It appears newer linux sshd configs\u00a0(fedora 22) by default include a smaller set of key exchange based mechanisms that they have turned on.<\/p>\n
This means that it gives errors saying it is unable to connect to the server. To fix this you need to enable some of the older key exchange mechanisms,<\/p>\n
Adding this line to \/etc\/ssh\/sshd_config and restarting the sshd server will fix it<\/p>\n
KexAlgorithms curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1\r\n\r\n<\/code><\/pre>\nCredits to:\u00a0http:\/\/serverfault.com\/questions\/692060\/mysql-workbench-with-debian-jessie-tcp-ip-over-ssh-does-not-work<\/p>\n","protected":false},"excerpt":{"rendered":"
It appears newer linux sshd configs\u00a0(fedora 22) by default include a smaller set of key exchange based mechanisms that they have turned on. This means that it gives errors saying it is unable to connect to the server. To fix this you need to enable some of the older key exchange mechanisms, Adding this line […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,5],"tags":[41,88,13,93,92,39,89,90,91],"class_list":["post-194","post","type-post","status-publish","format-standard","hentry","category-fixes","category-informational","tag-fedora","tag-fedora-22","tag-fix","tag-kexalgorithms","tag-key-exchange","tag-linux","tag-mysql-workbench","tag-ssh","tag-sshd"],"wppr_data":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2toWX-38","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":831,"url":"https:\/\/chewett.co.uk\/blog\/831\/enabling-ssh-ubuntu-16-04\/","url_meta":{"origin":194,"position":0},"title":"Enabling SSH on Ubuntu 16.04","author":"Chewett","date":"November 8, 2017","format":false,"excerpt":"By default you are not able to SSH into an Ubuntu 16.04\u00a0 machine and this blog post describes the steps needed to install SSH server. Installing OpenSSH Server To enable logging in from another computer via SSH you need to install a SSH\u00a0server. To do this you\u00a0can run the following\u2026","rel":"","context":"In "Informational"","block_context":{"text":"Informational","link":"https:\/\/chewett.co.uk\/blog\/category\/informational\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2017\/11\/enable_ssh_on_ubuntu.jpg?fit=800%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2017\/11\/enable_ssh_on_ubuntu.jpg?fit=800%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2017\/11\/enable_ssh_on_ubuntu.jpg?fit=800%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2017\/11\/enable_ssh_on_ubuntu.jpg?fit=800%2C800&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1698,"url":"https:\/\/chewett.co.uk\/blog\/1698\/enabling-ssh-on-ubuntu-18-04\/","url_meta":{"origin":194,"position":1},"title":"Enabling SSH on Ubuntu 18.04","author":"Chewett","date":"November 14, 2018","format":false,"excerpt":"By default Ubuntu 18.04 doesn't enable SSH, this post describes the steps you need to set up SSH. Enabling SSH on Ubuntu 18.04 Since many people will not require a SSH daemon on their computer this is not enabled by default. This means if you want to SSH into your\u2026","rel":"","context":"In "Informational"","block_context":{"text":"Informational","link":"https:\/\/chewett.co.uk\/blog\/category\/informational\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2018\/10\/enabling_ssh_ubuntu.jpg?fit=800%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2018\/10\/enabling_ssh_ubuntu.jpg?fit=800%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2018\/10\/enabling_ssh_ubuntu.jpg?fit=800%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2018\/10\/enabling_ssh_ubuntu.jpg?fit=800%2C800&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1321,"url":"https:\/\/chewett.co.uk\/blog\/1321\/how-to-install-the-official-mysql-community-server-on-fedora-28\/","url_meta":{"origin":194,"position":2},"title":"How to Install the official MySQL community server on Fedora 28","author":"Chewett","date":"July 25, 2018","format":false,"excerpt":"Today I talk about how you can install the official\u00a0MySQL community server on Fedora 28. Why you cant just use DNF to install mysql-server In the last couple versions of Fedora the default MySQL\u00a0distribution was changed to mariadb. 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What is ssh-keygen -G and -T used for? The command ssh-keygen -G was originally used to generate a list of prime numbers that could be used for key exchange. 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My machine would boot into the operating\u00a0system perfectly fine but would have no image on the screen. This post describes how I fixed this issue. The symptoms of the black screen on Fedora Initially I\u2026","rel":"","context":"In "Fixes"","block_context":{"text":"Fixes","link":"https:\/\/chewett.co.uk\/blog\/category\/fixes\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2017\/07\/black_screen_fedora_nvidia.jpg?fit=800%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2017\/07\/black_screen_fedora_nvidia.jpg?fit=800%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2017\/07\/black_screen_fedora_nvidia.jpg?fit=800%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/chewett.co.uk\/blog\/wp-content\/uploads\/2017\/07\/black_screen_fedora_nvidia.jpg?fit=800%2C800&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1290,"url":"https:\/\/chewett.co.uk\/blog\/1290\/fixing-no-module-named-mysqldb-in-fedora-28\/","url_meta":{"origin":194,"position":5},"title":"Fixing No module named MySQLdb in Fedora 28","author":"Chewett","date":"June 23, 2018","format":false,"excerpt":"Today I write about how you can fix the python error \"No module named MySQLdb\" in Fedora 28 Why this error occurs This can occur when you try and run a python script that imports the module MySQLdb. 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