From the category archives:
The virsh command is an alternative command to manage a Red Hat Enterprise Linux 5 KVM environment using a Command Line Interface(CLI). The virsh command is provided as part of the libvirt API which provides a common API to applications requiring standardized access to interact with KVM using a stable interface.
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#!/bin/bash # Under RedHat / Centos if [ $# -gt 0 ] then MIN=$1 else MIN=8 fi DEL=`expr $RANDOM % 5` LEN=`expr $MIN + $DEL` cat /dev/urandom | tr -dc “a-zA-Z0-9@#*=[]” | dd bs=$LEN count=1 2>/dev/null echo;
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#!/bin/sh # A simple shell to build a Firewall anti SYN Flood # Under CentOS, Fedora and RHEL / Redhat Enterprise Linux # servers. # —————————————————————————- # Written by LongVNIT # (c) 2009 lifeLinux under GNU GPL v2.0+ IPT=”iptables” MODPROBE=”modprobe” IF=”eth0″ IP=”192.168.1.112″ PORT=”22 80 443″ CHECK_TIME=60 BAN_TIME=120 HITCOUNT=10 MOD=”ip_tables ip_conntrack iptable_filter ipt_state” # Load Module […]
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configure: error: xml2-config not found. Please check your libxml2 installation. yum install libxml2-devel.x86_64 configure: error: Cannot find OpenSSL’s yum install openssl-devel.x86_64
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Load balancing helps provide redundancy to your website. However, one often asked question is how to keep your content synchronized on each server. If you put a new web page on one server, how does it get copied over to the second server? In this article, i’ll explain how to use rsync command to synchronize […]
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To check avilable memory in Linux type free -m command. free displays the total amount of free and used physical and swap memory in the system, as well as the buffers used by the kernel.
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The yum command is used to install and update software under Centos, RedHat and Fedora. In this topic, i will use yum command to update Centos and configure yum to update automatically with Crontab.
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