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Changes file security context chgrp: Changes file group ownership chown: Changes file ownership chmod: Changes the permissions of a file or directory cp: Copies a file or directory dd: Copies and converts a file df: Shows disk free space on file systems dir: Is exactly like "ls -C -b". (Files are by default listed in columns and sorted vertically.)
C programming Optional (SD) Create a tags file 3BSD cut: Text processing Mandatory Cut out selected fields of each line of a file System III cxref: C programming Optional (XSI) Generate a C-language program cross-reference table System V date: Misc Mandatory Display the date and time Version 1 AT&T UNIX dd: Filesystem Mandatory Convert and copy ...
Pound is a lightweight open source reverse proxy program and application firewall suitable to be used as a web server load balancing solution. Originally developed by an IT security company, it has a strong emphasis on security.
BackBox is a penetration test and security assessment oriented Ubuntu-based Linux distribution providing a network and informatic systems analysis toolkit. [3] It includes a complete set of tools required for ethical hacking and security testing.
Varnish is a reverse caching proxy [2] used as HTTP accelerator for content-heavy dynamic web sites as well as APIs.In contrast to other web accelerators, such as Squid, which began life as a client-side cache, or Apache and nginx, which are primarily origin servers, Varnish was designed as an HTTP accelerator.
A core security feature in these systems is the file system permissions. All files in a typical Unix filesystem have permissions set enabling different access to a file. Unix permissions permit different users access to a file with different privilege (e.g., reading, writing, execution).
The common practice of mounting users' home directories via Network File System exposes rlogin to attack by means of fake .rhosts files - this means that any of its security faults automatically plague rlogin. Due to these problems, the r-commands fell into relative disuse (with many Unix and Linux distributions no longer including them by ...
The System Security Services Daemon (SSSD) is software originally developed for the Linux operating system (OS) that provides a set of daemons to manage access to remote directory services and authentication mechanisms. [1] The beginnings of SSSD lie in the open-source software project FreeIPA (Identity, Policy and Audit). [2]