lubry

Here are several different ways to test a TCP port without telnet.

BASH (man page)

$ cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_5.3
^C

$ cat &lt; /dev/tcp/127.0.0.1/23

lubry

1. Allow IP tertentu di Port tertentu FirewallD
Perintah:
firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="<IP ADDRESS/SUBNET>" port protocol="tcp" port="<PORT>" accept'

Contoh:
firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="123.123.123.123/32" port protocol="tcp" port="587" accept'

2. Hapus Rule diatas
Perintah:
firewall-cmd --permanent --remove-rich-rule='rule family="ipv4" source address="<IP ADDRESS/SUBNET>" port protocol="tcp" port="<PORT>" accept'

lubry

Berikut adalah tutorial cara konfigurasi resolver pada Ubuntu 20.04

1. Edit file resolver
# echo "nameserver 1.1.1.1" >> /etc/resolv.conf

2. Jalankan update dalam screen mode
# screen -amS update

3. Dalam mode screen jalankan perintah update
# apt-get update

lubry

Some part resources.xml code

<node name="NODE-NAME" hostname="HOSTNAME" osArch="amd64" osFamily="unix" username="root" ssh-keypath="/var/lib/rundeck/.ssh/id_rsa" ssh-authentication="privateKey"/>

Error Code in Rundeck when fail to connect SSH using Private Key:

Failed: SSHProtocolFailure: invalid privatekey: [B@2f7283d1
Execution failed: 8 in project PROJECT-NAME: [Workflow result: , step failures: {1=Dispatch failed on 1 nodes: [NODE-NAME: SSHProtocolFailure: invalid privatekey: [B@2f7283d1 + {dataContext=MultiDataContextImpl(map={ContextView(step:1, node:NODE-NAME)=BaseDataContext{{exec={exitCode=-1}}}, ContextView(node:NODE-NAME)=BaseDataContext{{exec={exitCode=-1}}}}, base=null)} ]}, Node failures: {NODE-NAME=[SSHProtocolFailure: invalid privatekey: [B@2f7283d1 + {dataContext=MultiDataContextImpl(map={ContextView(step:1, node:NODE-NAME)=BaseDataContext{{exec={exitCode=-1}}}, ContextView(node:NODE-NAME)=BaseDataContext{{exec={exitCode=-1}}}}, base=null)} ]}, status: failed]

lubry

root@master:/home/pi# cat /etc/apt/sources.list.d/docker.list 
deb [arch=armhf] https://download.docker.com/linux/raspbian stretch edge

root@master:/home/pi# cat /etc/os-release 
PRETTY_NAME="Raspbian GNU/Linux 9 (stretch)"
NAME="Raspbian GNU/Linux"
VERSION_ID="9"
VERSION="9 (stretch)"
VERSION_CODENAME=stretch
ID=raspbian

lubry

How to Configure Docker Private Registry in Jfrog Artifactory
@lubry
----

###In Jfrog Artifactory Server###
(*)in Jfrog Artifactory Dasboard login as admin.
(*)Create Docker Repostory for Docker
#[Create Repository] > [Quick Setup] > [Docker] > [Create]
(*)Check your docker client.
root@jfrogserver:~# docker info

lubry

#Create from template for windows server 2012 r2 with edit network
#by: Lubry
#module used: vsphere_guest
---
- hosts: localhost
  connection: local

  vars_prompt: 
  - name: username
    prompt: "Enter VMWare ESXi Username "

lubry

---
  - name: Create a VM from a template
    hosts: vmware-internal
       remote_user: root
       ansible_password: $password
    connection: local
    vars:
      vcenter_hostname: 10.0.50.49
      vcenter_user: root
      vcenter_pass: $password

lubry

Integrasi Jira dengan Jenkins
Oleh @lubry

Download MySQL Yum Repository pada halaman (http://dev.mysql.com/downloads/repo/yum/)

###Konfigurasi dan Instalasi Database MySQL untuk kebutuhan Jira###

[*]Install Yum Repository MySQL 5.7
sudo yum localinstall mysql57-community-release-el7-11.noarch.rpm

lubry

Requires: erlang >= 20.3


vi /etc/yum.repos.d/erlang-solutions.repo

Insert:
[erlang-solutions]
name=CentOS $releasever - $basearch - Erlang Solutions
baseurl=https://packages.erlang-solutions.com/rpm/centos/$releasever/$basearch
gpgcheck=1