A friend needed help changing the system date on his Linux box today. This is usually a simple task for Linux users but newbies tend to get confused by the "date [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]]” line in the man page.

To simplify, this is how you do it.

Set the current date to April 7 2008 8:42:45pm.

The easy way,

#date -s "7 April 2008 20:42:45"

The harder way,

#date 040720422008.45

The break down: MM DD hh mm YYYY ss

MM = month = 04

DD = day = 07

hh = hour = 20

mm = minute = 42

YYYY = year = 2008

ss = second = 450

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Webmin is a web based control panel for system administrators for Unix/Linux. I use Webmin for reports mainly. More about Webmin here.

This is how you would install Webmin on Centos 4.

1. First start by downloading the latest version of Webmin. The current version is 1.400.

I prefer to use use wget to directly download the file onto the server but it’s up to you.

wget http://prdownloads.sourceforge.net/webadmin/webmin-1.400-1.noarch.rpm

2. Install the Webmin rpm package.

rpm -ivh  webmin-1.400-1.noarch.rpm

[root@proxy0 /]# rpm -ivh webmin-1.400-1.noarch.rpm
warning: webmin-1.400-1.noarch.rpm: V3 DSA signature: NOKEY, key ID 11f63c51
Preparing...                ########################################### [100%]
Operating system is CentOS Linux
1:webmin                 ########################################### [100%]
Webmin install complete. You can now login to https://proxy0.klm1.netcel360.com:10000/
as root with your root password.

3. Check if the Webmin service has been started.

service webmin status

[root@proxy0 /]# service webmin status
webmin (pid 4878) is running

That’s it, you can now login using your root id at https://localhost:10000

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