CentOS 7 - No space left on device - AH01762 - Failed to create shared memory segment on file

Ошибка при попытке запустить Apache - httpd:

[Fri Jun 16 12:44:47.077523 2023] [auth_digest:error] [pid 1042680] (28)No space left on device: AH01762: Failed to create shared memory segment on file /run/httpd/authdigest_shm.1042680
[Fri Jun 16 12:44:47.077544 2023] [auth_digest:error] [pid 1042680] (28)No space left on device: AH01760: failed to initialize shm - all nonce-count checking and one-time noncesdisabled
[Fri Jun 16 12:44:47.077548 2023] [:emerg] [pid 1042680] AH00020: Configuration Failed, exiting

Решение - почистить все семафоры и поднять лимиты ядра Linux:

# ipcrm -a
# vi /etc/sysctl.conf
kernel.msgmni = 1024
kernel.sem = 250 256000 32 1024
# sysctl -p