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FUSE-based file system backed by Amazon S3. Mount a s3 bucket as a local file system to read/write. Since the bucket is mounted as a local file system, the  write/read operation is faster than when we read the file from s3 bucket directly. Install Dependencies: yum install gcc libstdc++-devel gcc-c++… Continue Reading S3Fs installation

Most of the renowned ESPs such as gmail or hotmail or yahoo do not like to mailed to from the same address multiple times in a short span. If they detect (and they will) that a server’s IP is sending out bursts of emails in short span of time or… Continue Reading Postfix : Rate limit based on recipients throttling

Assumption: AWS access key has a privilege to create snapshot. Aws Tag name has to be passed as an argument. Replace aws access key and secret key with proper keys #!/usr/bin/python #Author:Dhanasekaran N #Email:dhanasekaran.n16@gmail.com #Version:1.0 #Here come I……. from datetime import datetime, timedelta import datetime import time from dateutil import… Continue Reading Python script to take Amazon volume backup of an instance

This post guides you to install ffmpeg on ubuntu server. Let’s update all the repo’s on the host. apt-get update   Install the required package using apt-get install. apt-get -y –force-yes install autoconf automake build-essential libass-dev libfreetype6-dev libgpac-dev libsdl1.2-dev libtheora-dev libtool libva-dev libvdpau-dev libvorbis-dev libxcb1-dev libxcb-shm0-dev libxcb-xfixes0-dev pkg-config texi2html zlib1g-dev yasm… Continue Reading Install ffmepg on Ubuntu Server

1. Install Linux dependencies GCC and Make(On Redis Server) sudo yum -y install gcc make   2. Download, Untar and Make Redis 3.0 wget http://<Download the latest file from the redis official site> tar xzf redis-3.3.0-rc3.tar.gz cd redis-3.0.0-rc3 make   3. Create Directories and Copy Redis Files sudo mkdir /etc/redis /var/lib/redis… Continue Reading RedisMaster and Slave Setup

Follow the step by step instructions given below to install s3cmd tool:- =====  * Download the latest version of s3cmd through SourceForge (SourceForge – Latest released version is 1.5.2  ) and unzip it. Example: wget http://sourceforge.net/projects/s3tools/files/s3cmd/1.5.2/s3cmd-1.5.2.tar.gz * Change directory the s3cmd-1.5.2 (ie) “cd s3cmd-1.5.2″. * Install setup tools using below command: —— – For Debian OS use… Continue Reading S3cmd Installation on Linux

Introduction Redis is an in-memory data structure store commonly used for caching, session management, message brokering, and real-time applications. It provides a command-line interface (redis-cli) that allows administrators to manage data, monitor server performance, configure runtime settings, and troubleshoot Redis instances. This guide covers commonly used Redis commands for day-to-day… Continue Reading Redis Common Commands

Introduction In environments with multiple Memcache servers, it may be necessary to remove the same cache key from all nodes to ensure data consistency. This Python script allows administrators to delete a single Memcache key or multiple Memcache keys across a specified Memcache cluster. Prerequisites Implementation Step 1 Create a… Continue Reading Script to delete Memcache key on cluster

Introduction MongoDB is an open-source NoSQL database that stores data in flexible, document-based collections instead of traditional tables. It is designed for high performance, scalability, and high availability. A MongoDB replica set (cluster) consists of multiple MongoDB instances that work together to provide data redundancy and automatic failover. Prerequisites Implementation… Continue Reading Mongo Cluster Setup

Introduction The tmpwatch utility helps automatically remove old and unused files from the /tmp directory. Since applications such as Apache and MySQL store temporary files in this location, the partition can fill up over time, potentially causing service interruptions. Using tmpwatch helps keep the /tmp directory clean and prevents disk… Continue Reading Using tmpwatch to clear files from /tmp partition