Tag: Save

risk – How to safely save passwords for a future administrator?

I am the volunteer IT administrator for a local non-profit organization. The organization has a few systems – specifically security cameras, network hardware, and telephones – that have local administrator accounts to manage them. Right now, I am the only person working for the organization with any amount of technical knowledge about these things. As part of our disaster recovery plans, I am writing a complete manual for administration of everything in the building.

The problem is what to do about passwords. No one else in the organization wants to be responsible for having the administrator passwords to everything (and honestly I don’t trust them anyway), but reducing the bus factor necessitates that a password be available somewhere for some other person to manage these devices in the future.

My first thought was to use something like LastPass’s “Emergency Access” feature that allows another user to request access to an account, except that I have no idea who that future user might be to give them permission and I have no confidence in this feature working properly anyway (since my wife and I tested it with our accounts and it didn’t work).

My current thought (loosely inspired by the opening scene of WarGames) is to generate secure passwords for the accounts and make scratch-off cards with the passwords on them. These cards would be kept in a sealed envelope in the manual binder. Access to the passwords then requires opening the envelope and scratching the cards.

I am not worried about someone going through the effort to steam open the envelope, scratch the cards, copy the passwords, then re-cover the cards in scratch-off material, and perfectly re-seal the (signed edge) envelope. Physical access control will prevent outsiders from doing that, and we are confident that all of our insiders don’t want the passwords and wouldn’t know what to do with these passwords even if they had them.

I know that this plan is still vulnerable to anyone with physical access gaining admin rights, but I can’t think of any better options.

Is this a good plan? Are there better alternatives? Or am I overthinking it?

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macros – How to automate save excel file as CSV and run live updates

For starters – I am raw and have limited skills, thus the guidance here is important to me.
We have to supply data to a 3rd party in CSV format. The data must be updated at frequent intervals with a time stamp.Some workbooks at 1 minute intervals and other at 30/60 minute intervals.
To ensure that data is permanently available I have done a little batch file to start the excel file.
Our normal method of collecting data is via excel.
I am able to get the data to update at at frequent intervals (10 seconds) courtesy Mr Google with a macro.The Macro also starts automatically on open event.

Private Sub Workbook_Open()
Range(“A1:A1”).Calculate
Application.OnTime DateAdd(“s”, 10, Now), “Calculate_Range”

End Sub

I have however run into issues when trying to save this to CSV file – the guidelines found thus far does not help me to have this process run unattended. I have managed to get past the overwrite query, but when I tried the format acknowledgement it fails.

Private Sub Worksheet_SelectionChange(ByVal Target As Range)
Application.Run “VBATest.xlsm!Calculate_Range”
ChDir “E:PI”
ActiveWorkbook.SaveAs Filename:=”E:PIVBATest01.xlcsv”, FileFormat:=xlCSV, _
CreateBackup:=False
Application.Run “VBATest.xlsm!Calculate_Range”

End Sub

What I need to accomplish is to

  1. run the excel file automatically – the batch file can be added to scheduler to restart this
  2. Update the values at preset intervals – the macro I have now, can run this
  3. Save sheet as CSV file automatically without intervention required (overwrite and format compatibility)
  4. Restart the excel file – batch file in scheduler if there is now other better method.

Thank you for your feedback

equation solving – save a mathematica expression with Root[] as Python expression?

I want to convert a Mathematica expression that uses Root() to Python (open to using sympy if needed). The expression is:

Root(-k2 k4 N0 + (B0 k2 k3 + A0 k1 k4 + k2 k4 - k2 k3 N0 - 
      k1 k4 N0) #1 + (A0 k1 k3 + B0 k1 k3 + k2 k3 + k1 k4 - 
      k1 k3 N0) #1^2 + k1 k3 #1^3 &, 3)

since FortranForm is close to Python, I could use that and manually edit the expression. But first the Root needs to be substituted. I tried using ToRadicals

