https://blog.plzhans.com/en/tags/oracle/Recent content in Oracle on plzhans blogHugoenThu, 03 Sep 2026 07:31:00 +0000https://blog.plzhans.com/en/posts/115-oracle-cloud-always-free-a1-instance-ssh-security/Fri, 10 Jul 2026 03:44:00 +0000https://blog.plzhans.com/en/posts/115-oracle-cloud-always-free-a1-instance-ssh-security/<p><picture> <source srcset="https://blog.plzhans.com/posts/115-oracle-cloud-always-free-a1-instance-ssh-security/assets/1_39922a0f-7e83-80a9-bd69-fd5331deb6ba_hu_7ad136a9444b2fe3.webp" type="image/webp"> <img src="https://blog.plzhans.com/posts/115-oracle-cloud-always-free-a1-instance-ssh-security/assets/1_39922a0f-7e83-80a9-bd69-fd5331deb6ba_hu_5281d24a72c09176.png" alt="A representative image showing the process of creating an Oracle Cloud Always Free A1 instance and setting up a public IP and SSH security" width="1200" height="670" loading="eager" fetchpriority="high"> </picture></p> <h2 id="overview">Overview</h2> <p>This post summarizes how to create an A1 (ARM) instance on the Oracle Cloud Infrastructure (OCI) Always Free tier.</p> <p>As of the date this post was written (2026-07-10), the always-free spec is 2 OCPUs, 12GB memory, and 200GB disk.</p> <p>Even if you split the OCPU quota to run two instances, you can still stay within the free tier.</p>