The most common SSL certificates are defined by X.509. The digital certificates have different formats. Here’s a brief overview of several common formats of SSL certificates: PEM: private key or certificate CER: only certificate DER: only certificate CRT: only certificate PFX: private key and certificate P12: private key and certificate JKS: private key and certificateWięcej oSSL certificates – how to convert to different formats[…]
What Happens Between The Web Browser And Server A browser attempts to connect to a web site secured with SSL. The browser requests that the web server identify itself. The server sends the browser a copy of its SSL certificate. The browser checks whether it trusts the SSL certificate. If so, it sends a message to theWięcej oSSL certificates[…]
What Is Splunk? Splunk is a software platform to search, analyze and visualize the machine-generated data gathered from the websites, applications, sensors, devices etc. which make up your IT infrastructure and business. Your input data can be in any format for e.g. .csv, or json or other formats You can configure Splunk to give Alerts /Więcej oSplunk[…]
I have tried to learn Kafka 3 times already. The first time was Infoshare conference and superb lecture on Kafka. Then I thought it is strange architecture. 2nd time in my company during internal training, installed it at home and checked what is the flavour of it. It seemed like queue system, like TIBCO withWięcej oKafka and Kafka-connect[…]
” Niech ktoś uprzątnie wreszcie ten popiół! Gdzieś tu musi być Feniks…Bycie menedżerem w potężnej, lecz przeżywającej poważny kryzys firmie w branży IT to nie bułka z masłem. Nigdy nie wiadomo, co czeka Cię następnego dnia i czy jeszcze tam pracujesz. Ale dzień, w którym nagle dowiadujesz się, że z pracy odeszli dwaj Twoi przełożeni,Więcej o„Projekt Feniks”[…]
Elasticsearch is a distributed, free and open search and analytics engine for all types of data, including textual, numerical, geospatial, structured, and unstructured. Elasticsearch is built on Apache Lucene and was first released in 2010 by Elasticsearch N.V. (now known as Elastic). Known for its simple REST APIs, distributed nature, speed, and scalability, Elasticsearch isWięcej oElasticSearch, Kibana, Siren.io[…]
Prometheus is a metric collection tool that works with time series data. Prometheus can be easily used as main monitoring data source because it easily fits into most software architectures, integrates swiftly with most modern technologies, and is convenient to set up and maintain. Prometheus comes with a built-in database for collected time series data, aWięcej oPrometheus, Alertmanager, Grafana[…]
This blogpost should have been created long ago. I started learning AWS in February/March this year, from AWS help, AWS tutorials, created account in AWS Cloud for practise. I have also enrolled to AWS Poland channel and group. Here is the list of useful materials, which I have found during this journey: Kursy Cloud: https://www.youtube.com/c/KursyCloud/featuredWięcej oAWS list of materials[…]
Source: https://www.bluematador.com/learn/aws-cli-cheatsheet What is the AWS CLI? AWS CLI stands for Amazon Web Services Command Line Interface. When managing your AWS services there are a few options as far as tools go. Two of the most common options are using the AWS Console, or AWS CLI. The AWS Console is a web interface that youWięcej oAWS cheatsheat[…]
The best explanation ever of docker:https://cezarywalenciuk.pl/blog/programing/kurs/kubernetes-i-docker-wytlumacz-i-pokaz