Putty Tips and Tricks
1. Putty Auto Login into Session with Username and Password Create a bat file and you can schedule it to run with following command: C:\tools\putty.exe -load session_name -l your_user_name -pw…
Monit – Linux Open Source System or Process Monitor Program
1. What is Monit? Monit is a utility for managing and monitoring processes, programs, files, directories and file systems on a Unix like system. Monit conducts automatic maintenance and repair…
Linux Virtual Machine PHP Invoked OOM-killer (Out of Memory) Issue
One of my GCP VM is running at f1-Micro type which only has limited memory, 614MB. From syslog, I found it has a PHP invoked OOM killer messages. This usually…
Ubuntu Basic System and Service Configuration Commands
1. Update / Upgrade Commands sudo apt-get update : In a nutshell, apt-get update doesn’t actually install new versions of software. Instead, it updates the package lists for upgrades for…
IBM Guardium Installation and Upgrade Configuration
Basic Installation The IBM Guardium V10.1 Software Appliance Technical Requirements can be found here: http://ibm.co/2gd5ZRq. Additional installation detail can be found here: http://ibm.co/2h0exMw.
Install Portainer to Manage Containers – Nginx, MySQL, WordPress
Portainer is a lightweight management UI which allows you to easily manage your different Docker environments (Docker hosts or Swarm clusters). It is meant to be as simple to deploy…
IBM Guardium: Basic Configuration(License, NTP, SMTP, Data Related, Backup, Schedule, LDAP, Syslog)
This post is a summary for those basic IBM Guardium configuration. The IBM Guardium products provide a simple, robust solution for preventing data leaks from databases and files, helping to…
IBM Guardium: Create an Alert / Policy / Classification
An alert is a message indicating that an exception or policy rule violation was detected. Alerts are triggered in two ways: A correlation alert is triggered by a query that…
Troubleshooting WordPress Installation or Configuration Issue
Redhat Openshift made a change from Openshift online 2 to online 3. Deadline is end of Sep 2017. My blog www.51sec.org which was hosted at Red Hat Openshift Online 2…
Install Nginx, MariaDB, PHP (LEMP) and WordPress on GCP Free Tier Ubuntu
I was using LAMP for my WordPress blog for quite a few years. Because of Google Cloud Platform free tier VM’s limitation (614M Memory and 1 vCPU), my website always…
Find Real IP of a Website Behind CDN
There are more and more websites using CDN (Content Delivery Network) to help deliver their contents to end users. It is faster, safer and more reliable. At the same time,…
Migrate WordPress Site from Ubuntu 16.04 to Ubuntu 18.04 at GCP VM and Cloud DB
I were using Ubuntu 16.04 as my web server and mysql server for quite a few years. They are all in the same server , either running in a docker…