如題中的問題修復：

修改文件 /etc/ansible/ansible.cfg 中的：

host_key_checking = False

注：如果文件?/etc/ansible/ansible.cfg 不存在則自己創建這個文件，文件內容參考：

# config file for ansible -- https://ansible.com/ # ===============================================# nearly all parameters can be overridden in ansible-playbook # or with command line flags. ansible will read ANSIBLE_CONFIG, # ansible.cfg in the current working directory, .ansible.cfg in # the home directory or /etc/ansible/ansible.cfg, whichever it # finds first[defaults]# some basic default values...#inventory = /etc/ansible/hosts #library = /usr/share/my_modules/ #module_utils = /usr/share/my_module_utils/ #remote_tmp = ~/.ansible/tmp #local_tmp = ~/.ansible/tmp #plugin_filters_cfg = /etc/ansible/plugin_filters.yml #forks = 5 #poll_interval = 15 #sudo_user = root #ask_sudo_pass = True #ask_pass = True #transport = smart #remote_port = 22 #module_lang = C #module_set_locale = False# plays will gather facts by default, which contain information about # the remote system. # # smart - gather by default, but don't regather if already gathered # implicit - gather by default, turn off with gather_facts: False # explicit - do not gather by default, must say gather_facts: True #gathering = implicit# This only affects the gathering done by a play's gather_facts directive, # by default gathering retrieves all facts subsets # all - gather all subsets # network - gather min and network facts # hardware - gather hardware facts (longest facts to retrieve) # virtual - gather min and virtual facts # facter - import facts from facter # ohai - import facts from ohai # You can combine them using comma (ex: network,virtual) # You can negate them using ! (ex: !hardware,!facter,!ohai) # A minimal set of facts is always gathered. #gather_subset = all# some hardware related facts are collected # with a maximum timeout of 10 seconds. This # option lets you increase or decrease that # timeout to something more suitable for the # environment. # gather_timeout = 10# Ansible facts are available inside the ansible_facts.* dictionary # namespace. This setting maintains the behaviour which was the default prior # to 2.5, duplicating these variables into the main namespace, each with a # prefix of 'ansible_'. # This variable is set to True by default for backwards compatibility. It # will be changed to a default of 'False' in a future release. # ansible_facts. # inject_facts_as_vars = True# additional paths to search for roles in, colon separated #roles_path = /etc/ansible/roles# uncomment this to disable SSH key host checking host_key_checking = False# change the default callback, you can only have one 'stdout' type enabled at a time. #stdout_callback = skippy## Ansible ships with some plugins that require whitelisting, ## this is done to avoid running all of a type by default. ## These setting lists those that you want enabled for your system. ## Custom plugins should not need this unless plugin author specifies it.# enable callback plugins, they can output to stdout but cannot be 'stdout' type. #callback_whitelist = timer, mail# Determine whether includes in tasks and handlers are "static" by # default. As of 2.0, includes are dynamic by default. Setting these # values to True will make includes behave more like they did in the # 1.x versions. #task_includes_static = False #handler_includes_static = False# Controls if a missing handler for a notification event is an error or a warning #error_on_missing_handler = True# change this for alternative sudo implementations #sudo_exe = sudo# What flags to pass to sudo # WARNING: leaving out the defaults might create unexpected behaviours #sudo_flags = -H -S -n# SSH timeout #timeout = 10# default user to use for playbooks if user is not specified # (/usr/bin/ansible will use current user as default) #remote_user = root# logging is off by default unless this path is defined # if so defined, consider logrotate #log_path = /var/log/ansible.log# default module name for /usr/bin/ansible #module_name = command# use this shell for commands executed under sudo # you may need to change this to bin/bash in rare instances # if sudo is constrained #executable = /bin/sh# if inventory variables overlap, does the higher precedence one win # or are hash values merged together? The default is 'replace' but # this can also be set to 'merge'. #hash_behaviour = replace# by default, variables from roles will be visible in the global variable # scope. To prevent this, the following option can be enabled, and only # tasks and handlers within the role will see the variables there #private_role_vars = yes# list any Jinja2 extensions to enable here: #jinja2_extensions = jinja2.ext.do,jinja2.ext.i18n# if set, always use this private key file for authentication, same as # if passing --private-key to ansible or ansible-playbook #private_key_file = /path/to/file# If set, configures the path to the Vault password file as an alternative to # specifying --vault-password-file on the command line. #vault_password_file = /path/to/vault_password_file# format of string {{ ansible_managed }} available