As more and more “smart home” devices got installed around the house the need to have 24/7 Internet connection was more and more a necessity. The solution I choose was to have a back-up mobile Internet for the home. To make this completly transparent to the “Internet of things” from the house this backup had… Read More »
A good way to backup the OS of the servers is to use rear Relax and Recover. Following are the steps to ensure that we have a proper rescue data set for both servers. STEP 1: Install rear from the Fedora repo on both nas1 and nas2 [root@nas1 ~]# dnf install rear [root@nas2 ~]# dnf… Read More »
The following are the steps to set up LTFS with a HP Ultrium 3000 and Fedora. STEP 1: Download from HP site and install HP Library & Tape Tools (hp_ltt418_linux_x86_64.tar). STEP 2: Download the HP Store Open Standalone binaries for RHEL x64 from the HP website. (HP_StoreOpen_Standalone_2.3.0_for_RHELx64_Z7550-01726.tar.gz) STEP 3: Install the rpm on Fedora Linux.… Read More »
As the home environment becomes more complicated the need for an integrated whole solution for the entire environment was necessary. I already have an automatic backup setup using Barracuda Yosemite Server Backup, but this is only for one server (nas1) where OwnCloud is residing. The daily backup job in fact does a backup only for… Read More »
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 »
The Linux command line environment is very powerful and full of very useful command line instructions that are ignored by a lot o people. Following are some of the discovered commands I find very usefull: The “ls like” group: List all the usb devices: [root@localhost ~]# lsusb Bus 004 Device 002: ID 8087:0024 Intel Corp.… Read More »
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 »
When you want to have a secure set-up for your data storage having only two disks available a LVM over a RAID 1 set-up looks like the best solution. When an upgrade is necessary then having two separate RAID 1 based LVMs is no longer so appealing. To keep the same reliability of a disk… Read More »
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 »
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 »