Good Morning! If you're planning to transition into an IT career in 2025, these areas should be your primary focus to learn. While you don’t need to master everything on the list as many of these skills will naturally develop once you start working for the company. However, it's essential to prioritize learning the first 5 categories because they serve as the foundational building blocks for your IT career. - Operating Systems --- Linux/Unix: Shell scripting, user management, permissions, cron jobs, package management, systemd, log analysis. --- Windows: Active Directory, Group Policy, PowerShell scripting, user and group management, Windows Server roles (DNS, DHCP, IIS) - Networking --- Core Concepts: TCP/IP, DNS, DHCP, NAT, VLANs, VPNs. --- Protocols: HTTP/S, FTP, SSH, SMB, SNMP, ICMP. --- Network Tools: Ping, traceroute, netstat, Wireshark, iptables, ipconfig/ifconfig. --- Firewall and Security: Configuring firewalls, IDS/IPS, network hardening. --- Cloud Networking: Basics of virtual private clouds (VPCs) in platforms like AWS, Azure, or GCP. - System Administration Basics --- Hardware: Understanding servers, RAID configurations, storage systems. --- Virtualization: Hyper-V, VMware, Proxmox, or KVM. --- Monitoring: Tools like Nagios, Zabbix, Prometheus, Grafana. --- Backup and Recovery: Backup strategies, disaster recovery planning, tools like Veeam or Bacula. --- Automation: Using tools like Ansible, Puppet, Chef. - Troubleshooting --- Diagnosing hardware, software, and network issues. --- Using logs effectively: syslog, Event Viewer. --- Root cause analysis and issue resolution. - Security --- Account Management: Strong password policies, multi-factor authentication (MFA). --- Hardening: Securing operating systems, applications, and network infrastructure. --- Patch Management: Regular updates for OS and software. --- Incident Response: Detecting, analyzing, and responding to security incidents. - Scripting and Automation --- Languages: ------ Bash (Linux/Unix automation). ------ PowerShell (Windows automation). ------ Python (cross-platform scripting and automation). --- Automating repetitive tasks and writing scripts for system maintenance - Databases --- Relational Databases: SQL basics, managing MySQL, PostgreSQL, or SQL Server. --- Non-Relational Databases: Basic understanding of NoSQL systems like MongoDB or Redis. - Documentation --- Creating and maintaining documentation for systems, networks, policies, and procedures. --- Tools: Markdown, Wiki systems - Cloud Computing --- Core Cloud Concepts: IaaS, PaaS, SaaS, cloud storage, and pricing models. --- Platforms: ------ AWS, Azure, GCP --- Hybrid Cloud: Managing on-premises systems and integrating them with the cloud.