All posts by csenthilmurugan

Interested to share knowledge with others

How to setup jasperserver 7.5 in centos 7

Create the instance in aws – centos – allow 8080 port if you want default port or use https

login using ssh using centos@ and change into root using sudo su

yum update

vi /etc/selinux/config

disable selinux

sudo reboot

check the status using $ sestatus
check the file path before downloading the jasperserver

wget –progress=bar:force:noscroll -O

chmod +x

./ –mode unattended –jasperLicenseAccepted yes –postgres_password dbpassword –prefix /opt/jasperreports-server-cp-7.5.0

This will take more time, please wait for minimum 15 to 20 mins based on your server confiration

cd /opt/jasperreports-server-cp-7.5.0/

./ start

To change the port, edit the below file and replace 8080 with 80
vi /opt/jasperreports-server-cp-7.5.0/apache-tomcat/conf/server.xml

how to install wine on ubuntu

Oracle Sql Developer Ubuntu 18.04 Installation Guide

Desktop Shortcut creation with gnome-desktop-item-edit

The gnome-desktop-item-edit command may be missing as it is not installed by default. You can install it by opening up terminal and entering the following linux command:

$ sudo apt-get install --no-install-recommends gnome-panel

To create a new desktop shortcut launcher on Ubuntu 18.04 execute the following linux command:

$ gnome-desktop-item-edit ~/Desktop/ --create-new
Create Desktop Shortcut launcher - Ubuntu 18.04 - gnome-desktop-item-edit

Create Desktop Shortcut launcher - Ubuntu 18.04 - Fill in all required information

Fill in all required information and hit OK button.
Create Desktop Shortcut launcher - Ubuntu 18.04 - shortcut will be created on your Desktop

At this stage the new shortcut will be created on your Desktop.
Create Desktop Shortcut launcher - Ubuntu 18.04 - trust and launch application

Now double click on the new icon and hit Trust and Launch button.
Create Desktop Shortcut launcher - Ubuntu 18.04

New shortcut ready.

Oracle Apex 19.2 Early Adopter

Thanks to oracle.

Please login in to the above link and start checking the features. Long waiting enhanced LOV is available like oracle forms LOV.

There are some exciting new features in this release, including:

  • Faceted Search
  • All new Team Development
  • Enhanced Popup LOV
  • Expanded Shared LOVs
  • REST Enabled Interactive Grid
  • Data Loading into Existing Tables
  • Upgraded Oracle JET
  • Dark Mode theme style in Universal Theme
  • Learn more about the new features in APEX 19.2

Oracle Apex for Beginners

Want to start developing web applications with Oracle Application Express? Make sure you don’t reinvent the wheel and adopt best practices from industry experts right from the start.

Here are some tips for beginners:

1. If you don’t already have APEX installed, don’t install it yourself, but get a free workspace within minutes on This fully managed environment can even be used for tiny non-critical productive apps.

2. Start making your first apps using our APEX tutorial (German) or from Oracle (English): (includes best practices!)

3. Install and explore all prebuilt Apps from the App Gallery in the APEX builder

4. Watch some great videos about APEX on YouTube:

5. Read some great books for in-depth information and for reference:
Oracle APEX: das umfassende Handbuch (German)
Oracle PL/SQL Programming
JavaScript & jQuery: The missing manual

6. Go through “some” slides:

7. Hear some podcasts to get acquainted with some APEX experts:

8. Engage with the APEX community online:
Follow various blogs using your favorite RSS client

9. Meet APEX developers personally at regional conferences:
ODTUG Kscope (USA/Canada)
DOAG APEX Connect (Germany)
NLOUG APEX World (Benelux)
APEX AlpeAdria (Slovenia/Croatia/Austria)
DOAG Conference (Germany)

10. Stay in touch with APEX developers personally between the conferences:
APEX Meetup Groups

11. Gain/share more best practices:

If you are starting with APEX, but don’t have any clue about what a database is, I suggest you have a look here:

Please write your comments if you need any clarifications on Oracle Apex.

Thanks to Niels de Bruijn