# paramiko.ssh\_exception.SSHException: No authentication methods available

**URL:** <https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260>\
**Category:** New to AiiDA\
**Tags:** question\
**Created:** [February 12, 2024, 9:31am UTC](https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260 "2024-02-12T09:31:10Z")\
**Posts on this page:** 8\
**Page:** 1

<div class="post-metadata">

**Author:** ![wang](https://avatars.discourse-cdn.com/v4/letter/w/edb3f5/32.png) [@wang](https://aiida.discourse.group/u/wang)\
**Post date:** [February 12, 2024, 9:31am UTC](https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260/1 "2024-02-12T09:31:10Z")

</div>

Hi,  
I am trying to set up a computer follow instruction in this webpages:  
[How to run external codes — AiiDA 2.5.1.post0 documentation](https://aiida.readthedocs.io/projects/aiida-core/en/latest/howto/run_codes.html)  
By verdi computer setup,i have set up set up supercomputer information.After `verdi computer configure TRANSPORTTYPE COMPUTERLABEL`,i have set up configures private connection details.  
But when i `verdi computer test COMPUTERNAME`,

```auto
[FAILED]: Error while trying to connect to the computer
  Full traceback:
  Traceback (most recent call last):
    File "/usr/local/lib/python3.10/dist-packages/aiida/cmdline/commands/cmd_computer.py", line 546, in computer
      with transport:
    File "/usr/local/lib/python3.10/dist-packages/aiida/transports/transport.py", line 128, in __enter__
      self.open()
    File "/usr/local/lib/python3.10/dist-packages/aiida/transports/plugins/ssh.py", line 520, in open
      self._client.connect(self._machine, **connection_arguments)
    File "/usr/lib/python3/dist-packages/paramiko/client.py", line 435, in connect
      self._auth(
    File "/usr/lib/python3/dist-packages/paramiko/client.py", line 767, in _auth
      raise SSHException("No authentication methods available")
  paramiko.ssh_exception.SSHException: No authentication methods available
Warning: 1 out of 0 tests failed

```

appeared.  
Any idea what the problem is?  
Sincerely,  
HaoXiang Wang  
Student.  
[E-mail:332316010966@email.zzuli.edu.cn](mailto:E-mail:332316010966@email.zzuli.edu.cn)

---

<div class="post-metadata">

**Author:** ![sphuber](https://yyz2.discourse-cdn.com/free1/user_avatar/aiida.discourse.group/sphuber/32/6_2.png) [@sphuber](https://aiida.discourse.group/u/sphuber)\
**Post date:** [February 12, 2024, 9:42am UTC](https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260/2 "2024-02-12T09:42:06Z")

</div>

It means AiiDA cannot open an SSH connection to your computer. Please share the output of `verdi computer configure show COMPUTER` (replacing `COMPUTER` with the label you gave to the computer). It will show the `hostname` that is defined. For this to work, you need to be able to SSH without AiiDA to that machine, using `ssh {hostname}`. If that doesn’t work, it is not a problem with AiiDA but a problem with your SSH configuration to the supercomputer.

---

<div class="post-metadata">

**Author:** ![AmberLEE123456](https://yyz2.discourse-cdn.com/free1/user_avatar/aiida.discourse.group/amberlee123456/32/51_2.png) [@AmberLEE123456](https://aiida.discourse.group/u/AmberLEE123456)\
**Post date:** [February 12, 2024, 10:01am UTC](https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260/3 "2024-02-12T10:01:52Z")

</div>

Actually I am trying to log on the same remote HPC account and I am having the same problem.  
This is my verdi computer show

```auto
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_plugin/diff$ verdi computer configure show a0s000508
* username yang
* port 22
* look_for_keys False
* key_filename
* timeout 60
* allow_agent True
* proxy_jump
* proxy_command
* compress True
* gss_auth False
* gss_kex False
* gss_deleg_creds False
* gss_host ssh.cn-zhongwei-1.paracloud.com
* load_system_host_keys True
* key_policy RejectPolicy
* use_login_shell True
* safe_interval 30.0

