Monitor Azure virtual machines with RDP

This article will guide you on how to monitor virtual #machines #RDP using Azure.
You can View performance directly from an Azure VM:
1. In the #Azure portal, select Virtual Machines.
2. From the list, choose a #VM and in the #Monitoring section choose Insights.
3. Select the #Performance tab.

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How to use Ionic Auth Guard to Login and Rout to pages

This article will guide you on how to create Login and Routing to pages using #Ionic Auth Guard.
Auth-guard makes use of CanActivate interface and it checks for if the user is logged in or not. If it returns true, then the execution for the requested route will continue, and if it returns false, that the requested route will be kicked off and the default route will be shown.
To create a login page in ionic 4:
1. GETTING STARTED. After making sure you have the latest version on Ionic and Cordova installed, let's go and create an #app now and integrate authentication in it.
2. Update app/app. #module.
3. Create User Model.
4. Updating Services.
5. Add #Auth #Guard.
6. Update Pages.

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How To use Systemd to Sandbox Processes On Ubuntu 20 04

This article will guide you how to #Sandbox #Processes on Ubuntu 20.04 with Systemd for Lighttpd using different methods. Here we made the #lighttpd program more secure by using the #systemd sandboxing options. You can use these techniques with any process that systemd manages allowing you to continue to improve the #security of your system.

#Sandboxing is designed to prevent #threats from getting on the #network and is frequently used to inspect untested or untrusted code.

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Handle Errors in Serverless Applications with AWS

This article will guide you how to handle #errors in Serverless Applications with AWS Step Functions. Combining AWS Step Functions with AWS Lambda makes it simple to orchestrate #AWS #Lambda functions for serverless applications.

To help you deal with errors in Lambda applications, Lambda integrates with services like #Amazon CloudWatch and AWS X-Ray. You can use a combination of logs, metrics, alarms, and tracing to quickly detect and identify issues in your function code, API, or other resources that support your application.

Lambda functions can fail in three cases:

i. An unhandled exception is raised — whether if we received an invalid input, an external API failed, or just a programming bug occurred.

ii. Timeout — Lambda running longer than the configured timeout duration is violently closed with a ‘Task timed out after … seconds’ message. The default value is 6 seconds, and the maximal value is 5 minutes.

iii. Out of memory — In this case, the lambda usually terminates with ‘Process exited before completing request’. The ‘Memory Size’ is equal to ‘Max Memory Used’.

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PHP-FPM Code and FileSystem Layout for EasyApache 4

This article will guide you on how PHP FastCGI Process Manager (PHP-FPM) daemon works. PHP-FPM Code and FileSystem Layout for EasyApache allows the website to handle loads. 

As PHP-FPM receives a proxied connection, a free PHP-FPM worker accepts the web server's request. PHP-FPM then compiles and executes the PHP script, sending the output back to the web server. Each PHP user can have its own separate pool of worker processes for handling PHP requests.

FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features (mostly) useful for heavy-loaded sites. These features include:

i. Ability to start workers with different uid/gid/chroot/environment.

ii. listening on different ports and using different php. ini (replaces safe_mode).

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