The package manager, yum, on Fedora uses a mirror management infrastructure to help locate the geographically closest mirrors. This “geographically closest” mirror is supposed to give you the fastest connection – which unfortunately is usually not the case. For example, the connection between Mainland China and Taiwan is extremely slow despite it’s geographical neighborhood. Therefore, [...]

What is checksum offloading From http://www.wireshark.org/docs/wsug_html_chunked/ChAdvChecksums.html The checksum calculation might be done by the network driver, protocol driver or even in hardware. For example: The Ethernet transmitting hardware calculates the Ethernet CRC32 checksum and the receiving hardware validates this checksum. If the received checksum is wrong Wireshark won’t even see the packet, as the Ethernet [...]

Almost no pre-existing instructions on this issue works on Fedora Core 8. Now here is how you can do this with FC8 to disable IPv6: Append the following line to /etc/modprobe.conf: install ipv6 /bin/true Append the following line to /etc/sysconfig/network: NETWORKING_IPV6=no Ensure your network adapter is configured not to use IPv6. This is an easy [...]

Introduction Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and can sniff 802.11b, 802.11a, 802.11n, and 802.11g traffic (devices and drivers permitting). Kismet identifies networks by passively collecting packets and detecting standard named networks, detecting (and given [...]

… the following instructions made the Big Desktop mode on two monitor (and with different resolutions) work, and even comes with 3D acceleration