How to Upgrade Zimbra Collaboration Suite 8.0.7 to 8.5.0 on CentOS 6.5 x86_64

On August 26 2014, the new zimbra version 8.5.0 has been released and it surprise us with the new major features available. The following are the major new features and enhancements in Zimbra Collaboration 8.5.0. MariaDB MariaDB is a drop-in replacement for MySQL MariaDB 10.0 is used with XtraDB storage engine No data reload required, […]

How to Setup NetHogs – Monitor Bandwidth Usage Per Process in Linux

NetHogs is a opensource tools to monitor network bandwidth that was used by the process and program in linux operating system. NetHogs does not rely on a special kernel module to be loaded. When you hit the high network traffic issue on your linux server, you can immediately find which PID is causing the issue. […]

How to Setup Collectl – Linux Performance Monitoring

Collectl is a linux performance monitoring tools that grabs as much detail as possible from the /proc filesystem and it does a lot more than most other tools. Compare to sar, collectl has some capabilities that sar does not have. Collectl can gather and post-process the performance data and also can save the performance data […]

How to Setup Sar (Sysstat) – Monitor Linux System Performance

Sysstat contains various utilities to collect and historize performance and monitor server activity on the linux. Sar is part of the sysstat package. by using sar, we can collect, report, or save system resource utilization information. It will help system administrator to troubleshoot performance issues, or to optimize performance. This post will show how to […]

How to Setup Monitorix – Network and System Monitoring Tool for Linux

Monitorix is an open source and lightweight system monitoring tool designed to monitor network and system resources in linux/UNIX operating system. Monitorix can collects network and system performce and also resources and then display the informations into graphs. it will help system adn network administrator to detect abnormal activities and detecting bottlenecks. This post will […]

How to Secure MySQL Server on CentOS 6.5 / CentOS 6.6

MySQL is the world’s most popular open source database and its the world’s second most widely used open-source relational database management system (RDBMS). MySQL default installation is not securely configured. For the sake of security, we need to run mysql_secure_installation wizard manually in order to perform basic MYSQL hardening on Virtual private server (VPS). The […]

How to Enable EPEL and Remi Repository into CentOS 6

EPEL stand for Extra Packages for Enterprise Linux. EPEL repository is a Fedora Special Interest Group that creates, maintains, and manages a high quality set of additional packages for Enterprise Linux, including, but not limited to, Red Hat Enterprise Linux (RHEL), CentOS and Scientific Linux (SL), Oracle Enterprise Linux(OEL). Remi repository is a yum repository […]

How to Install Lighttpd With PHP5 (PHP-FPM) and MySQL on CentOS 6.5

Lighttpd (pronounced “lighty”) is an open-source web server as an alternative to Apache and Nginx. It is a secure, flexible, fast and designed for speed-critical environments. It has a low memory footprint and can handle large number of connections in one server especially for busier sites. PHP is an acronym for “PHP Hypertext Preprocessor”; PHP […]

How to Upgrade Zimbra Collaboration Suite 8.0.6 to 8.0.7 on CentOS 6.5 x86_64

Zimbra Collaboration Suite (ZCS) is one of the popular open source email solution. Zimbra has released new version of ZCS 8.0.7. This new version consist of many new features and enhancements. I would suggest you to review the known issues that had been fixed before perform zimbra version upgrade. This post assumed that full backup […]