How to fix “iproute conflicts with kernel” issue
The recent version of the iproute package is not supported by some old kernels so it brought a new conflict to updates. The symptoms are […]
VPS – Server Linux
codeigniter 404 page not found on live server
codeigniter 404 page not found on live server laravel 404 page not found on live server MVC 404 page not found on live server if […]
iptables round robin
This uses the iptables nth extension. The following example load balances the HTTPS traffic to three different ip-address. For every 3th packet, it is load […]
How to install the Pagespeed Nginx module in Directadmin
Mod_pagespeed is an open-source Apache HTTP Server (or Nginx) module, which automatically applies chosen filters to pages and associated assets such as stylesheets, JavaScript, and HTML […]
IDRAC issue – not responding to HTTP/HTTPS err_connection_refused
I recenlty ran into an issue with a Dell iDRAC — it was not running the web interface, and so I was not able to […]
Installing LSI MegaRaid Storage Manager on Debian
install some prerequisite packages apt install alien Download LSI raid controller from Broadcom wget https://docs.broadcom.com/docs-and-downloads/raid-controllers/raid-controllers-common-files/17.05.00.02_Linux-64_MSM.gz Installing LSI MegaRaid Storage Manager on Debian tar xvf 17.05.00.02_Linux-64_MSM.gz […]
Dumping MySQL Stored Procedures, Functions and Triggers
Mysqldump mặc định sẽ backup toàn bộ triggers nhưng không backup stored procedures/functions. Để backup stored procedures/functions bạn cần add option –routines mysqldump -u <database_user> […]
mariadb galera cluster không join được node service start operation timed out
MariaDB Galera Cluster over IPSec Khi cài Galera cluster trong trường hợp nếu trước đó 1 server đã được cài và có dữ liệu thì […]
zimbra services are not running on admin monitor
Khi sử dụng Zimbra chúng ta có thể gặp trường hợp trong command status của các dịch vụ báo running nhưng trên admin monitor báo […]
Kiểm tra blacklist email Server
Blacklist check Bạn muốn kiểm tra email address, domain hoặc IP address của email server có đang bị blacklist bởi các tổ chức chống spam […]