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An Error has occured during the migrations System.ArgumentNullException: Value cannot be null. (Parameter ‘connectionString’)
I have the following piece of code In my Program.cs, I have the following I did a publish on a CentOs7. When I am running my application using the command: I have the following error: I do not understand why is the value of my connection string null when I hardcoded directly it in the application. What could …
Can we update some object without stopping the program?
There is a program written in C++ and running in linux box. It has a configuration file given to it at starting point. I came to know that it can sometime support updating the configuration file without the need to stop the program. As the configuration update means eventually updating some of the objects(mem…
Error while linking static library to test script
I’m building a static library for a small project, and when I compile it with ar, it correctly links. When I go to include the relevant header file and link the test script to the archive; I get linker errors; Running ar t libuttu.a returns My test script includes the main header file, uttu.hpp, which i…
Unable to compile kernel module: no .ko file output
I’ve built an android kernel (source code), now I’m trying to cross-compile a kernel module for it, v4l2loopback to be precise. I’ve used this toolchain to build the kernel (kernel version is 4.9). Here on github you can see that someone actually succeeded in compiling the module, and I̵…
How to specify x509 certificate for Azure SDK in Golang
I am trying to connect to use the Azure SDK for Golang to download files from a container online to my device and am using the connection string provided from azure to connect. For context this is running on a version of embedded Linux I have two questions, first how do I pass a specific certificate to the az…
Error: Package: caddy-2.4.6-1.el9.x86_64 (copr:copr.fedorainfracloud.org:group_caddy:caddy) Requires: libc.so.6(GLIBC_2.34)(64bit)
Am trying to get ssl working on my ec2 instance, but sudo yum caddy install tells me i need to have Requires: libc.so.6(GLIBC_2.34)(64bit) which by the way i cant find a way to install it on linux ec2 server Answer I had the same issue, but was able to successfully install it by building it from source: https…
Get string between two regex
I have a string that is like that(comes from a curl command’s body): The server returns an xml Sometimes this strong can become or some other error: I’m wonder what would be the best way to grep the status code 200 and if it is not 200. Give an error like “Status code is 500 with error: java…
The sed command is not working with regex
I’m parsing the output of a HTTP GET request with sed to retrieve the contents of a given html tag. The result of that request is like this: “<!DOCTYPE html><html><body><h1>Hello!</h1><p>v1.0.4-b</p></body></html>” And I want to retrieve …
install python-dev on kali for python2.7
my the initial task is to install pcapy for python2.7. But I get error error: command ‘x86_64-linux-gnu-gcc’ failed with exit status 1 after googling, I found three basic tips on how to solve the problem: 1 ) install libffi-dev But its already installed: libffi-dev is already the newest version (3…