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Journalctl

On newer Linux systems, especially Fedora based, journalctl often replaces the syslog output in /var/log/messages.

Monitoring syslog

Monitor new syslog entries (similar to tail -f /var/log/messages):

journalctl -f

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Visual Studio Code Notes

Remote SSH

Add proxy details for the remote host to use when loading extensions. Details are added to the settings.json on the remote host.

"http.proxy": "proxy_url:port"

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Using Conda

Creating a new environment. In this example, the environment is setup to use python 3.10

    $ conda create --name py10 python=3.10

Activating an environment

 $ conda activate py10

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# Read N lines of input, splitting each line and storing the result in a numpy array.
import numpy as np

a = np.array([input().split() for _ in range(N)], int)

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Rust Snippets

Pass a Vec<> by reference to a function

let data: vec![0u8; 1024];
foo(data.as_ref()); // Passes an immutable slice

fn foo(data: &[u8]) {
    ...
}

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#include <iostream>
#include <stdint.h>
#include <x86intrin.h>

#include "ippcp.h"
#include "examples_common.h"

#define DATA_SIZE   1024*1024
#define DIGEST_SIZE 32
#define ITERATIONS  10000

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#![allow(non_upper_case_globals)]
#![allow(non_camel_case_types)]
#![allow(non_snake_case)]

include!("../bindings.rs");

fn main() {
    unsafe {
        let size = fooGetCtxSize();
        println!("Ctx Size: {}", size);

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#include <iostream>
#include <string>
#include <thread>
#include <mutex>
#include <condition_variable>

std::mutex m;
std::condition_variable cv;
std::string data;
bool ready = false;

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project(cpp_condition)

set(CMAKE_CXX_STANDARD 17)

add_executable(cpp_condition cpp-condition.cpp)

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package main

import (
	"bufio"
	"fmt"
	"os"
	"strings"
)

func main() {