锘??xml version="1.0" encoding="utf-8" standalone="yes"?>国产大陆亚洲精品国产,亚洲开心婷婷中文字幕,亚洲成AV人片在线观看无http://www.tkk7.com/xiaomage234/category/28165.html鐢熷懡鏈氨鏄竴嬈″噭緹庣殑婕傛祦錛岃蹇嗕腑鏀句笉涓嬬殑錛屾案榪滄槸瀛╂彁鏃朵唬鐨勯偅涓浠芥氮婕笌綰湡錛?/description>zh-cnThu, 17 Sep 2015 07:12:17 GMTThu, 17 Sep 2015 07:12:17 GMT60linux nc(netcat)鍛戒護璇﹁Вhttp://www.tkk7.com/xiaomage234/archive/2015/09/16/427347.html灝忛┈姝?/dc:creator>灝忛┈姝?/author>Wed, 16 Sep 2015 01:01:00 GMThttp://www.tkk7.com/xiaomage234/archive/2015/09/16/427347.htmlhttp://www.tkk7.com/xiaomage234/comments/427347.htmlhttp://www.tkk7.com/xiaomage234/archive/2015/09/16/427347.html#Feedback0http://www.tkk7.com/xiaomage234/comments/commentRss/427347.htmlhttp://www.tkk7.com/xiaomage234/services/trackbacks/427347.html
NetCat錛屽湪緗戠粶宸ュ叿涓湁ldquo;鐟炲+鍐涘垁rdquo;緹庤獕錛屽叾鏈塛indows鍜孡inux鐨勭増鏈傚洜涓哄畠鐭皬綺炬倣錛?.84鐗堟湰涔熶笉榪?5k錛屾棫鐗堟湰鎴栫緝

NetCat錛屽湪緗戠粶宸ュ叿涓湁“鐟炲+鍐涘垁”緹庤獕錛屽叾鏈塛indows鍜孡inux鐨勭増鏈傚洜涓哄畠鐭皬綺炬倣錛?.84鐗堟湰涔熶笉榪?5k錛屾棫鐗堟湰鎴栫緝鍑忕増鐢氳嚦鏇村皬錛夈佸姛鑳藉疄鐢紝琚璁′負涓涓畝鍗曘佸彲闈犵殑緗戠粶宸ュ叿錛屽彲閫氳繃TCP鎴朥DP鍗忚浼犺緭璇誨啓鏁版嵁銆傚悓鏃訛紝瀹冭繕鏄竴涓綉緇滃簲鐢―ebug鍒嗘瀽鍣紝鍥犱負瀹冨彲浠ユ牴鎹渶瑕佸垱寤哄悇縐嶄笉鍚岀被鍨嬬殑緗戠粶榪炴帴銆?/p>

涓銆佺増鏈?br />閫氬父鐨凩inux鍙戣鐗堜腑閮藉甫鏈塏etCat錛堢畝縐皀c錛夛紝鐢氳嚦鍦ㄦ嫰鏁戞ā寮忓厜鐩樹腑涔熺敱busybox鎻愪緵浜嗙畝鐗堢殑nc宸ュ叿銆備絾涓嶅悓鐨勭増鏈紝鍏跺弬鏁扮殑浣跨敤鐣ユ湁宸紓銆?br />NetCat 瀹樻柟鍦板潃錛?/p>


寮曠敤[root@hatest1 ~]# cat /etc/asianux-release
Asianux release 2.0 (Trinity SP2)
[root@hatest1 ~]# cat /etc/redflag-release
Red Flag DC Server release 5.0 (Trinity SP2)
[root@hatest1 ~]# type -a nc
nc is /usr/bin/nc
[root@hatest1 ~]# rpm -q nc
nc-1.10-22

