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Sunday, November 5, 2017

Upgrade Cisco 4500 Switches IOS and ROMM and Failed to Enable VSS (Virtual Switching System)

Netsec 11/05/2017 0 Comments

In one of my clients environment, there are two Cisco 4510 running and HSRP has been configured. It has been discussed to upgrade it to VSS ...

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Monday, October 23, 2017

Cisco

Cisco Catalyst 3850 Data Stack and Power Stack

Netsec 10/23/2017 0 Comments

Received a bunch of boxes for Cisco 3850, which will be used to build a switch stack for high availability switching environment. For 2960...

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Sunday, October 22, 2017

Cisco

Stacking Cisco Catalyst 2960X with 2960S

Netsec 10/22/2017 0 Comments

Working on stacking two Cisco 2060X switches recently, and two 2960X Stack module and 0.5m stacking cables received today. Product name is C...

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Thursday, October 19, 2017

Juniper

Juniper SRX DB mode (Debug mode)

Netsec 10/19/2017 0 Comments

During our regular maintenance, after rebooted one SRX345, and found it stuck at db mode, which is debug mode. After a short and quick ana...

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Friday, October 6, 2017

Windows

WAMP and Wordpress Install on AWS Free Tier Windows 2012 R2

Netsec 10/06/2017 0 Comments

AWS provides a 750 hours free tier on Windows machine. I am always wondering how to install wordpress on it to use this free tier instance...

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Saturday, September 30, 2017

Blog

LAMP and WordPress with HTTPS Certification Cloud Installation on Ubuntu

Netsec 9/30/2017 0 Comments

I have selected Ubuntu as OS platform to install my php, wordpress and mysql. It gave me lots of learning experience on Linux. Here is many ...

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Wednesday, September 27, 2017

Cloud

Launch and Access Amazon AWS EC2 Instances

Netsec 9/27/2017 0 Comments

Amazon Web Services (AWS) is a secure cloud services platform, offering compute power, database storage, content delivery and other functio...

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Sunday, September 24, 2017

Cloud

Create AWS Diagrams Online

Netsec 9/24/2017 1 Comments

I was looking for some online tools to create impressive AWS diagram for my learning process. Most of online diagram websites provide certai...

Building a 3S (Scalable, Stable and Secure) AWS Test Environment - Part 2

Netsec 9/24/2017 0 Comments

3. Building a scalable AWS architecture (ELB, ASG, RDS) Understand NAT Instance vs NAT Gateway create your security groups crea...

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Wednesday, September 20, 2017

Network

Top Internet / Networking Tools

ITProSec 9/20/2017 2 Comments

There are lots of useful sites which helps the troubleshooting procedures. I listed some common tools or websites used by myself. Please let...

Latest

NETSEC

Sunday, November 5, 2017

Upgrade Cisco 4500 Switches IOS and ROMM and Failed to Enable VSS (Virtual Switching System)

Monday, October 23, 2017

Cisco Catalyst 3850 Data Stack and Power Stack

Sunday, October 22, 2017

Stacking Cisco Catalyst 2960X with 2960S

Thursday, October 19, 2017

Juniper SRX DB mode (Debug mode)

Friday, October 6, 2017

WAMP and Wordpress Install on AWS Free Tier Windows 2012 R2

Saturday, September 30, 2017

LAMP and WordPress with HTTPS Certification Cloud Installation on Ubuntu

Wednesday, September 27, 2017

Launch and Access Amazon AWS EC2 Instances

Sunday, September 24, 2017

Create AWS Diagrams Online

Building a 3S (Scalable, Stable and Secure) AWS Test Environment - Part 2

Wednesday, September 20, 2017

Top Internet / Networking Tools

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