We used have Singleton Design Pattern in our applications whenever it is needed. As we know that in singleton design pattern we can create only one instance and can access in the whole application. But in some cases, it will break the singleton behavior.
Microservices can have a positive impact on your enterprise. Therefore it is worth to know that, how to handle Microservice Architecture (MSA) and some Design Patterns for Microservices. General goals or principles for a microservice architecture.
Last few years has been a great year for API Gateways and API companies. APIs (Application Programming Interfaces) are allowing businesses to expand beyond their enterprise boundaries to drive revenue through new business models.
When two or many applications want to exchange data, they do so by sending the data through a channel that connects the each others.
Estimation for Software project development is the process of predicting the most realistic amount of effort (expressed in terms of person-hours or money) required to develop or maintain software based on incomplete, uncertain and noisy input.
Enterprise Data Integration is a broad term used in the integration landscape to connect multiple Enterprise applications and hardware systems within an organization. All these enterprise data integration lead to achieve to remove the complexity by simplifying data management as a whole.
If you’re familiar with SEIM tools or OSSEC, then you know syscheck. Syscheck is the integrity checking daemon within OSSEC. It’s purpose is simple, identify and report on changes within the system files.
The Linux kernel in Ubuntu provides a packet filtering system called netfilter, and the traditional interface for manipulating netfilter are the iptables suite of commands. The Uncomplicated Firewall (ufw) is a frontend for iptables and is particularly well-suited for host-based firewalls.
Count line when words has been matched
$ grep -c 'word' /path/to/file
Pass the -n option to precede each line of output with the number of the line in the text file
$ grep -n 'root' /etc/passwd
Ignore word case
$ grep -i 'word' /path/to/file
Use grep recursively under each directory
$ grep -r
$ grep -c 'word' /path/to/file
Pass the -n option to precede each line of output with the number of the line in the text file
$ grep -n 'root' /etc/passwd
Ignore word case
$ grep -i 'word' /path/to/file
Use grep recursively under each directory
$ grep -r
Finding the logs in my server. I generally use lsof to list what is my server.
lsof | grep log
I check which log are reading by OSSEC
Check cat /var/ossec/etc/ossec.conf |grep "<location>/"
Add new access log to OSSCE.
lsof | grep log
I check which log are reading by OSSEC
Check cat /var/ossec/etc/ossec.conf |grep "<location>/"
Add new access log to OSSCE.
