How To Change Timezone on a CentOS 6 and 7

CentOS timezone config files and directories /usr/share/zoneinfo/ – The system timezone directory contains the files as per timezone name. For example, the file /usr/share/zoneinfo/America/New_Yorkrepresents time zone for New York. /etc/localtime – It is … Continue Reading →


How to Fix Nf_conntrack Table Full Dropping Packet

Issue Packet drops on this system for connections using ip_conntrack or nf_conntrack. Following messages seen in /var/log/kern on the centos nodes when one of the instances drops packets: $ tail -f /var/log/kern Jul 4 03:47:16 … Continue Reading →


How to upgrade PHP 7.1

New Post Since this post is now a few months old – PHP 7.2 is now out. Click the link below to read my new version about upgrading to PHP7.2 … Continue Reading →


Setup Linux Container with LXC on Linux

                                                            … Continue Reading →


Redis Monitoring through Nagios

First install below softwares #Shell> yum install perl-Time-HiRes #Shell> yum install perl-Redis Now copy the below code in file check_redis (I am naming the file) ######Start of Code###### #!/usr/bin/perl -w … Continue Reading →