Category Archives: Networking

Netgear: Using WNDR3700 as Wireless Access Point

Posted on November 16, 2011 by Masao 

Basic Configuration WNDR3700 needs to be configured using its installation CD After it is set to factory default, its default IP is 192.168.1.1 Access Point Setup Plug your Internet connection into the WAN port (yellow) on the WNDR3700 Power cycle … Continue reading →

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Wireshark: Common Filters

Posted on September 21, 2011 by Masao 

DISPLAY FILTER EXPLANATION EXAMPLE eth.addr source or destination mac-address eth.addr == 00:1a:6b:ce:fc:bb eth.src source mac-address eth.src == 00:1a:6b:ce:fc:bb eth.dst destination mac-address eth.dst == 00:1a:6b:ce:fc:bb arp.dst.hw_mac target mac-address arp.dst.hw_mac == 00:1a:6b:ce:fc:bb arp.dst.proto_ipv4 target IPv4 address arp.dst.proto_ipv4 == 10.10.10.10 arp.src.hw_mac sender mac-address … Continue reading →

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nTop: How To Fix RD: Disabled – unable to create base directory

Posted on September 1, 2011 by Masao 

1. faster one sudo chown -R nobody:nogroup /var/lib/ntop 2. slower but nicer sudo chmod 755 /var/lib/ntop sudo mkdir /var/lib/ntop/rrd sudo chown -R nobody:nogroup /var/lib/ntop/rrd and then you can run sudo ntop & and connect to it on http://localhost:3000 Source: Ubuntuforums.org

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Linux: How To Set a Static IP Address

Posted on October 10, 2010 by Masao 

On Ubuntu, say you want to give your machine the IP address: 192.168.1.100 Add this to your /etc/network/interfaces: auto eth0 iface eth0 inet static address 192.168.1.100 netmask 255.255.255.0 broadcast 192.168.1.255 gateway 192.168.1.1 This line makes the interface enabled at bootup: … Continue reading →

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