可以用sudo -V或sudo sudo -V命令查看sudo的版本信息。
luckfox-rv1106 login: oct1158
Password:
Processing /etc/profile... Done
[oct1158
@luckfox-rv1106 ~]$ sudo -V
Sudo version 1.9.16p2
Sudoers policy plugin version 1.9.16p2
Sudoers file grammar version 50
Sudoers I/O plugin version 1.9.16p2
Sudoers audit plugin version 1.9.16p2
[oct1158
@luckfox-rv1106 ~]$
[oct1158
@luckfox-rv1106 ~]$
[oct1158
@luckfox-rv1106 ~]$ sudo sudo -V
Password:
Sudo version 1.9.16p2
Configure options:
Sudoers policy plugin version 1.9.16p2
Sudoers file grammar version 50
Sudoers path: /etc/sudoers
Authentication methods: 'passwd'
Syslog facility if syslog is being used for logging: authpriv
Syslog priority to use when user authenticates successfully: notice
Syslog priority to use when user authenticates unsuccessfully: alert
Send mail if the user is not in sudoers
Lecture user the first time they run sudo
Require users to authenticate by default
Root may run sudo
Allow some information gathering to give useful error messages
Visudo will honor the EDITOR environment variable
Set the LOGNAME and USER environment variables
Length at which to wrap log file lines (0 for no wrap): 80
Authentication timestamp timeout: 5.0 minutes
Password prompt timeout: 5.0 minutes
Number of tries to enter a password: 3
Umask to use or 0777 to use user's: 022
Path to mail program: /usr/sbin/sendmail
Flags for mail program: -t
Address to send mail to: root
Subject line for mail messages: *** SECURITY information for %h ***
Incorrect password message: Sorry, try again.
Path to lecture status dir: /var/db/sudo/lectured
Path to authentication timestamp dir: /var/run/sudo/ts
Default password prompt: Password:
Default user to run commands as: root
Value to override user's $PATH with: /usr/local/sbin:/usr/local/bin:/usr/sbin:/u
sr/bin:/sbin:/bin
Path to the editor for use by visudo: /usr/bin/vi
When to require a password for 'list' pseudocommand: any
When to require a password for 'verify' pseudocommand: all
File descriptors >= 3 will be closed before executing a command
Reset the environment to a default set of variables
Environment variables to check for safety:
TZ
TERM
LINGUAS
LC_*
LANGUAGE
LANG
COLORTERM
Environment variables to remove:
*=()*
RUBYOPT
RUBYLIB
PYTHONUSERBASE
PYTHONINSPECT
PYTHONPATH
PYTHONHOME
TMPPREFIX
ZDOTDIR
READNULLCMD
NULLCMD
FPATH
PERL5DB
PERL5OPT
PERL5LIB
PERLLIB
PERLIO_DEBUG
JAVA_TOOL_OPTIONS
SHELLOPTS
BASHOPTS
GLOBIGNORE
PS4
BASH_ENV
ENV
TERMCAP
TERMPATH
TERMINFO_DIRS
TERMINFO
_RLD*
LD_*
PATH_LOCALE
NLSPATH
HOSTALIASES
RES_OPTIONS
LOCALDOMAIN
CDPATH
IFS
Environment variables to preserve:
XDG_CURRENT_DESKTOP
XAUTHORIZATION
XAUTHORITY
PS2
PS1
PATH
LS_COLORS
KRB5CCNAME
HOSTNAME
DISPLAY
COLORS
Locale to use while parsing sudoers: C
Always run commands in a pseudo-tty
Directory in which to store input/output logs: /var/log/sudo-io
File in which to store the input/output log: %{seq}
Add an entry to the utmp/utmpx file when allocating a pty
PAM service name to use: sudo
PAM service name to use for login shells: sudo
Attempt to establish PAM credentials for the target user
Create a new PAM session for the command to run in
Perform PAM account validation management
Do not allow PAM authentication modules to generate output
Enable sudoers netgroup support
Check parent directories for writability when editing files with sudoedit
Allow commands to be run even if sudo cannot write to the audit log
Allow commands to be run even if sudo cannot write to the log file
Log entries larger than this value will be split into multiple syslog messages:
960
File mode to use for the I/O log files: 0600
Execute commands by file descriptor instead of by path: digest_only
Type of authentication timestamp record: tty
Ignore case when matching user names
Ignore case when matching group names
Log when a command is allowed by sudoers
Log when a command is denied by sudoers
Sudo log server timeout in seconds: 30
Enable SO_KEEPALIVE socket option on the socket connected to the logserver
Verify that the log server's certificate is valid
Set the pam remote user to the user running sudo
The format of logs to produce: sudo
Allow an intercepted command to run set setuid or setgid programs
The largest size core dump file that may be created (in bytes): 0,0
Store plaintext passwords in I/O log input
List of regular expressions to use when matching a password prompt
[Pp]assword[: ]*
The mechanism used by the intercept and log_subcmds options: trace
Attempt to verify the command and arguments after execution
Local IP address and netmask pairs:
192.168.4.21/255.255.248.0
Sudoers I/O plugin version 1.9.16p2
Sudoers audit plugin version 1.9.16p2
[oct1158
@luckfox-rv1106 ~]$
