Macetes TI

Get the modified date with powershell

To get the modified date on a single file try:

$lastModifiedDate = (Get-Item "C:\foo.tmp").LastWriteTime

To compare with another:

$dateA= $lastModifiedDate 
$dateB= (Get-Item "C:\other.tmp").LastWriteTime

if ($dateA -ge $dateB) {
  Write-Host("C:\foo.tmp was modified at the same time or after C:\other.tmp")
} else {
  Write-Host("C:\foo.tmp was modified before C:\other.tmp")
}

Get-ChildItem -Path D:\PowerShell\ActiveDirectoryGroupList.csv | select Name,CreationTime

Get file version information from the command line

PS> (Get-Command C:\Path\To\Thing.dll).FileVersionInfo.FileVersion
3.1.0.2

The version number parts of the FileVersionInfo are

Product Field	File Field	Meaning	Example
ProductVersion	FileVersion	String version	3.1.0.2 (alpha)
ProductMajorPart	FileMajorPart	First number	3
ProductMinorPart	FileMinorPart	Second number	1
ProductBuildPart	FileBuildPart	Third number	0
ProductPrivatePart	FilePrivatePart	Fourth number	2

JKS and Openssl commands

Java Keytool Command

These commands allow you to generate a new Java Keytool keystore file, create a CSR, and import certificates. Any root or intermediate certificates will need to be imported before importing the primary certificate for your domain.

Generate a Java keystore and key pair
keytool -genkey -alias mydomain -keyalg RSA -keystore keystore.jks -keysize 2048
Generate a certificate signing request (CSR) for an existing Java keystore
keytool -certreq -alias mydomain -keystore keystore.jks -file 8gwifi.csr
Import a root or intermediate CA certificate to an existing Java keystore
keytool -import -trustcacerts -alias root -file 8gwifiCA.crt -keystore keystore.jks
Import a signed primary certificate to an existing Java keystore
keytool -import -trustcacerts -alias mydomain -file mydomain.crt -keystore keystore.jks
Generate a keystore and self-signed certificate
keytool -genkey -keyalg RSA -alias selfsigned -keystore keystore.jks -storepass password -validity 360 -keysize 2048
Check a stand-alone certificate
keytool -printcert -v -file 8gwifi.crt
Check which certificates are in a Java keystore
keytool -list -v -keystore keystore.jks
Check a particular keystore entry using an alias
keytool -list -v -keystore keystore.jks -alias mydomain
Delete a certificate from a Java Keytool keystore
keytool -delete -alias 8gwifi -keystore keystore.jks
Change a Java keystore password
keytool -storepasswd -new new_storepass -keystore keystore.jks
Export a certificate from a keystore
keytool -export -alias mydomain -file mydomain.crt -keystore keystore.jks
List Trusted CA Certs
keytool -list -v -keystore $JAVA_HOME/jre/lib/security/cacerts
Import New CA into Trusted Certs
keytool -import -trustcacerts -file /path/to/ca/ca.pem -alias CA_ALIAS -keystore $JAVA_HOME/jre/lib/security/cacerts

OpenSSL Commands

Generate a new private key and Certificate Signing Request

openssl req -out CSR.csr -new -newkey rsa:2048 -nodes -keyout privatekey.key

Generate a self-signed certificate

openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -keyout privatekey.key -out certificate.crt

Generate a certificate signing request (CSR) for an existing private key
```
openssl req -out CSR.csr -key privatekey.key -new
```

Generate a certificate signing request based on an existing certificate

openssl x509 -x509toreq -in certificate.crt -out CSR.csr -signkey privatekey.key

Remove a passphrase from a private key

openssl rsa -in privateKey.pem -out newprivatekey.pem

Convert a DER file (.crt .cer .der) to PEM

openssl x509 -inform der -in certificate.cer -out certificate.pem

Convert a PEM file to DER

openssl x509 -outform der -in certificate.pem -out certificate.der

Convert a PKCS#12 file (.pfx .p12) containing a private key and certificates to PEM
```
openssl pkcs12 -in keyStore.pfx -out keystore.pem -nodes
```
You can add -nocerts to only output the private key or add -nokeys to only output the certificates.

