《转载》 centos7 telnet安装与使用

原文地址:https://blog.csdn.net/u012259256/article/details/67639982

(1)先检查是否安装: telnet-server和xinetd

rpm -qa telnet-server
rpm -qa xinetd

(2)如果没有安装,则安装:

yum list |grep telnet

------->
telnet.x86_64 1:0.17-60.el7 @base
dcap-tunnel-telnet.x86_64 2.47.10-5.el7 epel
libguac-client-telnet.x86_64 1:0.9.12-1.el7 epel
libtelnet.x86_64 0.21-5.el7 epel
libtelnet-devel.x86_64 0.21-5.el7 epel
libtelnet-utils.x86_64 0.21-5.el7 epel
telnet-server.x86_64 1:0.17-60.el7 base

yum list |grep xinetd
-------->
xinetd.x86_64 2:2.3.15-13.el7 base

(3)执行安装:

yum -y install telnet-server.x86_64
yum -y install telnet.x86_64
yum -y install xinetd.x86_64

(4)设置开机启动:

systemctl enable xinetd.service
systemctl enable telnet.socket

(5)开启service:

systemctl start telnet.socket

systemctl start xinetd

(6)开启防火墙端口:

firewall-cmd --permanent --add-port=23/tcp

firewall-cmd --reload

tail -f /var/log/secure

报错:

Mar 28 18:09:47 localhost login: PAM 2 more authentication failures; logname= uid=0 euid=0 tty=pts/1 ruser= rhost=::ffff:10.102.45.38 user=root

vi /etc/securetty

添加

pts/0

pts/1


作者:钠离子zi
来源:CSDN
原文:https://blog.csdn.net/u012259256/article/details/67639982
版权声明:本文为博主原创文章,转载请附上博文链接!

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