yum,rpm,samba,cron,ancron,raid and its algorithm,configurations files of apache,apache web server,boot process,installation process,VMware version,Redhat versions,sudoers,password recovery,ports number http https ssh ftp
Sigiloso
yum, rpm - package tool /etc/yum.repos.d/ ; samba - file sharing tool in different platforms, /etc/samba/smb.conf/ ; cron,anacron - task scheduling tool, raid - disk management tool. apache - http ; boot process= 1. BIOS 2. MBR 3. GRUB2 4. KERNEL 5. SYSTEMD 6. TARGET. VMware Esxi 6.7 version. RedHat - 6/7/8 ; sudoers - /etc/sudoers ; port number= http 80, https 443, ssh 22, ftp 20/21