CentOS8+nginx1.8+php7.4+oci8
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# dnf install -y dnf-utils http://rpms.remirepo.net/enterprise/remi-release-8.rpm
# dnf module list php
# sudo dnf module enable php:remi-7.4
# dnf install php-fpm -y
# systemctl start php-fpm ,  systemctl enable php-fpm, systemctl status php-fpm


# vi /var/www/html/index.php


# sudo yum install -y php php-fpm php-gd php-cli php-pear gcc curl-devel php-devel zlib-devel pcre-devel mariadb-connector-odbc libreoffice-base mariadb-java-client
# php-fpm -v


# vi /etc/yum.repos.d/nginx.repo

[nginx-stable]
name=nginx stable repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=1
enabled=1
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true

[nginx-mainline]
name=nginx mainline repo
baseurl=http://nginx.org/packages/mainline/centos/$releasever/$basearch/
gpgcheck=1
enabled=0
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true

# yum install -y nginx

# sudo firewall-cmd --permanent --zone=public --add-port=80/tcp
# sudo firewall-cmd --permanent --zone=public --add-port=81/tcp
# sudo firewall-cmd --reload

# systemctl start nginx , systemctl enable nginx


# sudo yum install php-oci8 
  /usr/lib64/php/modules/oci8.so 생성됨.

# vi /etc/php.ini
extension=oci8.so

[rpm 업로드]
oracle-instantclient-basic-21.3.0.0.0-1.el8.x86_64.rpm
oracle-instantclient-devel-21.3.0.0.0-1.el8.x86_64.rpm

# rpm -ivh oracle-instantclient-basic-21.3.0.0.0-1.el8.x86_64.rpm
# rpm -ivh oracle-instantclient-devel-21.3.0.0.0-1.el8.x86_64.rpm
# rpm -qa | grep oracle


# systemctl restart nginx
# systemctl restart php-fpm

확인
1. phpinfo()
Additional .ini files parsed
  /etc/php.d/20-oci8.ini (있으면 ok)
2. oci8활성화
  oracle-instantclient 설치하면 phpinfo oci8표시됨.

End
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[기타]
# dnf --enablerepo=remi install php74-php-oci8


instantclient,/usr/lib/oracle/21/client64/lib


# vi ~/.bashrc
ORACLE_HOME=/usr/lib/oracle/21/client64/lib
export ORACLE_HOME


# vi ~/.bash_profile
ORACLE_HOME=/usr/lib/oracle/21/client64/lib
export ORACLE_HOME


php -r "oci_connect();"