within Jinja2 # templates indicates to users editing templates files will be replaced. # replacing {file}, {host} and {uid} and strftime codes with proper values. #ansible_managed = Ansible managed: {file} modified on %Y-%m-%d %H:%M:%S by {uid} on {host} # {file}, {host}, {uid}, and the timestamp can all interfere with idempotence # in some situations so the default is a static string: #ansible_managed = Ansible managed# by default, ansible-playbook will display "Skipping [host]" if it determines a task # should not be run on a host. Set this to "False" if you don't want to see these "Skipping" # messages. NOTE: the task header will still be shown regardless of whether or not the # task is skipped. #display_skipped_hosts = True# by default, if a task in a playbook does not include a name: field then # ansible-playbook will construct a header that includes the task's action but # not the task's args. This is a security feature because ansible cannot know # if the *module* considers an argument to be no_log at the time that the # header is printed. If your environment doesn't have a problem securing # stdout from ansible-playbook (or you have manually specified no_log in your # playbook on all of the tasks where you have secret information) then you can # safely set this to True to get more informative messages. #display_args_to_stdout = False# by default (as of 1.3), Ansible will raise errors when attempting to dereference # Jinja2 variables that are not set in templates or action lines. Uncomment this line # to revert the behavior to pre-1.3. #error_on_undefined_vars = False# by default (as of 1.6), Ansible may display warnings based on the configuration of the # system running ansible itself. This may include warnings about 3rd party packages or # other conditions that should be resolved if possible. # to disable these warnings, set the following value to False: #system_warnings = True# by default (as of 1.4), Ansible may display deprecation warnings for language # features that should no longer be used and will be removed in future versions. # to disable these warnings, set the following value to False: #deprecation_warnings = True# (as of 1.8), Ansible can optionally warn when usage of the shell and # command module appear to be simplified by using a default Ansible module # instead. These warnings can be silenced by adjusting the following # setting or adding warn=yes or warn=no to the end of the command line # parameter string. This will for example suggest using the git module # instead of shelling out to the git command. # command_warnings = False# set plugin path directories here, separate with colons #action_plugins = /usr/share/ansible/plugins/action #cache_plugins = /usr/share/ansible/plugins/cache #callback_plugins = /usr/share/ansible/plugins/callback #connection_plugins = /usr/share/ansible/plugins/connection #lookup_plugins = /usr/share/ansible/plugins/lookup #inventory_plugins = /usr/share/ansible/plugins/inventory #vars_plugins = /usr/share/ansible/plugins/vars #filter_plugins = /usr/share/ansible/plugins/filter #test_plugins = /usr/share/ansible/plugins/test #terminal_plugins = /usr/share/ansible/plugins/terminal #strategy_plugins = /usr/share/ansible/plugins/strategy# by default, ansible will use the 'linear' strategy but you may want to try # another one #strategy = free# by default callbacks are not loaded for /bin/ansible, enable this if you # want, for example, a notification or logging callback to also apply to # /bin/ansible runs #bin_ansible_callbacks = False# don't like cows? that's unfortunate. # set to 1 if you don't want cowsay support or export ANSIBLE_NOCOWS=1 #nocows = 1# set which cowsay stencil you'd like to use by default. When set to 'random', # a random stencil will be selected for each task. The selection will be filtered # against the `cow_whitelist` option below. #cow_selection = default #cow_selection = random# when using the 'random' option for cowsay, stencils will be restricted to this list. # it should be formatted as a comma-separated list with no spaces between names. # NOTE: line continuations here are for formatting purposes only, as the INI parser # in python does not support them. #cow_whitelist=bud-frogs,bunny,cheese,daemon,default,dragon,elephant-in-snake,elephant,eyes,\ # hellokitty,kitty,luke-koala,meow,milk,moofasa,moose,ren,sheep,small,stegosaurus,\ # stimpy,supermilker,three-eyes,turkey,turtle,tux,udder,vader-koala,vader,www# don't like colors either? # set to 1 if you don't want colors, or export ANSIBLE_NOCOLOR=1 #nocolor = 1# if set to a persistent type (not 'memory', for example 'redis') fact values # from previous runs in Ansible will be stored. This may be useful when # wanting to use, for example, IP information from one group of servers # without having to talk to them in the same playbook run to get their # current IP information. #fact_caching = memory#This option tells Ansible where to cache facts. The value is plugin dependent. #For the jsonfile plugin, it should be a path to a local directory. #For the redis plugin, the value is a