The Digital Ocean cloud server console provides terminal access to the Ubuntu Linux cloud server. However, since we are modifying the configuration of the SSH server itself, there is a chance we could break the SSH server and lock ourselves out. Normally, we interact with the Ubuntu Linux cloud server hosted at Digital Ocean by connecting with an SSH terminal program. Using the Digital Ocean cloud server web console instead of an SSH terminal program to connect to the cloud server A user can own a subdirectory within its home directory.

A user cannot own its own home directoryĪ user cannot own its own home directory. The directory structure, ownerships, and permissions we applied to each directory anticipated that the directories would later be configured as chroot jail directories. In the preceding chapter, we created the usernames, specified their home directories, and specified the directory locations for websites. The formal term for this kind of directory is “chroot,” short for “change root directory.” We will configure the SSH server to limit each SFTP user to only be able to view or modify a specific directory and its subdirectories. You may want to give to a web contractor SFTP access for one of the websites hosted on the server, but also prevent that web contractor from viewing or modifying other files or directories on the server unrelated to the website. Why would you want to limit a user to a chroot jail directory?Ī web server can host multiple websites. This post assumes that you have performed the steps described in Chapter 6: Configuring an Ubuntu Linux cloud server to create a Linux Apache MySQL PHP (LAMP) web server, Part 2. In this post, we configure the SSH server on an Ubuntu Linux cloud server to limit SFTP directory visibility within chroot jail directories. Web presence step by step is a series of posts that show you to how to build a web presence. Next step: Chapter 8: Installing and configuring WordPress to create a website Previous step: Chapter 6: Configuring an Ubuntu Linux cloud server to create a Linux Apache MySQL PHP (LAMP) web server, Part 2

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