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strcpy(3) can be safe. Some compilers, such as GCC and Clang, use a feature test macro, _FORTIFY_SOURCE, (see feature_test_macros(7) https://man7.org/linux/man-pages/man7/feature_test_macros.7.htm...
The reverse proxy is frankly a "best practice" architecture, not just for security but also for resource limiting of your hard-working application server. Often the reverse proxy will communicate ...
Add the following to /etc/containers/registries.conf: unqualified-search-registries = ["docker.io"] [[registry]] location = "docker.io" Now you can pull just like you would in docker: podm...
Unlike docker, Podman won't (understandably) use docker hub by default. You can use it explicitly like this: (just using a random example here, it's an OpenAPI linter) podman pull docker.io/dshanl...
When writing a dynamic web service, you broadly speaking have two paths: Use an existing web server (e.g. Apache, Nginx or Lighttpd) to handle the "raw" web requests and implement your own cod...
First, a reminder to future self (the figure RFC 3986, Section 3. Syntax Components complemented with Section 3.2. Authority): The following are two example URIs and their component parts: ...
Generallly (assuming no exploit is found) it's not possible to escalate the privileges of an already running process, except via code that itself has kernel level access (running in ring 0 - this i...
When you try to do a privileged systemd operation without the privilege, you get an escalation prompt: $ systemctl stop docker ==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ==== ...
Specification You understand correctly. Matrix is an interface for federated encrypted communication. From the first page of the spec: Matrix defines a set of open APIs for decentralised commun...
Ok I got it working again. The issue was that I had updated my kubeconfig file, and the current-context setting had changed. This setting essentially selects which cluster kubectl targets. Now th...
The annotation processor must be compiled before it can be used. This is not a problem if you're using it as a dependency from Maven Central, for example. If you want to use a custom processor, you...
Sometimes there are empty files named .gitkeep sprinkled around a repository. What are these files?
when I look at the type signatures, it is not supposed to work. The types work because they're parameterized. The types of the combinators involved are (renaming all parameters to be unique fo...
Theory Relative paths are relative to the current working directory of the Python process. This can be checked from within Python using the os.getcwd function and set using the os.chdir function. ...
General/program design: I would have expected a public header file with the API for the whole thing, rather than having some main() test case calling static functions from the same file. Sure,...
I have an Android 10 device where the OS is unlocked but the bootloader is not. I can't obtain the unlock code through the normal channels because of bureaucratic incompetence. Given that the devi...
You're very much on the right track. std::iter::FromIterator trait This trait is indeed what makes it work. In particular, both functions' return types implement the trait: std::result::Result&l...
I tried to check info bash but only got a copy of the man page. This is when I learned that I could apt install bash-doc to get the "full" Bash manual. After checking both the info pages and the m...
Software design in itself has always been on-topic, as per https://software.codidact.com/help/on-topic. As for system design for a given purpose, I think it is fine within reason. Contrary to popu...
The fundamental problem here is that it is already ambiguous where the "end" of the data in the buffer is. Strings can be empty (have zero length as reported by strlen); as such, buffer could equal...
What's wrong As Moshi's comment points out, single backticks only work for inline code (code that appears within a paragraph of other text, and contains no line breaks). The following raw text: ...
Matthew's list is pretty good, although I don't think one has to do all the things on it as a "minimum." I offer one minimum and a couple nice-to-haves. Some of these I have learned as a contributo...
I am trying to generate my own root CA certificate. Context My goal is to sign an intermediate CA with this certificate, and then install the intermediate CA on my own client machines. The interm...
TL;DR If we allow answers to be tagged with technologies and version numbers, people can more easily check if an answer is applicable to their technology stack. A few days ago, I had a problem in ...
PEP20 aka the Zen of Python has a statement: Namespaces are one honking great idea -- let's do more of those! What exactly are we supposed to "do" according to this? Is it saying we should h...