host:port:database triplet: fact_caching_connection = localhost:6379:0#fact_caching_connection=/tmp# retry files # When a playbook fails by default a .retry file will be created in ~/ # You can disable this feature by setting retry_files_enabled to False # and you can change the location of the files by setting retry_files_save_path#retry_files_enabled = False #retry_files_save_path = ~/.ansible-retry# squash actions # Ansible can optimise actions that call modules with list parameters # when looping. Instead of calling the module once per with_ item, the # module is called once with all items at once. Currently this only works # under limited circumstances, and only with parameters named 'name'. #squash_actions = apk,apt,dnf,homebrew,pacman,pkgng,yum,zypper# prevents logging of task data, off by default #no_log = False# prevents logging of tasks, but only on the targets, data is still logged on the master/controller #no_target_syslog = False# controls whether Ansible will raise an error or warning if a task has no # choice but to create world readable temporary files to execute a module on # the remote machine. This option is False by default for security. Users may # turn this on to have behaviour more like Ansible prior to 2.1.x. See # https://docs.ansible.com/ansible/become.html#becoming-an-unprivileged-user # for more secure ways to fix this than enabling this option. #allow_world_readable_tmpfiles = False# controls the compression level of variables sent to # worker processes. At the default of 0, no compression # is used. This value must be an integer from 0 to 9. #var_compression_level = 9# controls what compression method is used for new-style ansible modules when # they are sent to the remote system. The compression types depend on having # support compiled into both the controller's python and the client's python. # The names should match with the python Zipfile compression types: # * ZIP_STORED (no compression. available everywhere) # * ZIP_DEFLATED (uses zlib, the default) # These values may be set per host via the ansible_module_compression inventory # variable #module_compression = 'ZIP_DEFLATED'# This controls the cutoff point (in bytes) on --diff for files # set to 0 for unlimited (RAM may suffer!). #max_diff_size = 1048576# This controls how ansible handles multiple --tags and --skip-tags arguments # on the CLI. If this is True then multiple arguments are merged together. If # it is False, then the last specified argument is used and the others are ignored. # This option will be removed in 2.8. #merge_multiple_cli_flags = True# Controls showing custom stats at the end, off by default #show_custom_stats = True# Controls which files to ignore when using a directory as inventory with # possibly multiple sources (both static and dynamic) #inventory_ignore_extensions = ~, .orig, .bak, .ini, .cfg, .retry, .pyc, .pyo# This family of modules use an alternative execution path optimized for network appliances # only update this setting if you know how this works, otherwise it can break module execution #network_group_modules=eos, nxos, ios, iosxr, junos, vyos# When enabled, this option allows lookups (via variables like {{lookup('foo')}} or when used as # a loop with `with_foo`) to return data that is not marked "unsafe". This means the data may contain # jinja2 templating language which will be run through the templating engine. # ENABLING THIS COULD BE A SECURITY RISK #allow_unsafe_lookups = False# set default errors for all plays #any_errors_fatal = False[inventory] # enable inventory plugins, default: 'host_list', 'script', 'yaml', 'ini', 'auto' #enable_plugins = host_list, virtualbox, yaml, constructed# ignore these extensions when parsing a directory as inventory source #ignore_extensions = .pyc, .pyo, .swp, .bak, ~, .rpm, .md, .txt, ~, .orig, .ini, .cfg, .retry# ignore files matching these patterns when parsing a directory as inventory source #ignore_patterns=# If 'true' unparsed inventory sources become fatal errors, they are warnings otherwise. #unparsed_is_failed=False[privilege_escalation] #become=True #become_method=sudo #become_user=root #become_ask_pass=False[paramiko_connection]# uncomment this line to cause the paramiko connection plugin to not record new host # keys encountered. Increases performance on new host additions. Setting works independently of the # host key checking setting above. #record_host_keys=False# by default, Ansible requests a pseudo-terminal for commands executed under sudo. Uncomment this # line to disable this behaviour. #pty=False# paramiko will default to looking for SSH keys initially when trying to # authenticate to remote devices. This is a problem for some network devices # that close the connection after a key failure. Uncomment this line to # disable the Paramiko look for keys function #look_for_keys = False# When using persistent connections with Paramiko, the connection runs in a # background process. If the host doesn't already have a valid SSH key, by # default Ansible will prompt to add the host key. This will cause connections # running in