Unhide is a forensic tool to find hidden processes and TCP/UDP ports by rootkits / LKMs or by another hidden technique. Unhide (ps) Detecting hidden processes. Implements six techniques Compare /proc vs /bin/ps output Compare info gathered from /bin/ps with info gathered by walking thru the procfs. Compare info gathered from /bin/ps with info gathered [...]
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 [...]
If you are running RedHat / CentOS 32 bit and have 4 GB or more RAM use the Linux kernel compiled for PAE capable machines. Your machine may not show up total 4GB ram with 32 bit architecture servers. All you have to do is install PAE kernel package. What is PAE ? Physical Address [...]
If you store private information on your Linux system and you want to prevent other people who use the system from viewing your private files, you need to password protect these files. Solution is to use following commands to encrypt or decrypt files with a password. gpg command GnuPG is the GNU project’s complete and [...]
This tutorial will explain how to install aditional modules for the kernel to use with iptables rules sets (netfilter modules). Xtables-addons is the successor to patch-o-matic(-ng). Likewise, it contains extensions that were not, or are not yet, accepted in the main kernel/iptables packages. Xtables-addons is different from patch-o-matic in that you do not have to [...]
I just need Memcached to start automatically when reboot so that I don’t have to wait to log into the server to do that every time I restart my server. The problem here is that I didn’t install Memcached using YUM. I compiled Memcached it myself. So, there is no startup script for me to [...]
Q: How do I find out the maximum RAM supported by the Dell / HP / IBM / Oracle / Sun / Intel / AMD server under Linux / Unix / HP-UX / FreeBSD / Solaris operating systems without rebooting the server or opening server case (cabinet)? A: Most modern server supports 16GB, 32GB, 64GB [...]
This tutorial provides step-by-step instructions on how to install RSYSLOG server on Debian 6 (Squeeze) and how to send syslog data to it from multiple client servers. We will also show how to install an Apache webserver and a MySQL database server to gather the syslog data and how to install LogAnalyzer to easily browse [...]
Icinga is an enterprise grade open source monitoring system which keeps watch over networks and any conceivable network resource, notifies the user of errors and recoveries and generates performance data for reporting. It is a fork of Nagios. This tutorial explains how to serve the Icinga Web interface from an nginx server on Debian Wheezy/Ubuntu [...]
This guide provides an overview on how to monitor and manage IPMI Management Console with Verax NMS. The Intelligent Platform Management Interface (IPMI) is a standardized computer system interface used by system administrators to manage a computer system and monitor its operation. The guide is divided into following parts: Adding IPMI Management Console to the [...]
