Но если вдруг...
висит в просторах интернетов на сервачке с KVM бубунтовая (18.04) виртуалка
И время от времени умирает на ней апач (2.4.29)
При том грохается очень интересно - со всем пользователем:
Mar 31 02:55:22 some-pc systemd[1]: Stopping User Manager for UID 1000...
Mar 31 02:55:22 some-pc systemd[7751]: Stopped target Default.
Mar 31 02:55:22 some-pc systemd[7751]: Stopped target Basic System.
Mar 31 02:55:22 some-pc systemd[7751]: Stopped target Timers.
Mar 31 02:55:22 some-pc systemd[7751]: Stopped target Sockets.
Mar 31 02:55:22 some-pc systemd[7751]: Closed GnuPG cryptographic agent and passphrase cache (restricted).
Mar 31 02:55:22 some-pc systemd[7751]: Closed GnuPG cryptographic agent (ssh-agent emulation).
Mar 31 02:55:22 some-pc systemd[7751]: Closed GnuPG cryptographic agent and passphrase cache.
Mar 31 02:55:22 some-pc systemd[7751]: Stopped target Paths.
Mar 31 02:55:22 some-pc systemd[7751]: Closed GnuPG network certificate management daemon.
Mar 31 02:55:22 some-pc systemd[7751]: Closed GnuPG cryptographic agent and passphrase cache (access for web browsers).
Mar 31 02:55:22 some-pc systemd[7751]: Reached target Shutdown.
Mar 31 02:55:22 some-pc systemd[7751]: Starting Exit the Session...
Mar 31 02:55:22 some-pc systemd[7751]: Received SIGRTMIN+24 from PID 28082 (kill).
Mar 31 02:55:22 some-pc systemd[1]: Stopped User Manager for UID 1000.
Mar 31 02:55:22 some-pc systemd[1]: Removed slice User Slice of someusr.
Mar 31 02:55:22 some-pc systemd[1]: apache2.service: Main process exited, code=exited, status=1/FAILURE
Mar 31 02:55:22 some-pc systemd[1]: apache2.service: Failed with result 'exit-code'.