by March 1, 2005 0 comments



Webmin is a completely Web-based tool that helps you remotely manage all essential services and resources of PCQLinux 2005. It is installed with the base install. 

Before using Webmin, check whether the system running PCQLinux is connected to the network properly and also its network configuration. Now to use Webmin open a Web browser for a remote machine and type in the URL
http://IP_Address_of_linux_machine:10000
. This will open a Web page asking for your username and password. Give the username as root and leave the password blank. After the authentication, you will get a Web page showing seven heads (Webmin, System, Server, Networking, Hardware, Cluster and Others).

Installing Webmin separately

If you have installed PCQLinux in workstation mode, then the Webmin will not be installed. To install it separately, put the CD3 in your CD/DVD drive and issue the following commands. 

# mount /media/cdrom
# cd /media/cdrom/PCQLinux/RPMS
# rpm -ivh webmin-1.170-1.noarch.rpm

In this article, we will discuss all the seven heads and tell you all that you can do with them. 

Webmin 

Webmin link is meant for configuring Webmin. Here you can configure language preferences and theme, create users for Webmin access, configure Webmin access controls and Webmin logs. 

System 

The System link leads you into the system configuration page. Here, you can configure and manage allmost all the system resources on PCQLinux 2005. For example, you can configure back up process of your system; configure ‘Disk and Network File systems’, change user passwords. It also allows you to allocate disk quota for PCQLinux users. On the same page you can create users for PCQLinux, manage LDAP users, configure PAM security, install new software and monitor your system process and resources. 

Services

From here, you can configure and manage all basic server-based applications running on the PCQLinux 2005. A list of services that can be configured using Webmin are (MySQL), Apache Web Server, FTP Server, Proxy Server (Squid), Jabber Server, Qmail Server, sendmail, Samba, SSH server, PostgreSQL Server, Postfix mail Server, DHCP Server, DNS Server and OpenSLDP Server. 

Webmin’s System page allows you to perform various administrative tasks

Cluster PCQLinux 2005 servers using Webmin

Networking

This link allows you to manage and configure all the stuff related to networking remotely. From configuring an ADSL connection to setting up VPN, everything can be managed. You can also configure your Network cards, PPP Dial-up connections, SSL tunnel, firewall, bandwidth monitoring, NIS Client and server and
NFS. 

Hardware

Clicking on the link allows you to manage hardware, such as hard disks and printers connected to your PCQLinux 2005 system. You can create and manage LVMs (logical storage volumes) on your machine. Not only this, Webmin also allows you to create RAID volumes using its software RAID. If you have connected a printer to the PCQLinux machine, then you can use the same Webmin to configure it. 

Server applications and services (like web, database, mail) can be managed from here

Network configuration and management with different levels of complexity is very easy with Webmin

Cluster

To configure the clustering on PCQLinux using a terminal console is little dicey. Here, also Webmin helps you to configure your cluster seamlessly on the machine. Just click on the ‘Cluster’ link from the Webmin and you will get various options to configure clustering services. These options are for file copy, password change, corn jobs, shell command, software packages, users and groups, Webmin server, configuration engine and heart beat monitoring. 

Others

This is the last link on the Webmin page. Here, you get small tools like a file manager, command shell, SSH Telnet and other similar tools, which can be run remotely using your Web browser.

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