Materi Perkuliahan Administrasi Sistem untuk D3-Teknik Komputer - Politeknik Negeri Padang
Semester Ganjil TA.2025/2026
Konsep dasar administrasi sistem, peran dan tanggung jawab admin, lingkungan kerja (Linux/Windows/Cloud), keterampilan yang diperlukan, dan tantangan modern
PelajariManajemen user dan group di Linux (/etc/passwd, /etc/shadow, /etc/group) dan Windows, hak akses, keamanan pengguna, dan studi kasus struktur perusahaan
PelajariStruktur filesystem Linux (FHS), jenis-jenis file, hak akses (chmod, chown, chgrp), special permissions (SetUID, SetGID, Sticky Bit), dan manajemen file di Windows
PelajariStrategi backup (Full, Incremental, Differential), RTO/RPO, tools backup (tar, rsync, dd), backup ke cloud, verifikasi, dan studi kasus ransomware recovery
PelajariKonsep proses, status proses, monitoring (ps, top, htop), manajemen proses (kill, nice, renice), troubleshooting high CPU/memory usage, dan best practices
PelajariKonsep DNS (record types, resolution process) dan DHCP (DORA process), implementasi BIND9 dan ISC DHCP di Linux, DNS-DHCP integration, dan keamanan
PelajariKonfigurasi SSH server (OpenSSH), autentikasi key-based, hardening security, FTP/vsftpd, secure alternatives (SFTP/SCP), tunneling, dan monitoring
PelajariKonsep CIA triad, firewall (iptables/ufw), enkripsi (LUKS, GnuPG), hardening sistem, security monitoring, incident response, dan studi kasus ransomware attack
PelajariTools audit keamanan (Lynis, chkrootkit, ClamAV), vulnerability assessment (OpenVAS, Nmap), file integrity monitoring (AIDE), compliance frameworks, dan security reporting
PelajariPerformance monitoring tools (top, vmstat, iostat, sar), KPIs (CPU, memory, disk, network), centralized monitoring (Prometheus, Zabbix), benchmarking, dan alerting
PelajariCron scheduler, systemd timers, Windows Task Scheduler, advanced scheduling techniques, error handling, security considerations, dan studi kasus backup automation
PelajariKernel parameter tuning, I/O scheduler optimization, memory management, CPU optimization, filesystem tuning, application-specific optimization, dan performance validation
PelajariMethodology troubleshooting sistematis, tools essential (strace, tcpdump), root cause analysis, production troubleshooting, automation diagnostics, dan studi kasus kompleks
PelajariReview komprehensif seluruh materi, fokus UAS, problem-solving workshop, exam preparation strategy, dan tips sukses administrasi sistem jangka panjang
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