# Host_Alias FILESERVERS = fs1, fs2
用戶別名
組別名
# User_Alias ADMINS = jsmith, mikem
# User_alias AdminsGroup=%xbin命令別名# Cmnd_Alias SOFTWARE = /bin/rpm, /usr/bin/up2date, /usr/bin/yum
配置
用戶 主機=(主機) 命令
root ALL=(ALL) ALL
sudoers文件配置
[root@xbin-S ~]# grep -v "##" /etc/sudoers
# Host_Alias FILESERVERS = fs1, fs2
# Host_Alias MAILSERVERS = smtp, smtp2
# User_Alias ADMINS = jsmith, mikem
# Cmnd_Alias NETWORKING = /sbin/route, /sbin/ifconfig, /bin/ping, /sbin/dhclient, /usr/bin/net, /sbin/iptables, /usr/bin/rfcomm, /usr/bin/wvdial, /sbin/iwconfig, /sbin/mii-tool
# Cmnd_Alias SOFTWARE = /bin/rpm, /usr/bin/up2date, /usr/bin/yum
# Cmnd_Alias SERVICES = /sbin/service, /sbin/chkconfig
# Cmnd_Alias LOCATE = /usr/bin/updatedb
# Cmnd_Alias STORAGE = /sbin/fdisk, /sbin/sfdisk, /sbin/parted, /sbin/partprobe, /bin/mount, /bin/umount
# Cmnd_Alias DELEGATING = /usr/sbin/visudo, /bin/chown, /bin/chmod, /bin/chgrp
# Cmnd_Alias PROCESSES = /bin/nice, /bin/kill, /usr/bin/kill, /usr/bin/killall
# Cmnd_Alias DRIVERS = /sbin/modprobe
# Defaults specification
#
# Refuse to run if unable to disable echo on the tty.
#
Defaults !visiblepw
#
# Preserving HOME has security implications since many programs
# use it when searching for configuration files. Note that HOME
# is already set when the the env_reset option is enabled, so
# this option is only effective for configurations where either
# env_reset is disabled or HOME is present in the env_keep list.
#
Defaults always_set_home
Defaults env_reset
Defaults env_keep = COLORS DISPLAY HOSTNAME HISTSIZE INPUTRC KDEDIR LS_COLORS
Defaults env_keep = MAIL PS1 PS2 QTDIR USERNAME LANG LC_ADDRESS LC_CTYPE
Defaults env_keep = LC_COLLATE LC_IDENTIFICATION LC_MEASUREMENT LC_MESSAGES
Defaults env_keep = LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER LC_TELEPHONE
Defaults env_keep = LC_TIME LC_ALL LANGUAGE LINGUAS _XKB_CHARSET XAUTHORITY
#
# Adding HOME to env_keep may enable a user to run unrestricted
# commands via sudo.
#
# Defaults env_keep = HOME
Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin
root ALL=(ALL) ALL
xbin ALL=(ALL) ALL
# %sys ALL = NETWORKING, SOFTWARE, SERVICES, STORAGE, DELEGATING, PROCESSES, LOCATE, DRIVERS
# %wheel ALL=(ALL) ALL
# %wheel ALL=(ALL) NOPASSWD: ALL
# ALL=/sbin/mount /mnt/cdrom, /sbin/umount /mnt/cdrom
# localhost=/sbin/shutdown -h now
#includedir /etc/sudoers.d
Defaults logfile=/var/log/sudo.log實戰命令
批量建立用戶
for user in chuji001 chuji002 chuji003 net001 senior001 manager001
do
useradd $user
echo 111111 | passwd --stdin $user
done
for n in `seq 5`
do
useradd -g phpers php00$n
echo 111111 | passwd --stdin php00$n
done
for user in kaifamanager001 seniorphpers
do
useradd $user
echo 111111 | passwd --stdin $user
done
sudoers 配置文件
Cmnd_Alias CY_CMD_1 = /usr/bin/free, /usr/bin/iostat ,/usr/bin/top, /bin/hostname, /sbin/ifconfig,/bin/netstat, /sbin/route
Cmnd_Alias GY_CMD_1 = /usr/bin/free, /usr/bin/iostat ,/usr/bin/top, /bin/hostname, /sbin/ifconfig,/bin/netstat, /sbin/route, /sbin/iptables, /etc/init.d/network, /bin/nice, /bin/kill/, /usr/bin/kill,/usr/bin/killall, /bin/rpm, /usr/bin/up2data, /user/bin/yum, /sbin/fdisk, /sbin/parted, /sbin/partprobe, /bin/mount, /bin/umount
Cmnd_Alias CK_CMD_1 = /usr/bin/tail /app/log*, /bin/grep /app/log*, /bin/cat, /bin/ls
Cmnd_Alias GK_CMD_1 = /sbin/service, /sbin/chkconfig, /bin/tail /app/log*, /bin/grep /app/log*, /bin/cat, /bin/ls, /bin/sh ~/scripts/deploy.sh
Cmnd_Alias GW_CMD_1 = /sbin/route, /sbin/ifconfig, /bin/ping, /sbin/dhclient, /usr/bin/net /sbin/iptables, /usr/bin/rfcomm, /usr/bin/wvdial, /sbin/iwconfig, /sbin/mii-tool, /bin/cat /var/log/*
User_Alias CHUJIADMINS = chuji001, chuji002, chuji003
User_Alias GWNETADMINS = net001
User_Alias CHUJI_KAIFA = %phpers
Runas_Alias OP = root
senior001 ALL=(OP) GY_CMD_1
manager001 ALL=(ALL) NOPASSWD:ALL
kaifamanager001 ALL=(ALL) ALL, /usr/bin/passwd [A-Za-z]*,!/usr/bin/passwd root, !/usr/sbin/visudo, ~/usr/bin/vi *sudoer*
seniorphpers ALL=(OP) GK_CMD_1
CHUJIADMINS ALL=(OP) CY_CMD_1
GWNETADMINS ALL=(OP) GW_CMD_1
CHUJI_KAIFA ALL=(OP) CK_CMD_1批量創建20個用戶，并設置密碼為用戶后隨機5位數
[root@xbin-S ~]# cat test5.sh
#!/bin/bash
export PTAH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
for n in `seq 20`
do
useradd user$n
echo user$n`echo user$n|md5sum | cut -c1-5` | passwd --stdin user$n
echo user$n:user$n`echo user$n|md5sum | cut -c1-5` >> /tmp/user_passwd.txt
#echo user$n`echo user$n|md5sum | cut -c1-5`
done更多關于云服務器，域名注冊，虛擬主機的問題，請訪問三五互聯官網：m.shinetop.cn