Create string with incremental number

To create a string with an incrementing number up to 1000 using bash.

Run the below.

seq -s "$(echo -e '\ntest\n')" 1000 > output.txt

Kickstart Post output to console

If you need to view the post output from a kickstart file when debugging a problem. Add the below after the post step.

%post

exec < /dev/console > /dev/console

Ruby output

To ouput ruby add the below to the top of your .rb file.

puts caller

Fix issue with ssh using dsa

After an update for Mac OSX sierra ssh would not allow access to dsa.

To fix this added the below to .ssh/config which fixed the problem.

Host *
HostkeyAlgorithms +ssh-dss
PubkeyAcceptedKeyTypes +ssh-dss

Fix RPM install “BAD, key ID”

If when trying to install an RPM you receive the below error. Try running the below command on the RPM affected and then put this back into your repository.

Error:

Header V4 RSA/SHA1 signature: BAD, key ID 8816c449#012

Fix:

rpm --delsign your.rpm

List sudo for another user

If you want to get permissions for another user as root.

Run the below command

sudo -U  USERHERE -l

Run Powershell command from cmd prompt

To run a powershell command from cmd prompt just add the below. This is useful when using execute commands within chef as well.

@powershell Get-Help

execute 'powershell help' do
command '@powershell Get-Help'
action :run
end