STEPPED IN TO 5th YEAR OF MY CAREER LIFE

I have successfully stepped in to 5th Year of My Career Life

As

System Administrator

Change Host-Name in Linux

Display Hostname

To display the current hostname, we can use hostname command.

#hostname
server1.adminnote.com

Change Hostname

We've to update two files:

/etc/hosts
/etc/sysconfig/network  or /etc/hostname

To add/remove hosts on Redhat / CentOS / Fedora / Debian / Ubuntu

#vim /etc/hosts
123.123.123.123 server2.adminnote.com
save and close :wq
Note: add all required hosts with IP

To add/remove hostname on Redhat / CentOS / Fedora

#vim /etc/sysconfig/network
HOSTNAME=server2.adminnote.com

save and close :wq

#hostname server2.adminnote.com
#hostname
server2.adminnote.com

To add/remove hostname on Debian / Ubuntu

#vim /etc/hostname

server2.adminnote.com

save and close :wq

#hostname server2.adminnote.com
#hostname
server2.adminnote.com

Software - AVG Internet Security 1 Year Trial

AVG providing 1 Year free trial for huawei dongle users, We can get these trial by following links,

Have a secured PC with AVG Internet Security.

AVG Internet Security 2014 Free 1 Year Trial Version: 32 Bit;

AVG Internet Security 2014 Free 1 Year Trial Version: 64 Bit;

Note: Links available for download till AVG allowing this offer.

Enable / Disable Webmail options on WHM panel

Currently we can choose Horde Webmail, RoundCube webmail, SquirrelMail webmail.

We can Enable or Disable, what all are should be available to client by WHM. For select this use bellow steps for it,

1. Login to WHM panel
2. From left site pane, select Server Configuration -> Tweak Settings
3. Click Mail tab, and there we can see lot of mail settings,
4. Find Enable Horde Webmail, Enable RoundCube webmail, Enable SquirrelMail webmail
5. Using On,Off radio selection, we can Enable or Disable webmail options.
6. Select option and click save.

Adobe Flash Player Standalone Offline Full Installer for Windows

Good thing in these links are up to date automatically by Adobe. 

So no need to bother about whether it's updated or not.

Internet Explorer

Download Adobe Flash Player Standalone Offline Full Installer 

All other browsers Firefox, Chrome etc.

Download Adobe Flash Player Standalone Offline Full Installer 

Web Server

The primary function of Web Server is to provide web pages to requested client. We know lot about basics of web server and web sites, you can get all basics form Wikipedia. So here we going to see about configuration of web server in both Windows and Linux.

We can make a web server with Windows, Linux, Unix, Mac what ever, by use of Web Server Application. There are several web server applications,

Apache Web Server by Apache
nginx Web Server by Nginx INC
Google Web Server by Google
Internet Information Server by Microsoft

Here we are going to see about Apache, nginx. GWS is used only by Google.

Before configure your main server, try the configuration with virtual servers. I'm always use virtual box for my testing.

Servers Available in Linux

Upto I know, the following servers are available in Linux. We will discuss about it one by one.

1. Web Server
2. Proxy Server
3. FTP Server
4. Samba Server
5. NFS Server
6. Database Server
7. LDAP Server
8. DNS Server
9. DHCP Server
10. NEWS Server
11. Time Server
12. Mail Server
13. Print Server
14. Linux Internet Gateway
15. Linux Virtual Server
16. SSL Server
17. NIS Authentication Server
18. PXE Kickstart Server (Remote Installation Server)
19. Application Server

If i miss any of server post here , I'll update them as soon as possible.