寤鴻鍦ㄤ嬌鐢ㄥ墠錛屽厛鐢╩an nc鐪嬬湅甯姪銆傝繖閲屼互綰㈡棗DC Server 5.0涓婄殑1.10鐗堟湰榪涜綆鍗曡鏄庛?br />鍋囪涓?a style="text-decoration: none; color: blue;">鏈嶅姟鍣?/a>淇℃伅錛?/p>

server1: 192.168.10.10
server2: 192.168.10.11

浜屻佸父瑙佷嬌鐢?br />1銆佽繙紼嬫嫹璐濇枃浠?br />浠巗erver1鎷瘋礉鏂囦歡鍒皊erver2涓娿傞渶瑕佸厛鍦╯erver2涓婏紝錛岀敤nc嬋媧葷洃鍚紝

server2涓婅繍琛岋細 nc -l 1234 > text.txt

server1涓婅繍琛岋細 nc 192.168.10.11 1234 < text.txt

娉細server2涓婄殑鐩戝惉瑕佸厛鎵撳紑


2銆佸厠闅嗙‖鐩樻垨鍒嗗尯
鎿嶄綔涓庝笂闈㈢殑鎷瘋礉鏄浄鍚岀殑錛屽彧闇瑕佺敱dd鑾峰緱紜洏鎴栧垎鍖虹殑鏁版嵁錛岀劧鍚庝紶杈撳嵆鍙?br />鍏嬮殕紜洏鎴栧垎鍖虹殑鎿嶄綔錛屼笉搴斿湪宸茬粡mount鐨勭殑緋葷粺涓婅繘琛屻傛墍浠ワ紝闇瑕佷嬌鐢ㄥ畨瑁呭厜鐩樺紩瀵煎悗錛岃繘鍏ユ嫰鏁戞ā寮忥紙鎴栦嬌鐢↘noppix宸ュ叿鍏夌洏錛夊惎鍔ㄧ郴緇熷悗錛屽湪server2涓婅繘琛岀被浼肩殑鐩戝惉鍔ㄤ綔錛?/p>

 nc -l -p 1234 | dd of=/dev/sda

server1涓婃墽琛屼紶杈擄紝鍗沖彲瀹屾垚浠巗erver1鍏嬮殕sda紜洏鍒皊erver2鐨勪換鍔★細

 dd if=/dev/sda | nc192.168.10.11 1234

※ 瀹屾垚涓婅堪宸ヤ綔鐨勫墠鎻愶紝鏄渶瑕佽惤瀹炲厜鐩樼殑鎷晳妯″紡鏀寔鏈嶅姟鍣?/a>涓婄殑緗戝崱錛屽茍姝g‘閰嶇疆IP銆?/p>

3銆佺鍙f壂鎻?br />鍙互鎵ц錛?/p>

# nc -v -w 2 192.168.10.11 -z 21-24
nc: connect to 192.168.10.11 port 21 (tcp) failed: Connection refused
Connection to 192.168.10.11 22 port [tcp/ssh] succeeded!
nc: connect to 192.168.10.11 port 23 (tcp) failed: Connection refused
nc: connect to 192.168.10.11 port 24 (tcp) failed: Connection refused 
-z鍚庨潰璺熺殑鏄鎵弿鐨勭鍙?/p>


4銆佷繚瀛榃eb欏甸潰

# while true; do nc -l -p 80 -q 1 < somepage.html; done


5銆佹ā鎷烪TTP Headers

寮曠敤[root@hatest1 ~]# nc 80
GET / HTTP/1.1
Host: ispconfig.org
Referrer: mypage.com
User-Agent: my-browser

HTTP/1.1 200 OK
Date: Tue, 16 Dec 2008 07:23:24 GMT
Server: Apache/2.2.6 (Unix) DAV/2 mod_mono/1.2.1 mod_python/3.2.8 Python/2.4.3 mod_perl/2.0.2 Perl/v5.8.8
Set-Cookie: PHPSESSID=bbadorbvie1gn037iih6lrdg50; path=/
Expires: 0
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Cache-Control: private, post-check=0, pre-check=0, max-age=0
Set-Cookie: oWn_sid=xRutAY; expires=Tue, 23-Dec-2008 07:23:24 GMT; path=/
Vary: Accept-Encoding
Transfer-Encoding: chunked
Content-Type: text/html
[......]

