linux¾«»ªÃüÁî

1,ÓÃlsÖ»ÁгöĿ¼ ls -F | grep /$
2.²é¿´½ø³Ì
°´ÄÚ´æ´Ó´óµ½Ð¡ÅÅÁÐ
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/* | strings | grep "http:" | awk -F'http:' '{print "http:"$2;}'
5.²é¿´httpµÄ²¢·¢ÇëÇóÊý¼°ÆäTCPÁ¬½Ó״̬£º
netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'
6. sed -i '/Root/s/no/yes/' /etc/ssh/sshd_config   sedÔÚÕâ¸öÎÄÀïRootµÄÒ»ÐУ¬Æ¥ÅäRootÒ»ÐУ¬½«noÌæ»»³Éyes.
7.1.ÈçºÎɱµômysql½ø³Ì£º
ps aux|grep mysql|grep -v grep|awk '{print $2}'|xargs kill -9 (´ÓÖÐÁ˽⵽awkµÄÓÃ;)
killall -TERM mysqld
kill -9 `cat /usr/local/apache2/logs/httpd.pid`   ÊÔÊÔ²éɱ½ø³ÌPID
8.ÏÔʾÔËÐÐ3¼¶±ð¿ªÆôµÄ·þÎñ:
ls /etc/rc3.d/S* |cut -c 15-   (´ÓÖÐÁ˽⵽cutµÄÓÃ;£¬½ØÈ¡Êý¾Ý)
9.ÈçºÎÔÚ±àдSHELLÏÔʾ¶à¸öÐÅÏ¢£¬ÓÃEOF
cat << EOF
+--------------------------------------------------------------+
|       === Welcome to Tunoff services ===                |
+--------------------------------------------------------------+
EOF
10. for µÄÇÉÓÃ(Èç¸ømysql½¨ÈíÁ´½Ó)
cd /usr/local/mysql/bin
for i in *
do ln /usr/local/mysql/bin/$i /usr/bin/$i
done
11. È¡IPµØÖ·£º
ifconfig eth0 |grep "inet addr:" |awk '{print $2}'|cut -c 6-   »òÕß
ifconfig   | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'
12.ÄÚ´æµÄ´óС:
free -m |grep "Mem" | awk '{print $2}'
13.
netstat -an -t | grep ":80" | grep ESTABLISHED | awk '{printf "%s %s\n",$5,$6}' | sort
15.ÒòΪͬÊÂҪͳ¼ÆһϷþÎñÆ÷ÏÂÃæËùÓеÄjpgµÄÎļþµÄ´óС,дÁ˸öshell¸øËûÀ´Í³¼Æ.Ô­À´ÓÃxargsʵÏÖ,µ«ËûÒ»´Î´¦ÀíÒ»²¿·Ö,¸ãµÄÓжà¸ö×ܺÍ....,ÏÂÃæµÄÃüÁî¾ÍÄܽâ¾öÀ².
find / -name *.jpg -exec wc -c {} \;|awk '{print $1}'|awk '{a+=$1}END{print a}'
CPUµÄÊýÁ¿£¨¶àºËËã¶à¸öCPU£¬cat /proc/cpuinfo |gr