The PHP development team has issued a critical security alert after identifying two vulnerabilities that could allow unauthenticated attackers to execute code remotely on…
Learn Oracle Database performance tuning using AWR, ASH, ADDM, Top SQL and execution plans. A practical guide to troubleshooting CPU, I/O, locks and slow…
A complete production-ready SOP for Oracle Database startup and shutdown procedures on Linux. Covers all startup modes, all shutdown modes, pfile vs spfile startup,…
A complete production-ready SOP covering Oracle Database architecture from the ground up. Covers physical and logical storage structures, Oracle instance components, SGA and its…
A complete production-ready SOP for Oracle Network and Connectivity administration on Linux. Covers tnsnames.ora, listener.ora, sqlnet.ora management, SCAN listener configuration in RAC, connection pooling…
A complete production-ready SOP for Oracle Database real-time performance tuning. Covers AWR, ADDM, ASH report generation and analysis, wait event analysis, SQL tuning with…
A complete production-ready SOP for upgrading Oracle Database from 11g/12c/18c to 19c on Linux. Covers pre-upgrade checks, preupgrade utility, upgrade methods, post-upgrade tasks, timezone…
A complete production-ready SOP for Oracle RMAN backup and recovery on Linux. Covers RMAN configuration, full and incremental backups, archivelog backups, backup to tape,…
A complete production-ready SOP for configuring Oracle Transparent Data Encryption (TDE) on Linux from scratch. Covers wallet creation, master encryption key generation, tablespace and…
A complete production-ready SOP for installing and configuring Oracle Enterprise Manager Cloud Control 19c on Linux from scratch. Covers OMS prerequisites, repository database preparation,…
A complete production-ready SOP for installing and configuring Oracle GoldenGate 19c on Linux from scratch. Covers GoldenGate architecture, source and target preparation, Manager configuration,…
A complete production-ready SOP for patching Oracle Data Guard 19c on Linux. Covers the rolling patch method using the standby-first approach, Grid Infrastructure patching…