Author Archives: dongthao

About dongthao

"Man does not simply exist but always decides what his existence will be, what he will become the next moment"

Alternate solution for O365 – Kopano

Posted on February 4, 2021 by dongthao

I’m trying to experiment myself with alternative solutions for O365. The first good candidate I think is Kopano Groupware. Kopano page: https://kopano.com/ Download Univention server + Kopano appliance: https://kopano.com/downloads-demo/?demo=Kopano+ONE&headline=Appliances&target=Univention The good thing is Kopano solution is integrated with Univention Corporate Server (UCS) which … Continue reading →

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Completed SETC Senior I

Posted on February 4, 2021 by dongthao

Dec 10th was the day I passed the Committee review for SETC Senior. It took almost a month since I submitted my PSE, almost a year since I focused on writing my PSE and almost 3 years since I started … Continue reading →

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Matching Excel files with PowerShell – Part 2

Posted on July 29, 2020 by dongthao

The next day, I was in good mood and decided to learn about function. I would change my code into a function. Now to make it easier as I have many PCOwner files to compare, I placed all those files … Continue reading →

Posted in Windows Tutorial | Leave a comment

Matching Excel files with PowerShell – Part 1

Posted on July 29, 2020 by dongthao

I received a list of leavers in an Excel sheet with 2 columns: GIN and Country, I need to provide LDAP aliases of those GINs. The challenge was those GINs were already removed from LDAP system so LDAP queries couldn’t … Continue reading →

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Open BitLocker drive with Linux

Posted on June 10, 2020 by dongthao

Using Dislocker on Kali Linux install: apt install dislocker Step 1: Copy the BitLocker encrypted volume.% dd if=/dev/sda2 of = encrypted.bitlockerThis will copy the entire volume located into /dev/sda2 to encrypted.bitlocker Step 2: Unlock Bitlocker encrypted drive.% dislocker-file -V encrypted.bitlocker … Continue reading →

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Summary 31 Mar 2020

Posted on March 31, 2020 by dongthao

Watched Full Ethical Hacking Course – The Cyber Mentor till 6:18:49 Scanning tool: Nmap Intensive scan all ports: Nmap -T4 -A -p- <IP> Should review the previous sessions to do summary notes Kali Virtual Box crashed! Removed VB to reinstall … Continue reading →

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Back to coding

Posted on December 30, 2019 by dongthao

From September, when I got Scrum Master cert, I got involved into 2 PowerApps projects. I had the autonomy to define my role in those projects so I decided to be Scrum Master of 1 project to apply the new … Continue reading →

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How “free” wifi hotspots track your location

Posted on November 4, 2019 by dongthao

My post in the company Cyber Security Yammer group. How “free” wifi hotspots track your location The price for “free” Wifi hotspot Nowadays, “free” Wifi hotspot can be found everywhere, in shopping malls, restaurants, cafes, airports etc. This of course … Continue reading →

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SCRUM Master Certification

Posted on September 23, 2019 by dongthao

I failed the first time and passed the second time, after retaking the mock exam many times and review the materials carefully. Nice experience.

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SCRUM Master Training

Posted on August 30, 2019 by dongthao

I’ll attend Professional SCRUM Master class next week in Kuala Lumpur. Time to upgrade my portfolio. To prepare, I’ve studied a pathway in Degreed, and did the Scrum open asssessment. Here are some good references: Open assessments Scum Guide Tips … Continue reading →

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