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Upgrade MySQL to Version 5.6 in CentOS
Backup all the database and stop mysql mysqldump -u (userid) -p (password) –all-databases > all-databases.sql service mysqld stop Download the Repo for MySql 5.6 wget http://dev.mysql.com/get/mysql-community-release-el6-3.noarch.rpm/from/http://repo.mysql.com/ Install the repository from the local file yum localinstall mysql-community-release-el6-3.noarch.rpm Install the latest MySql yum install mysql-community-server service mysqld start Configure MySQL to start automatically on Server Reboot chkconfig […]
Deploy a Docker registry server with Authentication
Before you can deploy a registry, you need to install Docker on the host. A registry is an instance of the registry image, and runs within Docker. Install docker service with bellow commands. dnf config-manager –add-repo=https://download.docker.com/linux/centos/docker-ce.repo dnf install -y docker-ce –nobest systemctl enable –now docker dockerstatus=`systemctl status docker | grep “active (running)”` echo “Docker Service […]
Pacemaker Cheat Sheet
File and Directory Locations LOCATION DESCRIPTION /var/lib/pacemaker/cib/cib.xml Primary cluster configuration file /var/log/cluster/corosync.log Primary cluster log file /usr/lib/ocf/resource.d/heartbeat/ Directory where resource scripts are located Check Cluster Status COMMAND DESCRIPTION pcs cluster status Display status of cluster nodes pcs status –full (double dashes) Display detailed cluster status of nodes and resources pcs resource Display status of all […]