我在尝试通过 SSH 连接 DO droplet 时遇到了问题。它正在运行 4 个 Python 脚本，通过 API 获取数据并存储在 MySQL 中（在同一个 Droplet 上运行）。当我运行 2 个 Python 脚本时没有问题，但当我运行 4 个 Python 脚本时，我开始遇到 SSH 问题。最初它给出了错误：
'shell request failed on channel 0
我无法登录。当我在发送-v开关后启用详细模式时，花了一段时间，然后使用以下信息登录：
OpenSSH_8.1p1, LibreSSL 2.7.3
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 47: Applying options for *
debug1: Connecting to 291.234.230.166 [291.234.230.166] port 22.
debug1: Connection established.
debug1: identity file dokey type 0
debug1: identity file dokey-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_8.1
debug1: Remote protocol version 2.0, remote software version OpenSSH_9.0p1 Ubuntu-1ubuntu7
debug1: match: OpenSSH_9.0p1 Ubuntu-1ubuntu7 pat OpenSSH* compat 0x04000000
debug1: Authenticating to 291.234.230.166:22 as 'root'
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: algorithm: curve25519-sha256
debug1: kex: host key algorithm: ecdsa-sha2-nistp256
debug1: kex: server->client cipher: [email protected] MAC: <implicit> compression: none
debug1: kex: client->server cipher: [email protected] MAC: <implicit> compression: none
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ecdsa-sha2-nistp256 SHA256:lznBqzR8ZwxO68S3OLtGe9CaVe/RwXDyhlHpYRL31ro
debug1: Host '291.234.230.166' is known and matches the ECDSA host key.
debug1: Found key in /Users/x/.ssh/known_hosts:125
debug1: rekey out after 134217728 blocks
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: rekey in after 134217728 blocks
debug1: Will attempt key: dokey RSA SHA256:xKO5RRccCVxxx+iIlF6lnN0 explicit
debug1: SSH2_MSG_EXT_INFO received
debug1: kex_input_ext_info: server-sig-algs=<ssh-ed25519,[email protected],ssh-rsa,rsa-sha2-256,rsa-sha2-512,ssh-dss,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,[email protected],[email protected]>
debug1: kex_input_ext_info: [email protected] (unrecognised)
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering public key: dokey RSA SHA256:xKO5RRccCVxxx+iIlF6lnN0 explicit
debug1: Server accepts key: dokey RSA SHA256:xKO5RRccCVxxx+iIlF6lnN0 explicit
debug1: Authentication succeeded (publickey).
Authenticated to 291.234.230.166 ([291.234.230.166]:22).
debug1: channel 0: new [client-session]
debug1: Requesting [email protected]
debug1: Entering interactive session.
debug1: pledge: network
debug1: client_input_global_request: rtype [email protected] want_reply 0
debug1: Remote: /root/.ssh/authorized_keys:1: key options: agent-forwarding port-forwarding pty user-rc x11-forwarding
debug1: Remote: /root/.ssh/authorized_keys:1: key options: agent-forwarding port-forwarding pty user-rc x11-forwarding
debug1: Sending environment.
debug1: Sending env LANG = en_US.UTF-8
debug1: Sending env LC_ALL = en_US.UTF-8
debug1: Sending env LC_CTYPE = UTF-8
Welcome to Ubuntu 22.10 (GNU/Linux 5.19.0-28-generic x86_64)
我不明白为什么会这样