XecOps: The Unfinished Story of DevOps and Security Engineer

PostgreSQL Replication High Availability

Kali ini penulis mencoba untuk menulis lebih tepatnya sebagai catatan dari hasil oprek PostgreSQL High Availability. Untuk osnya penulis menggunakan CentosOS 7. Kebutuhan 4 VM: VM1: Node DB1 Vm2: Node DB2 VM3: Node ETCD VM4: Node HAProxy Di setiap node tambahkan ip dan hostname

thinkpad

Memperbaiki Thinkpad X1 Carbon Blinking Cursor

Berawal dari akhir tahun kemarin, laptop Thinkpad X1 Carbon tiba-tiba saat dihidupkan stuck blank screen dan blinking cursor. Mencoba menekan tombol F1 atau F2 dan kombinasi tombol Fn untuk akses ke bios ternyata sudah tidak bisa, saat itu hanya bisa mengakses Lenovo diagnostics melalui tombol F10.

minio

Install Dan Konfigurasi Minio Object Storage Server

Apa itu Minio? Minio adalah object storage server yang dirilis di bawah Lisensi Apache v2.0. Ini kompatibel dengan layanan penyimpanan cloud Amazon S3. Sangat cocok untuk menyimpan data tidak terstruktur seperti foto, video, file log, backup dan images kontainer/VM.

database

How to Replication Mysql Master to Master

Setting up hosts on VM1 and VM2, example: vim /etc/hosts Add: 192.168.57.201 saka.id 192.168.57.202 sira.id Configuration on VM1: mysql mysql> GRANT REPLICATION SLAVE ON *.* TO 'repl_user'@'%' IDENTIFIED BY 'secretpassword'; mysql> FLUSH PRIVILEGES; Configuration MySQL, disable config like (expire_logs_days, max_binlog_size dan bind-address).

linux

How to Change Icons and Themes in Endless OS

This first time i’m installing Endless OS, but i’m don’t like icons and themes default. Endless OS use Gnome Desktop Environment with customize, endless not yet fully include other gnome apps in repository.

linux

How to Install Manokwari Shell on Ubuntu 16.04/17.04

Manokwari is a desktop shell for GNOME 3. It features combined Gtk+ and HTML5 frontend (Gtk+ is legacy here and would be replaced totally with HTML5 in the future). It is an evolution from a shell called blankon-panel.

linux

How To Install Minimal Debian 9 (Stretch) Server with LVM

Guide to install minimal Debian server. You need to download ISO image, following this link: https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-9.0.0-amd64-netinst.iso Debian Base System This image installation need to stable internet connection. If you install on real machine, need to make bootable CD/DVD/USB Drive.

database

Backup MongoDB Database

Simple bash script to backup MongoDB database from production server to another backup server Create directories: $ mkdir ~/dump $ mkdir ~/script_backups Create base script, like backup-db.sh: $ touch ~/scipt_backups/backup-db.sh $ chmod +x ~/script_backups/backup-db.