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cp -R /etc/skel /home/xxj
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chown xxj:xxj /home/xxj
ls -ld /home/xxj
chmod 700 /home/xxj
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passwd xxj
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userdel xxj
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userdel -r xxj
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echo "1" > /proc/sys/net/ipv4/ip_forward
modprobe ip_tables
modprobe ip_nat_ftp
modprobe ip_nat_irc
modprobe ip_conntrack
modprobe ip_conntrack_ftp
modprobe ip_conntrack_irc
iptables -F
iptables -X
iptables -Z
iptables -F -t nat
iptables -X -t nat
iptables -Z -t nat
iptables -P INPUT ......