Ubuntu编译最新OpenSSH - 郑羊羊咩的窝

https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/
官网到这里看看最新版是多少，换掉下面的命令

http://www.zlib.net/zlib-1.2.11.tar.gz
https://www.openssl.org/source/openssl-1.1.1.tar.gz
这是他的两个依赖，openssl不同系统对应能装的版本不一样，请注意，Ubuntu用的也就是上面这两个版本，所以不需要装

现在举安装OpenSSH的例子，依赖也是一样的，如果更新依赖那么依赖要先装

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wget https://cdn.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-8.9p1.tar.gz
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tar -xzvf openssh-8.9p1.tar.gz
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cd openssh-8.9p1.tar
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./configure
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make
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make install

好了，这样就装好了，但是系统自带的ssh需要处理掉，因为系统自带的装在/usr/bin而编译的装在/usr/local/bin

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rm /usr/bin/ssh
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rm /usr/bin/ssh-add
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rm /usr/bin/ssh-agent
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rm /usr/bin/ssh-argv0
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rm /usr/bin/ssh-copy-id
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rm /usr/bin/ssh-import-id
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rm /usr/bin/ssh-import-id-gh
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rm /usr/bin/ssh-import-id-lp
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rm /usr/bin/ssh-keygen
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rm /usr/bin/ssh-keyscan
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rm /usr/sbin/sshd
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ln -s /usr/local/bin/ssh /usr/bin/ssh
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ln -s /usr/local/bin/ssh-add /usr/bin/ssh-add
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ln -s /usr/local/bin/ssh-agent /usr/bin/ssh-agent
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ln -s /usr/local/bin/ssh-argv0 /usr/bin/ssh-argv0
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ln -s /usr/local/bin/ssh-copy-id /usr/bin/ssh-copy-id
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ln -s /usr/local/bin/ssh-import-id /usr/bin/ssh-import-id
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ln -s /usr/local/bin/ssh-import-id-gh /usr/bin/ssh-import-id-gh
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ln -s /usr/local/bin/ssh-import-id-lp /usr/bin/ssh-import-id-lp
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ln -s /usr/local/bin/ssh-keygen /usr/bin/ssh-keygen
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ln -s /usr/local/bin/ssh-keyscan /usr/bin/ssh-keyscan
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ln -s /usr/local/sbin/sshd /usr/sbin/sshd