Suddenly, the OLS 1.8.3 on my CloudLinux 9 was dead. In stderr.log, there are these lines
2025-06-25 00:04:01.202 [STDERR] 2025-06-25 00:04:01.140229 Cgid: Child process with pid: 3927493 was killed by signal: 1, core dump: 0
2025-06-25 00:04:01.492 [STDERR] 2025-06-25 00:04:01.492104 Cgid...