About 28 results
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iperf: a simple but powerful tool for troubleshooting networks
Scott Reeves demonstrates the use of iperf, which provides basic information on throughput, packet loss, and jitter to help you troubleshoot UDP and TCP issues.
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Use kismon to view kismet log files
Scott Reeves introduces a GUI front-end available to users of Kismet, the wireless network detecting tool.
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Beacon frames, 802.11 devices, and Kismet
Scott Reeves follows up on his introduction to the Kismet network monitor to examine how it uses beacon frames to detect devices on a 802.11 network.
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Try kismet for detecting hidden 802.11 wireless networks
Kismet is an open source tool similar to netstumbler, and it's particularly good for discovering hidden wireless networks that might be adversely affecting your network.
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Use vgcfgbackup and vgcfgrestore to back up metadata on LVM
Scott Reeves shows how to use two handy commands to back up and restore volume group metadata on LVM.
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File system migrations using tar and dump
Scott Reeves answers a reader's question about migrating an existing ext4 file system to LVM. Here are some tips about how to copy the old files to a new file system using dump and...
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Working with physical volumes, logical volumes, and volume groups in LVM
Scott Reeves demonstrates how to work with LVM, creating physical volumes, volume groups, and logical volumes with examples of the command strings.
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How to use Logical Volume Manager (LVM) to grow etx4 file systems online
Scott Reeves explains how LVM and fsadm can be used to grow ext4 file systems without incurring any downtime for critical applications -- even while the file system is being expand...