Install and Configure Redis on CentOS 7
Redis is an open-source, in-memory, data structure store with optional disk writes for persistence. It can be used as a key-value database, or as a cache and message broker. Redis … Continue Reading →
Increase “Open Files Limit”
Increase “Open Files Limit” If you are getting error “Too many open files (24)” then your application/command/script is hitting max open file limit allowed by linux. You need to increase … Continue Reading →
Install the Chef Server
Install the Chef Server [edit on GitHub] There are three configuration scenarios for the Chef server: Standalone (everything on a single machine) High availability (machines configured for front-end and back-end, allowing for … Continue Reading →
Multiple Master on Single Slave MySQL
Multi-Source Replication Tutorials This section provides tutorials on how to configure masters and slaves for multi-source replication, and how to start, stop and reset multi-source slaves. Configuring Multi-Source Replication This … Continue Reading →
Upgrade Mysql to 5.7 on Linux
How to Install Latest MySQL 5.7.9 on RHEL/CentOS 7/6/5 and Fedora 23/22/21 MySQL is an open-source free relational database management system (RDBMS) released under GNU (General Public License). It is … Continue Reading →