Olavi Kuusela https://kuusela.dev/ Notes on storage, backups, C++ and small server infrastructure. en Your SQLite backup is fine until it isn't https://kuusela.dev/blog/your-sqlite-backup-is-fine-until-it-isnt/ https://kuusela.dev/blog/your-sqlite-backup-is-fine-until-it-isnt/ Mon, 14 Sep 2026 09:00:00 +0300 How a nightly cp of a WAL-mode SQLite database silently loses writes, and what to do instead. Reading a WAL file in a hex editor https://kuusela.dev/blog/reading-wal-files/ https://kuusela.dev/blog/reading-wal-files/ Tue, 02 Jun 2026 09:00:00 +0300 Frames, salts and checksums of the SQLite write-ahead log, with a short script to walk the file. Notes from a year on a five-euro VPS in Helsinki https://kuusela.dev/blog/five-euro-vps-helsinki/ https://kuusela.dev/blog/five-euro-vps-helsinki/ Wed, 18 Mar 2026 09:00:00 +0200 What actually broke on a cheap VPS over a year, and why the boring setup won. A makefile is enough CI https://kuusela.dev/blog/makefile-is-enough-ci/ https://kuusela.dev/blog/makefile-is-enough-ci/ Tue, 27 Jan 2026 09:00:00 +0200 For one person and one small project, a makefile with five targets is plenty. Packing structures in C++ without surprises https://kuusela.dev/blog/packing-structures-in-cpp/ https://kuusela.dev/blog/packing-structures-in-cpp/ Fri, 05 Dec 2025 09:00:00 +0200 Padding, alignment and the static_assert lines that catch layout mistakes at compile time.