```

Here is my ssh successful login(There are some Chinese characters…)

```auto
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_plugin/diff$ ssh a0s000508@BSCC-A@ssh.cn-zhongwei-1.paracloud.com -p 22
Last login: Mon Feb 12 16:40:47 2024 from 10.255.128.13
+---------------------------------------------------------------------------------------------------------+
| 温馨提示： |
| 登录节点只能用来进行编辑编译工作，不能运行作业，管理员发现用户在登录节点提交程序，会杀掉相应作业，敬 |
| 请遵守规定！超算是独占节点形式，不满核提交将按照满核收费，建议尽量满核提交作业！ |
| amd_16core队列只支持单节点16核的作业，不支持其他核数，不支持跨节点。需要时请联系客服咨询脚本模板。 |
| amd_test是调试队列，单节点64核256G内存，最多可以运行30分钟，计费标准与amd_256队列一致。 |
| 超算云服务团队 |
| 2020年5月28日 |
| |
| |
| |
| 各位老师好, 为了提高用户使用体验，保障操作流畅性，10月9日起将取消A区public3上的module环境，登陆时不会|
| 自动加载，若有module需求: |
| public1用户可执行source /public1/soft/modules/module.sh |
| public3用户可执行source /public3/soft/modules/module.sh |
| public4用户可执行 source /public4/soft/modules/module.sh |
| |
| public9用户可执行source /public9/soft/module.sh |
| 确认所使用的存储的方法：执行 pwd 即可查看。 |
| 超算云服务团队 |
| 2020年10月9日 |
| |
| 3月14日起，BSCC-A超算sacct单次查询历史作业详单的最长时间区间调整为30天，查询命令如下：
  sacct -D -T -X -u sc **** -S 2022-01-01T00:00:00 -E 2022-01-31T00:00:00
											 超算云服务团队
											 2022年3月8日
                                                                                                     |
| |
| |
| |
| |
| |
+---------------------------------------------------------------------------------------------------------+
[a0s000508@ln23%bscc-a ~]$ 

```

And here is my computer test error information

```auto
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_plugin/diff$ verdi computer test a0s000508 --print-traceback
Report: Testing computer<a0s000508> for user<ygy11123@sina.com>...
* Opening connection... Error: Error connecting to 'ssh.cn-zhongwei-1.paracloud.com' through SSH: [SshTransport] Authentication failed., connect_args were: {'username': 'yang', 'port': 22, 'look_for_keys': False, 'key_filename': '', 'timeout': 60, 'allow_agent': True, 'proxy_jump': '', 'proxy_command': '', 'compress': True, 'gss_auth': False, 'gss_kex': False, 'gss_deleg_creds': False, 'gss_host': 'ssh.cn-zhongwei-1.paracloud.com'}
[FAILED]: Error while trying to connect to the computer
  Full traceback:
  Traceback (most recent call last):
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/cmdline/commands/cmd_computer.py", line 546, in computer_test
      with transport:
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/transports/transport.py", line 128, in __enter__
      self.open()
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/transports/plugins/ssh.py", line 520, in open
      self._client.connect(self._machine, **connection_arguments)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/client.py", line 450, in connect
      self._auth(
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/client.py", line 781, in _auth
      raise saved_exception
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/client.py", line 717, in _auth
      self._transport.auth_publickey(username, key)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/transport.py", line 1635, in auth_publickey
      return self.auth_handler.wait_for_response(my_event)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/auth_handler.py", line 245, in wait_for_response
      raise e
  paramiko.ssh_exception.AuthenticationException: Authentication failed.
Warning: 1 out of 0 tests failed
(aiida_QE) 

```

Hope you can also help!

