Linux & Windows Tips, Tutorials, , Ideas

Linux Kernel /etc/sysctl.conf Security Hardening

How do I set advanced security options of the TCP/IP stack and virtual memory to improve security and performance of my system? How do I configure Linux kernel to prevent certain kinds of attacks using /etc/sysctl.conf? How do I set Linux kernel parameters? sysctl is an interface that allows you to make changes to aRead more about Linux Kernel /etc/sysctl.conf Security Hardening[…]

Share Button

How to install VPN Server (OpenVPN) on CentOS 6

To check TUN/TAP Enable or not type cat /dev/net/tun If it show “cat: /dev/net/tun: File descriptor is bad state” it is mean your VPS’s TUN/TAP is enable. If it is not you should ask your VPS Provider to active it (Some VPS Provider is not offer this service). Ok, Now we start the installation VPNRead more about How to install VPN Server (OpenVPN) on CentOS 6[…]

Share Button

How To Install FFmpeg, Mplayer, Mencoder, FFmpeg-PHP on CentOS 6.x

In this how to i will describe how to install ffmpeg, mplayer, mencoder, flvtool2, ffmpeg-php with all supported codecs to convert / manipulate videos easily on CentOS 6.x. If you want to run sites like youtube e.g www.indianpad.in, www.danceindiadance.in this howto will help you to install the base for your software. There are many otherRead more about How To Install FFmpeg, Mplayer, Mencoder, FFmpeg-PHP on CentOS 6.x[…]

Share Button

How to Set Limits on User Running Processes in Linux

One of the Linux’s beauties is that you can control almost everything about it. This gives a system administrator a great control over his system and better utilization of the system resources. While some might have never thought about doing this, it is important to know that in Linux you can limit how much resource aRead more about How to Set Limits on User Running Processes in Linux[…]

Share Button

Install IfTop (Bandwidth Monitoring) Tool in RHEL / CentOS / Fedora

In our earlier article, we reviewed the usage of TOP Command and it’s parameters. In this article we have came up with another excellent program called Interface TOP (IFTOP) is a real time network bandwidth monitoring tool through Command line. It will show a quick overview of network activities. In a TOP command you can see percentage usage of CPU, Memory and SWAP in real time. But IFTOPshows a real time updated list of network connections based on their network usage ordered on every 2,10 and 40 seconds average. In this post we are going to see the installation and how to use IFTOP with examples. Read more about Install IfTop (Bandwidth Monitoring) Tool in RHEL / CentOS / Fedora

Share Button

Best quick forword visitors from old server to new server

Hey guys ! I will explain the best way forword all visitor to the new server quickly step 1 : set net.ipv4.ip_forward > 1 # nano /etc/sysctl.conf # replace net.ipv4.ip_forward=0 to net.ipv4.ip_forward=1 # save file . # sysctl -p step 2 : Then, we will add a rule telling to forward the traffic on portRead more about Best quick forword visitors from old server to new server[…]

Share Button