Finally I have decided to upgrade my current High Sierra to Mojave to get newer version of Xcode and also to support the multiple monitors with Targus USB-C dock station. I have heard people had various issues after upgrade to Mojave, so I am a bit unsure it is worth doing it. It took me … Continue reading Cannot Connect to App Store after Upgrade to Mojave (10.14.5)
Category: Others
A wrong way of using Vault
We recently had a Vault issue. It is Vault with HA, the data store is Consul. One day the Consul cluster went offline, and we noticed there are a few OOM errors in the logs. The servers have been running fine and no stress on the memory utilisation for quite a while. There must be a … Continue reading A wrong way of using Vault
Generate pfx file for Windows box
Personal Information Exchange (.pfx) file is a certificate format that contains both public cert and private cert, it is normally used in Windows platform. For example, IIS only supports to import certificate in pfx format. If you have you private key in PEM format, and public certificate in cert format (DER encoded). Then you use … Continue reading Generate pfx file for Windows box
7 Years Anniversary of the blog
I did not realize that Today is the 7 years anniversary of my tech blog 'Jackie Chen's IT workshop', until I received the achievement award from WordPress. It is interested to find out my first blog article is 'Allow owner to manage distribution list in Exchange 2010'. Not sure how many organisations are still running … Continue reading 7 Years Anniversary of the blog
Apple Watch 3 Review
I was a bit struggling to decide which watch to buy, Garmin or Apple Watch? If you are in the same dilemma, here is my suggestion: Garmin watch is a sports watch, while Apple watch is a smart watch but with sports features. If you are very sporty, Gamin watch might be a better choice. … Continue reading Apple Watch 3 Review



