Install xrdp on Cent. OS 7 RHEL 7xrdp is an Open Source Remote desktop Protocol server, which allows you to RDP to your Linux server from Windows machine it is capable of accepting connections from rdesktop, freerdp, and remote desktop clients. This how to will help you to setup xrdp server on Cent. OS 7 RHEL 7. Prerequisites. This post was written when xrdp is available neither on Cent. OS repositories nor EPEL repository, after a lot of Google search I found desktop repository http li. Cent. OS 7 RHEL 7. We need to manually setup the repository on Cent. OS 7. 2. Dont forget to install Gnome on Cent. OS 7. 3. Install and configure EPEL repository. Uvh https dl. fedoraproject. Add nux repository. Automatic recommendedrpm Uvh http li. Manual. Create a repository file. I did followings to install centos 6. In order to conserve the limited bandwidth available. The following mirrors should have the ISO images available. Howto install gcc and development tools on Centos 7. RHEL, install gcc on Centos 7, install development tools on Centos 7, install gcc on RHEL 7. Ubuntu b n t u stylized as ubuntu is an open source operating system for computers. It is a Linux distribution based on the Debian architecture. The site for people who want to establish the Network Server with CentOS, Ubuntu, Fedora, Debian. Install Gnome Centos 6 Minimal Install' title='Install Gnome Centos 6 Minimal Install' />Place the following content. Once added, save and close the file. Install xrdp on Cent. OS 7. Issue the  following command to install xrdpyum y install xrdp tigervnc server. You will get the following output, make sure you are getting the package from the newly created repository. Running transaction check. Package xrdp. x. 866. Finished Dependency Resolution. Dependencies Resolved. Package        Arch             Version                   Repository      Size. Transaction Summary. Install Gnome Centos 6 Minimal Install' title='Install Gnome Centos 6 Minimal Install' />What are your thoughts on KDE neon Please include a few pros and a few cons, along with your overall impression of the operating system. Version. Install  1 Package. Total download size 2. Installed size 1. M. Is this ok ydN y. Downloading packages. B   0. 0 0. 5. Running transaction check. Running transaction test. Transaction test succeeded. Running transaction. Installing xrdp 0. Verifying  xrdp 0. Once it is installed, lets start the xrdp service. Output tcp        0      0 0. LISTEN      1. 50. LISTEN      1. 50. By default, services wont auto start after system reboot. Issue the following command to enable the service at system start up. Next is to create iptables rule to allow RDP connection from the external machines, following command will add the exception for RDP port 3. Configure SELinux chcon typebint usrsbinxrdp. Test Remote Connectivity. Now take RDP from any windows machine using Remote Desktop Connection, enter the ip address of Linux server in the computer field and click on connect. Install xrdp on Cent. OS 7 xrdp MSTSCYou would be asked to enter the user name and password. You can either use root or any user that you have it on the system. Make sure you use module sesman Xvnc. Install xrdp on Cent. OS 7 xrdp Login page. If you click ok, you will see the processing. In less than a half min, you will get a desktop. Install xrdp on Cent. OS 7 xrdp Desktop. Thats All. You have successfully configured x. RDP on Cent. OS 7 RHEL 7. We welcome your comments. How to Install Oracle Database 1. RHELCent. OS 7. Oracle database is one of the most widely used relational database management systems RDBMS in enterprise environments. Developed, maintained, and supported by Oracle Corporation, this RDBMS is often installed on top of a flavor of Enterprise Linux RHEL, Cent. OS, or Scientific Linux. This makes for a very robust operating system database choice. In this article, we will explain how to install Oracle 1. Release 2 on a RHELCent. OS 7 GUI server. Attention RHELCent. OS 6 users can follow this guide to Install Oracle Database 1. RHELCent. OS 6. x. Lets begin. Prerequisites After installing Oracle 1. That is the reason why we need a Cent. OS 7 server with the X Window System software group installed. Read Also Install GUI Gnome on RHELCent. OS 7 Server. Additionally, please note that an Oracle account is required to download the Oracle Database 1. GB. Dont worry about this, though, as you can create an account for free. Finally, make sure your server has at least 2 GB of RAM and 3. GB of available disk space. These hardware requirements are safe for a testing environment such as ours, but will need to increase if you consider using Oracle in production. Preparing for Oracle 1. Installation. 