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If you’re a Netflix subscriber, you’ve probably tried to stream video on Linux systems like Fedora. And as with many for-pay services, your experience varied. As of the latest Google […]

Background One of my Xen virtual servers needed to have its 400G disk split and resized over the weekend, and I wanted to keep downtime to a minimal. The disk had 240G used, 235G of which was a /backup directory, and the remaining 5G dedicated to a regular Debian Linux installation. I wanted to split the disk into a two disks - a 20GB disk containing the Linux system, and a 300G disk to mount as /backup. Then I could apply my DRBD setup to replicate that 300G backup partition to a separate 2nd backup machine.

In two weeks the All Things Open conference will be taking place in Raleigh, North Carolina. Penguins from all over will be gathering together to share ideas. And as one of the presenters this year, I started wondering, in what ways can you open source a conference presentation?

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Mark Voelker is no stranger to the OpenStack community. As a technical leader at Cisco and a co-founder of the Triangle OpenStack Meetup, Mark gets to see OpenStack from a lot of different lenses.

In the past, I've covered various astronomy packages that help you explore the universe of deep space. But, space starts a lot closer to home. It actually begins a few hundred miles above your head. There are lots of things in orbit right above you.

As I looked around the 2014 Grace Hopper Celebration of Women in Computing career fair (PDF) floor, I stopped by the Pinterest booth and learned that open source software plays a big role at the company. And even better, Pinterest now plays a big role in the world of open source software, too.

Axiomtek’s eBOX560-880-FL is a compact embedded PC with a choice of Intel Haswell dual-core SoCs, plus temperature, vibration, and IP40 ingress protection.

Broadly speaking, there are two types of open source software. The free software, which has a reciprocity requirement in it. Open source software which doesn't. read more

Fedora 21 will come with GNOME 3.14, which already runs reasonably well on Wayland. Want to find out? It’s super easy to try it out! Let’s take a look at […]

A traditional VPN (e.g., OpenVPN, PPTP) is composed of a VPN server and one or more VPN clients connected to the server. When any two VPN clients talk to each other, the VPN server needs to relay VPN traffic between them. The problem of such a hub-and-spoke type of VPN topology is that the VPN.

Jon Masters summarises the latest happenings in the Linux kernel community, including ongoing work towards the 3.17 kernel

Fedora 21 Workstation (which is currently in alpha), contains a neat new application for quickly viewing and searching the logs of your system. It places all the system logs in a simple to use interface without having to dig through the filesystem or use a command line tool.

After making great gains in the education market, Google is pointing Chromebooks straight at business customers.

Adlink announced a rugged, ETX form-factor COM with an Atom E3800, Linux support, and legacy interfaces like parallel ports, PATA (IDE), ISA, and PCI.

Fedora is a big project, and it’s hard to keep up with everything that goes on. This series highlights interesting happenings in five different areas every week. It isn’t comprehensive news coverage — just quick summaries with links to each.

Postfix Virtual Hosting With LDAP Backend And With Dovecot As IMAP/POP3 Server On Ubuntu Trusty Tahr 14.04 Here we we use an LDAP backend for both the MTA (Postfix) and POP3/IMAP server (Dovecot), and a web based management interface.

Kernel configuration has become more and more complex through the years with the proliferation of new drivers, new hardware and specific behaviors that might be needed for particular uses. It has reached about 3,000 config options, and that number will only increase.

Leslie Hawthorn is a well known figure in open source and chances are you've heard or attended one of her talks. To name a few: The Keeper of Secrets at FOSDEM 2013 DevOps: For Happier, More Productive People at Infrastructure Next 2014 Why Checking Your Privilege is Good For You at SCALE 12x and OSCON 2014 Prior to her talk at the All Things Open conference, coming up in October this year, I asked her a few questions about her passion for open source and community management. In this interview, Leslie discusses big data, Elasticsearch, and more. read more

One of the first safety measures that any sysadmin may want to implement in their production servers is a mechanism to detect file tampering - not only the content of files, but also their attributes. AIDE (short for "Advanced Intrusion Detection Environment") is an open source host-based intrusion detection system. AIDE checks the integrity of […]Continue reading... The post How to configure a host intrusion detection system on CentOS appeared first on Xmodulo. Related FAQs: How to set up MailScanner, Clam Antivirus and SpamAssassin in CentOS mail server How to set up a transparent HTTPS filtering proxy on CentOS How to secure a LAMP server on CentOS or RHEL How to harden Apache web server with mod_security and mod_evasive on CentOS How to set up Clam Antivirus, SpamAssassin and MailScanner on Ubuntu mail server

Installing and using Tundeep for network tunnelling and testing on Debian Tundeep is a network tunnelling daemon written in C that runs in userspace using libpcap. Tundeep is used as a security testing tool allowing a tester to tunnel through the target network at layer 2. A TAP interface will be brought up on the tester's machine for each level of the network allowing direct interaction with hosts on the network segment through a compromised client device.