About 28 results
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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...
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Using jperf to check network performance
Scott Reeves explains how to use the GUI version of iperf for network monitoring and testing.
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Four of my most-used CLI commands
Scott Reeves lists four of the commands in Linux that he uses most often along with some examples of how he uses them. What are the commands you can't live without?
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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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Two simple filters for wireshark to analyze TCP and UDP traffic
Scott Reeves shares the wireshark filters that helps you isolate TCP and UDP traffic.
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Using iwconfig to configure settings on wireless cards
Scott Reeves shows you a command that allows you to set and change parameters of a wireless card, including changing the bitrate.
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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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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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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.