If you’re facing an EC2 boot issue after Terraform deployment, you’re not alone. In my recent experience using Rocky Linux 9 on AWS EC2, everything worked perfectly after provisioning — until I rebooted. The instance failed to come back online due to a missing NVMe driver in the initramfs, resulting in a kernel panic. Here’s … Read more
Confluence database restoration can be tricky, especially when you encounter permission errors. I just wrapped up a challenging restoration project and wanted to share some key insights that might save you hours of troubleshooting. The biggest challenge? Database privileges. Our restore kept failing with this error: This happens because the SQL dump contains DEFINER clauses … Read more
If you encounter the following error while using AWS Vault: Follow these steps to resolve it. Step 1: Remove the Existing Profile Clear the credentials and sessions for the problematic profile. Step 2: Add the Profile Again Re-add the profile and provide valid AWS credentials (Access Key ID and Secret Access Key). Step 3: Validate … Read more
Using toys to explain these three placement groups: In short:
Aku dapat error ini masa tengah nak extend filesystem application. Jadi aku tengok balik apa yang salah. Kalau tengok betul-betul dari output lsblk di bawah kita boleh nampak yang type disk untuk mount point /opt/prod_jira adalah lvm. Jadi dekat sini kita kena guna konsep LVM. Di sini kita tengok saiz disk nvme1n1 adalah 80G. Jadi … Read more
Hari ini aku baru sahaja deploy satu script untuk aku sentiasa update AWS Security Group ( AWS SG ) dengan dynamic IP. Script ini akan di’execute” setiap minit menggunakan cron supaya AWS SG akan sentiasa dikemaskini dengan IP yang terbaru. Ini juga demi mengelakkan sebarang kehilangan data berlaku. Script ini bukan aku yang bina tetapi … Read more