Linux 云服务器

查JDK安装目录

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ls -l /etc/alternatives/java
# 或者
$(dirname $(dirname $(realpath $(which javac))))

Redis

# Redis配置文件路径

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/etc/redis/redis.conf

# Redis服务命令

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# 检查Redis服务的状态
sudo systemctl status redis-server
# 重启redis
sudo systemctl restart redis-server
# 验证 Redis 服务器正在监听端口6379
ss -an | grep 6379
# 使用redis-cli从你的远程机器上 ping 一下 Redis 服务器
redis-cli -h <REDIS_IP_ADDRESS> ping

Openresty

# 应用安装路径

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/usr/local/openresty

# openresty相关命令

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# 目录 /usr/local/openresty/nginx/
--启动
/usr/local/openresty/nginx/sbin/nginx
--停止
/usr/local/openresty/nginx/sbin/nginx -s stop
--重启
/usr/local/openresty/nginx/sbin/nginx -s reload
--检验nginx配置是否正确
/usr/local/openresty/nginx/sbin/nginx -t

Mysql

# Mysql配置文件路径

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/etc/mysql/
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# mysql相关命令
sudo service mysql start
sudo service mysql stop
sudo service mysql restart

Ubuntu ufw防火墙

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sudo ufw enable
sudo ufw disable