system admin Archives - Gnome IT Solutions

Oct172020 by dineshNo Comments

How to install mcrypt for PHP 7.2 and PHP 7.3 on Centos 7(cPanel)

centos, cPanel

how easy it is to install mcyrpt for PHP 7.2 and PHP 7.3 via Pecl for Easy Apache4 on Centos 7(cPanel). PHP officially deprecated mcrypt as of PHP 7.1 and this causes issues for sites whos CMS still requires it but want to run later PHP versions. More about that official notice is here. Mcrypt installation process Install epel-release repoInstall libmycrpt and libmcrypt-devel rpms needed for the PHP extensions.Update all Pecl php versions.Install Mcrypt PHP extensions via Pecl for PHP72 and PHP73Restart Apache/Litespeed to activate the extensions Install epel-release repo if you do not already have it installed yum install epel-release Install libmycrpt and libmcrypt-devel rpms needed for the PHP extensions. yum install libmcrypt libmcrypt-devel Update all Pecl php...

Oct112020 by dineshNo Comments

Proxmox Cloud-Init OS template creation

GNOME LATEST POST, Proxmox

In this guide we will go over creating a Proxmox KVM Template from a Cloud Image. This same process will work for any Cloud-Init Openstack based image type you can find online. Having done a number of these for our Proxmox based VPS service I wanted to post up a guide to help anyone else looking to do the same thing. My workflow for customizing one of those for use with Proxmox with cloud-init deployment from WHMCS and root login is below. Once you setup one template you can rapidly reinstall new containers and test stuff. Setup Environment If not installed already installed you will need libguestfs-tools : apt-get install libguestfs-tools To edit the image before importing. We will use virt-edit which is a part of libguestfs-tools. For the sake of ...

Oct112020 by dineshNo Comments

How to add storage to Proxmox

Proxmox

Using an HDD for the proxmox host, the VMs and the containers was causing delays and long iowait.After upgrading to an SSD there was a spare 1TB hard drive that could be used for storing containers that write constantly big chunks of data to the hdd,something that can cause increased wear to the ssd. Since the needs are not complicated the setup is simple and does not use raid,zfs etc. After the hdd setup, an elasticsearch stack container with netflow analysis was moved to the hdd,and although the read speeds do not match the performance of the containers running from the ssd, the hdd not having anything else running has an amazing increase in data read compared to the previous setup where the proxmox host and the VMs were based on the same hdd.This tutorial covers the following sub...

Oct92020 by dineshNo Comments

Install LEMP Stack on Debian

Ubuntu

Install LEMP Stack on Debian 9Today we are going to guide you install LEMP stack to brand new Debian GNU/Linux 9 Stretch. LEMP stands for Linux, Nginx (as in Engine X), MySQL and PHP. From Debian 9, Mariadb is the default mysql server. But you can also choose mysql for installation. It is the counterpart of more popular LAMP stack except instead of Apache httpd we use nginx. Earlier we have tried LEMP stack on Ubuntu and docker container. Installing Nginx, Mariadb and PHPInstallation of nginx, MariaDB and PHP by bellow command line from bash terminal apt install nginx mysql-server mysql-client php-fpm php-mysql libfcgi0ldbl Now start all needed services with systemd and enable them to start at boot # systemctl start php7.0-fpm nginx mysql # systemctl enable php7.0-f...

Oct92020 by dineshNo Comments

How to Enable exec() in PHP-FPM?

centos, Other Linux, Ubuntu

Sometimes the exec() function is not working after turning on the PHP-FPM and in php configuration file we could not find any disable functions. If we turned off the PHP-FPM the exec function is working again. If you are facing such issues, please follow the below steps. First, you need to verify the PHP-FPM is enabled on the domain that facing the issue. Please follow the steps. 1) Login to WHM. 2) Navigate to MultiPHP Manager to check whether the domain is using PHP-FPM or not. 3) From that page, you can verify that the domain is using PHP-FPM. Now you have verified that PHP-FPM is on the server. So you need to follow the steps to enable exec() in PHP-FPM. 1) Login to server via SSH. 2) Check the PHP version of the server using the below command. #php -v 3...

Oct82020 by dineshNo Comments

Install Taskwarrior (terminal based todo application) on Ubuntu/Centos

centos, Ubuntu

Taskwarrior is Free and Open Source Software that manages your TODO list from your command line. It is flexible, fast, efficient, and unobtrusive. It does its job then gets out of your way.If you spend a lot of time on terminal (as a developer or system administrator) then constantly switching to a web app or another GUI based todo applications may not be a very productive thing to do. In that case, you may want to try a simple command line application instead.Ubuntu based distribution If you want to install Taskwarrior (terminal based todo application) on Ubuntu And Mint Linux enter following command: $ sudo apt-get install todo -y Centos based distributionTo install taskwarrior on CentOS 6.x/7.x first enable epel repository and type following command: $ sudo yum install epel-re...