dump 2 OpenLDAP 3 service-ldap-introduction Introduction 3 service-ldap Installation 3 service-ldap-access-control Access control 3 service-ldap-replication Replication 3 service-ldap-usage Simple management 3 service-ldap-with-tls SSL/TLS 3 service-ldap-backup-restore Backup and restore 2 Kerberos 3 kerberos-introduction Introduction 3 service-kerberos Kerberos server 3 service-kerberos-principals ncipals Service principals 3 kerberos-encryption-types Kerberos encryption types 3 service-kerberos-secondary-kdc Secondary KDC 3 service-kerberos-workstation-auth Basic workstation authentication

Save the images and configs . . . . . . . . . . . . . . . . . . . . . . . . . . 51 5.9 Upload everything . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 6. FAQs 53 6.1 Docker Issues command works without sudo and without any issue: 1 $ docker run hello-world In China, to use docker service normally, please must configure one of chinese docker mirror sites, for example: • Aliyun Docker 欢迎加入 Linux Lab 用户组，联系微信：tinylab，公众号：泰晓科技 4 $ make list-plugin # only plugin 5 $ make list-full # everything 6 $ make list-real # real hardware boards 7 $ make list-virt # only virtual boards 3.1.2 Choosing

Save the images and configs . . . . . . . . . . . . . . . . . . . . . . . . . . 50 5.9 Upload everything . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 6. FAQs 51 6.1 Docker Issues command works without sudo and without any issue: 1 $ docker run hello-world In China, to use docker service normally, please must configure one of chinese docker mirror sites, for example: • Aliyun Docker 欢迎加入 Linux Lab 用户组，联系微信：tinylab，公众号：泰晓科技 4 $ make list-plugin # only plugin 5 $ make list-full # everything 6 $ make list-real # real hardware boards 7 $ make list-virt # only virtual boards 3.1.2 Choosing

............................................................................ 161 8. Domain Name Service (DNS) .......................................................................................... disk to make room for Ubuntu. Any time you partition your disk, you should be prepared to lose everything on the disk should you make a mistake or something goes wrong during partitioning. The programs Section 5, “Automatic Updates” [p. 34]. • Manage the system with Landscape: Landscape is a paid service provided by Canonical to help manage your Ubuntu machines. See the Landscape8 site for details.

Save the images and configs . . . . . . . . . . . . . . . . . . . . . . . . . . 51 5.9 Upload everything . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 6. FAQs 53 6.1 Docker Issues command works without sudo and without any issue: 1 $ docker run hello-world In China, to use docker service normally, please must configure one of chinese docker mirror sites, for example: • Aliyun Docker 欢迎加入 Linux Lab 用户组，联系微信：tinylab，公众号：泰晓科技 4 $ make list-plugin # only plugin 5 $ make list-full # everything 6 $ make list-real # real hardware boards 7 $ make list-virt # only virtual boards 3.1.2 Choosing

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 or 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 Time-based log viewing Total size of the journal logs Writing your own service file Securing a service using systemd Installing verybad service Vulnerabilities in the application Directory traversal vulnerability/

. . . . . . . . . . . . . . . . . . . . . . . . . 87 3.7.5 Customization example to tweak sshd service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 3.8 The udev system . . . . . . . . . 110 6.2.2 Modern mail service limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 6.2.3 Historic mail service expectation . . . . . . . . . . . devices with typical usage scenarios . . . . . . . . . . . . . . . 189 10.4 List of the network service to chose with the typical usage scenario . . . . . . . . . . . . . . . . . . . . . . . . . 190 10

Launcher. More Information Applications and windows Customize the Launcher See Also Search everything from the Dash home Auto-hide the Launcher You can hide the Launcher if you only want to see the Super key. To hide the Dash, click the top icon again or press Super or Esc . Search everything from the Dash home The first thing you'll see when opening the Dash is the Dash Home. Without music, and more with the Dash — The Dash is the top button in the Launcher. See Also Search everything from the Dash home Applications lens The applications lens is the first lens after the Dash

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 8 Linux Services 45 8.1 What is a service? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 8.2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 8.5 .service units in systemd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 8.7 Working with a particular service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 8.8 Enabling or disabling a service . . . . . . . . . . . . . . . . . . . .

disk to make room for Debian GNU/Linux. Anytime you partition your disk, you run a risk of losing everything on the disk, no matter what program you use to do it. The programs used in the installation of happens in the computer’s RAM, i.e. if you turn off the computer and boot the live system again, everything is reset to its defaults. If you want to see whether your hardware is supported by Debian GNU/Linux • initrd.gz (記憶體虛擬磁碟映像) If you intend to use the hard drive only for booting and then download everything over the network, you should download the netboot/debian-installer/amd64/initrd.gz file and its