thuvh

How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

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Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

thuvh

[Desktop Entry]
Categories=Development;
Comment=Supercharge your API workflow
Exec="/home/hauthorn/Programs/Postman/Postman"
Icon=/home/hauthorn/Programs/Postman/app/resources/app/assets/icon.png
Name=Postman
Terminal=false
Type=Application
Version=1.0

thuvh

[Desktop Entry]
Version=1.0
Name=Telegram Desktop
Comment=Official desktop version of Telegram messaging app
TryExec=/opt/Telegram/Telegram
Exec=/opt/Telegram/Telegram -- %u
Icon=telegram
Terminal=false
StartupWMClass=TelegramDesktop
Type=Application

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thuvh ALL=(ALL) NOPASSWD: ALL

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Generate ssl certificates with Subject Alt Names on OSX

Open ssl.conf in a text editor.

Edit the domain(s) listed under the [alt_names] section so that they match the local domain name you want to use for your project, e.g.

DNS.1   = my-project.dev

Additional FQDNs can be added if required:

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generate data for hive table

echo "generating sample data for hive table"
echo {-1..-181451}hours | xargs -n1 date +"%Y-%m-%d %H:%M:%S" -d >> /tmp/dates.data
echo {-1..-18145}minutes | xargs -n1 date +"%Y-%m-%d %H:%M:%S" -d >> /tmp/dates.data
echo {-1..-1825}days | xargs -n1 date +"%Y-%m-%d %H:%M:%S" -d >> /tmp/dates.data
cat /tmp/dates.data | while read LINE ; do echo $LINE,"user"$((1 + RANDOM % 10000)),$((1 + RANDOM % 1000)) >> /tmp/hive_user_table.data; done

create hive table

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Kubernetes Commands

Helper setup to edit .yaml files with Vim:

• VIM Setup for Yaml files

List of general purpose commands for Kubernetes management:

• PODS
• Create Deployments

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from sys import stdin, stdout
from math import floor
def main():
    global n,m,a
    n,m=[int(x) for x in stdin.readline().split()]
    a=[]
    for i in range(m):
        a.append([int(x) for x in stdin.readline().split()])
    g=[]
    G=[]

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#include <iostream>

using namespace std;

int main(){
    int a = 3;
  
    int *p, *q;
    p = &a;
    q = p;

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/*
 * For your reference:
 *
 * SinglyLinkedListNode {
 *     int data;
 *     SinglyLinkedListNode* next;
 * };
 *
 */
SinglyLinkedListNode* insertNodeAtTail(SinglyLinkedListNode* head, int data) {