Renew Kubernetes certificate for 10 yearsWhen you run kubeadm certs check-expiration, usually you will see that the certificate validity expires one year later since the date of…Jul 5, 2022Jul 5, 2022
SG Must-Have Apps — Referral LinksIf you are a true blue Singaporean riding the endemic wave in 2021, these apps are a must have in your life. From shopping to savings and…Oct 26, 2021Oct 26, 2021
Generate file hash for specific files on your computer on a large scaleAfter a long discussion, I was tasked by my boss to find out any open source program that can perform this activity.Feb 22, 2021Feb 22, 2021
Vertica Cluster Node RecoveryDuring my work with Vertica database, I have encountered some of these scenarios that can be resolved easily if you are able to identify…Feb 2, 2021Feb 2, 2021
Configuring Auditctl on CentOS to monitor GCC logs (or anything really)Auditing changes on a Linux Operating System might seem like a daunting task. It is not — really. Especially after understanding how…Nov 2, 2020Nov 2, 2020
Simplified Vertica Copy Cluster ConfigAfter working with Vertica database for about a year, I came to realized that there is a backup method called “copycluster”. Ref…Jul 9, 2020Jul 9, 2020