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Well, now that I have a nice service that centralizes my logs, I might as well add windows event viewer:

Download and install this on servers that need to return their logs: https://nxlog.co/system/files/products/files/348/nxlog-ce-2.10.2150.msi

Add a little confirguration:C:Program Files (x86)nxlog-confxlog.conf

<Extension gelf="">xm_gelf module</Extension>

<Input win>im_msvistalog module
	Query <QueryList><Query id="0"><Select path="Application">*</Select></Query></QueryList>Exec $Hostname - hostname();

<Input in_sys>im_msvistalog module
Query <QueryList><Query id="0"><Select path="System">*</Select></Query></QueryList>Exec $Hostname - hostname();


<Output graylog="">
om_tcp module
Host 192.168.1.119
Port 12201
OutputType GELF_TCP
</Output>

<Route graylog_route="">
Path win > graylog
</Route>

<Route graylog_route="">
Path in_sys > graylog
</Route>

It gives me an error message at the beginning: "WARNING Due to a limitation in the Windows EventLog subsystem, a query cannot contain more than 256 sources." that's why I had to add the

<QueryList><Query id="0"><Select path="Application">*</Select></Query></QueryList>

(thanks to https://nxlog.co/question/4644/nxlog-service-keep-stopping-every-few-days)

Today I recreated a docker container with graylog:

docker run --name mongo -d mongo:4.2

docker run --name elasticsearch -e "http.host-0.0.0.0" -e "discovery.type-single-node" -e "ES_JAVA_OPTS-Xms512m -Xmx512m" -d docker.elastic.co/elasticsearch/elasticsearch-oss:7.10.2

docker run --name graylog4 --link mongo --link elasticsearch -p 9000:9000 -p 12201:12201 -p 1514:1514 -e GRAYLOG_HTTP_EXTERNAL_URI"http://192.168.1.119:9000/" -d graylog/graylog:4.0

I added an input

Then I created a C-app with visual studio, added some nuggets

A little bit of code:

private void button3_Click (object sender, EventArgs e)
{
var configuration - new Microsoft.Extensions.Configuration.ConfigurationBuilder ()
.AddJsonFile ("appsettings.json")
.Build();        
Logger logger - new Serilog.LoggerConfiguration
                        .ReadFrom.Configuration (configuration)
            .CreateLogger();

while (true)
        {
            var line - "cuckoo";

Logger.Warning ("some warning: 'test'), line);
            Logger.Information ("some warning: 'test'), line);
        }
    }

And lo and behold, I added my first information in graylog

Not to mention the appsettings.json file

Today, we have merged two projects, one in .net core 2.2, the other in 3.1.

At the first launch, we got the information that Microsoft.AspNetCore.Razor.Design 2.2 was not compatible in .net core 3.1.

A forum told us that this bookstore was now integrated with .net core 3.1 and that it was enough to remove it from the project with the help of the nugget manager.

During the 2nd launch, we were able to launch the application, but on the first call of a method: boom:

We then added in Startup.cs > ConfigureServices method:

Services.AddMvc (option > option.EnableEndpointRouting - false)

And now the webservice is usable.

Thanks to https://stackoverflow.com/questions/57684093/using-usemvc-to-configure-mvc-is-not-supported-while-using-endpoint-routing