Postgresql Backup
How to backup and restore Postgresql databases using pg_dumpall and pg_dump.
Devops
Rollback Checked Exception in Spring Transaction
How to handle checked exceptions in Spring transactions to ensure rollback behavior.
![[CKA] 009. Security 2/2](https://zarate02.github.io/images/devops/2026/cka_huf6badc649a303b89fe1aab5c05b645d0_35929_1500x844_fill_q75_box_smart1.jpg)
[CKA] 009. Security 2/2
Service Account, Image Security, Security Context, Network Policy, CRD, Custom Controller, Operator Framework
[CKA] 008. Security 1/2
Authentication, TLS Certification, CertificateSigningRequest, kubeconfig, RBAC, Cluster Roles
[CKA] 007. Cluster Upgrade
drain, uncordon, cordon, upgrade control plane, backup etcd
[CKA] 006. Application Lifecycle Management
Rolling Update, Commands and Arguments, Env, ConfigMap, Secrets, Multi-Container Pod, HPA, VPA