Ubuntu19.10 を新規Installしてみました。ソースはこちらです。
root@1910:~# uname -r
5.0.0-15-generic
root@1910:~# php -v
PHP 7.3.4-2 (cli) (built: Apr 13 2019 19:05:48) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.4, Copyright (c) 1998-2018 Zend Technologies
with Zend OPcache v7.3.4-2, Copyright (c) 1999-2018, by Zend Technologies
root@1910:~# curl -V
curl 7.64.0 (x86_64-pc-linux-gnu) libcurl/7.64.0 OpenSSL/1.1.1b zlib/1.2.11 libidn2/2.0.5 libpsl/0.20.2 (+libidn2/2.0.5) libssh/0.8.7/openssl/zlib nghttp2/1.37.0 librtmp/2.3
Release-Date: 2019-02-06
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps pop3 pop3s rtmp rtsp scp sftp smb smbs smtp smtps telnet tftp
Features: AsynchDNS IDN IPv6 Largefile GSS-API Kerberos SPNEGO NTLM NTLM_WB SSL libz TLS-SRP HTTP2 UnixSockets HTTPS-proxy PSL
root@1910:~# samba -V
Version 4.10.0-Ubuntu
root@1910:~# cat /etc/os-release
NAME=”Ubuntu”
VERSION=”19.10 (Eoan Ermine)”
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME=”Ubuntu Eoan Ermine (development branch)”
VERSION_ID=”19.10″
HOME_URL=”https://www.ubuntu.com/”
SUPPORT_URL=”https://help.ubuntu.com/”
BUG_REPORT_URL=”https://bugs.launchpad.net/ubuntu/”
PRIVACY_POLICY_URL=”https://www.ubuntu.com/legal/terms-and-policies/privacy-policy”
VERSION_CODENAME=eoan
UBUNTU_CODENAME=eoan
root@1910:~#wo