Telnet is most likely to be used by system administrators, program developers and anyone who has a need to use specific applications or data located at a particular host computer. It\u2019s a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection. Telnet does not installed automatically on CentOS 6.3. You can issue the following command to confirm that telnet is working :<\/p>\n
\ntelnet localhost 80\n\n<\/pre>\nIf telnet client does not installed, it should return something like : <\/p>\n
\n[root@centos63 ~]# telnet localhost 80\n-bash: telnet: command not found\n\n<\/pre>\nIssue the following command to install telnet client :<\/p>\n
\n[root@centos63 ~]# yum install telnet -y\nLoaded plugins: fastestmirror, presto\nDetermining fastest mirrors\n * base: mirrors.hostemo.com\n * extras: mirrors.hostemo.com\n * updates: mirrors.hostemo.com\nCentOS6.3-Repository | 4.0 kB 00:00 ...\nbase | 3.7 kB 00:00\nextras | 3.0 kB 00:00\nupdates | 3.5 kB 00:00\nupdates\/primary_db | 2.2 MB 00:19\nSetting up Install Process\nResolving Dependencies\n--> Running transaction check\n---> Package telnet.i686 1:0.17-47.el6 will be installed\n--> Finished Dependency Resolution\n\nDependencies Resolved\n\n====================================================================================================\n Package Arch Version Repository Size\n====================================================================================================\nInstalling:\n telnet i686 1:0.17-47.el6 CentOS6.3-Repository 56 k\n\nTransaction Summary\n====================================================================================================\nInstall 1 Package(s)\n\nTotal download size: 56 k\nInstalled size: 102 k\nDownloading Packages:\nSetting up and reading Presto delta metadata\nProcessing delta metadata\nPackage(s) data still to download: 56 k\nRunning rpm_check_debug\nRunning Transaction Test\nTransaction Test Succeeded\nRunning Transaction\n Installing : 1:telnet-0.17-47.el6.i686 1\/1\n Verifying : 1:telnet-0.17-47.el6.i686 1\/1\n\nInstalled:\n telnet.i686 1:0.17-47.el6\n\nComplete!\n\n<\/pre>\nIf telnet client installed, it should return something like : <\/p>\n
\n[root@centos63 ~]# telnet localhost 80\nTrying ::1...\nConnected to localhost.\nEscape character is '^]'.\n\n<\/pre>\n","protected":false},"excerpt":{"rendered":"Telnet is most likely to be used by system administrators, program developers and anyone who has a need to use specific applications or data located at a particular host computer. It\u2019s a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection. … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72],"tags":[],"class_list":["post-144","post","type-post","status-publish","format-standard","hentry","category-networking"],"_links":{"self":[{"href":"https:\/\/www.qbytes.cloud\/index.php\/wp-json\/wp\/v2\/posts\/144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qbytes.cloud\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qbytes.cloud\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qbytes.cloud\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qbytes.cloud\/index.php\/wp-json\/wp\/v2\/comments?post=144"}],"version-history":[{"count":0,"href":"https:\/\/www.qbytes.cloud\/index.php\/wp-json\/wp\/v2\/posts\/144\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.qbytes.cloud\/index.php\/wp-json\/wp\/v2\/media?parent=144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qbytes.cloud\/index.php\/wp-json\/wp\/v2\/categories?post=144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qbytes.cloud\/index.php\/wp-json\/wp\/v2\/tags?post=144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}