Linux

操作系统&内核版本&环境变量
>cat /etc/issue
>cat /etc/*-release
>cat /etc/lsb-release
>cat /etc/redhat-release
cat /proc/version
>uname -a
>uname -mrs
>rpm -q kernel
>dmesg | grep Linux
>ls /boot | grep vmlinuz-
>cat /etc/profile
>cat /etc/bashrc
>cat ~/.bash_profile
>cat ~/.bashrc
>cat ~/.bash_logout
>env
>set
Root权限进程
>ps aux | grep root
>ps -ef | grep root
计划任务
>crontab -l
>ls -alh /var/spool/cron
>ls -al /etc/ | grep cron
>ls -al /etc/cron*
>cat /etc/cron*
>cat /etc/at.allow
>cat /etc/at.deny
>cat /etc/cron.allow
>cat /etc/cron.deny
>cat /etc/crontab
>cat /etc/anacrontab
>cat /var/spool/cron/crontabs/root
IP信息
>/sbin/ifconfig -a
>cat /etc/network/interfaces
>cat /etc/sysconfig/network
连接信息
>grep 80 /etc/services
>netstat -antup
>netstat -antpx
>netstat -tulpn
>chkconfig --list
>chkconfig --list | grep 3:on
>last
>w
用户信息
>id
>whomi
>w
>last
>cat /etc/passwd
>cat /etc/group
>cat /etc/shadow
>ls -alh /var/mail/
>grep -v -E "^#" /etc/passwd | awk -F: '$3 == 0 { print $1}'   # 列出超级用户
>awk -F: '($3 == "0") {print}' /etc/passwd   #列出超级用户
>cat /etc/sudoers
>sudo –l
操作记录
>cat ~/.bash_history
>cat ~/.nano_history
>cat ~/.atftp_history
>cat ~/.mysql_history
>cat ~/.php_history
可写目录
>find / -writable -type d 2>/dev/null      # 可写目录
>find / -perm -222 -type d 2>/dev/null     # 可写目录 
>find / -perm -o w -type d 2>/dev/null     # 可写目录
>find / -perm -o x -type d 2>/dev/null     # 可执行目录
>find / \( -perm -o w -perm -o x \) -type d 2>/dev/null   # 可写可执行目录

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