Linux Commands Cheat Sheet
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Check User SUDO Permission
Command:
sudo -l -U $USER_NAME
Example:
# Without permission
-bash-4.2# sudo -l -U jenkins
User jenkins is not allowed to run sudo on localhost.
# With permission
-bash-4.2# sudo -l -U root
Matching Defaults entries for root on localhost:
!visiblepw, always_set_home, match_group_by_gid, env_reset,
env_keep="COLORS DISPLAY HOSTNAME HISTSIZE KDEDIR LS_COLORS",
env_keep+="MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE",
env_keep+="LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES",
env_keep+="LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE",
env_keep+="LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY",
secure_path=/sbin\:/bin\:/usr/sbin\:/usr/bin
User root may run the following commands on localhost:
(ALL) ALL
-bash-4.2#
Generate Log File and Show on Screen Simultaneously
Command:
$COMMAND | tee build.log 2>&1
Example:
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