In this article, we will look at some best practices to secure Ubuntu systems. Linux is considered to be a well...
Ubuntu Articles
Configure Ubuntu system to connect network with static IP
When you install Ubuntu server, its network setting defaults to dynamic IP addressing, that is, the network management...
Securing Ubuntu System against brute force attacks
So you have installed minimal setup of Ubuntu, you have setup SSH with public key authentication and disabled password...
Securing a network with uncomplicated firewall in Ubuntu System
It is said that the best way to improve server security is to reduce the attack surface. Network communication in any...
Install and configure OpenVPN for securing remote access in Ubuntu
VPN enables two or more systems to communicate privately and securely over the public network or Internet. The network...
Tuning the TCP stack in Ubuntu Operating System
Transmission Control Protocol and Internet Protocol (TCP/IP) is a standard set of protocols used by every...
Install and configure HAProxy for load balancing on Ubuntu
When an application becomes popular, it sends an increased number of requests to the application server. A single...
Install and configure NTP on Ubuntu
Network Time Protocol (NTP) is a TCP/IP protocol for synchronizing time over a network. Although Ubuntu has a built-in...
Install and configure squid proxy server on Ubuntu
In this article, we will install and configure the squid proxy and caching server. The term proxy is generally...
Installing the DNS server on Ubuntu
DNS, also known as name server, is a service on the Internet that provides mapping between IP addresses and domain...
Installing the DHCP server on Ubuntu
DHCP is a service used to automatically assign network configuration to client systems. DHCP can be used as a handy...
How to secure user accounts in Ubuntu
In this script, we will look at ways to make user profiles more secure. Follow these steps to secure the user account:...