鍦╪c鍛戒護鍚庯紝杈撳叆綰㈣壊閮ㄥ垎鐨勫唴瀹癸紝鐒跺悗鎸変袱嬈″洖杞︼紝鍗沖彲浠庡鏂硅幏寰桯TTP Headers鍐呭銆?/p>

6銆佽亰澶?br />nc榪樺彲浠ヤ綔涓虹畝鍗曠殑瀛楃涓嬭亰澶╁伐鍏蜂嬌鐢紝鍚屾牱鐨勶紝server2涓婇渶瑕佸惎鍔ㄧ洃鍚細

server2涓婂惎鍔細# nc -lp 1234 
server1涓婁紶杈擄細# nc 192.168.10.11 1234


榪欐牱錛屽弻鏂瑰氨鍙互鐩鎬簰浜ゆ祦浜嗐備嬌鐢–trl+D姝e父閫鍑恒?/p>

7銆佷紶杈撶洰褰?br />浠巗erver1鎷瘋礉nginx-0.6.34鐩綍鍐呭鍒皊erver2涓娿傞渶瑕佸厛鍦╯erver2涓婏紝鐢╪c嬋媧葷洃鍚紝

server2涓婅繍琛岋細# nc -l 1234 |tar xzvf -

server1涓婅繍琛岋細# tar czvf - nginx-0.6.34|nc 192.168.10.11 1234

 


8銆佺敤nc鍛藉悕鎿嶄綔memcached

1錛夊瓨鍌ㄦ暟鎹細printf “set key 0 10 6rnresultrn” |nc 192.168.10.11 11211
2錛夎幏鍙栨暟鎹細printf “get keyrn” |nc 192.168.10.11 11211
3錛夊垹闄ゆ暟鎹細printf “delete keyrn” |nc 192.168.10.11 11211
4錛夋煡鐪嬬姸鎬侊細printf “statsrn” |nc 192.168.10.11 11211
5錛夋ā鎷焧op鍛戒護鏌ョ湅鐘舵侊細watch “echo stats” |nc 192.168.10.11 11211
6錛夋竻絀虹紦瀛橈細printf “flush_allrn” |nc 192.168.10.11 11211 (灝忓績鎿嶄綔錛屾竻絀轟簡緙撳瓨灝辨病浜嗭級



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linux mount 宸ヤ綔緇勬湇鍔″櫒http://www.tkk7.com/xiaomage234/archive/2012/07/04/382197.html灝忛┈姝?/dc:creator>灝忛┈姝?/author>Wed, 04 Jul 2012 07:34:00 GMThttp://www.tkk7.com/xiaomage234/archive/2012/07/04/382197.htmlhttp://www.tkk7.com/xiaomage234/comments/382197.htmlhttp://www.tkk7.com/xiaomage234/archive/2012/07/04/382197.html#Feedback0http://www.tkk7.com/xiaomage234/comments/commentRss/382197.htmlhttp://www.tkk7.com/xiaomage234/services/trackbacks/382197.html#!/bin/sh

defaultHost=//192.168.0.1/proj
defaultUserName=root
mountPath=/path/proj
host=$defaultHost
userName=$defaultUserName

if [ $# -eq 1 ]
then
    host=$1
    umount -l $mountPath
elif [ $# -eq 2 ]
then
    host=$1
    userName=$2
    umount -l $mountPath
elif [ $# -eq 3 ]
then
    host=$1
    userName=$2
    mountPath=$3
    umount -l $mountPath
fi
scmd="mount -t cifs -o user=$userName,password=workstation,rw,file_mode=0777,dir_mode=0777 $host $mountPath"
echo $scmd
eval $scmd


