通过VCP(VMware Certified Professional)认证

通过VCP(VMware Certified Professional)认证，去年参加了VMware的培训，今年通过VMware Certified Professional (`2V0-21.20`)的考试，拿到证书。

Embedded Linux S3C2440 – USB Gadget Drivers

Summary Tested on Embedded Linux S3C2440 target board to be configured as USB device, like USB mass storage and serial cable, the test result was successful. And tried to test S3C2440 board as USB Host, I didn’t get successful result. Basics S3C2440 supports 2-port USB host interface as follows, – OHCI Rev 1.0 compatible. – […]

Flicker allows 1,000 photos and videos maximum now

I was always using Flicker to upload the photos and picture to be used in my blog entries. Flicker is a very good platform to share the photos, very easy to use. There was a embed function, but I didn’t use the embed code, just copy out the image address and use it directly in […]

Received renewed certificate of CISSP

Just received my new CISSP certificate, it was renewed and It will expire on 21 October 2021.

I was at ITSM Leadership Summit 2018 on 6th July 2018

Summary I was at ITSM (IT Service Management Forum) Leadership Summit 2018 on 6th July 2018, it was one day event, got the voucher through ISC2 Singapore chapter. The event was all related to IT service, seems not related to my domain. Mr Patrick Tay Assistant Secretary – General | NTUC opening speech. Keynote Speaker […]

Passed AWS Certified Solutions Architect – Associate exam on 1st Feb.2017

Summary Passed AWS Certified Solutions Architect – Associate exam on 1st Feb.2017, registered AWS web service account one year ago, purchased the Udemy course by SGD 15, went through the course, practice with the free tier usage, the actual study time was less than three months on and off, passed the exam finally. Preparation A […]

Shrink existing /home LVM with xfs format

Summary ProblemNo free sectors available install xfsdump dump the home system to temhomedump umount home delete create and format with shrank size mount restore home successful result reduced to 10G from 108G problem still exist cannot create new partition below action will crash the root system Refernce Summary If you require to shrink the file […]

VirtualBox Guest Additions install on Ubuntu and RHEL

Ubuntu is quite popular, just installed the Ubuntu 14.04 LTS in the VirtualBox 5.0.16, and I was trying to install the Guest additions to enable the mouse move in and out freely, copy and past bidirectional, seamless mode etc. Various attempts to do so, failed many times, finally got the way, below was the methods […]

Passed Zend Certified PHP Engineer Examination

Just passed the Zend 200-550 Certified PHP engineer Exam on 19th March Saturday. I bought the exam voucher from Zend website on 24th Jan.2016, cost me US$195, there was complementary Zend Studio – Basic – Perpetual license w/ 12 months support comes with the exam voucher, so you can download the Zend Studio and register […]

AWS RHEL7 FTP setup by VSFTPD

Have setup the FTP server at AWS RHEL by VSFTPD, procedure as below, 1, Open up the FTP ports at the AWS EC2 instance. Add two Custom TCP Rules with port ranges 20-21 and 1024-1048 2, VSFTPD install and configuration yum install vsftpd vim /etc/vsftpd/vsftpd.conf anonymous_enable=NO # from YES change to NO #add following four […]