Ubuntu has a very humble background and its base is clearly defined by its name “Ubuntu” meaning humanity toward others. It is truly an Operating System that has challenged more richer alternatives namely Microsoft Windows and Mac OS and as majority of humans are not rich this OS stands the test of times , with its all unique and shining qualities it is free of cost and an enterprise standard OS adopted by big enterprise like Dell computers.
Some of the qualities that attract more and more IT savvy businessman in Ubuntu are
Time is Money
We hear this phrase many times , if you compare Ubuntu to its competitors like Windows and Mac OS it is not behind in terms of its performance , infact is it much faster when it comes to high computation tasks such as programming tasks , testing and development tasks and hardware requirement are much low as well.
Homogeneous in nature
Like that of Microsoft OS’s where the client and server operating systems are way apart in there usage , Ubuntu Desktop and Server edition are much natural and can be used for both client server model , desktop computer , and now more recently a choice for cloud computing.
Support is available Free as well as Commercial
Though Enterprise businesses require commercial support , SME’s and startup love to get free support and that is where there is no other competitor to Ubuntu distribution , it is one of the most popular Linux distribution with a huge community support that you can find almost all solution free of cost online, one of the best resource for this purpose is askubuntu.com website. If commercial support is the requirement it is directly supported by Canonical as well as some other vendors that stand by your business to help you out in hard times, and your own hardware vendor might be one of those , example Dell does support Ubuntu Linux installed on there hardware.
Software is Free
Majority of software available on Ubuntu is free of cost including office application and other utilities , many companies which ignored Linux previously have support of there software on Ubuntu these days and it is growing.
Zip , Games , Office application , Editors , and even Microsoft products are not porting with Linux packages for there application.
Compatibility with Microsoft products
With more and more system migrating to Linux OS’s Microsoft has also come to the terms and accepted the reality that Linux is the future of Desktop OS , infact it has the greatest share in Mobile OS (Android) and Server OS (in super computers) , as for Desktop version Linux is growing fast. Microsoft products have are now cloud ready and possible to run on Linux such as there Office Application, MS Windows is also boosting compatibility and allowing to share file systems with Linux File systems as an addon. Most importantly the future of Microsoft company Powershell is freely available for Linux and can be readily used in Ubuntu to manage Windows Servers from Linux console.
Security
As a business person more then anything your data is the value , with just a default install Ubuntu is much more strong and secure as compared to the paid counterparts. Furthermore the security patches for LTS version are available for 5 years and 3 years for the Desktop version.
Future Technology Trends and Ubuntu Usage
As Ubuntu is free of cost , it is an OS of choice for both Developers and users , many famous projects have used Ubuntu as there base OS just because the OS is portable and easy to install and manage. Some famous projects include
Android (mobile OS)
Rasberry PI (robotics)
Openstack (Cloud )
Ubuntu Linux ( Server and Desktop )
There are few other famous derivatives of Ubuntu such as Edubuntu etc which are used for specific purposes.
Conclusion
Ubuntu is slowly but surely taking up the market share leaving behind old traditional rivals like Microsoft OS which had a much greater share in market during Windows XP era , as time passes by and new technologies are produces using Linux and specifically Ubuntu the share of OS is expected to grow and those business that choose Ubuntu at an earlier stage will benefit much greatly with there choice to move to Open Source Operating System and saving much more in terms of cost and features.
RHEL web console allows to perform below user management tasks:
Create new users accounts.
Change their parameters.
Lock accounts.
Terminate the user session.
Adding New account in Web Console
Step 1: Click Account
Step 2: Click Create new account
Step 3: In the create account dialog box add the Real Name
Step 4: Enter a unique username
Step 5: Enter a password
Step 6: Confirm the entered password
(Note: it is always advised to keep a strong password)
Step 7: Click Create
Once created User Name will be available in the list of users. In case you want to give it Administrator rights click the newly created user and click Server Administrator Role , that will add the newly created user to the wheel group used for sudo users.
Setting Expiration for an user
Expiration by default is set to never expire but it is possible to change the value by following below steps
Step 1 : Click Account
Step 2 : Click Account name you want to set the expiration
Step 3 : Add the required password change days
Step 4 : Click Change
Terminating User session
Step 1 : Click Account
Step 2 : Click Terminate Session
If button is not active that means the user is not login to the system
Step 5 : select time interval before restart will take place (optional) or no delay in case of immediate restart
Step 6 : click Restart
Shutdown the system from web console
Step 1 : Click System
Step 2 : Power Option (dropdown)
Step 3 : Shutdown
Step 4 : write reason for shutdown (optional) ->
Step 5 : select time interval
Step 6 : click Shutdown
Naming / Renaming Server from web console
Host name consist of two parts host + domain name. By default hostname is localhost.localdomain but you can change it during installation or from the web console.
For example: rhel8server.testdom.it
You can configure also a pretty host name in the RHEL web console. This is specific to web console and is not considered a real hostname of the server. Capital letters , spaces are accepted characters for a pretty hostname.
Step 1 : Click System
Step 2 : Click Current Hostname
Step 3 : Enter Pretty Hostname
Step 4 : Enter Real Hostname
Step 5 : Click Change
Configuring NTP setting from web console
Step 1 : Click System
Step 2 : Click Current System Time
Step 3 : In the change time dialog box select correct timezone
Step 4 : In the change time dialog box Select "Set Time" drop down.
From the drop down you can select
Manual : for setting time manually
Automatic Using NTP : This is recommended option
Automatically Using specific NTP server : In case your company has there own NTP server select this option.
Step 5 : Click Change
Using web console for selecting performance profile
Performance profile are created and managed by the Tuned service.
Tuned is a service that monitors your system and optimizes the performance under certain workloads.
The core of Tuned are profiles, which tune your system for different use cases. Tuned is distributed with a number of predefined profiles for use cases such as: High throughput Low latency Saving power
RHEL 8 Cockpit Web Console is a web based management tool that allows you to complete many common RHEL tasks from a web browser , it is designed as per cloud OS. As a feature of any web based application it is accessible from remote machines by default.
Enabling Cockpit Web Console
By default cockpit gets installed on all RHEL 8 installations with exception to minimal installs, however it is not enabled by default, use below command to enable the web interface.
systemctl enable --now cockpit.socket
Notice that cockpit is a self contained application and does not require a web server to be installed to run this web application.
If you want to run cockpit dashboard locally from the desktop you can use below command to install the graphical interface.
yum install virt-viewer
The next step is to open a web browser (either from a remote host, or from the RHEL 8 system console), and go to the RHEL 8 systems hostname or IP address, followed by :9090 to specify port 9090, for example: https://localhost.localdomain:9090
Log in to the Web Console with the root account, or with another RHEL account.
