The construction process of TELNET,OPENSSH,VNC remote server under Linux

One: Build telnet Server (Note: Telnet is plaintext transmission, not encrypted.) Port number 23)

1:[root@lyt ~]# Mkdir/mnt/cdrom

[Root@lyt ~]# mount/dev/cdrom/mnt/cdrom/

[Root@lyt ~]# cd/mnt/cdrom/server/

[Root@lyt server]# rpm-qa |grep telnet #查询telnet服务器是否安装

[Root@lyt server]# ll telnet* #查询所有与telnet字符有关的软件包

[Root@lyt server]# RPM-IVH telnet-server-0.17-39.el5.i386.rpm #安装telnet服务器

2:[root@lyt server]# rpm-ql telnet-server #查询telnet-server software package Installation location:

[Root@lyt server]# vim/etc/xinetd.d/telnet #编辑该文件, as shown in figure:

[Root@lyt server]# service xinetd restart #启动telnet服务器. XINETD.D is a super daemon, and the Telnet service relies on the xinetd Super daemon.

3: Login with non-admin account:

Telnet using the root account login system is not safe. You can use Su-root to get administrator privileges. As shown in figure: