通过sshpass传递多命令：VMQUERY未以root执行求解决方案

Hey there! Let's work through getting your VMQUERY command running with the root permissions it needs. Here are several practical solutions tailored to different scenarios:

1. Run the command directly with sudo #

If your user account has sudo privileges (which is common on most server setups), simply prefix your VMQUERY command with sudo:

sudo VMQUERY [your-command-arguments]

You'll be prompted to enter your user password the first time you run this in a session. If you need to run this frequently and want to skip the password prompt, check out the next solution.

2. Switch to the root user first #

You can fully switch to the root environment to execute commands without prefixing everything with sudo:

• Use su - and enter the root password when prompted, then run VMQUERY normally:

  su -
  VMQUERY [your-command-arguments]
  

• Or use sudo -i (this requires your user to have sudo access) to directly log into a root shell:

  sudo -i
  VMQUERY [your-command-arguments]
  

3. Configure passwordless sudo for VMQUERY (for frequent use) #

If you need to run VMQUERY often and want to avoid entering a password every time, you can set up passwordless sudo access specifically for this command. Note: Only do this if you trust the user account completely, as it reduces security barriers.

1. First, find the absolute path of VMQUERY using:

   which VMQUERY
   

2. Open the sudoers file safely with visudo (this prevents syntax errors that could break sudo):

   sudo visudo
   

3. Add this line at the end of the file (replace your-username with your actual user and /path/to/VMQUERY with the path you found):

   your-username ALL=(ALL) NOPASSWD: /path/to/VMQUERY
   

4. Save and exit the editor (in nano, press Ctrl+O, then Enter, then Ctrl+X). Now you can run sudo VMQUERY without entering a password.

4. Verify VMQUERY's own file permissions #

Sometimes the issue isn't about your user's privileges, but the command itself doesn't allow non-root users to execute it. Check the file permissions with:

ls -l /path/to/VMQUERY

If you see something like -rwx------ (only root has read/write/execute access), then non-root users will always need sudo to run it. If appropriate, you could adjust the permissions (e.g., chmod o+x /path/to/VMQUERY), but only do this if it's safe for your system.

内容的提问来源于stack exchange，提问作者Aravindh Stanley