Ubuntu

Ubuntu 18.04 et ssh

Asked by abuche

hello ,

i have ver 18.04 , why it is impossible to update to 20.04 with a computer notebook ( flow too slow ) ?

My problem is with ssh :

Unable to negotiate with 192.168.1.30 port 22:

no matching key exchange method found. Their offer: diffie-hellman-group1-sha1

i just want to update ssh-server and keep ver 18.04

thanks for helping ...

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abuche (barbre) said : 		#1

 lscpu :
-----------------------------------------------------------------------------------
Architecture : x86_64
Mode(s) opératoire(s) des processeurs : 32-bit, 64-bit
Boutisme : Little Endian
Processeur(s) : 4
Liste de processeur(s) en ligne : 0-3
Thread(s) par cœur : 1
Cœur(s) par socket : 4
Socket(s) : 1
Nœud(s) NUMA : 1
Identifiant constructeur : GenuineIntel
Famille de processeur : 6
Modèle : 122
Nom de modèle : Intel(R) Celeron(R) N4120 CPU @ 1.10GHz
Révision : 8
Vitesse du processeur en MHz : 2028.925
Vitesse maximale du processeur en MHz : 2600,0000
Vitesse minimale du processeur en MHz : 800,0000
BogoMIPS : 2188.80
Virtualisation : VT-x
Cache L1d : 24K
Cache L1i : 32K
Cache L2 : 4096K
Nœud NUMA 0 de processeur(s) : 0-3

Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#2

18.04 is end of life and not supported in any way. I suggest you wipe the install off and do a clean install of 22.04. Alternatively you can play ahead and install 24.04 which is prerelease but due to for full release in April.

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abuche (barbre) said : 		#3

Thanks, I can't change my 18.04 installation.

I found an alternative to replace ssh.

For a remote connection between two computers there is TEAMVIEWER.

Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#4

Then you won't be supported. Install Windows XP then contact Microsoft for support. You'll get exactly the same result. Releases of operating systems fall away from support. You won't get any packages for updates and your OS will always be considered unsecure.

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abuche (barbre) said : 		#5

I will do this update with a new computer. It's good to block ssh when the version is no longer updated. SSH is the number one protocol that drives updates. There are others that can replace it without file transfer obligation.

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