Trouble with building opendkim from slackbuilds.org on slackware current

On slackware current there are two openssl libs: $openssl version OpenSSL 1.1.1d 10 Sep 2019 $openssl-1.0 version OpenSSL 1.0.2t 10 Sep 2019 $ls /usr/lib64/openssl-1.0 engines include -> /usr/include/openssl-1.0/openssl/ libcrypto.so -> libcrypto.so.1.0.0 libcrypto.so.1 -> libcrypto.so.1.0.0 libcrypto.so.1.0.0 -> ../../../lib64/libcrypto.so.1.0.0 libssl.so -> libssl.so.1.0.0 libssl.so.1 -> libssl.so.1.0.0 libssl.so.1.0.0 -> ../../../lib64/libssl.so.1.0.0 $ls -all /usr/lib64/libssl.so /usr/lib64/libssl.so -> libssl.so.1.1 Headers /usr/include/openssl-1.0/openssl/ /usr/include/openssl/…

“No space left on device: AH00023: Couldn’t create the mpm-accept mutex” when restarting httpd [on hold]

My server sometimes gets filled up with connections in apache stuck in a “Sending Reply” state, requiring me to restart apache. Most of the time this works, but sometimes I will get this error when trying to restart apache instead: Job for httpd.service failed because the control process exited with error code. See “systemctl status…