Linux Appliance

I stingy what are the things u requirement to be condemned tending before effort into LINUX admin, what are prerequisites , how are the jobs acquirable in this field, Will it b aggregation more meliorate to intend authorisation before (RHCE ), and how adjuvant it is to a fresher
how crapper i intend into this line and physique my career

I am 46 & I am thinking to intend into the IT field. All I undergo is whatever html 7 css. Now I was advisable to see UNIX to intend a job. I am hit the pick between acquisition UNIX Administration, or scheme utilization or SQL computer database. What would you guys do in my shoes? I am 46 & I am gift myself 1 year. Regards.