Re: Unable to SSH into Server

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Author: Keith Smith via PLUG-discuss
Date:  
To: Snyder, Alexander J
CC: techlists, Main PLUG discussion list
Subject: Re: Unable to SSH into Server

What is the learning curve for that?


On 2024-10-22 15:09, Snyder, Alexander J wrote:
> I think a lot of this could be made a lot easier with Ansible and
> Jinja templates.
>
> --
> Thanks,
> Alexander
>
> Sent from my Google Pixel 7 Pro
>
> On Tue, Oct 22, 2024, 13:39 Keith Smith via PLUG-discuss
> <> wrote:
>
>> Thank You Everyone!!
>>
>> Seems the problem was I needed to uncomment "PasswordAuthentication
>> yes". When creating a user with SSH ability.
>>
>> Keith
>>
>> On 2024-10-22 10:46, Rusty Carruth via PLUG-discuss wrote:
>>> ChatGPT gave a more complete answer than I do below (the question
>> was:
>>> This person is using vhost, and thinks he wants to chroot to the
>>> docroot of the vhost when the user logs in. What do you think of
>> that?)
>>>
>>> (I never thought I'd be pointing people to an AI for answers! ;-)
>>>
>>>
>>> On 10/22/24 10:42, Rusty Carruth via PLUG-discuss wrote:
>>>> One thing I don't understand, below.
>>>>
>>>> On 10/22/24 10:25, Keith Smith via PLUG-discuss wrote:
>>>>> Hi,
>>>>>
>>>>> I appreciate all the feedback. There is more to the story.
>>>>>
>>>>> ....
>>>>>
>>>>> The 3 things I think I need to accomplish:
>>>>>
>>>>> 1) Add a user and configure it to use SSH.
>>>>> 2) Configure each vhost to use PHP-FPM.
>>>>> 3) Limit the User to the docroot of it's virtual host.
>>>>> (ChrootDirectory)
>>>>>
>>>> I don't understand # 3. Let me say what I think you said: you
>> have
>>>> (some number of) virtual machines. Or do you mean that thing
>> that
>>>> allows you to run more than one web address from the same IP
>> address?
>>>> In either case, why do you need to chroot to docroot? You do
>> realize
>>>> that docroot must then have EVERYTHING the user needs - all
>> programs,
>>>> all devices, everything. So you're going to need /dev, /bin,
>>>> /usr/bin, and so forth or the user will be dead in the water with
>> no
>>>> commands - shoot, not even bash will be there to try to type
>> commands!
>>>>
>>>> If you're doing the chroot already, and its failing, then that's
>>>> probably because bash isn't there, nor is anything else you
>> need...
>>>>
>>>>> I am using a clone of the LAMP server so I am going to remove it
>> and
>>>>> create another close and start by trying to create a use that
>> has SSH
>>>>> access and a home directory.
>>>>>
>>>> If you are using virtual machines, just clone it in the virtual
>>>> machine - but then, I'm thinking you don't mean virtual machine,
>> you
>>>> mean that other thing :-)
>>>>> Then I think I should work on limiting that user to the vhost
>> that is
>>>>> designated to work with.
>>>>>
>>>>>
>>>> So, if you mean not virtual machine but that other thing, then
>> you're
>>>> either going to have to copy all the stuff I talk about above in
>> to
>>>> the docroot tree (which I still think will cause more problems
>> than it
>>>> will fix), or mount the stuff above inside the docroot, or figure
>> out
>>>> how to change permissions and ownership so that the user can only
>>
>>>> change the stuff in their docroot. Perhaps group ownership can
>> save
>>>> the day here, assuming you want ALL files in ALL web servers to
>> be
>>>> owned by whoever is running Apache, then create 2 or more groups,
>>
>>>> change all group ownership to the NON-User group, then
>>>>
>>>> change group ownership of all files in your docroot to the group
>> of
>>>> the user (obviously you're going to have to change the user to
>> have
>>>> that group too), then change permissions to something like 770
>> for all
>>>> directories everywhere (or 775, or whatever) and 660 for all
>> files.
>>>> Done, supposedly ;-)
>>>>
>>>>>
>>>>> Then finish up by installing configuring the vhost to use
>> PHP-FPM.
>>>>>
>>>>> Any thought are much appreciated!!
>>>>>
>>>>> Keith
>>>>>
>>>>>
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