1. To begin, make sure that all the packages currently installed on your RHELCent. OS 7 system are updated to their latest versions. Next, installed all the required dependencies for the RDBMS, along with the zip and unzip packages. Xi. i. 68. 6 lib. Xi. x. 866. 4 lib. Xtst. i. 68. 6 lib. Xtst. x. 866. 4 make. Create the user account and groups for Oracle. G dba oracle. Finally, set a password for the newly created oracle account. Add the following kernel parameters to etcsysctl. Set the limits for oracle in etcsecuritylimits. Create a directory named stage and extract the zipped installation file. Before proceeding, create other directories that will be used during the actual installation, and assign the necessary permissions. R oracle oinstall u. R oracle oinstall u. R 7. 75 u. 01. chmod R 7. We are now ready to run the installation script. Open a GUI session in the RHELCent. OS 7 server and launch the installation script. Installer. and follow the steps presented by the installer. Installing Oracle 1. Cent. OS 7. 8. Enter the email address associated with your Oracle account optional. Oracle Account Email Address. Choose Create and configure a database. Configure a Oracle Database. Select Desktop class since we are setting up a minimal configuration and a starter database. Oracle Desktop Class Installation. Select the following options for basic configuration. Oracle base u. 01apporacle. Software location u. Database file location u. OSDBA group dba. Global database name your choice. We chose tecmint here. Take note of the password, as you will be using it when you first connect to the database. Uncheck Create as Container database. Oracle 1. 2c Basic Configuration. Leave the default Inventory Directory as u. Inventory. Oracle 1. Inventory Directory. Verify that the installation pre checks are completed without errors. Oracle 1. 2c Installation Settings. The installer will not let you past this point if any errors are found. Wait until the Oracle 1. Oracle 1. 2c Installation Progress. It is possible that at some point during the installation you will be asked to run a couple of scripts to set up further permissions or correct issues. This is illustrated here Oracle 1. Configuration Scripts. And here cd u. Inventory. Root. sh. cd u. Execute Oracle 1. Configuration Scripts. After that, you will need to return to the previous screen in the GUI session and click OK so that the installation can continue. When it is finished, you will be presented with the following message indicating the URL of the Oracle Enterprise Manager https localhost 5. Oracle 1. 2c Finishing Touches. To allow connections from outside the server, you will need to open the following ports 1. TCP. As follows firewall cmd zonepublic add port1. Next, login as oracle using the password that was chosen previously and add the following lines to. TMPDIRTMP export TMPDIR. ORACLEBASEu. 01apporacle export ORACLEBASE. ORACLEHOMEORACLEBASEproduct1. ORACLEHOME. ORACLESIDtecmint export ORACLESID. PATHORACLEHOMEbin PATH export PATH. LDLIBRARYPATHORACLEHOMElib lib usrlib usrlib. LDLIBRARYPATH. CLASSPATHORACLEHOMEjlib ORACLEHOMErdbmsjlib export CLASSPATH. Finally, replace localhost with 0. ORACLEHOMEnetworkadminlistener. Set Oracle 1. 2c Listener. The last step consists in reloading. And then login to the database using the system account and the password chosen in Step 1. Optionally, lets create a table inside the tecmint database where we will insert some sample records as follows. SQL CREATE TABLE Names. TBL. id NUMBER GENERATED AS IDENTITY. VARCHAR22. 0 Please note that IDENTITY columns were first introduced in Oracle 1. SQL INSERT INTO Names. TBL name VALUES Gabriel. SQL INSERT INTO Names. Welding A Cracked Exhaust Manifold here. TBL name VALUES Admin. SQL SELECT FROM Names. TBL. Create Table in Oracle 1. Database. Enabling Oracle to Start on System Boot. To enable the database service to start automatically on boot, add the following lines to etcsystemdsystemoracle rdbms. Invoking Oracle scripts to startshutdown Instances defined in etcoratab. Listener. DescriptionOracle Databases and Listener. Requiresnetwork. Exec. Startu. 01apporacleproduct1. Exec. Stopu. 01apporacleproduct1. Wanted. Bymulti user. Finally, we need to indicate that the tecmint database should be brought up during boot in etcoratab Y Yes. Enable Oracle 1. 2c Database on Boot. Summary. In this article, we have explained how to install Oracle 1. RHELCent. OS 7, how to create and configure a database, and how to create tables and insert rows of data. Additionally, it is important to note that the database server should be up and running when the system boots, and our default database should be available at that point. If you have any questions or comments about this article, feel free to drop us a line using the form below.