أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
For Linux, Get any fo the fallowing certificates, and gain some good experience too :
1. Red Hat Certified System Administrator (RHCSA)
2. Red Hat Certified Engineer — RHCE
3. CompTIA Linux+
4. LPIC-1 | Linux Professional Institute (LPI)
For Ethical Hacking:
1. CEH: Certified Ethical Hacking course from EC-Council
2. Penetration Testing Certification: GPEN - GIAC
3. Certified Penetration Tester (CPT)
In order to become a Linux Admin, first of all you need to have very good interest in linux, you should , do certifications like RHCE and if required higher module.
to be an Ethical Hacker, get CEH