]]>
瀹炵敤鐨剆hell鑴氭湰鍛戒護鍜岃剼鏈愬師鍒涖?/title><link>http://www.tkk7.com/xiaomage234/archive/2012/03/15/371968.html</link><dc:creator>灝忛┈姝?/dc:creator><author>灝忛┈姝?/author><pubDate>Thu, 15 Mar 2012 10:31:00 GMT</pubDate><guid>http://www.tkk7.com/xiaomage234/archive/2012/03/15/371968.html</guid><wfw:comment>http://www.tkk7.com/xiaomage234/comments/371968.html</wfw:comment><comments>http://www.tkk7.com/xiaomage234/archive/2012/03/15/371968.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/xiaomage234/comments/commentRss/371968.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/xiaomage234/services/trackbacks/371968.html</trackback:ping><description><![CDATA[<div><div>鏈甯哥敤鐨?0澶hell鍛戒護:</div> <div>1 grep key ./file* -IR</div> <div>2 find . -name "xxx" --exec rm -rf {} \;</div> <div>3 rsync -avP -e ssh --exclude="config" /src/* /dest/</div> <div>4 tail -5 /etc/passwd | awk -F: 'BEGIN{t=0}{t=t+$3}END{print t}'</div> <div>5 sed -i 's/abc/123/' tmp</div> <div>6 ps aux |grep mysql</div> <div>7 df  -lh</div> <div>8 du /usr/local/ -lh --max-depth=1</div> <div>9 cat /etc/passwd | sort |uniq -c |wc -l</div> <div>10 netstat -an | awk '/^tcp/ {++arr[$NF];++arr["TOTAL_REQ"]} END{for(key in arr)print key,"\t",arr[key]}' | sort<br /><br /><br /><br />嫻嬭瘯鑴氭湰:<br /><div></div><div>#!/bin/bash</div><div>#stat by datestr</div><div>function stathour()</div><div>{</div><div>    datestr=$1</div><div>    for file in `ls ./thumnail_log/TESTSERVER_downloadstat_${datestr}* | awk '{print $NF}'`</div><div>    do</div><div><span style="white-space:pre"> </span>echo $file<span style="white-space:pre"> </span></div><div><span style="white-space:pre"> </span>awk '{print $10}' $file |sort -n |uniq -c</div><div>    done</div><div>}</div><div></div><div>function statday()</div><div>{</div><div>    datestr=$1</div><div>    echo $datestr</div><div>    awk '{print $10}' ./thumnail_log/TESTSERVER_downloadstat_${datestr}* |sort -n |uniq -c</div><div>}</div><div></div><div>function statperson()</div><div>{</div><div>    datestr=$1</div><div>    echo $datestr</div><div>    awk '{if($10=1)print $1,$10}' ./thumnail_log/TESTSERVER_downloadstat_${datestr}* |sort -n |uniq -c |sort -n |wc -l</div><div>}</div><div></div><div>function getstartday()</div><div>{</div><div>    local startday=""</div><div>    if [ $# -lt 1 ]</div><div>    then</div><div>       startday="2012-03-09"</div><div>    else</div><div>       startday=$1</div><div>    fi</div><div>    echo $startday</div><div>}</div><div></div><div>today=`date -d "tomorrow" +'%Y-%m-%d'`</div><div></div><div>startday=`getstartday $1`</div><div>cmd=$2</div><div>if [ -z $2 ];then</div><div>    cmd="d"</div><div>fi</div><div>echo "cmd:$cmd"</div><div></div><div>while [ $startday != $today ]</div><div>do</div><div>   #echo $startday</div><div>   case $cmd in</div><div>      h) stathour $startday;;</div><div>      d) statday $startday;;</div><div>      p) statperson $startday;;</div><div>      *) echo 'wrong cmd!';;</div><div>   esac</div><div>   startday=$(date -d "$startday +1 day" +%Y-%m-%d)</div><div>done</div><div></div><div></div><div></div></div></div><img src ="http://www.tkk7.com/xiaomage234/aggbug/371968.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/xiaomage234/" target="_blank">灝忛┈姝?/a> 2012-03-15 18:31 <a href="http://www.tkk7.com/xiaomage234/archive/2012/03/15/371968.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>linux SHELL鎶宸?/title><link>http://www.tkk7.com/xiaomage234/archive/2009/03/02/257387.html</link><dc:creator>灝忛┈姝?/dc:creator><author>灝忛┈姝?/author><pubDate>Mon, 02 Mar 2009 10:02:00 GMT</pubDate><guid>http://www.tkk7.com/xiaomage234/archive/2009/03/02/257387.html</guid><wfw:comment>http://www.tkk7.com/xiaomage234/comments/257387.html</wfw:comment><comments>http://www.tkk7.com/xiaomage234/archive/2009/03/02/257387.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/xiaomage234/comments/commentRss/257387.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/xiaomage234/services/trackbacks/257387.html</trackback:ping><description><![CDATA[<p style="font-family: Arial"><font size="4">1.鍒犻櫎0瀛楄妭鏂囦歡<br /> <span id="9fhr9t3" class="t_tag" >find</span> -type f -size 0 -exec rm -rf {} \;<br /> <br /> 2.鏌ョ湅榪涚▼<br /> 鎸夊唴瀛樹粠澶у埌灝忔帓鍒?br /> ps -e   -o "%C   : %p : %z : %a"|sort -k5 -nr<br /> <br /> 3.鎸塩pu鍒╃敤鐜囦粠澶у埌灝忔帓鍒?br /> ps -e   -o "%C   : %p : %z : %a"|sort   -nr<br /> <br /> 4.鎵撳嵃璇?span class="t_tag" >cache</span>閲岀殑URL<br /> grep -r -a   jpg /data/cache/* | strings | grep "http:" | <span id="xtdxjlf" class="t_tag" >awk</span> -F'http:' '{print "http:"$2;}'<br /> <br /> 5.鏌ョ湅http鐨勫茍鍙戣姹傛暟鍙婂叾TCP榪炴帴<span id="lbl9j9n" class="t_tag" >鐘舵?/span>錛?br /> netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'<br /> <br /> <br /> 6. <span id="39fzrjz" class="t_tag" >sed</span> -i '/Root/s/no/yes/' /etc/<span id="9v9nt3b" class="t_tag" >ssh</span>/sshd_config   sed鍦ㄨ繖涓枃閲孯oot鐨勪竴琛岋紝鍖歸厤Root涓琛岋紝灝唍o<span id="5pjrtt3" class="t_tag" >鏇挎崲</span>鎴恲es.<br /> <br /> 7.1.濡備綍鏉鎺?span class="t_tag" >mysql</span>榪涚▼錛?br /> ps aux|grep mysql|grep -v grep|awk '{print $2}'|xargs kill -9 (浠庝腑浜嗚В鍒癮wk鐨勭敤閫?