I tried using cat /opt/mqm/samp/amqscos0.txt | sudo -u mqm runmqsc COLIN and it failed, complaining about su syntax.
I solved it by
sudo -u mqm cat /opt/mqm/samp/amqscos0.txt | sudo -u mqm runmqsc COLIN
Easy when you know how!
I tried using cat /opt/mqm/samp/amqscos0.txt | sudo -u mqm runmqsc COLIN and it failed, complaining about su syntax.
I solved it by
sudo -u mqm cat /opt/mqm/samp/amqscos0.txt | sudo -u mqm runmqsc COLIN
Easy when you know how!