9. /dev/random/thoughts: Creating new LV and moving files from old location

   hadret:

   Recently I had some disk issues on my server and unfortunately it went to load average above 20 (which was killing for this machine). It forced me to power down the machine completely and to investigate it further. (It turned out that issue was with space on /home partition …

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10. The simple way of setting up NAT with iptables and Red Hat / CentOS and Scientific Linux

    I always feel intimidated with setting NAT. I knew, of course, how to filter packets with iptables, but I always felt that NAT to be just a tad bit confusing. Then I studied for the RHCE exam and it turns out that it is a lot easier than I expected …

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11. bash: Field Separator Variable

    sys-log:

    By default when using a for loop in bash the field separator is set to a space.

    Example:

    [bcane@bcane \~]\$ for x in list:like:this; do echo \$x; done
    list:like:this

    One of the cool things about bash is that you can change this by setting a …

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12. UNIX BASH scripting: Rename file to uppercase except extension - Bash

    UNIX BASH scripting: Rename file to uppercase except extension - Bash

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13. CentOS 5.7

    reallinux:

    CentOS 5.7 is out: http://wiki.centos.org/Manuals/ReleaseNotes/CentOS5.7

    CentOS is built from the original RHEL sources and aims to be binary compatible with the RedHat distribution.

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14. A Slightly Longer Guide to Setting up a Caching / Forwarding Name Server

    Setting up a caching server on RHEL6, by default, works out of the box for a RHEL-type distributions. From there, it is just the matter of adding additional changes to make it either a forwarding, master or slave name server.

    Of course, in our case, there were glitches.

    Reviewing through …

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15. Configuring ISCSI with RHEL, Scientific Linux or CentOS 6

    I have been playing around with my newQNAP NAS appliance, getting the storage configured and the volumes setup with my Scientific Linux 6 virtual machines using Daniel’s articles as a reference point. While the articles worked well easily for me at the beginning, setting client VMs with authentication …

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