ToRadicals(
  Root(-k2 k4 N0 + (B0 k2 k3 + A0 k1 k4 + k2 k4 - k2 k3 N0 - 
        k1 k4 N0) #1 + (A0 k1 k3 + B0 k1 k3 + k2 k3 + k1 k4 - 
        k1 k3 N0) #1^2 + k1 k3 #1^3 &, 3)) // FortranForm

which gives a long expression:

 -(A0*k1*k3 + B0*k1*k3 + k2*k3 + k1*k4 - k1*k3*N0)/(3.*k1*k3) + 
     -  ((1 - (0,1)*Sqrt(3))*(-(A0*k1*k3 + B0*k1*k3 + k2*k3 + k1*k4 - k1*k3*N0)**2 + 3*k1*k3*(B0*k2*k3 + A0*k1*k4 + k2*k4 - k2*k3*N0 - k1*k4*N0)))...

but what does (0,1)*Sqrt(3) mean in FortranForm and what’s the correct way to write it in Python? is it just 1j*sqrt(3)? Thanks.

8 – Node save slow with a field containing lots of paragraphs

I have a node that has a Paragraph field. It has around 80 Paragraphs referenced to it. When I save the node programmatically it’s very slow. It seems like the slow down is happening in the preSave() of the Paragraph field. I’m wondering if every referenced Paragraph is being loaded when the node is being saved? And if so is this normal functionality?

Could it just be bad design by myself that I created a node that has a field with 80+ Paragraphs referenced to it? Or is it legitimate to do it this way?

I should add that the node uses revisions.

dnd 5e – Does Rod of the Pact Keeper boost Spell Save DC of Ring of Shooting Stars?

The Rod of the Pact Keeper(+1) increases my Warlock’s spell save DC by 1. With an 18 Charisma at level 8 my spell save DC is 16. (8+3+4+1)

I just received a Ring of Shooting Stars. 🍺👍 The ball lightning feature, and the shooting stars feature, require a DC 15 Dexterity save to avoid lightning or fire damage respectively. For both features, the same text is used.

That creature must make a DC 15 Dexterity saving throw.

Since my Warlock is attuned to the Rod of the Pact Keeper(+1), do they now have to make a DC 16 Dexterity saving throw to avoid the lightning or fire effects, or, is the DC 15 fixed and non-modifiable?

(A related question on the RoSS’s effects like faerie fire is not the same as this one).

dnd 5e – Do bonus actions trigger the save from an Internal Injury?

The DM has the final decision.

The PHB (Chap 9, pag 189, section “Your turn”) says:

Various class features, spells, and other abilities let you take an additional action on your turn called a bonus action.

The fact that some actions are bonus actions depends mainly on your class features: some of them requires a physical effort (e.g. an attack, dashing, hiding), some others just a quick thought or minimal body movement (e.g., cast a verbal spell). In the former case, suffering an internal injury (e.g. a broken rib) makes taking the action more difficult than in the latter.

Since the optional rule does not say anything about bonus actions, It is up to the DM. There are 3 options:

  • consider all the bonus actions as “normal” actions, as you called it;
  • the optional rule does not say anything about bonus actions, hence they do not fall in this ruling;
  • make the character take the saving throw depending on the type of the bonus action.

To clarify the above distinction among bonus actions that requires physical effort and others that do not, down below I list a few examples.

A rouge has the Cunning Action feature that says

You can take a bonus action on each of your turns in combat. This action can be used only to take the Dash, Disengage, or Hide action.

A monk can use its Flurry of Blows feature as bonus action (once the Attack action has been taken)

Immediately after you take the Attack action on your turn, you can spend 1 ki point to make two unarmed strikes as a bonus action.

A druid of the Circle of the Moon can wildshape with a bonus action:

When you choose this circle at 2nd level, you gain the ability to use Wild Shape on your turn as a bonus action, rather than as an action.

Moreover, while wildshaped, the druid can use its bonus action to regain HPs spending a spell slot:

Additionally, while you are transformed by Wild Shape, you can use a bonus action to expend one spell slot to regain 1d8 hit points per level of the spell slot expended.

If I were the DM, I would apply the 3rd option: in case the taken bonus action is mainly physical, then the saving throw must be taken, otherwise you do bonus action safely.