Category Archives: DataCenter

Manipulate PDFs with gostscript

By | June 28, 2015
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Basic Usage Convert PostScript to PDF: gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=fileout.pdf filein.ps Merge/combine PDF and/or PostScript files: gs -q -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=fileout.pdf \ filein.ps filein2.pdf Extract a page from a PostScript or a PDF document: gs -q -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -dFirstPage=3 -dLastPage=3 \ -sOutputFile=fileout.pdf filein.ps Additional Options PDF optimization level selection… Read More: Manipulate PDFs with gostscript »

USB Wireless interface on Fedora Linux

By | February 9, 2017
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I am planning to deploy a test openStack infrastructure, “Minimal architecture example with legacy networking (nova-network)”, on the 2 x Hp MicroServer Gen 8 setup from my home data centre. The nova-network architecture needs at least two nodes and on each node a minimal of two network interfaces must be available. The HP MicroServers have… Read More: USB Wireless interface on Fedora Linux »

“A” Rating Security – Strong SSL Security WordPress Blog

By | May 26, 2017
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This should have been one of the first posts of this blog, because deals with the actual setup of the blog. To install a secure Blog is not an easy task. You can take the easy route and host your blog on a blogging site and hope that they will do a good pro bono… Read More: “A” Rating Security – Strong SSL Security WordPress Blog »

Private cloud is a must not a failure

By | February 9, 2017
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I keep reading this scare-ware articles from a lot of technical sites about the private cloud model being a failure.  Like this one http://www.techrepublic.com/article/private-clouds-very-public-failure/?tag=nl.e101&s_cid=e101&ttag=e101&ftag=TRE684d531. What a load of BS. Private cloud fails only when the organization has no idea how to manage it. This is valid for any IT related operation. Trusting the data of… Read More: Private cloud is a must not a failure »

Backup setup for two HP Microserver Gen8 NAS servers – part2

By | February 10, 2015
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This is a followup of the first post Backup setup for two HP Microserver Gen8 NAS servers . The new HBA arrived , an HP LSI 9217-4i4e 8-port SAS 6Gb/s RAID Card which is in fact the HP OEM version of the LSI 9207. The positive: it came with three different SAS to 4xSATA cables. The negative: it came only… Read More: Backup setup for two HP Microserver Gen8 NAS servers –… »