Convert a PEM certificate file and a private key to PKCS#12 (.pfx .p12)

openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile

Importing a SSL certificate into a Java Keystore via a PKCS12 file

Here are the instructions on how to import a SSL certificate into the Java Keystore from a PKCS12 (pfx or p12) file.

Create a new keystore
1. Navigate to C:\Program Files\Java\jdk_xxxx\bin\ via command prompt
Execute: keytool -genkey -alias mycertificate -keyalg RSA -keysize 2048 -keystore mykeystore
1. Use password of: Use the same password/passphrase as the PKCS12 file
2. What is your first and last name? (should be the dns you're going to use) [Unknown]:  server.mydomain.com
  What is the name of your organizational unit? [Unknown]: MyCompanysITDepartment
  What is the name of your organization? [Unknown]:  MyCompany
  What is the name of your City or Locality? [Unknown]:  CITY
  What is the name of your State or Province? [Unknown]:  STATE
  What is the two-letter country code for this unit? [Unknown]:  US
  Is CN=...................................... correct? [no]:  yes
  Enter key password for <mycertificate>
  (RETURN if same as keystore password): Hit Return/Enter
Empty the keystore
1. Execute via command prompt: keytool -delete -alias mycertificate -keystore mykeystore
2. Ensure nothing is in the keystore by executing: keytool -v -list -keystore mykeystore
Import the PKCS12 File
1. Execute via command prompt: keytool -v -importkeystore -srckeystore whateverthefileis.p12 -srcstoretype PKCS12 -destkeystore mykeystore -deststoretype JKS
2. Enter the PKCS12 password/passphrase for both the Source and Destination password.

source: https://jackstromberg.com/2013/05/importing-a-ssl-certificate-into-a-java-keystore-via-a-pkcs12-file/

Instalar certificados raíz

Dado um arquivo de certificado da CA 'foo.crt', siga estas etapas para instalá-lo no Ubuntu:

Primeiro, copie sua autoridade de certificação para dir /usr/local/share/ca-certificates/

sudo cp foo.crt /usr/local/share/ca-certificates/foo.crt

atualize o armazenamento da CA

sudo update-ca-certificates

Isso é tudo. Você deve obter esta saída:

Updating certificates in /etc/ssl/certs... 1 added, 0 removed; done.
Running hooks in /etc/ca-certificates/update.d....
Adding debian:foo.pem
done.
done.

fonte: https://qastack.com.br/ubuntu/73287/how-do-i-install-a-root-certificate

Robocopy - copy only folder structure

To use Robocopy to clone a directory without files, use the following syntax:

robocopy "C:\Your Folder" "C:\New Folder" /e /xf *

same as above but without displaying the status:

robocopy "C:\Your Folder" "C:\New Folder" /e /xf * >nul

same as first example and creates a log (overwrites existing log):

robocopy "C:\Your Folder" "C:\New Folder" /e /xf * /log:yourlogfile.log

same as first example and appends to log (appends to existing log):

robocopy "C:\Your Folder" "C:\New Folder" /e /xf * /log+:yourlogfile.log

Copy only the top level sub-folders (sub-folders in the source directory)

robocopy "C:\Your Folder" "C:\New Folder" /e /LEV:2 /xf *

/e = Copies subdirectories, including empty ones.

/LEV: n = Copy only the n LEVels of the source. For n=2, only the top level sub-folders will be copied

/xf = Excludes files matching the specified names or paths. Wildcards “*” and “?” are accepted

List folders and files

List folders and files:

dir ..\myfolder /b /s /o:gn>list.txt

When you do not want to list the folders, only the files in the subfolders, use /A-D switch like this:

dir ..\myfolder /b /s /A-D /o:gn>list.txt