Sincerely,  
Dr. Guoyu Yang  
Lecturer  
Jimei Univ, School of Science, Digital Fujian Big Data Modeling and Intelligent Computing Institute  
185 Yinjiang Rd.,  
Jimei District, Xiamen,361021  
Fujian, China  
E-mail: [201961000100@jmu.edu.cn](mailto:201961000100@jmu.edu.cn)

---

<div class="post-metadata">

**Author:** ![sphuber](https://yyz2.discourse-cdn.com/free1/user_avatar/aiida.discourse.group/sphuber/32/6_2.png) [@sphuber](https://aiida.discourse.group/u/sphuber)\
**Post date:** [February 12, 2024, 10:42am UTC](https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260/4 "2024-02-12T10:42:26Z")

</div>

Two things I notice:

- Using ssh you connect with the user `a0s000508` but you configured the machine in AiiDA with `yang`. You should probably change that
- You configured `look_for_keys` is `False` but also don’t specify an explicit key (`key_filename` is not set). I take it you are authenticating using a passwordless SSH key? You should set `key_filename` to the absolute filepath of that key

---

<div class="post-metadata">

**Author:** ![AmberLEE123456](https://yyz2.discourse-cdn.com/free1/user_avatar/aiida.discourse.group/amberlee123456/32/51_2.png) [@AmberLEE123456](https://aiida.discourse.group/u/AmberLEE123456)\
**Post date:** [February 13, 2024, 2:11am UTC](https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260/5 "2024-02-13T02:11:46Z")

</div>

I changed the settings. It connects to the remote HPC, but fails at creating file test

```auto
* Creating and deleting temporary file... [Failed]: OSError: Error during mkdir of '/home/yang', maybe you don't have the permissions to do it, or the directory already exists? ([Errno 13] Permission denied)

```

It is making `/home/yang` at my local computer or remote HPC? Can I change the directory?  
Here are the records

```auto
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA$ verdi -p quicksetup computer configure core.ssh a0s000508
Report: enter ? for help.
Report: enter ! to ignore the default and set no value.
User name [yang]: a0s000508@BSCC-A
Port number [22]: 
Look for keys [Y/n]: 
SSH key file []: /home/yang/.ssh/id_ed25519.pub
Connection timeout in s [60]: 
Allow ssh agent [Y/n]: 
SSH proxy jump []: 
SSH proxy command []: 
Compress file transfers [Y/n]: 
GSS auth [False]: 
GSS kex [False]: 
GSS deleg_creds [False]: 
GSS host [ssh.cn-zhongwei-1.paracloud.com]: 
Load system host keys [Y/n]: 
Key policy (RejectPolicy, WarningPolicy, AutoAddPolicy) [RejectPolicy]: WarningPolicy
Use login shell when executing command [Y/n]: 
Connection cooldown time (s) [30.0]: 
Report: Configuring computer a0s000508 for user ygy11123@sina.com.
Success: a0s000508 successfully configured for ygy11123@sina.com
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA$ verdi computer test a0s000508 --print-traceback
Report: Testing computer<a0s000508> for user<ygy11123@sina.com>...
* Opening connection... [OK]
* Checking for spurious output... [OK]
* Getting number of jobs from scheduler... [OK]: 0 jobs found in the queue
* Determining remote user name... [OK]: a0s000508
* Creating and deleting temporary file... [Failed]: OSError: Error during mkdir of '/home/yang', maybe you don't have the permissions to do it, or the directory already exists? ([Errno 13] Permission denied)
  Full traceback:
  Traceback (most recent call last):
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/cmdline/commands/cmd_computer.py", line 128, in _computer_create_temp_file
      transport.chdir(workdir)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/transports/plugins/ssh.py", line 619, in chdir
      self.sftp.chdir(path)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/sftp_client.py", line 659, in chdir
      if not stat.S_ISDIR(self.stat(path).st_mode):
                          ^^^^^^^^^^^^^^^
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/sftp_client.py", line 493, in stat
      t, msg = self._request(CMD_STAT, path)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/sftp_client.py", line 822, in _request
      return self._read_response(num)
             ^^^^^^^^^^^^^^^^^^^^^^^^
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/sftp_client.py", line 874, in _read_response
      self._convert_status(msg)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/sftp_client.py", line 903, in _convert_status
      raise IOError(errno.ENOENT, text)
  FileNotFoundError: [Errno 2] No such file
  
  During handling of the above exception, another exception occurred:
  
  Traceback (most recent call last):
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/transports/plugins/ssh.py", line 737, in mkdir
      self.sftp.mkdir(path)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/sftp_client.py", line 460, in mkdir
      self._request(CMD_MKDIR, path, attr)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/sftp_client.py", line 822, in _request
      return self._read_response(num)
             ^^^^^^^^^^^^^^^^^^^^^^^^
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/sftp_client.py", line 874, in _read_response
      self._convert_status(msg)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/paramiko/sftp_client.py", line 905, in _convert_status
      raise IOError(errno.EACCES, text)
  PermissionError: [Errno 13] Permission denied
  
  During handling of the above exception, another exception occurred:
  
  Traceback (most recent call last):
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/cmdline/commands/cmd_computer.py", line 558, in computer_test
      success, message = test(
                         ^^^^^
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/cmdline/commands/cmd_computer.py", line 130, in _computer_create_temp_file
      transport.makedirs(workdir)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/transports/plugins/ssh.py", line 721, in makedirs
      self.mkdir(this_dir)
    File "/home/yang/miniforge3/envs/aiida_QE/lib/python3.11/site-packages/aiida/transports/plugins/ssh.py", line 740, in mkdir
      raise OSError(
  OSError: Error during mkdir of '/home/yang', maybe you don't have the permissions to do it, or the directory already exists? ([Errno 13] Permission denied)
* Checking for possible delay from using login shell... [OK]
Warning: 1 out of 6 tests failed
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA$ verdi computer configure show
Usage: verdi computer configure show [OPTIONS] COMPUTER
Try 'verdi computer configure show --help' for help.

Error: Missing argument 'COMPUTER'.
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA$ verdi computer configure show a0s000508
* username a0s000508@BSCC-A
* port 22
* look_for_keys True
* key_filename /home/yang/.ssh/id_ed25519.pub
* timeout 60
* allow_agent True
* proxy_jump
* proxy_command
* compress True
* gss_auth False
* gss_kex False
* gss_deleg_creds False
* gss_host ssh.cn-zhongwei-1.paracloud.com
* load_system_host_keys True
* key_policy WarningPolicy
* use_login_shell True
* safe_interval 30.0
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA$ vi /home/yang/.ssh/id_ed25519.pub

