tainguyenbp

vsftpd [Very Secure File Transfer Protocol Daemon] is a popular FTP server for Ubuntu. we will install and configure vsftpd on Ubuntu 18.04 / 19.10. 

*** Install vsftpd

sudo apt update && sudo apt install vsftpd

*** Once installed, check the status of vsftpd

tainguyenbp

My Elasticsearch cheatsheet with example usage via rest api (still a work-in-progress)

Shortlinks:

• Cluster Health
  • Index Level
  • Shard Level
• Nodes Overview
• Indices Overview
• Cluster Maintenance

tainguyenbp

Semantic Versioning

Details:

• SemVer

• APR

Versions are denoted using a standard triplet of integers: MAJOR.MINOR.PATCH. The basic intent is that MAJOR versions are incompatible, large-scale upgrades of the API. MINOR versions retain source and binary compatibility with older minor versions, and changes in the PATCH level are perfectly compatible, forwards and backwards.

tainguyenbp

Install a 3-Node Kubernetes Cluster on Centos 7

This setup uses 3 machines:

1. Centos7
2. 100GB HDD
3. 32 GB RAM
4. 8 CPU

All Machines

tainguyenbp

# to generate your dhparam.pem file, run in the terminal
openssl dhparam -out /etc/nginx/ssl/dhparam.pem 2048

tainguyenbp

The fastest remote directory rsync over ssh archival I can muster (40MB/s over 1gb NICs)

This creates an archive that does the following:

rsync (Everyone seems to like -z, but it is much slower for me)

• a: archive mode - rescursive, preserves owner, preserves permissions, preserves modification times, preserves group, copies symlinks as symlinks, preserves device files.
• H: preserves hard-links
• A: preserves ACLs

tainguyenbp

version: "3.3"
services:

  gitlab-ce:
    image: 'gitlab/gitlab-ce:latest'
    restart: always
    hostname: 'rafaelsoares.ddns.net'
    environment:
      GITLAB_OMNIBUS_CONFIG: |
        external_url 'http://rafaelsoares.ddns.net:9080'