configure various server applications on your Ubuntu system to fit your needs. It is a step-by-step, task-oriented guide for configuring and customizing your system. Credits and License This document is maintained ................................................................................ 21 3. Package Management .............................................................................................. .................................................................................. 179 1. User Management ..............................................................................................

Ubuntu Server is a version of the Ubuntu operating system designed and engineered as a backbone for the internet. Ubuntu Server brings economic and technical scalability to your datacentre, public or th-docker-compose Multi-node configuration with Docker-Compose 2 Software 3 package-management Package management 3 upgrade-introduction Upgrade 3 third-party-apt-repositories Third party APT repositories control 3 service-ldap-replication Replication 3 service-ldap-usage Simple LDAP user and group management 3 service-ldap-with-tls SSL/TLS 3 service-ldap-backup-restore Backup and restore 2 Kerberos

Contribution to the Linux Kernel 005 Software Package Repositories 005 Open and Transparent Management of the Open Source Software Supply Chain 005 Community-certified openEuler Distributions 006 09 openEuler 22.09 openEuler 23.09 LTS versions: released every two years, with long lifecycle management based on innovation versions. Each LTS version has a relatively stable performance, reliability kernel, covering chip architecture, Advanced Configuration and Power Interface (ACPI), memory management, file systems, media, kernel documents, bugfixs for kernel quality hardening, and code rebuilds

............................................................................... 15 Querying the System Image Version .................................................................................. ........... 17 Boot Management ........................................................................................................................ 18 Installing the System Image ............... ........................................................................................ 52 6. System Installation and Update ........................................................................

advance each other and drive the continuous version evolution of new versions. openEuler Version Management openEuler 20.03 LTS openEuler OS image openEuler community mainline versions openEuler 20 version Kernel innovative version LTS versions: released every two years, with long lifecycle management based on innovative versions. Each LTS version has a relatively stable performance, reliability into advancing the ARM64 architecture, Advanced Configuration and Power Interface (ACPI), memory management, file systems, media, kernel documents, bug fixes, and code rebuild. Over the past decade, Huawei

8，该系统具有极强的稳定性，在全球范 围内都可以获得完善的技术支持。该系统也是本书和红帽认证考试中默认使用的操作 系统。 ➢ Community Enterprise Operating System, CentOS ：顾名思义， CentOS 是由开源社区研发和维护的一款企业级 Linux 操作系统，在 2014 年 1 月被红 帽公司正式收购。CentOS 系统最为别人广泛熟悉的标签就是“免费”。如果您问一 SMB 协议与 Samba 服务程序的起源和发展过程，并通过实验的方式部署文件共 享服务来深入了解 Samba 服务程序中相关参数的作用；还讲解了如何配置网络文件系 统（Network File System，NFS）服务来简化 Linux 系统之间的文件共享工作，以及通 过部署 NFS 服务在多台 Linux 系统之间挂载并使用资源。 ➢ 13 BIND ：本章讲解了 DNS 域名解析服务的原理以及 Source、 Software Selection、Installation Destination、KDUMP、Network & Host Name、SECURITY POLICY、System Purpose。 图 1-34 安装概要界面 同学们稳住，不要慌，这里选项虽然多，但并不是全都需要我们手动配置一遍。其中的 Keyboard 和 Language Support

14:53:01 UTC) is intended to provide a broad overview of the Debian system as a post-installation user’s guide. It covers many aspects of system administration through shell-command examples for non- developers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.5 GUI system administration tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1.8 How to shutdown the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1.9 Recovering

commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 File system 11 2.1 FHS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 8.3 What is the init system? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 8.4 Units . . . . . . . . . . . . . . . . . . . . . . . . 46 8.6 How to find all the systemd units in the system? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 8.7 Working with a particular service

around in the command line man pages Counting files in a directory Editing longer commands File system FHS Useful commands Creating soft link to a file Creating hard links Extracting a tar file Creating What is a service? What is a daemon? What is the init system? Units in systemd .service units in systemd How to find all the systemd units in the system? Working with a particular service Enabling or disabling disabling a service Shutdown or reboot the system using systemctl journalctl Finding the logs of a service To view only the last N entries Continuous stream of logs Listing of previous boots Time-based log

. . . . . . . . . . . . . . . . . . . . . 13 3.3.3.1 Testing hardware compatibility with a Live-System . . . . . . . . . . . . . 14 3.3.4 網路設置 . . . . . . . . . . . . . . . . . . . . . . . . . . . . automated install . . . . . . . . . . . . . . . . . . . . . 30 5.2.10 Accessibility of the installed system . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 5.3 開機參數 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 6.3.8.1 Setting the System Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 6.3.8.2 Reboot the System . . . . . . . . . . . . . . . . . . . . . . . . .