Category: ssh
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message from my hoster: “ssh_exchange_identification: Connection closed by remote host”
I just ran into this today and it was because the server I was trying to connect to was overloaded with processing. So it may be possible that the server is low on memory or CPU starved.
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SSH on Windows: OpenSSH, PuTTY
On Windows OpenSSH’s “SSH authentication agent” is meant to run as Windows “service“. Starting a couple of years back, Microsoft decided, to deactivate that service by default. Now there are corporations, that do not want to have the “ssh-agent” service running at all. No SSH authentication agent, no caching of ssh ID-s (after enquiring the…
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how do you copy the public key to an ssh-server? ssh-copy-id
$ ssh-copy-id -i ~/.ssh/id_ed25519-FOO.pub tim@just.some.other.server
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SSH Key Rotation
https://www.linuxjournal.com/content/ssh-key-rotation-posix-shell-sunset-nears-elderly-keys
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SSH, algorithms, key formats
https://en.wikipedia.org/wiki/Secure_Shell https://en.wikipedia.org/wiki/Ssh-keygen https://en.wikipedia.org/wiki/Ssh-keygen#Key_formats_supported
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updating my cygwin installation left me in trouble again — was: Microsoft Windows and the X Window System
https://en.wikipedia.org/wiki/X_Window_System https://en.wikipedia.org/wiki/Cygwin/X https://en.wikipedia.org/wiki/SSH_tunnel $ startxwin I usually prefer the rootless way. My applications nowadays “usually” run on a Linux (Debian, …) system or AIX. Update 2018-04-18: After some cygwin updating startxwin prefers to shut down immediately instead of offering me a menu (“xwin-xdg-menu … — an XDG Desktop Menu Specification menu“) in the system tray.…
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Microsoft Windows and the X Window System — new title: updating my cygwin installation left me in trouble again
https://en.wikipedia.org/wiki/X_Window_System https://en.wikipedia.org/wiki/Cygwin/X https://en.wikipedia.org/wiki/SSH_tunnel $ startxwin I usually prefer the rootless way. My applications nowadays “usually” run on a Linux (Debian, …) system or AIX. Update 2018-04-18: After some cygwin updating startxwin prefers to shut down immediately. I had no idea, that startxwin uses this start-up file: /etc/X11/xinit/startxwinrc . The last utility called there usually makes X wait…
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startup PuTTY’s authentication agent “Pageant” with private keys
PuTTY’s authentication agent pageant combines the functionality of ssh-agent and ssh-add, and if you start it up, it makes sense to add the necessary private keys on its command line. You can do this using a script, but in Windows it’s convenient to does this through a “.lnk” shortcut. And if you place that “.lnk”…
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RoR deploying with Mina, a “really fast deployer and server automation tool”
http://nadarei.co/mina/ https://twitter.com/JEG2/status/430731934566600704 It creates a Bash script, that is supposed to getting started remotely through SSH. It is based on Rake, the Ruby Makefile DSL. no YAML