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Search and replace on steroids: Do more with these sed commands
These tips can help administrators help themselves through advanced text editing with the UNIX Stream Editor (sed) utility. Tip
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Open source systems management: Hits and misses
Which open source systems management tools work for you? Some tools bring welcome automation to repeated tasks. But beware the shortcomings. Feature
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Creating an inventory with nmap network scanning
Nmap network scanning generates a full system inventory, but it's only usable with the right parameters and output format. Learn how to create an nmap inventory in this tip. Tip
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Using your Linux server to create an ad-hoc wireless network
In this tutorial, an expert explains how to set up an ad-hoc wireless network access point with your Linux server. Tip
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Securely connecting Linux servers to WiFi using the command line
Connecting a Linux server to WiFi requires the use of the command line. Learn the commands and procedures for wireless networking in your Linux data center. Tip
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NetWare support ends, but NetWare shops persist
Novell support for NetWare ended on March 7, 2010, but the operating persists in many IT shops around the country. What are these NetWare shops going to do in the future? News
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Designing a Linux virtual network for KVM virtualization
Determine how to configure the virtual and physical network cards for optimal performance on a Linux network with KVM hypervisor. The best use of individual network cards and virtual network cards depends on the I/O of the virtual machines on the net... Tip
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Linux networking: Using ip tool instead of ifconfig
If your server was configured manually, make sure the Linux network is set up with the correct IP configurations and the ip tool is being used to monitor your systems. Tip
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Troubleshooting Linux networking problems
Analyze and repair network problems related to your Linux system in three steps: determine if the network card is there, then check the hardware configuration and drivers. Some hardware also needs to be checked for module compatibility and tainted ke... Tip
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Using OpenSSH for secure network tunnels on Linux
SSH is secure enough to be used across nonsecure private and public Internets. Learn the basics of SSH execution and how to implement and optimize SSH tunnels with Linux. SSH tunneling features allow remote traffic to be sent through the tunnel, expa... Tip