#先结束刚刚运行的进程 # cat > /etc/systemd/system/redis.service <er=network.target [Service] Type=forking ExecStart=/usr/local/bin/redis-server /root/redis-6.2.13/redis

$releasever - $basearch baseurl=h�ps://download.postgresql.org/pub/repos/yum/13/redhat/rhel-$releasev er-$basearch enabled=1 gpgcheck=0 # yum module disable postgresql -qy # yum install postgresql13-server

there will be decisions that need to be made from outside its boundaries, and people who need to be—er, um, “influenced”—on the outside. The team should have the primary responsibility for exercising that

pop(event, menu_bar)) # 监听鼠标右击事件 window.mainloop() # 运行窗口主循环 显示效果： 鼠标右击显示效果： ★window.a�er定时刷新界面 import tkinter import random def refresh(window, canvas): # 定义一个定时刷新方法 canvas.delete("all")