Windows log with Graylog 4
Config in graylog Go to System > Inputs, click “Select input” dropdown, and select “GELF UDP.” Tick “Global”. Give […]
DoS – TCP SYN cookies attack
The TCP Syn is DoS (Denial of Service) attack. It consumes resources on your Linux server. The attacker begin with […]
Integrate Certbot to 3CX on Debian
1. install snapd on Debian $ sudo apt update $ sudo apt install snapd $ snap install core […]
Backup LAMP (Website file and database) with script and crontab
The script to backup database file and website file: #! /bin/sh TMP=”/tmp/” #Format the date in YEAR-MO-DY format TODAY=`date +%d%b%Y` […]
SendMail Config
Introduction Sendmail is a common email transfer agent. It has been around since 1983 and is still widely used on […]
3CX share provisioning folder via samba service, TFTP service
First we figure out the provisioning folder, by default which is: /var/lib/3cxpbx/Instance1/Data/Http/Interface/provisioning/[ProvSupDir]/firmware/ Create samba service: sudo apt-get update sudo […]
Drupal installation
The directory sites/default/files does not exist. An automated attempt to create this directory failed, possibly due to a permissions […]
Linux system config
Change your timezone # mv /etc/localtime /etc/localtime.backup # ln -s /usr/share/zoneinfo/Europe/Brussels /etc/localtime You need to substitute the lines in bold with your […]
Transparently redirect root folder to a sub folder
Enable mod_rewrite Module The mod_rewrite module is enabled by default on CentOS 7. If you find it is not enabled […]
Install LAMP ( Linux, Apache, Mysql (MariDB) , PHP)
Install LAMP would be the basic skill for a Linux admin. Step 1: Install Apache Server with Basic Configurations […]