Ham5ter

[defaults]

#  ___________________________
# < Stop the mad Cow disease! >
#  ---------------------------
#         \   ^__^
#          \  (oo)\_______
#             (__)\       )\/\
#                 ||----w |
#                 ||     ||

Ham5ter

---
- hosts: all
  tasks:
    - name: Creates daily Freshclam Cronjob
      cron: special_time="daily"
            name="Run Freshclam daily"
            cron_file="freshclam.sh"
            user="root"
            job="/usr/bin/freshclam --quiet"

Ham5ter

Set up HAProxy with Pacemaker/Corosync on Ubuntu 16.04

This Document roughly describes a HAProxy Cluster Setup on Ubuntu 16.04 based on an example Configuration with 3 Nodes

This Document is still work in Progress the Following Stuff still needs to be done:

• Explain the crm configure steps
• explain Miscellaneous CRM Commands for Cluster Management
• Add all the external ressources used.
• Add a simple HAProxy Configuration for testing purpouse

Ham5ter

apt update && apt upgrade -y && apt remove unattended-upgrades -y && apt autoremove -y
apt-get clean
echo "blacklist floppy" | sudo tee /etc/modprobe.d/blacklist-floppy.conf
sudo rmmod floppy
sudo update-initramfs -u

Ham5ter

# Create `/boot/` on `/dev/sda`
parted /dev/sda mklabel msdos
parted -a opt /dev/sda mkpart primary ext4 0% 100%

# Create LVM with `/` and `/var/` on `/dev/sdb`
pvcreate /dev/sdb
vgcreate centos /dev/sdb
lvcreate -l 35%FREE -n root centos
lvcreate -l 60%FREE -n var centos
lvcreate -l 100%FREE -n swap centos

Ham5ter

# This Script enables all "offline" RAM and CPU ressources on linux
# If you i.e. added RAM to your Virtual Machine, you can use this one liner so that Linux detects the new offline RAM and adds it to its RAM Pool
# same for CPU's

grep -l offline /sys/devices/system/memory/*/state | while read line; do echo "online" > ${line}; done
grep -l 0 /sys/devices/system/cpu/cpu*/online | while read line; do echo "1" > ${line}; done

Ham5ter

#!/bin/bash
#
# Very simple Script that checks a configured DNS Record, 
# If it changed since the Last time this script was run, 
# it alerts a specified Mail Recipient
# http://tecadmin.net/ways-to-send-email-from-linux-command-line/
#

# Config Stuff
DOMAIN="example.com"

Ham5ter

Albianwarp Server

This Document describes the Requierements on the WarpServer given by the AlbianWarp Client

General idea

The Server should provide a JSON based API with Endpoints for Every Ressource the Server has to handle.

These Resources are:

Ham5ter

#!/bin/sh
sh -c 'sleep 5; xdotool type --delay 20 "$(xclip -o -selection clipboard)"'

Ham5ter

::
:: This Script install the check-mk-agent and adds a Firewall Rule to the local Windows Firewall to allow Access to it!
:: https://gist.github.com/Ham5ter/2a8526e843c72ff9343bc3a38cdac97e
::

:: Allow ICMP Echo (Ping)
netsh advfirewall firewall delete rule name="ICMP Allow incoming V4 echo request"
netsh advfirewall firewall add rule name="ICMP Allow incoming V4 echo request" protocol=icmpv4:8,any dir=in action=allow

:: Allow TCP Port 6556 (check-mk-agent)