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redhatϵÁÐ(rhel,centos,fc) yum install package-name
debianϵÁÐ(debian,ubuntu)  apt-get install package-name
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redhat:  yum install python-devel
debian:  apt-get install python-dev
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redhat:  useradd user-name
debian:  useradd -m user-name
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# iptables -L            # ²é¿´·À»ðǽÉèÖÃ
# route -n             ......

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linux¾«»ªÃüÁî

1,ÓÃlsÖ»ÁгöĿ¼ ls -F | grep /$
2.²é¿´½ø³Ì
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ps -e   -o "%C   : %p : %z : %a"|sort -k5 -nr
3.°´cpuÀûÓÃÂÊ´Ó´óµ½Ð¡ÅÅÁÐ
ps -e   -o "%C   : %p : %z : %a"|sort   -nr
4.´òӡ˵cacheÀïµÄURL
grep -r -a   jpg /data/cache/* | ......

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# uname -a               # ²é¿´ÄÚºË/²Ù×÷ϵͳ/CPUÐÅÏ¢
# head -n 1 /etc/issue   # ²é¿´²Ù×÷ϵͳ°æ±¾
# cat /proc/cpuinfo      # ²é¿´CPUÐÅÏ¢
# hostname      &nbs ......

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