Archive for the ‘ubuntu’ Category
This howto will show you howto store your users in LDAP and authenticate some of the services against it. I will not show howto install particular packages, as it is distribution/system dependant. I will focus on “pure” configuration of all componenets needed to have LDAP authentication/storage of users.
keepalived provides a strong and robust health checking for LVS clusters. It nginx implements a framework of health checking on multiple layers for server failover, and VRRPv2 stack to handle director failover. How do I install and configure Keepalived for reverse proxy server such as nginx or lighttpd?
- (49) Comments
- Tags: centos, cluster, TCP/IP, ubuntu
Port Redirection through the iptables
19 Feb 2010How do I redirect 80 port to 8123 using iptables?
You can easily redirect incoming traffic by inserting rules into PREROUTING chain of the nat table. You can set destination port using the REDIRECT target.
Apache Modules and Their Functions
18 Feb 2010Apache is a powerful and widely-used World-Wide Web (Web) server. One of its strengths is that the modules that it is made of are customizable according to the user’s requirements. Ashish Kumar discusses the benefits and the process of customization, along with a brief introduction to some useful modules.
- (34) Comments
- Tags: apache, centos, Linux, ubuntu
How to Create Connection Limits with Iptables
In: Aashish| Linux| Monitoring| Security| TCP/IP| iptables| ubuntu
18 Feb 2010How do I restrict the number of connections used by a single IP address to my server for port 80 and 25 using iptables?
You need to use the connection limit modules which allows you to restrict the number of parallel TCP connections to a server per client IP address (or address block). This is useful to protect your server or vps box against flooding, spamming or content scraping.
Openvpn is an open source software, allows us to create a Virtual Private Network.
1. Istalling openvpn
install these packages openvpn openssh-server openssl:
laptop:~$ sudo apt-get install openvpn openssh-server openssl
Adding IP Addresses to Ubuntu -via Khaled
12 Feb 20101. Setup More than one IP address for one network interface:
The file which contains descriptions of the network interfaces on Ubuntu or debian is /etc/nework/interfaces
A network interface (material) by default is referenced by eth0 so if you have more than one it would be eth1 eth2,
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- Tags: Linux, TCP/IP, ubuntu, Virtual_Interface
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