Linux

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It doesn’t matter what you’re doing: SysAdmin, Developer, DevOps, or Ops… Linux and its tools are essential to your work.
Here are a few commands that are frequently used in most tasks.

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BIG Data is the new bacon, but to manage the new BIG data driven businesses we need a lot of storage and better than a lot of storage is a lot of super fast storage 😉 To achieve this dream the best solution is a RAID0 (stripping) array with super fast SSD’s. As the storage […]

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Well first of all you need some nodes, nodes that will be used as a platform for your docker services but we won’t cover the node installation only the configuration and the rancher part. I used 5 Coreos virtual machines as my nodes, with a NFS mapped partition for persistent data.

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LXC 0.7 is available as an upgrade in Gentoo Linux. After you get it you may have a surprise… no console output after lxc-start. It seems it is not a bug but a feature 🙂 (as always with software). To get back the output just add -s lxc.console=$(tty) to the command line, like: # lxc-start […]

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VMWare (Server, Player, ESX), VirtualBox, KVM/QEMU  are just a few of the virtualization technologies you can use if you need to run a generic virtual machine. Each has strong and weak points, each adds some overhead when running the virtual machine, each can prove useful in a given scenario. I’ve used more or less extensively […]

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In today’s world when the IPv4 addresses are a luxury and IPv6 is not wide deployed (yet) more and more servers are running behind NAT-ed addresses. To do remote management on these servers you connect to them using SSH through some port forwarding done on the border gateway. If you need to monitor these servers […]

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A problem that many web developers face when they switch from Microsoft Windows to an open source operating system (Ubuntu, Fedora, Archlinux, OpenSUSE, Mandriva, Debian, BSD etc.) is the imposibility of running tests on Internet Explorer, since IE is officially suported only on Windows.

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After the bomb announcement 6 months ago, Google has open sourced its first operating system under the name Chromium OS, which will be the core for the release of Chrome OS, a year later. As of today, the code for next generation operating system will be fully open, from the code base till the user […]

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Canonical is holding their word when it comes on the strict release schedule of Ubuntu releases. Ubuntu 9.10, with the codename Karmic Koala, has been released yesterday 29 October, a week after the release of Microsoft’s Windows 7.

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If you are using Domino and Lotus Notes is good to know that 8.5.1 release is available for download from IBM.

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