CentOS 7 Virtual Router using FirewallD

I’ve found there’s a lot of how and what on this question on the web so I thought I would made a nice quick and simple tutorial

Ok say that eth0 is your external port and eth1 is your private

Configure your IP on each interface

Install firewalld
yum install firewalld

Assign your interfaces to the zones
firewall-cmd –permanent –zone=internal –add-interface=eth1
firewall-cmd –permanent –zone=public –add-interface=eth0

Activate port forwarding
sysctl -w net.ipv4.ip_forward=1
echo “net.ipv4.ip_forward = 1” >> /etc/sysctl.d/ip_forward.conf

Command traffic from your eth1’s range to go through eth0
firewall-cmd –permanent –direct –passthrough ipv4 -t nat -I POSTROUTING -o eth0 -j MASQUERADE -s

Allow DNS through
firewall-cmd –permanent –zone=internal –add-service=dns

Reload firewalld
firewall-cmd –reload

All done!

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More tweaking in FSX

Well time to make some more tweaks and get more out of FSX,

First up bufferpools! these are a pain in the back side! If they’re not set right, bye bye frame rate and crash goes fsx! After playing with these today I managed to make FSX run a lot smoother and graphics getting that more crisp 🙂 My changes I made we’re


Next was disabling default pre-loading, in short you don’t need it it’s a waste of time!


And finally this will adjust the CPU to GPU time shared amoungst object generation, one to really play around with, currently I have it as below but going to try hitting 0.75 and see the difference


This also goes under main, there’s so much documentation on these out there that can really make a difference so please Google! NEVER copy someone else’s FSX.cfg of their pc, you want it to be tailored to your own kit. Otherwise you won’t make the sim as efficient as it could be!

As can be see below the quality is certainly getting there!

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Doctor Who Experience in Cardiff

For my birthday my wife took pointed the direction and I drove. No clue where we we’re going and ended up in Cardiff where i did not actually realise the venue existed, well done to my wife for that! What can I say really if you have not been and want a great day out then by all means go! it’s worth the money, *SPOILER* a head up though there is an Angel  walk through area which if your children get a little scared, they may do so here. Other than that everything else is fine. Onto the next part where you will be able to see the costumes close up and some of the models, objects etc from the shows, Took quite a few photos which you can see below, though I do wish they adjusted the lighting in there as it really did not help with the pics, finally you’ll get to the shop which again, well done to the BBC for not trying to screw their clients over with ridiculous pricing like the Warner Brothers Studio Tour attempt to do for the Harry Potter franchise.
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