Mac

Restrict Users to SCP and SFTP and Block SSH Shell Access with rssh Chrooted Jail

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FTP is insecure protocol, but file-transfer is required all time. You can use OpenSSH Server to transfer file using SCP and SFTP (secure ftp) without setting up an FTP server. However, this feature also grants ssh shell access to a user.

In this article series we will help you provide secure restricted file-transfer services to your users without resorting to FTP. It also covers chroot jail setup instructions to lock down users to their own home directories (allow users to transfer files but not browse the entire Linux / UNIX file system of the server) as well as per user configurations.

Book Review: Linux Networking Cookbook

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Linux networking cookbook is a book for both a seasoned and new Linux network administrator. It includes valuable time saving recipes, tools and related resources. The book is written in clear and concise style with tons of examples and working code. Book covers wild verity of topics or so called recipes for Linux networking.

15 Tips That Could Save You Money On Your Next Mac Purchase

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If you are considering getting a Mac, here are some tips that could save you some money...

Which Linux Desktop Distribution is the best for me?

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Almost all new Linux wanna be guru (read as users who want to switch to Linux) asks a question:
I want to switch to Linux completely from Windows XP SP2. Which Linux version will be best - Redhat, SuSE, or other? I use my PC for:

Browsing Internet
Watching DVD / MP3
Writing CD/DVD
I’m also willing to spend a small amount of money if required to purchase Linux version.

Short answer is none. I can’t suggest *distro* name.

Quick Tip: Use remote Linux / UNIX GUI system, admin tools locally

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Technology has changed dramatically in the last decade. OpenSSH is one the best project. It allows you to control remote Linux / UNIX server using command line or GUI tools.

Do you miss GUI configuration server management tools such as Debian network-admin or Redhat/Cent os system-config-* tools/utilities while administrating a Linux server? Do you want to run GUI admin tools on a remote Linux server and get display on local desktop or laptop X server system?

This quick howto demonstrate the power of X11 forwarding using OpenSSH.

Step By Step Ubuntu 6.10 (Edgy Eft) GNU/Linux LAMP Server Setup

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Automatic LAMP (Linux, Apache, MySQL and PHP) In about 20 minutes, the time it takes to install Ubuntu Edgy Server Edition, you can have a LAMP server up and ready to go. This feature, exclusive to Ubuntu Server Edition, is available at the time of installation.

Samba share permissions simplified

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There are many ways to set permissions to your Samba shares and improve security. This article will cover some of the basic permissions and permission precedence.

Samba comes with different types of permissions for share. Try to remember few things about UNIX and Samba permissions.

(a) Linux system permissions take precedence over Samba permissions. For example if a directory does not have Linux write permission, setting samba writeable = Yes (see below) will not allow to write to shared directory / share.

Create a Custom DMG for sending people files

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Create a sharp-looking dmg for sending a handful of photos to a client. No third party tools required - just use disk utility.

Wake Your Mac from a PC

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How to wake up your mac from a pc. Or wake up a pc from a mac. Or any other combination of those two.

Auto Mail Any File Dropped in Finder Folder

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When you drop a file in the configured Finder folder it gets mailed to an address you pre-set. No additional clicks required. Great for sending files to a gmail archive. Step by step animated instructions.

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