tiup安装tidb错误现象:
+ Initialize target host environments
- Prepare 10.213.115.167:22 ... Error
- Prepare 10.213.115.45:22 ... Error
- Prepare 10.213.115.146:22 ... Error
Error: Failed to initialize TiDB environment on remote host '10.213.115.167' (task.env_init.failed)
caused by: Failed to create '~/.ssh' directory for user 'tidb'
caused by: Failed to execute command over SSH for 'tidb@10.213.115.167:22'
caused by: Process exited with status 1
Verbose debug logs has been written to /home/tidb/.tiup/logs/tiup-cluster-debug-2022-09-06-18-51-31.log.
Command output on remote host 10.213.115.167:
Password: su: Error in service module
后来经过摸索和日志分析,问题如下:
1,日志:/var/log/secure: auth could not identify password for tidb
2, tiup 输出重点:
Password: su: Error in service module
3,尝试了不少方法,这个有参考价值:pam_unix(sudo:auth):对话失败,auth无法识别[用户名]的密码 - IT宝库
4,临时解决方法:修改/etc/pam.d/su,文件第一行添加:
# Fixing ssh "auth could not identify password for [username]"
auth sufficient pam_permit.so
在尝试使用TiUP部署TiDB集群过程中,遇到了错误,表现为无法初始化目标主机环境,具体错误信息涉及到SSH授权失败和用户'tidb'的密码认证问题。通过分析日志发现,问题可能源于'/var/log/secure'中记录的密码认证失败。参考IT宝库的解决方案,临时修复方法是在'/etc/pam.d/su'文件中添加一行以允许无密码登录。此问题涉及到SSH配置、PAM模块和用户权限设置。
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