42After a reboot the journal is empty. How does journald decide what to keep, and how do you fix retention?▼easyNewTCSInfosysRed Hat◆ premiumVolatile by default on many distros, size-capped by silent policy, binary on disk. Know the storage modes, the vacuum knobs, and how journald feeds central logging.Open full answer →
25A service on a VM dies and restarts every few minutes, and the team has shrugged for weeks. Find the actual cause.▼easyNewTCSInfosysIBM◆ premiumThis one separates people who read journals from people who restart harder. The exit code and signal systemd already recorded usually name the disease.Open full answer →