuntu plugs Linux kernel and OpenSSL holes that left users open to attack

Filed under
Security
Ubuntu

Canonical has released several patches addressing flaws in the Linux kernel and OpenSSL that left Ubuntu users open to escalation of privilege and denial-of-service (DoS) attacks.

The most serious of the fixes covers a variety of flaws that could be used to gain elevated or administrative privileges on the victim machine.

"A memory corruption issue was discovered in AES decryption when using the Intel AES-NI accelerated code path. A remote attacker could exploit this flaw to cause a DoS (system crash) or potentially escalate privileges on Intel-based machines," read the Ubuntu security advisory.

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Also: A Couple of CUPS Exploits Have Been Closed in Ubuntu

Ubuntu Releases Security Update

Activity of BillGates Botnet Targeting Linux Systems Surges

Filed under
GNU
Linux
Security

A Trojan designed for distributed denial-of-service (DDoS) functionality and aimed at Linux systems has increased its activity during the month of May, researchers warn.

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Create an encrypted disk image in GNU/Linux

Filed under
Security
HowTos

In my previous article about creating a "mountable" disk image in GNU/Linux, I explained how to create a file that effectively mimics the functionality of a disk: I explained how to create a file which will then be used, in turn, to contain directories and files. In this article I will explain how to make the next natural step: encrypt that file.

Ubuntu Security

Filed under
Security
Ubuntu
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More in Tux Machines

Lubuntu 15.10 Alpha 2 Is Ready for Download, Still Using the LXDE Desktop Environment

The development team behind Lubuntu, an open-source and freely distributed flavor of the popular Ubuntu Linux operating system, announced a few minutes ago the release of the second Alpha build for the upcoming Lubuntu 15.10 (Wily Werewolf) distribution. Read more

Ubuntu Kylin 15.10 Alpha 2 Is Out for Testing with Linux Kernel 4.1, More

The development team behind the Ubuntu Kylin computer operating system have announced earlier today the immediate availability for download and testing of the second Alpha build of the upcoming Ubuntu Kylin 15.10 (Wily Werewolf) distro. Read more

Linux-powered smart sniper rifle can be hacked

Two years ago, TrackingPoint burst on to the scene with a Linux-powered smart sniper rifle that took the guesswork out of killshots. Now, however, a pair of hackers have figured out how to make it miss every single time. Read more

5 heroes of the Linux world

Linux and open source is driven by passionate people who write best-of-breed software and then release the code to the public so anyone can use it, without any strings attached. (Well, there is one string attached and that’s licence.) Who are these people? These heroes of the Linux world, whose work affects all of us every day. Allow me to introduce you. Read more