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Norckon's blog

Network

Host a website with non-Public IP computer

Host a website with non-Public IP computer
INTRODUCE In some reason, you may need host a website on your non-public IP computer. for Example, If you want to share your local website with your friends or develop a website with your friends together. or more. ngrok.com (Global) provided this service named ngrok, The same, tunnel.mobi also provided this ...

Norckon 2015-04-17 2017℃ 0 COMMENT 0 LIKE

Network

Set max login attempts for SSH

Set max login attempts for SSH
INTRODUCE For some security reason, we must set max login attempts for our server’s SSH server. But we can use a combination of ssh configuration and firewall settings. With the following solution an attacker is allowed to produce exactly 3 fault logins in 2 minutes, until he will be blocked for 120 se ...

Norckon 2015-04-17 879℃ 0 COMMENT 0 LIKE

Network

Monitoring The Raspberry Pi with MRTG

Monitoring The Raspberry Pi with MRTG
INTRODUCE As most of my Raspberry Pi cards are used headless – i.e. without a keyboard or monitor – I wanted to monitor what was happening remotely. In addition to monitoring the NTP Server operation, I’ve added general SNMP support (Simple Network Management Protocol) which has allow monito ...

Norckon 2015-04-17 2406℃ 0 COMMENT 1 LIKE

Server

L2TP/IPSec VPN client setup on debian family system

L2TP/IPSec VPN client setup on debian family system
  INTRODUCE L2TP/IPsec is a secure Virtual Private Network solution that is well supported on many different platforms. This article aims to describe in a HOWTO like fashion how to configure and use a L2TP/IPsec client on Debian family Linux. This article will cover the installation and setup of several ...

Norckon 2015-04-12 5598℃ 0 COMMENT 0 LIKE

Network

Setup Dnsmasq server as DNS server

Setup Dnsmasq server as DNS server
INTRODUCE Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. It is designed to be lightweight and have a small footprint, suitable for resource constrained routers and firewalls. It has also been widely used for tethering on smartphones and portable ...

Norckon 2015-01-12 1518℃ 0 COMMENT 0 LIKE

Programming

Raspberry Pi – Distcc

Raspberry Pi – Distcc
INTRODUCE distcc is a program that enables a single “master” computer (the Raspberry Pi in our case) to distribute its compiling load to other “helper” machines (a multi-core Ubuntu Linux machine) over the network. In standard mode, source files are preprocessed on the Raspberry Pi, c ...

Norckon 2015-01-12 1633℃ 0 COMMENT 0 LIKE

Network

Using upstream achieve php-cgi load balancing in nginx

Using upstream achieve php-cgi load balancing in nginx
INTRODUCE nginx is high performance web server and can works with php-cgi on Windows server, but appear not good. If multitask in one-time, php-cgi will be very slowly. because its running in one thread. Upstream can help nginx let multi php-cgi running in one time, and do more work in one-time. PREPARING In ...

Norckon 2015-01-12 1344℃ 0 COMMENT 0 LIKE

Network

Setup Samba server on Debian

Setup Samba server on Debian
INTRODUCE Samba is freely available, unlike other SMB/CIFS implementations, and allows for interoperability between Linux/Unix servers and Windows-based clients. INSTALL Install Samba server can be simply by one-line through apt-get $ sudo apt-get install samba CONFIGURATION Use vim edit configure file or ot ...

Norckon 2015-01-12 1386℃ 0 COMMENT 0 LIKE