Communicate Two Docker Containers with “Docker Network”

Docker Tutorıal

7 October 2020   0 Comment

Today, I am going to talk about connecting two docker containers with docker network feature. First, we need to create at least two different docker containers. I am going to work with “Oracle DB” and “Oracle WebLogic” docker containers. Let’s check containers and their status with; My containers’ name are “OracleDBOrnek” and “OracleWebLogicSarper” docker ps […]

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SSH Login Without Password

24 September 2020   0 Comment

When we try to ssh one server to another server, It always require password. With a help of OpenSSH package, We can generate authentication keys on local machine and copy public key to the remote server. Generate a key pair on the local server Use ssh-keygen to generate authentication keys for SSH. $ ssh-keygen Install your public […]

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INSTALL AND RUN XWINDOWS/X11 ON LINUX

23 September 2020   0 Comment

When we ssh to the Linux server, If we see “X11-forwarding : x (disabled…)” as down below, We can not use Graphical Interface of Installations or tools. Therefore, we need to install “xorg-x11-server-Xorg, xorg-x11-xauth, xorg-x11-apps” packages. There will be lot of dependencies for installing these packages, make sure you install all the packages using yum. […]

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How to Install Apache Cassandra on CentOS 7

22 September 2020   0 Comment

Cassandra Installation on CentOS 7.x Before Installing Cassandra, we need to Install Java 8; yum update -y wget –no-cookies –no-check-certificate –header “Cookie:oraclelicense=accept-securebackup-cookie” “http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.rpm” yum -y localinstall jdk-8u131-linux-x64.rpm We can check java version as down below; To install Cassandra, we need to add following parameters into /etc/yum.repos.d/cassandra.repo [cassandra] name=Apache Cassandra baseurl=https://www.apache.org/dist/cassandra/redhat/311x/ gpgcheck=1 repo_gpgcheck=1 gpgkey=https://www.apache.org/dist/cassandra/KEYS You can […]

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