6.10 Network apps
mozilla &
(in X terminal) Run the mozilla web browser. The current version is Mozilla 1.0.1 (Oct. 2002), and it is very nice. Mozilla is a descendant of netscape (netscape is on older Linux systems). Good alternatives are also konqueror and galeon (type konqueror& or galeon& in your Xterminal).
mozilla -display host:0.0 &
(in X terminal) Run mozilla on the current machine and direct the output to machine named "host" display 0 screen 0. Your current machine must have a permission to display on the machine "host" (typically given by executing the command xhost current_machine_name in the xterminal of the machine host. Other X-windows program can be run remotely the same way.
lynx file.html
View an html file or browse the net from the text mode. Although lynx's look or convenience of use is not as great as GUI-based browser, it is light-weight, almost always works, and does not require any configuration, as long as your networks is functional.
konqueror &
(in X terminal) File manager and web browser in one. Very nice, in many very competitive to mozilla. Comes with KDE.
pine
A good, old-fashioned, text-mode mail reader. Another old-fashioned and standard one is elm. Your mozilla mail will read the mail from your Internet account. pine will let you read the "local" mail, e.g. the mail your son or a cron process sends to you from a computer on your home network. The command mail could also be used for reading/composing mail, but it would be inconvenient--it is meant to be used in scripts for automation.
mutt
A really basic but extremely useful and fast mail reader.
A basic operating system tool for e-mail. Look at the previous commands for a better e-mail reader. mail is good if you wanted to send an e-mail from a shell script.
kmail &
(in X-terminal) Nice, GUI mail program. I use kmail, it is much better than netscape mail. I can have multiple accounts and retrieve mail from the smtp (local) server and pop3 servers (internet service provider) to the same mailbox. Simple and elegant. Supports digital signatures.
licq &
(in X terminal) An icq "instant messaging" client. Another good one is kxicq. Older distributions don't have an icq client installed, you may have to do download one and install it.
knode &
(in X terminal) Start my favourite newsgroup (usenet) reader. It is MUCH better than the netscape's built-in reader.
talk username1
Talk to another user currently logged on your machine (or use "talkusername1@machinename" to talk to a user on a different computer) . To accept the invitation to the conversation, type the command "talk username2". If somebody is trying to talk to you and it disrupts your work, your may use the command "mesg n" to refuse accepting messages. You may want to use "who" or "rwho" to determine the users who are currently logged-in. talk is one of the old-fashioned "standard" UNIX tools, yet it still can be cool and useful in some situations.
telnet server
Connect to another machine using the TELNET protocol. Use a remote machine name or IP address. You will be prompted for your login name and password--you must have an account on the remote machine to login. Telnet will connect you to another machine and let you operate on it as if you were sitting at its keyboard (almost). Telnet is not very secure--everything you type moves through the networks in open text, even your password! A competent system administrator on a computer "on-route" can read what you type. Use ssh (requires some setup) for encrypted transmission.
rlogin server
(=remote login) Connect to another machine. The login name/password from your current session is used; if it fails you are prompted for a password.
rsh server
(=remote shell) Yet another way to connect to a remote machine. The login name/password from your current session is used; if it fails you are prompted for a password.
ssh servername -l username
(=secure shell) Connect to a server (remote login) using a secure connection. ssh is secure because encrypts all the data transfered over the network using a pair of RSA"public-private" keys. If you don't specify the
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