joennlae

Steps to change the URL of Rancher installation and switch from a self-signed certificate to a certificate signed by recognized CA.

1. Change the Rancher server-url setting to the new URL:
   • Navigate to https://<old_rancher_hostname>/g/settings/advanced
   • Edit server-url to https://<new_rancher_hostname>
2. Clear the private CA certificate for the old certificate
   • Navigate to https://<old_rancher_hostname>/g/settings/advanced
   • Next to cacerts click context menu -> View in API
   • Click Edit
   • Clear the content of the value field

joennlae

An opinionated nextcloud ignore list for developers (sync-exclude.lst)

The latest nextcloud server versions will have ransomware detection automatically enabled, meaning that syncing common developer file types (e.g. .lock) will return errors.

Fatal webdav OCA\DAV\Connector\Sabre\Exception\Forbidden: Ransomware file detected. Prevented upload of ..py/bokeh/secrets.tar.enc because it matches extension pattern ".enc"

If you are syncing complex, nested work directories as a developer, the following

joennlae

Building a complete GNU toolchain

Things required:

• Linux headers: https://cdn.kernel.org/pub/linux/kernel/
• Binutils: https://www.gnu.org/software/binutils/
• GCC: https://www.gnu.org/software/gcc/
• glibc: https://www.gnu.org/software/libc/

Environment variables

joennlae

Sample config for 2 million web socket connection

    sysctl -w fs.file-max=12000500
    sysctl -w fs.nr_open=20000500
    # Set the maximum number of open file descriptors
    ulimit -n 20000000

    # Set the memory size for TCP with minimum, default and maximum thresholds 
 sysctl -w net.ipv4.tcp_mem='10000000 10000000 10000000'

joennlae

import { AfterViewInit, Directive, ElementRef, EventEmitter, forwardRef, Inject, Injectable, InjectionToken, Injector, Input, NgZone, OnInit, Output } from '@angular/core';
import { AbstractControl, ControlValueAccessor, FormControl, NG_VALUE_ACCESSOR, NgControl, Validators } from '@angular/forms';
import { Http } from '@angular/http';

declare const grecaptcha : any;

declare global {
  interface Window {
    grecaptcha : any;
    reCaptchaLoad : () => void

joennlae

import React from 'react';
import { View, ScrollView, Platform, Dimensions, StyleSheet } from 'react-native';
import { Icon } from 'react-native-elements';
import { Toolbar, ThemeContext, getTheme } from 'react-native-material-ui';
import Pdf from 'react-native-pdf';


export class StreckenScreen extends React.Component {
    
    constructor (props) {