HPE SmartArray won’t boot

Perhaps you’ve forgotten to set the bootable logical drive.. and here is how

Recently, I did a chassis swap due to hardware issue. On the new chassis, the system won’t boot from disks. Quickly, I booted up the server with grml and confirmed the drives and filesystems are ok. I even did a chroot and grub2-install to reinstall the boot sector / loader. Still, this chassis went straight to network boot, as if the disk array do not exist.

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Sharing AWS NAT Gateway with multiple VPCs

If you already have multiple VPCs connected through Transit Gateway, we can leverage that and share one NAT gateway with other VPCs.

NAT gateway is a gateway device and performs NAT for outbound traffic. Every private subnet needs a NAT gateway to access the internet. In most cases, it is a good idea to have 2 or more NAT gateways in a VPC, diverse across AZs. That gives the maximum redundancy. But in some cases, cost may be a higher priority. If you already have multiple VPCs connected through Transit Gateway, we can leverage that and share one NAT gateway with other VPCs.

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Create nginx dav share for use with Enpass

setup private nginx dav share for Enpass.

Enpass is my favorite password manager. It works on Linux and Mac, and it can sync the password vault to cloud storage. Here, I’ll show you how to setup your own nginx dav share. I prefer not to store my passwords on public cloud.

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My adventure on MikroTik

Recently, I came across the MikroTik routers and so happen I need to troubleshoot a site-to-site VPN issue.

Recently, I came across the MikroTik routers and so happen I need to troubleshoot a site-to-site VPN issue. MikroTik providers the RouterOS for anyone to install in a virtual environment. There is also an AMI on AWS. Here I’ll demonstrate how to get it to connect to AWS VPN in no time.

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