dungdt88

## For example: ssh-keygen -H -F google.com
ssh-keygen -H -F <hostname>

dungdt88

#!/bin/sh

### BEGIN INIT INFO
# Provides:	  nginx
# Required-Start:    $local_fs $remote_fs $network $syslog $named
# Required-Stop:     $local_fs $remote_fs $network $syslog $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the nginx web server
# Description:       starts nginx using start-stop-daemon

dungdt88

## Install Docker Engine (need sudo)
wget -qO- https://get.docker.com/ | sh

sudo usermod -aG docker <username>

## Install Docker Compose
curl -L https://github.com/docker/compose/releases/download/1.6.2/docker-compose-`uname -s`-`uname -m` > docker-compose
sudo mv docker-compose /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

dungdt88

To set environment to manage a remote host

eval "$(docker-machine env dev)"

In which dev must be already registered in docker-machine. Says IP address of dev machine is 192.168.99.101, and API is exposed on port 2376, then the command above is equivalent to following commands:

dungdt88

## Create a new Bridge network
docker network create --driver=bridge --subnet=172.17.0.1/24 --gateway=172.17.0.1 --ip-range=172.17.0.0/24 network-name

dungdt88

I don't know how to reset Archiva admin password -.- My work around is to create a new admin by deleting Archiva's user database.

Steps

1. Delete Archiva user database. Don't forget to make a backup.

 mv /archiva-root/data/databases/users /archiva-root/data/databases/users_bak

dungdt88

firewall-cmd --permanent --zone=public --add-rich-rule='
  rule family="ipv4"
  source address="192.168.0.0/16"
  port protocol="tcp" port="8080" accept'

Source: https://major.io/2014/11/24/trust-ip-address-firewallds-rich-rules/

Add interface docker0 to zone trusted

dungdt88

 chcon -R -t httpd_sys_content_t /path/to/directory
 chcon -R -t httpd_sys_content_rw_t /path/to/directory

dungdt88

Create the CA Key and Certificate for signing Client Certs

openssl genrsa -des3 -out ca.key 4096
openssl req -new -x509 -days 1095 -key ca.key -out ca.crt

Create the Server Key, CSR, and Certificate

openssl genrsa -out server.key 4096
openssl req -new -key server.key -out server.csr

dungdt88

Update Time

date +%T -s "HH:mm:ss"

For example:

date +%T -s "15:28:00"