Nagios is an open source powerfull tool to monitor your hosts and services. It easy very easy to configure and use. You can also setup email notifications, SMS notifications and if you can run little bit python scripts you can also setup whatsapp notifcations. However, whatsapp notifcations are not officially by nagios but python script…
To enable SSL on your website first you need to install SSL on your server. Install SSL Certificates 1. First edit ssl file in apache2 directory. root@Linoide:~# vim /etc/apache2/sites-available/default-ssl.conf Add these lines: <VirtualHost> ServerAdmin webmaster@localhost DocumentRoot /var/www/html Servername linoide.com Serveralias www.linoide.com </VirtualHost> Change your SSL file location on these lines SSLCertificateFile /etc/letsencrypt/live/linoide.com/fullchain.pem SSLCertificateKeyFile /etc/letsencrypt/live/linoide.com/privkey.pem 2….
It is important to use SSL to make your website encrypted. In this method, I will show you how to install SSL in Ubuntu 16.04. First, you need to install certbot tool by the below command root@Linoide:~# apt update root@Linoide:~# apt install letsencrypt 2. Now Generate wildcard SSL using certbot tool. root@Linoide:~# certbot certonly –manual…
LVM: Logical Volume Group, It helps to extend the existing filesystem. To extend the filesystem, free space should available in the Volume group. If free space is not available then you need to add new PV(physical volume) and then create a new Volume Group (VG). Now let’s see how to extend using ‘lvextend’ Step:1 Type ‘lsblk’…
About XenServer Citrix XenServer is the complete virtualization platform. XenServer runs directly on server hardware without requiring any Operating System, which results in an efficient and scalable system. XenServer lets us create VMs, take VM disk snapshots and manage VM workloads. Benefits of Using XenServer 1. We can build and manage multiple VMs on…