Centos
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How to install Java 8 on RHEL/CentOS 7.x and Fedora Linux
In this tutorial I’ll try to explain to you how to install JAVA 8 (JDK 8u45) on RHEL/CentOS 6.x/7.x and Fedora 19/20/21/2x Linux. Preparing to…
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How to install Nagios 4.0.8 on CentOS 7
Nagios is the most popular open source monitoring system. Nagios will monitor servers, switches, applications and services. It alerts the System Administrator when something went…
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Install and use Fping app on RHEL/CentOS 6.x/7.x
fping is a program like ping which uses the Internet Control Message Protocol ( ICMP ) echo request to determine if a target host is…
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Patch Linux Ghost (CVE-2015-0235)
If you run a Linux server, and you’re on top of things, you’ve heard of GHOST.. which is a heap buffer overflow vulnerability announced today.…
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Install iptraf – tcp/udp network monitoring utility on Ubuntu/Arch/CentOS Linux
iptraf is console-based network statistics utility for Linux. iptraf recognize various protocols, including IP, TCP, UDP, ICMP, IGMP, IGP, IGRP, OSPF, ARP and RARP. In…
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Install and enable Iptables firewall on CentOS 7 Linux
In this tutorial we will show you how to install and enable an iptables firewall on CentOS 7 Linux. First, need to disable and remove…
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How to use route command on RHEL/CentOS Linux
Route manipulates the kernel’s IP routing tables. Its primary use is to set up static routes to specific hosts or networks via an interface after…
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Install Bash Autocomplete feature on CentOS/Fedora Linux
In this article we will show you how to install Bash Autocomplete feature on CentOS/RHEL or Fedora Linux. You need to use YUM command to…
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SSHGuard – Block Brute Force Attack in RHEL/CentOS 6.x
SSHGuard is an intrusion prevention system written in C language. SSHGuard parses server logs, determines malicious activity, and then bans malicious users via firewall rules.…
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ps_mem – Show how much RAM is used per program
ps_mem is a tool that can be used to show how much memory is used per program. It does this by calculating the sum of…
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