Rockchip up and run
(This post is not provided details install step, Its contain my experience to arm backed SBC.) When I'm in china for business trip, I found some SBC (Single Board Computer)…
Remote coding and run script from Ipad
Why? As you known, I pad has lightweight, easy carry on and long time use battery. I just want to use my Ipad for coding, and deploy some terraform script.…
k8s metalLB stranger behavior
Synopsis: Tenant claim about first request to NGINX return bad gateway Architecture: Internet ------> NGINX(proxy by hostname) ------> K8S cluster, float IP metalLB NGINX log 2023/10/04 12:51:37 [error] 18641#18641: *416…
How fast as ram as
I recently builded a new host in cluster. For hosting a lot of VM, I setup 128GB memory (my friend need a large mem for running AI model).I used ramdisk…
AWS site to site VPN
Architect Onpremis server <--> opnsense <--vpn site to site--> aws VPC static routing ipsec tunnel x2 virtual firewall appliance (opnsense) Testing Auto reconnect when office network temporary disconnect Speed test…
Personal cloud desktop
Requirement: Browsers access base Unlimited Operating system Network security, user access security Network control, ad-block dns >>>Design<<< System architecture Virtual machine Remote Desktop gateway Testing Redhat linux Windows desktop Problems…
Simple way to transfer data to m-cloud
Requirement: Simple operation for non-professional users Client-less No need to file service like next cloud, gg driver etc.. >>>Design<<< Protocol select ProtocolEvaluateFTP (File transfer protocol), SFTP (FTP over SSH), FTPS…
Announcement Min-Cloud upstream network (all done)
Before: Rakuten 光 (DSL line not over 100Mbps)Because copper line technology 100Mbps half duplex. Higher ping in rush hour ... Pic 00. DSL line After: Real 光 line (after Sep…
System maintenance 2022 Aug 25
Min-Cloud is scheduled for maintenance from 2022 Aug 25 to Sep 15 . Part of service will going down during this period and We apology for any inconvenience caused. Time:…
Protected: Graduate thesis
6 years from this... Abstract of thesis In recent years, transportation is becoming a serious issue in developing countries including Vietnam. Some issues can be mentioned as weak transport infrastructure,…