• Install EMC NetWorker agent in VMware vCenter Server Appliance 5.5

    calendar Oct 21, 2014 · 4 min read · vcsa  ·
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    When running a virtualized vCenter server it is very important to have a working backup. If the vCenter server crashes the virtual landscape cannot be managed or monitored.

    Configuring backup is very easy when running VMware vCenter Server on a conventional Microsoft Windows servers because it is a fully-features …


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  • POODLE - and how to get rid of it

    calendar Oct 16, 2014 · 2 min read  ·
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    A couple of days ago another security vulnerability that applies to Linux systems called PODDLE was announced. Less serious than Heartbleed especially web servers that are still allowing SSL generations 2 and 3 are affected. Because of a bad security design it is possible to decrypt transfered data. Often those …
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  • Red Hat Enterprise Linux 6.6 released

    calendar Oct 15, 2014 · 2 min read  ·
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    Yesterday Red Hat released another update of its Red Hat Enterprise Linux major release 6: 6.6. Like for the minor updates before many optimizations and some "technical previews" were implemented.

    The changes have been documented well in the release and technical notes:

    • Release notes: …

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  • Short tip: uninstall pkg applications under OS X

    calendar Oct 12, 2014 · 1 min read · macos kurztipp  ·
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    The Apple App Store is not the only way to installation additional applications under OS X - another way is to install .pkg files (which have been created by the Apple Installer Framework).

    Unfortunately not all applications installed using these files are present in the "Programs" category inside Finder. …


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  • Virtualized cluster storage using VMware ESXi

    calendar Oct 12, 2014 · 3 min read · esxi  ·
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    Many software cluster solutions require shared storage between all cluster nodes. A very prominent example for this might be Oracle RAC (Real Application Clusters). In enterprise environments shared cluster storage is often implemented using SAN storage that is connected to multiple systems.

    For (private) test …


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  • Short tip: configure hard drive standby with systemd

    calendar Oct 11, 2014 · 1 min read · kurztipp  ·
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    Hard drives can be forced into hibernate using hdparm. While it was quite easy to implement automatic setting this hibernation values by inserting the appropriate command (hdparm -B intervall device) into /etc/rc.local (which was executed after the boot) on sysvinit-based Linux distributions this changed on newer …
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  • Short tip: Gather HP SmartArray cache battery information under HP-UX

    calendar Oct 9, 2014 · 2 min read · hp hp-ux kurztipp  ·
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    When a RAID controllers cache battery fails it is a benefit if you can gather the spare part number without any downtime. If your server is equipped with a HP SmartArray controller you can easily get t hose information using the sautil utility. This requires the HP-UX products RAIDSA and RAIDSA-PROVIDER to be …
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  • DELL OpenManage Integration Virtual Appliance update problems

    calendar Oct 7, 2014 · 3 min read · dell  ·
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    DELL offers an Linux appliance based on CentOS 5 for customers using VMware products. This appliance is called  "DELL OpenManage Integration for VMware vCenter Appliance" and integrates seamless in VMware vCenter Server (or the appliance). It can be used for monitoring physical servers and also allows …
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  • Pebble Steel

    calendar Aug 30, 2014 · 3 min read  ·
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    <img
  loading="lazy"
  decoding="async"
  alt="Endlich lieferbar!"
  
    class="image_figure image_internal image_unprocessed"
    src="https://cstan.io/images/2014/08/pebble_de.jpg"
  
  
/>

</picture>

    I was …


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  • Short tip: Mount optical media under Solaris

    calendar Aug 30, 2014 · 1 min read · kurztipp solaris  ·
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    I'm not administrating Solaris systems very often - it is even more rare that I need to mount optical media on Solaris. This is just a short reminder so that I don't need to use a search engine everytime.

    First of all the CD / DVD drive is determined by the iostat command. Afterwards the drive is mounted using the …


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