Use OpenLDAP TOTP as authentication for VPN
For this setup, we will be using FreeRADIUS and compiled OpenLDAP from source along with the TOTP (Time-based One Time Password ) module on CentOS 7. We will...
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System
Manually building FreeRADIUS 3.0.21 with the rlm_sql_oracle module
We are going to manually build FreeRADIUS version 3.0.21 with ORACLE Module.
NextCloud 19.0.3 Installation with AD, Nginx, Redis, OnlyOFFICE, ClamAV and Cryptomator
We will install NextCloud version 19.0.3 in CentOS 7 along with Clamav version 0.102.4, MySQL DB version 8, PHP 7.4, Redis version 3.2.12 and Nginx as web se...
Confluence 7.8.3 Installation with Nginx and connect with LDAP Directory(AD) on CentOS 7
Confluence is a collaboration wiki tool used to help teams to collaborate and share knowledge efficiently. We will be installing Confluence 7.8.3 version on ...
Citrix XenServer 7.1 CentOS VM’s not starting after Kernel update
After I update my CentOS 7 VM kernel, the new kernel stopped booting on my XenServer hypervisor. I’ve been using XenServer version 7.1
Compile PHP 7.3.13 on CentOS 7 with OCI8 and MongoDB extension.
Compiling PHP version 7.3.13 with OCI8 and MongoDB extension on Centos 7.
How to enable TLS 1.3 on Nginx with OpenSSL Centos 7
Here, we are going to enable TLS 1.3 on CentOS 7.
Docker Compose file for MySQL and phpMyAdmin
Here we are going to deploy MySQL and phpMyAdmin container through Docker compose file and also access the MySQL container from the Docker host MySQLWorkbench.
How to Install YOURLS on CentOS 7 using NGINX + HTTPS
Check yourls.org! Learn more tweaks in the Wiki documentation.
Upgrading Firmware on Cisco UCS C-240-M3 Server using HUU (Host Upgrade Utility)
Follow below steps: Step 1: Download the HUU(Cisco Host Upgrade Utility) ISO software. Login with your credential and navigate to the following URL:cisco ...
How to change LVM Volume Group Name and Troubleshoot “dracut-initqueue timeout error” in CentOS 7
Follow the below steps to change Volume Group Name. Here I’m going to change my VG name from centos to fedora-01
Install GitLab Community Edition (CE) 11.10, Deploy SSL and Authenticate with ActiveDirectory on CentOS 7
Installing Gitlab CE 11.10 and authenticating with AD
Increase RAM for XenServer VM’s through Command Line Interface
Increasing RAM through CLI in XenServer VM’s
cPanel/WHM apache log to remote syslog server
cPanel/WHM Dom logs to remote syslog server
inode usages in cPanel /WHM Server
If your inode space is full in your cPanel/WHM server then follow below steps to clear the usages.
Enable/Disable Dell iDRAC7 web service from SSH
Enable/Disable Dell iDRAC7 web service using racadm command via SSH.
Move MySQL data to another folder cPanel/WHM
Change MySQL folder in cPanel/WHM Server.
Add VirtualDisk on Xen VM using XE command line
Steps to add VirtualDisk through XE command line.
ELK
Network Traffic Analysis using ElastiFlow
Introduction (NetFlow, IPFIX, sFLOW) Network monitoring is a systematic effort to monitor parameters of a computer network in order to detect issues that deg...
Binding privileged port 514 to Logstash 7.10.0
Sometimes there comes a scenario where you need to receive syslog traffic in the default port 514 in your logstash server. But as we know ports in range 1 t...
Monitoring ElasticSearch Cluster using Prometheus and Grafana
We are going to monitor our production ElasticSearch Cluster using elasticsearch exporter plugin and store those metrics on the Prometheus server and later v...
Network
Install SmokePing 2.7.3 on CentOS 7
Smokeping Version 2.7.3 setup on CentOS 7
Installation of NagiosQL 3.3.0 on CentOS 7
Installing NagiosQL 3.3.0
Monitoring
Windows Machine Monitoring - Exchange, AD, DNS
If you are a system administrator, you might have to monitor Windows PC’s, Exchange Server, Active Directory and DNS Server. For this tutorial, I am using wi...
Monitoring PHP-FPM Pools through Prometheus and Grafana on CentOS 6 and 7
We are going to monitor metrics of our PHP-FPM pools through phpfpm_exporter and store those metrics on the Prometheus server and visualize it through Grafan...
Windows
Adding custom attributes in Active Directory
Schema is an Active Directory component, that defines Active Directory database structure. The schema consists of Object Class and Object Attributes. In this...