Setup graylog locally on Windows/Linux/Mac
Here is the quickest way to deploy a development version of the Graylog instance locally on your desktop machine. Prerequisites…
Category: Linux
Automatically update running docker container with the latest image
Watchtower is an open-source tool that scans the running container and restarts those containers with the same parameters if it…
Bash – Extract IP, Count Unique IPs and Sort
Given the apache access_log file content, to get the number of unique IPs use the following command
Extend osDisk partition on Azure Linux CentOS 7.x VM
Azure VMs usually comes with the default osDisk 30-50GB and often you will find that needs to be increased. The…
Automated MongoDB backup on Docker Swarm and save on AWS S3
AWS doesn’t have a PaaS service offering for MongoDB at the moment. So it is the DevOps’s responsibility to maintain…
Cronjobs in distributed environments – Cronlock using NFS/External mount
Have you ever in a situation where you have multiple backend servers and your cronjob is scheduled in one server…
One-off cronjob container on Docker Swarm
Docker containers are good for running small tasks due to the size and memory requirement for running in a server.…
Graylog Standalone on Ubuntu Installation
Graylog is a log aggregation tool. Installing and setting up graylog is pretty straightforward. Here is a simple guide to…
Monitor Apache using monit
Monit is a small Open Source utility for managing and monitoring Unix systems. Monit conducts automatic maintenance and repair and…
Hashicorp Vault Systemd Startup Script
From Hashicorp Vault project documentation Starting the Server vault server -config=example.hcl With the configuration in place, starting the server is…