```

Sincerely,  
Dr. Guoyu Yang  
Lecturer  
Jimei Univ, School of Science, Digital Fujian Big Data Modeling and Intelligent Computing Institute  
185 Yinjiang Rd.,  
Jimei District, Xiamen,361021  
Fujian, China  
E-mail: [201961000100@jmu.edu.cn](mailto:201961000100@jmu.edu.cn)

---

<div class="post-metadata">

**Author:** ![sphuber](https://yyz2.discourse-cdn.com/free1/user_avatar/aiida.discourse.group/sphuber/32/6_2.png) [@sphuber](https://aiida.discourse.group/u/sphuber)\
**Post date:** [February 13, 2024, 7:37am UTC](https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260/6 "2024-02-13T07:37:28Z")

</div>

The test is trying to create a file on the remote. It is doing this in the working directory that you defined during `verdi computer setup`. Apparently you set this to `/home/yang` (you can verify with `verdi computer show`) and it either doesn’t exist or it doesn’t have the correct permissions. You should set this `work_dir` during `verdi computer setup` to a folder where calculations can run. Like a scratch space.

---

<div class="post-metadata">

**Author:** ![AmberLEE123456](https://yyz2.discourse-cdn.com/free1/user_avatar/aiida.discourse.group/amberlee123456/32/51_2.png) [@AmberLEE123456](https://aiida.discourse.group/u/AmberLEE123456)\
**Post date:** [February 13, 2024, 9:47am UTC](https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260/7 "2024-02-13T09:47:51Z")

