在我自己的 Ubuntu 20.04 机器上,用户为 kafka
,我可以成功设置以下服务文件(引用 this tutorial ):sudo vi /etc/systemd/system/zookeeper.service
[Unit]
Requires=network.target remote-fs.target
After=network.target remote-fs.target
[Service]
Type=simple
User=kafka
ExecStart=/home/kafka/kafka/bin/zookeeper-server-start.sh /home/kafka/kafka/config/zookeeper.properties
ExecStop=/home/kafka/kafka/bin/zookeeper-server-stop.sh
Restart=on-abnormal
[Install]
WantedBy=multi-user.target
sudo vi /etc/systemd/system/kafka.service
[Unit]
Requires=zookeeper.service
After=zookeeper.service
[Service]
Type=simple
User=kafka
ExecStart=/bin/sh -c '/home/kafka/kafka/bin/kafka-server-start.sh /home/kafka/kafka/config/server.properties > ~/kafka/kafka.log 2>&1'
ExecStop=/home/kafka/kafka/bin/kafka-server-stop.sh
Restart=on-abnormal
[Install]
WantedBy=multi-user.target
然后成功启动Kafka并检查其状态:sudo systemctl start kafka
sudo systemctl status kafka
现在我想在具有相同文件夹结构的 AWS EC2 Ubuntu 实例中进行设置:sudo vi /etc/systemd/system/zookeeper.service
[Unit]
Requires=network.target remote-fs.target
After=network.target remote-fs.target
[Service]
Type=simple
User=ubuntu
ExecStart=/home/ubuntu/kafka/bin/zookeeper-server-start.sh /home/ubuntu/kafka/config/zookeeper.properties
ExecStop=/home/ubuntu/kafka/bin/zookeeper-server-stop.sh
Restart=on-abnormal
[Install]
WantedBy=multi-user.target
sudo vi /etc/systemd/system/kafka.service
[Unit]
Requires=zookeeper.service
After=zookeeper.service
[Service]
Type=simple
User=ubuntu
ExecStart=/bin/sh -c '/home/ubuntu/kafka/bin/kafka-server-start.sh /home/ubuntu/kafka/config/server.properties > /home/ubuntu/kafka/kafka.log 2>&1'
ExecStop=/home/ubuntu/kafka/bin/kafka-server-stop.sh
Restart=on-abnormal
[Install]
WantedBy=multi-user.target
ubuntu
根据 AWS document 是我的 AWS EC2 Ubuntu AMI 用户名.但是当我启动 kafka.service 时,我收到以下错误:
kafka.service
Loaded: loaded (/etc/systemd/system/kafka.service; disabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Thu 2021-06-10 18:58:26 UTC; 7s ago
Process: 40816 ExecStart=/bin/sh -c /home/ubuntu/kafka/bin/kafka-server-start.sh /home/ubuntu/kafka/config/server.properties > /home/ubuntu/kafka/kafka.log 2>&1 (code=exited, status=2)
Main PID: 40816 (code=exited, status=2)
Jun 10 18:58:26 ip-xxx-xx-xx-xxx systemd[1]: Started kafka.service.
Jun 10 18:58:26 ip-xxx-xx-xx-xxx sh[40816]: /bin/sh: 1: cannot create /home/ubuntu/kafka/kafka.log: Directory nonexistent
Jun 10 18:58:26 ip-xxx-xx-xx-xxx systemd[1]: kafka.service: Main process exited, code=exited, status=2/INVALIDARGUMENT
Jun 10 18:58:26 ip-xxx-xx-xx-xxx systemd[1]: kafka.service: Failed with result 'exit-code'.
目录下~/kafka
, 我没有看到文件 kafka.log
.但是在我自己的机器上设置的时候,并没有遇到这个错误。在 AWS EC2 Ubuntu 中进行设置时,我是否遗漏了什么?
更多详情 :
我刚刚意识到我的用户
ubuntu
访问,我无法创建没有 sudo
的文件夹.换句话说:$ mkdir test_folder
给我Permission denied
.我要做:$sudo mkdir test_folder
那么,我该如何修改服务文件来解决这个问题呢?
最佳答案
with my user ubuntu access, I cannot create a folder without sudo
不清楚您如何添加
ubuntu
用户,但正在运行 mkdir -p /home/ubuntu
如ec2-user
不会是正确的。您可以fix the permissions使用这些命令,但您可能需要重新访问
useradd
命令选项sudo chown -R ubuntu:ubuntu /home/ubuntu
sudo chmod -R a+rwX,o-w /home/ubuntu
您还应该更喜欢为 Kafka 和 Zookeeper 使用单独的用户帐户,而不是使用一些 ubuntu
用户,如果您使用 APT 安装 Confluent Platform 会发生这种情况,例如
关于ubuntu - 在 AWS EC2 Ubuntu 中设置 kafka.service 和 zookeeper.service,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/67927213/