• Skip to main content

Uly.me

cloud engineer

  • Home
  • About
  • Search

access

AWS Get Access Key Info

June 28, 2022

How to look for an access key in AWS. Find the account.

$ aws sts get-access-key-info --access-key-id AKIA8XXXXXXXXXXXXXXX
{
    "Account": "XXXXXXXXXXXX"
}

$ aws sts get-access-key-info --access-key-id AKIA8XXXXXXXXXXXXXXX { "Account": "XXXXXXXXXXXX" }

Filed Under: Cloud Tagged With: access, account, aws, get, key

Sudoers File Explained

June 30, 2021

You are probably wondering how the sudoers file works. Here’s a simple explanation.

Command

username host=(user:group) tag:commands

username host=(user:group) tag:commands

Explanation

    • username – the specified user allowed to run commands.
    • host – the specified host the command is allowed to run.
    • user – specifies which users can use the command.
    • group – specifies which groups can run the command.
    • tag – the option allowed. NOPASSWD
    • command – the command allowed to run.

Examples

root    ALL=(ALL) ALL
username ALL=(ALL) ALL
john test=(ALL) NOPASSWD: /bin/useradd
jane ALL=(sales) NOPASSWD: /bin/sh
%sudo ALL=(ALL) ALL
%adgroup ALL=(ALL) ALL

root ALL=(ALL) ALL username ALL=(ALL) ALL john test=(ALL) NOPASSWD: /bin/useradd jane ALL=(sales) NOPASSWD: /bin/sh %sudo ALL=(ALL) ALL %adgroup ALL=(ALL) ALL

Filed Under: Linux Tagged With: access, root, sudo, sudoers

AWS IAM Self Manage Policy

July 28, 2020

Here’s the permission needed for an AWS user to manage their own IAM account. The policy allows them to view their own account information, change their own passwords, rotate access keys and certificates, and manage their own git credentials.

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "AllowViewAccountInfo",
            "Effect": "Allow",
            "Action": [
                "iam:GetAccountPasswordPolicy",
                "iam:GetAccountSummary"
            ],
            "Resource": "*"
        },
        {
            "Sid": "AllowManageOwnPasswords",
            "Effect": "Allow",
            "Action": [
                "iam:ChangePassword",
                "iam:GetUser"
            ],
            "Resource": "arn:aws:iam::*:user/${aws:username}"
        },
        {
            "Sid": "AllowManageOwnAccessKeys",
            "Effect": "Allow",
            "Action": [
                "iam:CreateAccessKey",
                "iam:DeleteAccessKey",
                "iam:GetAccessKeyLastUsed",
                "iam:ListAccessKeys",
                "iam:UpdateAccessKey"
            ],
            "Resource": "arn:aws:iam::*:user/${aws:username}"
        },
        {
            "Sid": "AllowManageOwnSigningCertificates",
            "Effect": "Allow",
            "Action": [
                "iam:DeleteSigningCertificate",
                "iam:ListSigningCertificates",
                "iam:UpdateSigningCertificate",
                "iam:UploadSigningCertificate"
            ],
            "Resource": "arn:aws:iam::*:user/${aws:username}"
        },
        {
            "Sid": "AllowManageOwnSSHPublicKeys",
            "Effect": "Allow",
            "Action": [
                "iam:DeleteSSHPublicKey",
                "iam:GetSSHPublicKey",
                "iam:ListSSHPublicKeys",
                "iam:UpdateSSHPublicKey",
                "iam:UploadSSHPublicKey"
            ],
            "Resource": "arn:aws:iam::*:user/${aws:username}"
        },
        {
            "Sid": "AllowManageOwnGitCredentials",
            "Effect": "Allow",
            "Action": [
                "iam:CreateServiceSpecificCredential",
                "iam:DeleteServiceSpecificCredential",
                "iam:ListServiceSpecificCredentials",
                "iam:ResetServiceSpecificCredential",
                "iam:UpdateServiceSpecificCredential"
            ],
            "Resource": "arn:aws:iam::*:user/${aws:username}"
        }
    ]
}

{ "Version": "2012-10-17", "Statement": [ { "Sid": "AllowViewAccountInfo", "Effect": "Allow", "Action": [ "iam:GetAccountPasswordPolicy", "iam:GetAccountSummary" ], "Resource": "*" }, { "Sid": "AllowManageOwnPasswords", "Effect": "Allow", "Action": [ "iam:ChangePassword", "iam:GetUser" ], "Resource": "arn:aws:iam::*:user/${aws:username}" }, { "Sid": "AllowManageOwnAccessKeys", "Effect": "Allow", "Action": [ "iam:CreateAccessKey", "iam:DeleteAccessKey", "iam:GetAccessKeyLastUsed", "iam:ListAccessKeys", "iam:UpdateAccessKey" ], "Resource": "arn:aws:iam::*:user/${aws:username}" }, { "Sid": "AllowManageOwnSigningCertificates", "Effect": "Allow", "Action": [ "iam:DeleteSigningCertificate", "iam:ListSigningCertificates", "iam:UpdateSigningCertificate", "iam:UploadSigningCertificate" ], "Resource": "arn:aws:iam::*:user/${aws:username}" }, { "Sid": "AllowManageOwnSSHPublicKeys", "Effect": "Allow", "Action": [ "iam:DeleteSSHPublicKey", "iam:GetSSHPublicKey", "iam:ListSSHPublicKeys", "iam:UpdateSSHPublicKey", "iam:UploadSSHPublicKey" ], "Resource": "arn:aws:iam::*:user/${aws:username}" }, { "Sid": "AllowManageOwnGitCredentials", "Effect": "Allow", "Action": [ "iam:CreateServiceSpecificCredential", "iam:DeleteServiceSpecificCredential", "iam:ListServiceSpecificCredentials", "iam:ResetServiceSpecificCredential", "iam:UpdateServiceSpecificCredential" ], "Resource": "arn:aws:iam::*:user/${aws:username}" } ] }

Filed Under: Cloud Tagged With: access, account, aws, certificates, change, credentials, git, iam, keys, manage, password, rotate

  • Go to page 1
  • Go to page 2
  • Go to page 3
  • Go to Next Page »
  • Home
  • About
  • Search

Copyright © 2023