The place where technology knowledge and experience are sharing.
1. Overview MariaDB replaced MySQL with many places such as additional storage engines, new features, and performance improvements. It is a new popular database management system used for web and server applications. In this instruction will introduce how to install, configure, and manage MariaDB database program on CentOS 7…
Read more
1. Overview On your Linux server or virtual dedicated server may have installed some applications that need an email server solutions to send email notification to user mailbox in your local Microsoft Exchange server or hosted Microsoft Exchange server. For this case, we can use Postfix as email server solution…
Read more
1. Overview Virtual Router Redundancy Protocol (VRRP) is the open standard version of Cisco proprietary protocol called HSRP, so it can support products from different vendors. VRRP works exactly the same as HSRP in providing a gateway using one virtual IP address. One of the routers will work as…
Read more
1. Overview Hot Standby Router Protocol (HSRP) is a Cisco proprietary protocol developed for a gateway redundancy of a subnet. HSRP use multiple routers together to serve as one gateway using one virtual IP address. One of the routers will work as the active gateway, and in case the…
Read more
1. Overview It is strongly recommended to implement Cisco ASA firewall clustering such as active/active or active/standby in a production environment to achieve the high available of the critical services. In this instruction will explains you how to configure high availability clustering using active/standby mode or failover mode between…
Read more
1. Overview The DHCP server can only dynamically distributing network configuration parameters to the client computers within the same network with DHCP server. For client computers that reside a separated networks to get the network configuration parameters from DHCP server, we need a DHCP relay server. In this article…
Read more
1. Overview The DHCP server can only dynamically distributing network configuration parameters to the client computers within the same network with DHCP server. For client computers that reside a separated networks to get the network configuration parameters from DHCP server, we need a DHCP relay server. In this article you…
Read more
1. Overview It is very useful to use DHCP server to dynamically distributing network configuration parameters, such as IP addresses, domain name, and DNS IP address for the client computers in the network, so we do not need not to do these tasks manually to each computer within the…
Read more
1. Overview Tacacs Plus is a protocols for security with AAA services which are , authentication, authorization, accounting. It is used as a centralized authentication to network devices. It also can provide a specific authorization with centralized access to particular user to work with network devices. With accounting, it gives…
Read more
1. Overview Tacacs Plus is a protocols for security with AAA services which are , authentication, authorization, accounting. It is used as a centralized authentication to network devices. It also can provide a specific authorization with centralized access to particular user to work with network devices. With accounting, it gives a…
Read more