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The user-based access methods work by authorizing specific users to connect to the server. When a client establishes a connection to a server, it has to prove being controlled by an authorized user. The two methods based on authenticating users using networked identity management systems are SUN-DES-1 and MIT-KERBEROS-5 .
In Unix and Unix-like operating systems, chmod is the command and system call used to change the access permissions and the special mode flags (the setuid, setgid, and sticky flags) of file system objects (files and directories). Collectively these were originally called its modes, [1] and the name chmod was chosen as an abbreviation of change ...
ssh-agent creates a socket and then checks the connections from ssh. Everyone who is able to connect to this socket also has access to the ssh-agent. The permissions are set as in a usual Linux or Unix system. When the agent starts, it creates a new directory in /tmp with restrictive permissions. The socket is located in this directory.
PuTTY user manual (copy from 2022) PuTTY (/ ˈ p ʌ t i /) [4] is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection.
SSH is a protocol that can be used for many applications across many platforms including most Unix variants (Linux, the BSDs including Apple's macOS, and Solaris), as well as Microsoft Windows. Some of the applications below may require features that are only available or compatible with specific SSH clients or servers.
Accessing the chroot via SSH using the X11 forwarding (ssh -X) feature; xchroot an extended version of chroot for users and Xorg/X11 forwarding (socat/mount) An X11 VNC server and connecting a VNC client outside the environment. Atoms is a Linux Chroot Management Tool with a User-Friendly GUI. [15]
Security-Enhanced Linux (SELinux) is a Linux kernel security module that provides a mechanism for supporting access control security policies, including mandatory access controls (MAC). SELinux is a set of kernel modifications and user-space tools that have been added to various Linux distributions .
use ssh -X command to connect to the remote machine; request a local display/input service (e.g., export DISPLAY=[user's machine]:0 if not using SSH with X forwarding enabled) The remote X client application will then make a connection to the user's local X server, providing display and input to the user.