background processes to fail. Uncomment this line to have # Paramiko automatically add host keys. #host_key_auto_add = True[ssh_connection]# ssh arguments to use # Leaving off ControlPersist will result in poor performance, so use # paramiko on older platforms rather than removing it, -C controls compression use #ssh_args = -C -o ControlMaster=auto -o ControlPersist=60s# The base directory for the ControlPath sockets. # This is the "%(directory)s" in the control_path option # # Example: # control_path_dir = /tmp/.ansible/cp #control_path_dir = ~/.ansible/cp# The path to use for the ControlPath sockets. This defaults to a hashed string of the hostname, # port and username (empty string in the config). The hash mitigates a common problem users # found with long hostames and the conventional %(directory)s/ansible-ssh-%%h-%%p-%%r format. # In those cases, a "too long for Unix domain socket" ssh error would occur. # # Example: # control_path = %(directory)s/%%h-%%r #control_path =# Enabling pipelining reduces the number of SSH operations required to # execute a module on the remote server. This can result in a significant # performance improvement when enabled, however when using "sudo:" you must # first disable 'requiretty' in /etc/sudoers # # By default, this option is disabled to preserve compatibility with # sudoers configurations that have requiretty (the default on many distros). # #pipelining = False# Control the mechanism for transferring files (old) # * smart = try sftp and then try scp [default] # * True = use scp only # * False = use sftp only #scp_if_ssh = smart# Control the mechanism for transferring files (new) # If set, this will override the scp_if_ssh option # * sftp = use sftp to transfer files # * scp = use scp to transfer files # * piped = use 'dd' over SSH to transfer files # * smart = try sftp, scp, and piped, in that order [default] #transfer_method = smart# if False, sftp will not use batch mode to transfer files. This may cause some # types of file transfer failures impossible to catch however, and should # only be disabled if your sftp version has problems with batch mode #sftp_batch_mode = False# The -tt argument is passed to ssh when pipelining is not enabled because sudo # requires a tty by default. #use_tty = True# Number of times to retry an SSH connection to a host, in case of UNREACHABLE. # For each retry attempt, there is an exponential backoff, # so after the first attempt there is 1s wait, then 2s, 4s etc. up to 30s (max). #retries = 3[persistent_connection]# Configures the persistent connection timeout value in seconds. This value is # how long the persistent connection will remain idle before it is destroyed. # If the connection doesn't receive a request before the timeout value # expires, the connection is shutdown. The default value is 30 seconds. #connect_timeout = 30# Configures the persistent connection retry timeout. This value configures the # the retry timeout that ansible-connection will wait to connect # to the local domain socket. This value must be larger than the # ssh timeout (timeout) and less than persistent connection idle timeout (connect_timeout). # The default value is 15 seconds. #connect_retry_timeout = 15# The command timeout value defines the amount of time to wait for a command # or RPC call before timing out. The value for the command timeout must # be less than the value of the persistent connection idle timeout (connect_timeout) # The default value is 10 second. #command_timeout = 10[accelerate] #accelerate_port = 5099 #accelerate_timeout = 30 #accelerate_connect_timeout = 5.0# The daemon timeout is measured in minutes. This time is measured # from the last activity to the accelerate daemon. #accelerate_daemon_timeout = 30# If set to yes, accelerate_multi_key will allow multiple # private keys to be uploaded to it, though each user must # have access to the system via SSH to add a new key. The default # is "no". #accelerate_multi_key = yes[selinux] # file systems that require special treatment when dealing with security context # the default behaviour that copies the existing context or uses the user default # needs to be changed to use the file system dependent context. #special_context_filesystems=nfs,vboxsf,fuse,ramfs,9p# Set this to yes to allow libvirt_lxc connections to work without SELinux. #libvirt_lxc_noseclabel = yes[colors] #highlight = white #verbose = blue #warn = bright purple #error = red #debug = dark gray #deprecate = purple #skip = cyan #unreachable = red #ok = green #changed = yellow #diff_add = green #diff_remove = red #diff_lines = cyan[diff] # Always print diff when running ( same as always running with -D/--diff ) # always = no# Set how many context lines to show in diff # context = 3

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ssh 登錄出現Are you sure you want to continue connecting (yes/no)?解決方法

1. 可以使用ssh -o 的參數進行設置
例如: ssh?-o StrictHostKeyChecking=no?root@192.168.111.22
2. 修改/etc/ssh/ssh_config
將其中的

# StrictHostKeyChecking ask

改成

StrictHostKeyChecking no

總結

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