Tagged: linux

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How to bind a range of IP’s in Redhat based linux

How to bind a range of IP’s in Linux This method is used by Redhat Linux based servers (Centos/RedhatEnterprise/FedoraCore). Create a file called /etc/sysconfig/network-scripts/ifcfg-eth0-range0 And in the file place these 3 lines but change...

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Linux Memory Management

Scenario: Customer is concerned that only 100MB of their 2GB of memory is as unused or free when running the free command. However, no processes appear to be consuming large amounts of memory, and...

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Rootkit help

RootKit — Spyware and Junkware detection and removal tool Go to Rootkit Hunter homepage, and download the latest release. http://www.rootkit.nl/projects/rootkit_hunter.html ## Get the latest source and untar # cd /usr/src/utils # wget http://downloads.rootkit.nl/rkhunter-<version>.tar.gz #...

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Formatting and Mounting a new drive in Linux

I have installed a new slave hard drive. How do I format it and mount it? Solution: 1. Login as root: and type the following command: [root@34 root]# fdisk /dev/hdc 2. This screen will...

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rndc: the key is invalid

Problem: ——— Issue: ——— While starting named, or when running /etc/rc.d/init.d/named status, you get the following error: rndc: connection to remote host closed This may indicate that the remote server is using an older...