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"UNIX and Linux System Administration Handbook is today's definitive guide to installing, configuring and maintaining any Unix or Linux system -- including the systems that provide core Internet and cloud infrastructure. Now fully updated for today's Linux distributions and cloud environments, it details best practices for every facet of system administration, including storage management, network design and administration, web hosting and scale-out, automation, configuration management, performance analysis, virtualization, DNS, security, management of IT service organizations, and much more. For modern system and network administrators, this edition contains indispensable new coverage of cloud deployments, continuous delivery, Docker and other containerization solutions, and much more."

"Deploy and manage a Linux server quickly and easilyThoroughly revised to cover the most current Linux distributions and the latest Linux kernel release, Linux Administration: A Beginner?s Guide, Sixth Edition shows new and inexperienced Linux system administrators how to set up and configure Linux. The sixth edition adds key updates about the latest Linux distributions and focuses on Fedora, openSUSE, and Ubuntu. The book adds coverage of newer technologies, including virtualization, infrastructure services, Windows and Linux integration, Linux routers and firewalls, LDAP, printing, and new hardware now supported by the updated Linux kernel.This trusted, bestselling beginner?s guide continues its recipe and step-by-step approach to Linux system administration, including managing files and software, users and user rights, basic security, Internet and intranet services, and kernel customization. The book makes it easy for existing system administrators to quickly zero in on relevant sections of the book to solve or tackle real-world Linux administration issues.Linux Administration: A Beginner?s Guide, Sixth Edition Covers the major distributions of Linux server for Fedora, openSUSE and Ubuntu, and the latest Linux kernel release Includes new chapters introducing Distributed File Systems--key for today?s cloud computing/virtualization-centric world Contains a new chapter on the business case for Linux and the marketability of Linux administration skills Step-by-step coverage: Technical Summary of Linux Distributions and Windows Server 2008; Installing Linux in a Server Configuration; Installing Software; Single Host Administration; Managing Users; The Command Line; Booting and Shutting Down; File Systems; Core System Services; Compiling the Linux Kernel; Knobs and Dials: The /proc File System; Security and Networking; TCP/IP for System Administrators; Network Configuration; Configuring the Linux Firewall and Router; Local Security; Network Security; Configuring Internet Services; DNS; FTP; Web Servers; SMTP; POP and IMAP; SSH and Encryption; Virtualization; Configuring Intranet Services; Network File Systems (NFS); Distributed File Systems; Network Information Service (NIS); LDAP; Samba (SMB/CIFS); Printing; DHCP; Backups "-- Provided by publisher."Effectively deploy and maintain Linux and other Free and Open Source Software (FOSS) on your servers or entire network using this practical resource. Linux Administration: A Beginner?s Guide, Sixth Edition provides up-to-date details on the latest Linux distributions, including Fedora, Red Hat Enterprise Linux, CentOS, Debian, and Ubuntu. Learn how to install and customize Linux, work from the GUI or command line, configure Internet and intranet services, interoperate with Windows systems, and create reliable backups. Performance tuning, security, and virtualization are also covered and real-world examples help you put the techniques presented into practice."

"Linux Kernel Development details the design and implementation of the Linux kernel, presenting the content in a manner that is beneficial to those writing and developing kernel code, as well as to programmers seeking to better understand the operating system and become more efficient and productive in their coding. The book details the major subsystems and features of the Linux kernel, including its design, implementation, and interfaces. It covers the Linux kernel from both angles, theoretical and applied, which should appeal to readers with a variety of interests and needs."

"Kondisi pandemi COVID-19 mendorong infrastruktur teknologi informasi dibangun dengan waktu yang cepat dan dalam sekala besar. Peningkatan pengiriman server secara global meningkat hampir 37% pada kuartal pertama tahun 2020. Hampir 80% server yang ada didominasi oleh linux sebagai sistem operasinya. Ubuntu merupakan salah satu distribusi linux yang banyak digunakan untuk sistem operasi server. Salah satu aspek yang penting dalam sistem operasi server adalah tingkat keamanan dari sistem operasi server tersebut. Keamanan sistem operasi server perlu diperhatikan pasalnya server umumnya berisi data-data penting, oleh karena itu peningkatan keamanan server perlu diperhatikan untuk mencegah data-data penting ini bocor atau berpindah tangan ke pihak yang salah. CIS adalah salah satu badan yang sangat peduli terhadap keamanan di internet, mengeluarkan acuan penguatan keamanan sistem operasi server yang dikenal dengan CIS Benchmark. penelitian ini bertujuan untuk meningkatkan keamanan sistem operasi Ubuntu 20.04 dengan menggunakan kontrol penguatan keamanan berdasarkan standar CIS Benchmark versi 1.1.0 dengan metode otomatisasi menggunakan aplikasi Packer. Metode otomatisasi yang dilakukan selain melakukan penguatan juga menghasilkan image mesin virtual yang siap digunakan untuk pengimplementasian sebuah sistem dengan besar file image berukuran 1,8 GB. Selanjutnya untuk validasi penguatan keamanan maka dilakukan audit menggunakan aplikasi CIS-CAT Lite yang menghasilkan nilai skor kesesuaian audit sebanyak 218 kontrol atau 99,54% dari total 219 kontrol yang ada pada CIS Benchmark versi 1.1.0.

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The COVID-19 pandemic has driven the rapid and large-scale development of information technology infrastructure. Global server shipments increased by nearly 37% in the first quarter of 2020. Approximately 80% of the existing servers are dominated by Linux as their operating system. Ubuntu is one of the widely used Linux distributions for server operating systems. One crucial aspect of server operating systems is their security level. Security of server OS needs to be considered, as servers typically contain important data. Therefore, improving server security is necessary to prevent the leakage or unauthorized access of this critical data. CIS is an organization that is deeply concerned about internet security and has released security strengthening guidelines for server operating systems known as CIS Benchmark. This research aims to enhance the security of the Ubuntu 20.04 operating system by implementing security hardening controls based on CIS Benchmark version 1.1.0, using the automation method through the Packer application. In addition to the hardening process, the automation method also generates a virtual machine image ready for system implementation, with a file size of 1.8 GB. Furthermore, to validate the security hardening, an audit is conducted using the CIS-CAT Lite application, which produces an audit compliance score of 218 controls or 99.54% out of the total 219 controls in CIS Benchmark version 1.1.0."