Bill-tran

How To Install OpenSSL 1.1.1 on CentOS 7

This tutorial goes through how to install openssl 1.1.1 on CentOS 7, since the yum repo only installs up to openssl 1.0.

Requirements

Upgrade the system

yum -y update

kralicky

Harvester GPU Provisioning

0. Install Harvester, then SSH into the server.

1. Edit /boot/grub/grub.cfg as follows:

 set default=0
 set timeout=10
 

Raouf25

version: '3'
services:
  postgres:
    container_name: container-postgresdb
    image: postgres
    hostname: postgres
    ports:
      - "6543:5432"
    environment:
      POSTGRES_USER: postgres

yaocw2020

Harvester SNAT Problem

Problem Description

Harvester leverages the Kubernetes service to provide the load balancer for the service in the Harvester virtual machines. The backend servers of the load balancer are the <VM IP>:<service port>.

cw-harv:/home/rancher # kubectl get svc
NAME                        TYPE           CLUSTER-IP      EXTERNAL-IP    PORT(S)        AGE
default-nginx-lb-db9bdca5 LoadBalancer 10.43.113.238 80:32586/TCP 4h32m

bayzi

#!/bin/sh

DateStamp=$(date +%d%m%y)

BackupDirectory="/data/configdb/backup"
mkdir -p $BackupDirectory

sslCAFile="/data/configdb/mongodb-ssl-cert.pem"
DATABASE='database'
USERNAME='user'

aafaque33

stages:
    - build

create_badge_svg:
  stage: build
  image: python:3.6.6
  tags:
    - docker
  script:
    - echo "Python other dependencies installation"

y0ngb1n

Docker Hub 镜像加速器

国内从 Docker Hub 拉取镜像有时会遇到困难，此时可以配置镜像加速器。

Dockerized 实践 https://github.com/y0ngb1n/dockerized

1️⃣ Docker daemon 配置代理（推荐）

参考 Docker daemon 配置代理

DahlitzFlorian

FROM python:3.7.2-alpine

RUN pip install --upgrade pip

RUN adduser -D worker
USER worker
WORKDIR /home/worker

COPY --chown=worker:worker requirements.txt requirements.txt
RUN pip install --user -r requirements.txt

holmberd

Kill user tty/pts sessions in Linux

Commands

• w: show who is logged on and what they are doing
• who: show who is logged on
• tty: show current users pseudo terminal
• ps -ft pts/1: get process id for the pseudo terminal
• pkill: signal process based on name and other attributes

ernoaapa

#!/bin/sh
# 
# Print Pods which are Pending or not Ready for some reaosn
# 

kubectl get pods --all-namespaces -o go-template='{{ range  $item := .items }}{{ range .status.conditions }}{{ if (or (and (eq .type "PodScheduled") (eq .status "False")) (and (eq .type "Ready") (eq .status "False"))) }}{{ $item.metadata.name}} {{ end }}{{ end }}{{ end }}'