EdgeRouter : Dual WAN with Hair Pin

By | January 7, 2016

Starting with firmware version 1.4 EdgeRouter can be configured in a dual WAN setup using a very simple wizard. Then to configure some port forwarding rules to access the internal web server or VPNs there is a nice GUI setup window. Note that I experienced frequent switches between the main WAN and the backup WAN.… Read More »

EdgeRouter : Activate the DNS filtering of add servers

By | February 10, 2017

Everybody hates Add Servers so all my PC and mobile browsers use AddBlock+, but still I do not want the extra traffic that is done even by using ad blockers. The best solution is to simply block from the EdgeRouter Ubiquiti Networks ERLite-3 EdgeRouter Lite the ad sites. The best guide for this is: EdgeMAX… Read More »

EdgeRouter : activate CLI root account

By | April 1, 2016

To be able to do several CLI configurations administrator (root) account must be activated. By default EdgeRouter has this account disabled. It seems that even if is activated a firmware upgrade will revert it to the default configuration (disabled). To activate the root account follow the tutorial: EdgeMAX – What is the root account password?… Read More »

Fedora Linux: LVM Single Drive to LVM RAID 1 Mirror Migration

By | March 3, 2017

All started when I wanted to have a true HA configuration for the server nodes. That implies that not only the storage of each server is a RAID10 setup, but also the boot and root resources are in a RAID1 configuration. I started to use an old and known tutorial to convert from standard installation… Read More »

EdgeRouter: Configure dual WAN with EdgeRouter POE

By | January 7, 2016

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 »

Relax and Recover with bareos

By | June 30, 2015

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 »

LTFS on Fedora Linux

By | January 16, 2023

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 »

Full Linux system backup with #Bareos on #Fedora Linux

By | March 13, 2017

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 »

Manipulate PDFs with gostscript

By | June 28, 2015

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 »

Linux command line tips 1

By | July 13, 2015

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 »