Category Archives: Uncategorized

Oracle Recovery Service the mystery and the solution to RPO

References Manage Backup and Recovery Sample Databases Tutorials Introduction to Oracle ZDLRA Disaster Recovery in OCI Database Resiliency with Autonomous Database Recovery Oracle Base Database Service is Getting Zero Data Loss Recovery Zero Data Loss Autonomous Recovery Service backup configuration Zero Data Loss Recovery Autonomous Prerequisites Policies at root compartment Allow service database to manage […]

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All About Ubuntu and WSL

Installation and Upgrades Installed version $lsb_release -a https://learn.microsoft.com/en-us/windows/wsl/disk-space Available Disk space wsl.exe –system -d <distribution-name> df -h /mnt/wslg/distro Compact vdisk: PS>diskpart DISKPART>select vdisk file=”pathtoext4.vhdx” DISKPART>compact vdisk DISKPART>detail vdisk DISKPART>expand vdisk maximum=<sizeInMegaBytes> DISKPART>exit Expanding $sudo mount -t devtmpfs none /dev mount | grep ext4 $sudo resize2fs /dev/sdX <sizeInMegabytes>M $sudo apt install resize2fs $resize2fs 1.44.1 (24-Mar-2021) Filesystem […]

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OCI Labs

Tenancy Setup VCN:VCN-ACADEMY 10.10.0.0/16 Subnets:  academy-edge: 10.10.4.0/24 – public internet academy-guacamole: 10.10.3.0/24 – guacamole tiers (guacd, mysql, guacamole) -private academy-services: 10.10.2.0/24 fileshare mount targets – private student-<class>: 10.10.101.0/24 Student pool of servers – private Setup Apache Guacamole (remote desktop over HTTP) Docker Git Repository : git@github-hahlabs:hahlabs/guacamole.git Create docker network $docker network create guac-net  run guacd […]

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Developing on AWS

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo. References Key Features Related Services Fault Injection Simulator (FIS) for EC2 AWS REST API AWS REST API Signing requests with Access Key SigV4, integrity –hash values, prevents replay attack (timestamp limit long time to arrive)  REST API […]

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