systemctl stop elasticsearch
209systemctl restart elasticsearch

systemctl enable nginx.service#注意后面不能跟空格
systemctl enable php-fpm.service
systemctl enableelasticsearch.service
systemctl enable rsyncd.service
systemctl enable iptables.service
cd/lib/systemd/system/
chkconfig --list
systemctl list-unit-files

10.46.228.56
./soffice -headless -accept="socket,host=127.0.0.1,port=8100;urp;" -nofirststartwizard &
./opt/openoffice4/program/soffice -headless -accept="socket,host=127.0.0.1,port=8100;urp;" -nofirststartwizard &

/usr/java/jdk1.8.0_211/bin/java

ln -s /usr/java/jdk1.8.0_211/bin/java /bin/java
/usr/bin/java -jar /home/jodconverter-2.2.2/lib/jodconverter-cli-2.2.2.jar /opt/www/newfqq/public/contractfile/2019/04/okr.docx /opt/www/newfqq/public/contractfile/2019/04/okr2020061901.pdf

隐藏Nginx后端服务指定Header的状态： 1、打开conf/nginx.conf配置文件； 2、在http下配置proxy_hide_header项； 增加或修改为
proxy_hide_header X-Powered-By;
proxy_hide_header Server;
Nginx后端服务指定的Header隐藏状态隐藏Nginx服务Banner的状态： 1、打开conf/nginx.conf配置文件； 2、在server栏目下，配置server_tokens项 server_tokens off; 如出现多项不支持，执行ln /etc/nginx/nginx.conf