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Tuesday, September 6, 2011

Using Rsync and SSH

Using Rsync and SSH: "This document covers using cron, ssh, and rsync to backup files over a local network or the Internet. Part of my goal is to ensure no user intervention is required when the computer is restarted (for passwords, keys, or key managers).
I like to backup some logging, mail, and configuration information sometimes on hosts across the network and Internet, and here is a way I have found to do it. You'll need these packages installed:
rsync
openssh
cron (or vixie-cron)"

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Monday, September 5, 2011

cPanel Glossary

cPanel Glossary: "Proxy: In computing, a computer or program that serves as an intermediary between two other entities. For instance, a proxy server receives a request from a client, finds the requested resource, and returns it to the client.
Public Key: A string of characters that a computer uses to encode or decode encrypted messages it receives. Typically, a public key will be placed on a server so that you can established an encrypted connection to that server.
public_ftp: A subdirectory, located inside your home directory, that contains files that are publicly accessible via FTP. FTP users may also upload files to this directory. This is the default directory users will access when they connect to your site via anonymous FTP.
public_html: A subdirectory, located inside your home directory, that contains files that are publicly accessible via HTTP. The www directory is a link to public_html. Any files and folders inside of public_html are visible over the Internet, unless you specifically protect them with password protection or using the .htaccess file.
"

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cPanel Glossary

cPanel Glossary: "SCP (Secure Copy Protocol): A method of transferring encrypted files from one computer to another. This method prevents data from being intercepted and read.
Shell: Software that allows you to interact with a computer. Many Unix shells allow you to type commands, and are often referred to as CLIs, or command line interfaces.
Shortcut: A link to an application which allows you to access it from a convenient location, like your computer’s desktop.
SMTP (Simple Mail Transfer Protocol): The standard method (protocol) that email clients use for sending messages. Email clients use the POP3 or IMAP protocols to receive mail from a server.
"

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Private IP Today: SSH/Shell Access

Private IP Today: SSH/Shell Access: "SSH/Shell Access: "cPanel comes equipped with an application called SSHTerm, which lets you connect to your website using SSH through cPanel.
SSHTerm is a Java application that opens a command line interface (CLI) in an application window within the browser.
To connect via SSHTerm using a username and password:
Click Connect using SSHTerm.
If cPanel prompts you to accept a certificate, do so. The application will load after a few moments.
Within the SSHTerm window, select File > New Connection.
Enter the web server’s IP address.
Click Advanced.
Enter the username in the Username field.""

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Thursday, August 25, 2011

OpenSSH Alternatives for Mac OS

OpenSSH Alternatives for Mac OS: ""Fugu SSH is a Mac OS X graphical frontend to OpenSSH's Secure File Transfer application (SFTP). Fugu allows you to take advantage of SFTP's security without having to sacrifice the ease of use found in a GUI. Fugu also includes support for SCP files transfers, and the ability to create secure tunnels through SSH."

Cyberduck is an SFTP and FTP browser for Mac OS X.
"Cyberduck is an open source SFTP (SSH Secure File Transfer) and FTP browser licenced under the GPL. It has been built from the ground up with usability in mind, having the same consistent graphical user interface for both SFTP and FTP browsing. Multiple connections are supported. [...] Core system technologies such as the Keychain and Rendezvous are supported.""

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Getting started with SSH - Kimmo Suominen

Getting started with SSH - Kimmo Suominen: "an copy files from the local system to a remote system or vice versa, or even between two remote systems using the scp command. To specify a file on a remote system simply prefix it with the name of the remote host followed by a colon.
If you leave off the filename of the copy or specify a directory only the name of the source file will be used. An easy way of retrieving a copy of a remote file into the current directory while keeping the name of the source file is to use a single dot as the destination.
beowulf% scp -p hrothgar:aliases .
beowulf%"

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Tuesday, August 23, 2011

The Hebrew Letters (excerpts): Chet

The Hebrew Letters (excerpts): Chet: Chet: The Life Dynamic of Run and Return

Chet is the letter of life (chaim, from the root chayah, whose most important letter is chet). We are taught in Chassidut that there are two levels of life "essential life" and "life to enliven." God Himself, as it were, is in the state of "Essential life." His creative power, continually permeating all of reality is "life to enliven." So in the Jewish soul: the essence of its root, at one with God, possesses the state of "essential life." The reflection of the light of the soul which shines below to enliven the body and its physical experience is at the level of "life to enliven." The second level of life, life as we know it in general, manifests itself as pulsation, the secret of "run and return."