Evilware

  Pulls all ISO country codes except for the US and populates iptables with ALL ranges in those countries automatically. Setup a cron job (/etc/crontab) to run every week: Create /usr/local/bin/isoCodeBockIptables.sh with the following code: ################# #!/bin/bash ### BACKUP THE CURRENT RULESET FIRST /sbin/iptables-save > /backup/iptables-last.txt ### Block all traffic from everywhere except the US. [...]

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If you want to quickly fill a subnet with ip addresses for a host, instead of manually adding interface aliases to the rc.local you can achieve the same thing with core networking support by doing the following in RHEL / Centos

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On CentOS and RHEL, both ship with zeroconf (zero configuration networking) its used primarily for DHCP environments but for server installs where you assign a static ip address, its still one extra ultra minor performance hit that you do not need

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The heart and soul of Linux, the Kernel was updated to 3.5.  Vast improvments in networking support, updated support for various items such as  metadata checksums in Ext4, userspace probes for performance profiling with systemtap/perf, a simple sandboxing mechanism that can filter syscalls.

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The CentOS team is pleased to announce the immediate availability of CentOS-6.3 for i386 and x86_64 Architectures. CentOS-6.3 is based on the upstream release EL 6.3 and includes packages from all variants. All upstream repositories have been combined into one, to make it easier for end users to work with.

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In the video posted above, Valve’s managing director, Gabe Newell, is interviewed  at E3 2012, talking briefly about their upcoming plans with Steam and support for the Linux platform by years end. This could be the break through for Linux that brings the UNIX like operating system one step closer to dominating the Desktop.

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Here in the days of DHCP running on everything from cable modems to knock off cisco switches, what do you do when DHCP fails to assign an address to a large multi-user LAN?

Instead of having a stroke, you implement this script in Ubuntu to auto assign an ip address. As it was designed specifically for fact that the LTSP projects DHCP-3d can not assign multiple networks DHCP leases without physical adapters being present.

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The CentOS community annouced that their clone of Redhat Enterprise Linux, has been released. CentOS 5.6 clones many of the features found in Redhat Enterprise Linux 5.6 (RHEL), including the new file system make up (ext4). Full release notes are available here

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Project port of Android open source project to x86 platform, formerly known as “patch hosting for android x86 support“. The original plan is to host different patches for android x86 support from open source community.

A few months after the created the project, we found out that we could do much more than just hosting patches. The developers decided to fork the code base that will provide android x86 support on different x86 platforms, and set up a server to host it.

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This is how to mount a CD-ROM in Linux

at the command line type in

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