Category Archives: CentOS

Using iptables to route OpenVPN traffic
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Posted on October 3, 2016 by

To have your vpn traffic be able to reach the internet you just need to add the following iptable rules: iptables -A FORWARD -i tun0 -j ACCEPT iptables -A FORWARD -i tun0 -o eth0 -m state –state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD … Continue reading →

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Redetect Network Cards in CentOS 6
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Posted on December 11, 2013 by

CentOS 6 keeps all of the information about the networking cards in udev.  To have the system redetect the NIC cards all you need to do is delete the persistent-net.rules file and reboot.  During boot the file will be regenerated … Continue reading →

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Turn on IP Forwarding in Linux
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Posted on August 20, 2013 by

By default for security reasons IP forwarding is turned off.  If you are setting up a router or a vpn gateway you will need to turn it back on.  You can just run the following command to turn it on. … Continue reading →

Posted in Arch, CentOS, Fedora, Guides, Linux, Networking | 1 Comment

CentOS / RHEL: View Vnstat Graphs Using PHP Web Interface Frontend
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Posted on November 20, 2012 by

CentOS / RHEL: View Vnstat Graphs Using PHP Web Interface Frontend.

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CentOS / RHEL: Install Network Traffic Monitor To Keep a Log Of Daily Traffic
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Posted on November 20, 2012 by

CentOS / RHEL: Install Network Traffic Monitor To Keep a Log Of Daily Traffic.

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