Install Nemo File Manager in Ubuntu 12.10/12.04/13.04

Nemo is a complete fork of Nautilus and its goal is to extend the Cinnamon user experience to desktop and file management. Nemo has features like: compact view, all desktop icons, etc.. which are missing in Nautilus 3.6 version, Open in terminal and open as root, File operation progress while copy/move files shows percentage and details, Has nice GTK bookmarks management, up/forward/back and refresh buttons, Nice proper status bar, better search, better widgets and many more.

What Nemo offers:

• Built in "Open as root" context menu item
• Detachable tabs
• Unified, configurable toolbar: you can add/remove the following: up icon, refresh icon, toggle button for the location bar / path bar, home icon, computer icon and search icon.
• Option to show the full path in the titlebar and tab bars (Preferences > Display)
• Displays an "elevated privileges" banner when running as root
• Built in "Open in terminal" context menu item
• Added "Set as Wallpaper" to the context menu
• Added GTK bookmarks to the MoveTo/CopyTo context menus
• Switch view buttons on the toolbar (Grid, List and Compact views)
• Collapsable sidebar categories
• Drag and drop support for the bookmarks in the sidebar
• Sidebar: indicators under each drive, displaying the free/used space
• Support for sending files via Thunderbird and xdg-email
• Image properties improvements (merged from Nautilus 3.6)
• Memory leaks fixes (merged from Nautilus 3.6)
• and More!

To install stable Nemo File Manager in Ubuntu 12.10/12.04/13.04 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

• sudo add-apt-repository ppa:gwendal-lebihan-dev/cinnamon-stable
• sudo apt-get update
• sudo apt-get install nemo

To install Nightly Builds of Nemo File Manager in Ubuntu 12.10/12.04/13.04 open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

• sudo add-apt-repository ppa:gwendal-lebihan-dev/cinnamon-nightly
• sudo apt-get update
• sudo apt-get install nemo

Install Extra plugins for Nemo File Manager, First add PPA from above then install:

• sudo apt-get install nemo-compare nemo-dropbox nemo-fileroller nemo-pastebin nemo-seahorse nemo-share

That's it

Install Ubuntu Server Manager Utility in Ubuntu/Linux Mint

Ubuntu Server Manager is a Graphical-User-Interface to install and manage (Apache 2, MySQL, Proftpd, Samba, Monitorix, SSH, Nagios, Webmin) and to monitor the server log activity.
There are several other options for services like: Net activity viewer, Update dynamic IP, Putty for ssh, Open Ports to see server open connections, Logs, Clear logs option, Localhost scan using Nmap, Perform scan of IP/Domain name using Nmap, RKhunter to check if system is effected with rootkit, Firewall configuration option, Open apache www default folder as root, Webalizer to generate report of site.
This utility only manage local machine.

To install services Go to Help & Install > About & Install Servers 

Installation and removal of services

To install Ubuntu-Server-Manager in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:

• wget -O usm.deb http://goo.gl/QECjX
• sudo dpkg -i usm.deb && sudo rm usm.deb

That's it

Source: Ubuntu Server Mananger