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Configuring DR Replica

Open failover cluster manager Right click the Cluster -> Select "Configure Role"  ...

Linux - Netplan

This new tool replaces the static interfaces (/etc/network/interfaces) on ubuntu 18.04 DHCP net...

Linux Routing

Routing View routes ip route ip route Adding a route ip addr add 192.168.1.100/24 dev eth0 ...

Arch install notes (uEFI & Nvidia)

Before starting the bootable media, if you are on a GTX 10XX, the interface will not load properl...

Add IP on vSwitch

So you installed hyper-v and you need to configure your NIC with your public IP and your secondar...

Nagios NRPE

Downloading Nagios Core: https://www.nagios.org/downloads/nagios-core/thanks/?t=1500128149 Inst...

cPanel Notes

Useful scripts Restart ssh from URL http://11.22.33.44:2086/scripts2/doautofixer?autofix=safe...

DB's and Users

Create a DB CREATE DATABASE new_database; Drop a DB DROP DATABASE new_database; Create a new ...

Adding a LVM Cinder Volume

  mkfs.ext /dev/md0 mkdir /cinder-vol mount /dev/md0 /cinder-volumes dd if=/dev/zero of=/cind...

Ansible

This Wiki page is a list of examples based of this project i created, for the full project detail...

MySQL Replication

*** TESTED FOR CENTOS 7 *** NEED TO HAVE PORT 3306 OPENED! -- MASTER = 10.1.2.117, SLAVE = 10.1....

Regular expressions

SED Character Description ^ Matches the beginning of the line $ Matches the end of th...

Exim - Find Spam

  To get a sorted list of email sender in exim mail queue. It will show the number of mails send...

Firewalld

Zones Pre-defined zones within firewalld are: drop: The lowest level of trust. All incoming c...

iptables

iptables arguments -t = table, -X = del chain, -i = interface Deleting a line: iptables -L --l...

Verifying CMS versions

WordPress version: Linux/cPanel: find /home/*/public_html/ -type f -iwholename "*/wp-includes/v...

Software Raid

Create raid: Raid levels can be changed with: --level=1 // --level=0 // --level=5 Raid 1 mdadm...

Grub

Normal grub install (root@server) # grub     GNU GRUB version 0.97 (640K lower / 3072K upper ...

SSL .htaccess

WordPress <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{HTTPS...

Update a port in Neutron

  To update a port in neutron you can do the following: neutron port-update --fixed-ip su...