在 Linux 中写入内容时可能会遇到 “Permission denied” 没有权限进行操作方法

 sudo bash -c 'cat >/etc/hosts" << EOF
192.168.1.101 master1
192.168.1.102 worker1
192.168.1.103 worker2
192.168.1.104 worker3
EOF
  

  sudo tee -a /etc/hosts > /dev/null <<EOF
192.168.1.101 master1
192.168.1.102 worker1
192.168.1.103 worker2
192.168.1.104 worker3
EOF
 

 sudo tee /etc/hosts > /dev/null <<EOF
192.168.1.101 master1
192.168.1.102 worker1
192.168.1.103 worker2
192.168.1.104 worker3
EOF