</div>

Finally succeed

```auto
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ verdi computer duplicate a0s000508
Report: enter ? for help.
Report: enter ! to ignore the default and set no value.
Computer label [a0s000508]: a0s000508_02
Hostname [ssh.cn-zhongwei-1.paracloud.com]: 
Description [shared]: 
Transport plugin [core.ssh]: 
Scheduler plugin [core.slurm]: 
Shebang line (first line of each script, starting with #!) [#!/bin/bash]: 
Work directory on the computer [/home/yang/AiiDA/tutorial_ssh/01_a0s000508]: /public4/home/a0s000508/AiiDA_local/AiiDA_local_01
Mpirun command [srun -n {tot_num_mpiprocs}]: srun -n {tot_num_mpiprocs}
Default number of CPUs per machine [64]: 
Default amount of memory per machine (kB). [268435456]: 
Success: stored computer a0s000508_02<None>
Success: Computer<5> a0s000508_02 created
Report: Note: before the computer can be used, it has to be configured with the command:
Report: verdi -p quicksetup computer configure core.ssh a0s000508_02
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ verdi computer show a0s000508_02
--------------------------- --------------------------------------------------
Label a0s000508_02
PK 5
UUID 0febb5fc-213e-4c8e-b531-fa8927a10dac
Description shared
Hostname ssh.cn-zhongwei-1.paracloud.com
Transport type core.ssh
Scheduler type core.slurm
Work directory /public4/home/a0s000508/AiiDA_local/AiiDA_local_01
Shebang #!/bin/bash
Mpirun command srun -n {tot_num_mpiprocs}
Default #procs/machine 64
Default memory (kB)/machine 268435456
Prepend text
Append text
--------------------------- --------------------------------------------------
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ verdi computer duplicate a0s000508
Report: enter ? for help.
Report: enter ! to ignore the default and set no value.
Computer label [a0s000508]: a0s000508_03
Hostname [ssh.cn-zhongwei-1.paracloud.com]: 
Description [shared]: 
Transport plugin [core.ssh]: 
Scheduler plugin [core.slurm]: 
Shebang line (first line of each script, starting with #!) [#!/bin/bash]: 
Work directory on the computer [/home/yang/AiiDA/tutorial_ssh/01_a0s000508]: /public4/home/a0s000508/AiiDA_local/AiiDA_local_01
Mpirun command [srun -n {tot_num_mpiprocs}]: 
Default number of CPUs per machine [64]: 
Default amount of memory per machine (kB). [268435456]: 
Success: stored computer a0s000508_03<None>
Success: Computer<6> a0s000508_03 created
Report: Note: before the computer can be used, it has to be configured with the command:
Report: verdi -p quicksetup computer configure core.ssh a0s000508_03
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ verdi computer show a0s000508_03
--------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Label a0s000508_03
PK 6
UUID 5cccbf94-6582-46a3-af21-b7f14c7441c9
Description shared
Hostname ssh.cn-zhongwei-1.paracloud.com
Transport type core.ssh
Scheduler type core.slurm
Work directory /public4/home/a0s000508/AiiDA_local/AiiDA_local_01
Shebang #!/bin/bash
Mpirun command srun -n {tot_num_mpiprocs}
Default #procs/machine 64
Default memory (kB)/machine 268435456
Prepend text #SBATCH -p amd_256
                             #SBATCH -N 1
                             #SBATCH -n 64
                             source /public4/soft/modules/module.sh
                             module load lapack/3.9.0-wxl-public4 fftw/3.3.8-mpi-public4 netcdf/4.4.1-parallel-icc17-ls-public4 libxc/4.3.4-icc17-ls-public4 szip/2.1.1-wzm-public4 blas/3.8.0-public4
                             export PATH=/public4/home/a0s000508/software-a0s000508/qe-7.3/qe-install/bin:$PATH
Append text
--------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ verdi -p quicksetup computer configure core.ssh a0s000508_03
Report: enter ? for help.
Report: enter ! to ignore the default and set no value.
User name [yang]: 
Port number [22]: ^CAborted!
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ verdi -p quicksetup computer configure core.ssh a0s000508_03
Report: enter ? for help.
Report: enter ! to ignore the default and set no value.
User name [yang]: a0s000508@BSCC-A
Port number [22]: 
Look for keys [Y/n]: 
SSH key file []: /home/yang/.ssh/id_ed25519.pub
Connection timeout in s [60]: 
Allow ssh agent [Y/n]: 
SSH proxy jump []: 
SSH proxy command []: 
Compress file transfers [Y/n]: 
GSS auth [False]: 
GSS kex [False]: 
GSS deleg_creds [False]: 
GSS host [ssh.cn-zhongwei-1.paracloud.com]: 
Load system host keys [Y/n]: 
Key policy (RejectPolicy, WarningPolicy, AutoAddPolicy) [RejectPolicy]: WarningPolicy
Use login shell when executing command [Y/n]: 
Connection cooldown time (s) [30.0]: 
Report: Configuring computer a0s000508_03 for user ygy11123@sina.com.
Success: a0s000508_03 successfully configured for ygy11123@sina.com
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ verdi computer test a0s000508_03 --print-traceback
Report: Testing computer<a0s000508_03> for user<ygy11123@sina.com>...
* Opening connection... [OK]
* Checking for spurious output... [OK]
* Getting number of jobs from scheduler... [OK]: 0 jobs found in the queue
* Determining remote user name... [OK]: a0s000508
* Creating and deleting temporary file... [OK]
* Checking for possible delay from using login shell... [OK]
Success: all 6 tests succeeded
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ verdi computer show a0s000508_03
--------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Label a0s000508_03
PK 6
UUID 5cccbf94-6582-46a3-af21-b7f14c7441c9
Description shared
Hostname ssh.cn-zhongwei-1.paracloud.com
Transport type core.ssh
Scheduler type core.slurm
Work directory /public4/home/a0s000508/AiiDA_local/AiiDA_local_01
Shebang #!/bin/bash
Mpirun command srun -n {tot_num_mpiprocs}
Default #procs/machine 64
Default memory (kB)/machine 268435456
Prepend text #SBATCH -p amd_256
                             #SBATCH -N 1
                             #SBATCH -n 64
                             source /public4/soft/modules/module.sh
                             module load lapack/3.9.0-wxl-public4 fftw/3.3.8-mpi-public4 netcdf/4.4.1-parallel-icc17-ls-public4 libxc/4.3.4-icc17-ls-public4 szip/2.1.1-wzm-public4 blas/3.8.0-public4
                             export PATH=/public4/home/a0s000508/software-a0s000508/qe-7.3/qe-install/bin:$PATH
Append text
--------------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ verdi computer configure show a0s000508_03
* username a0s000508@BSCC-A
* port 22
* look_for_keys True
* key_filename /home/yang/.ssh/id_ed25519.pub
* timeout 60
* allow_agent True
* proxy_jump
* proxy_command
* compress True
* gss_auth False
* gss_kex False
* gss_deleg_creds False
* gss_host ssh.cn-zhongwei-1.paracloud.com
* load_system_host_keys True
* key_policy WarningPolicy
* use_login_shell True
* safe_interval 30.0
(aiida_QE) yang@yang-Inspiron-3670:~/AiiDA/tutorial_performance$ 

