1. Open command prompt as Administrator

2. Upgrade the hashing algorithm to sha256:

certutil -setreg ca\csp\CNGHashAlgorithm SHA256

3. Renew the Certificate by going to MMC > Certification Authority (Local) Snap In. Right-click the CA and select Renew All Tasks > Renew CA Certificate. Select whether you want to keep the existing keys or create new ones

4. Check sha256 is now in place – Certificate Authority > Right click domain > Properties > View Certificate > Details

Credit goes to https://support.symantec.com/en_US/article.TECH246255.html

OpenSSH is unable to connect to a legacy algorithm. Run the following command to get round it:

ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 x.x.x.x

1. Install ldapsearch client (part of openldap-clients):

yum install openldap-clients

2. Test ldap connection:

ldapsearch -x -b "dc=domain,dc=com" -D "user@account.com" -h x.x.x.x -W 'searchstring'

3. Enter password when prompted

Credit goes to: https://support.symantec.com/en_US/article.TECH83893.html

1. Note root device

2. Stop Instance

3. Detach Volume

• Take a note of the instance ID
• Elastic Block Store > Volumes > Enter instance ID in search box
• Actions > Detach Volume

openssl rsa -des3 -in originalkey.pem -out passwordprotectedkey.pem.encrypt

Enter and verify a password of your choosing