Putty generate key SSH remote login Note Steps and Error resolution method

Putty generate key SSH remote login Note Steps and Error resolution method

"Putty Server refused our key" (resolution) Troubleshooting steps:

1.. ssh folder permissions and authorized_keys file Permissions

1-1 created . SSH directory and authorized_keys file

Mkdir–p/root/.ssh

Touch Authorized_keys

1-2 Modifying directories and file permissions

Chmod. SSH

Chmod Authorized_keys

2. Selinux security mechanism and Iptables firewall rule interception

2-1 temporary shutdown Selinux command:setenforce 0

temporarily shut down the firewall command:iptables–f

2-2 permanently off selinux: Modify the/etc/selinux/config profile setenforce=disabled ( restart takes effect )

Permanent pass - establishes firewall rules:

3.throughPuttycopied toAuthorized-keysin,But there are reports .Putty Server Refusedour keyError. Take a closer lookAuthorized-keysfiles,will find that the front isSh-rsa, missing aS,at this point, just add aS,thatSsh-rsayou can do it.

4. sshd is not configured correctly ( concession situation can be used as a troubleshooting, general situation without modification )

Modify/etc/ssh/sshd_config

4-1 , #StrictModesyes Change into Strictmodesno (Remove comments and change to No )

        4-2 , #PubkeyAuthenticationyes change to pubkeyauthentication Yes (uncomment)

4-3 , #AuthorizedKeysFile. Ssh/authorized_keys Change into authorizedkeysfile. Ssh/authorized_keys (Remove comments)

4-4 , Wq Save

4-5 , /etc/rc.d/init.d/sshdreload Reload

Font size settings

window->appearance->fontsettings ->change button settings (My settings are.)

Font color settings

window->colours->defaultforeground->modify settings (I like the green setting: r:0 g:255 b:64)

Also in the default black background blue look is not clear, you can change the Window->colours->ansi blue settings (I set to r:255 g:0 b:128)

Window->behaviour at the bottom there is a full screen onalt-enter hook on it.

Save session

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Putty generate key SSH remote login Note Steps and Error resolution