```

But I have another question, can I change `Prepend text ``Work directory` and so on after setup the computer, or I need to duplicate or setup a new computer ?

Many thanks!

Sincerely,  
Dr. Guoyu Yang  
Lecturer  
Jimei Univ, School of Science, Digital Fujian Big Data Modeling and Intelligent Computing Institute  
185 Yinjiang Rd.,  
Jimei District, Xiamen,361021  
Fujian, China  
E-mail: [201961000100@jmu.edu.cn](mailto:201961000100@jmu.edu.cn)

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<div class="post-metadata">

**Author:** ![sphuber](https://yyz2.discourse-cdn.com/free1/user_avatar/aiida.discourse.group/sphuber/32/6_2.png) [@sphuber](https://aiida.discourse.group/u/sphuber)\
**Post date:** [February 13, 2024, 10:02am UTC](https://aiida.discourse.group/t/paramiko-ssh-exception-sshexception-no-authentication-methods-available/260/8 "2024-02-13T10:02:04Z")

</div>

Glad it worked. You can use `verdi computer duplicate` to create a clone. It will work like `verdi computer setup` but all prompt defaults are already prefilled from your existing computer. Then you can simply accept all defaults and just change the properties you want to change. Alternatively, you can always just `verdi computer delete` and `verdi computer setup` again.