<br /> <br /> killall -TERM mysqld<br /> <br /> kill -9 `cat /usr/local/apache2/logs/httpd.pid`   璇曡瘯鏌ユ潃榪涚▼PID<br /> <br /> <br /> <br /> 8.鏄劇ず榪愯3綰у埆寮鍚殑鏈嶅姟:<br /> ls /etc/rc3.d/S* |<span id="rzh3dxv" class="t_tag" >cut</span> -c 15-   (浠庝腑浜嗚В鍒癱ut鐨勭敤閫旓紝鎴彇鏁版嵁)<br /> <br /> 9.濡備綍鍦ㄧ紪鍐橲HELL鏄劇ず澶氫釜淇℃伅錛岀敤EOF<br /> cat << EOF<br /> +--------------------------------------------------------------+<br /> |       === Welcome to Tunoff services ===                |<br /> +--------------------------------------------------------------+<br /> EOF<br /> <br /> 10. for 鐨勫閥鐢?濡傜粰mysql寤鴻蔣閾炬帴)<br /> cd /usr/local/mysql/bin<br /> for i in *<br /> do ln /usr/local/mysql/bin/$i /usr/bin/$i<br /> done<br /> <br /> 11. 鍙朓P鍦板潃錛?br /> ifconfig eth0 |grep "inet addr:" |awk '{print $2}'|cut -c 6-   鎴栬?br /> <br /> ifconfig   | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk '{ print $1}'<br /> <br /> 12.鍐呭瓨鐨?span class="t_tag" >澶у皬</span>:<br /> free -m |grep "Mem" | awk '{print $2}'<br /> <br /> <br /> 13.<br /> netstat -an -t | grep ":80" | grep ESTABLISHED | awk '{printf "%s %s\n",$5,$6}' | sort<br /> <br /> 14.鏌ョ湅<span id="1rjd99x" class="t_tag" >Apache</span>鐨勫茍鍙戣姹傛暟鍙婂叾TCP榪炴帴鐘舵侊細<br /> netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'<br /> <br /> 15.鍥犱負鍚屼簨瑕佺粺璁′竴涓?span class="t_tag" >鏈嶅姟鍣?/span>涓嬮潰鎵鏈夌殑jpg鐨勬枃浠剁殑澶у皬,鍐欎簡涓?span class="t_tag" >shell</span>緇欎粬鏉ョ粺璁?鍘熸潵鐢▁args瀹炵幇,浣嗕粬涓嬈″鐞嗕竴閮ㄥ垎,鎼炵殑鏈夊涓誨拰....,涓嬮潰鐨?span class="t_tag" >鍛戒護</span>灝辮兘瑙e喅鍟?<br /> find / -name *.jpg -exec wc -c {} \;|awk '{print $1}'|awk '{a+=$1}END{print a}'<br /> <br /> <br /> CPU鐨勬暟閲忥紙澶氭牳綆楀涓狢PU錛宑at /proc/cpuinfo |grep -c processor錛夎秺澶氾紝<span id="v7zpbt9" class="t_tag" >緋葷粺</span>璐熻澆瓚婁綆錛屾瘡縐掕兘澶勭悊鐨勮姹傛暟涔熻秺澶氥?br /> <br /> --------------------------------------------------------------------------------------------------------------------<br /> 16   CPU璐熻澆   # cat /proc/loadavg<br /> 媯鏌ュ墠涓変釜杈撳嚭鍊兼槸鍚﹁秴榪囦簡緋葷粺閫昏緫CPU鐨?鍊嶃?nbsp; <br /> <br /> 18   CPU璐熻澆   #mpstat 1 1<br /> 媯鏌?idle鏄惁榪囦綆(姣斿灝忎簬5%)<br /> <br /> 19   鍐呭瓨絀洪棿   # free<br /> 媯鏌ree鍊兼槸鍚﹁繃浣?nbsp;  涔熷彲浠ョ敤 # cat /proc/meminfo<br /> <br /> 20   swap絀洪棿   # free<br /> 媯鏌wap used鍊兼槸鍚﹁繃楂?nbsp;  濡傛灉swap used鍊艱繃楂橈紝榪涗竴姝ユ鏌wap鍔ㄤ綔鏄惁棰戠箒錛?br /> # vmstat 1 5<br /> 瑙傚療si鍜宻o鍊兼槸鍚﹁緝澶?br /> <br /> 21   紓佺洏絀洪棿   # df -h<br /> 媯鏌ユ槸鍚︽湁鍒嗗尯浣跨敤鐜?Use%)榪囬珮(姣斿瓚呰繃90%)   濡傚彂鐜版煇涓垎鍖虹┖闂存帴榪戠敤灝斤紝鍙互榪涘叆璇ュ垎鍖虹殑鎸傝澆鐐癸紝鐢ㄤ互涓嬪懡浠ゆ壘鍑哄崰鐢ㄧ┖闂存渶澶氱殑鏂囦歡鎴栫洰褰曪細<br /> # du -cks * | sort -rn | head -n 10<br /> <br /> 22   紓佺洏I/O璐熻澆   # iostat -x 1 2<br /> 媯鏌/O浣跨敤鐜?%util)鏄惁瓚呰繃100%<br /> <br /> 23   緗戠粶璐熻澆   # sar -n DEV<br /> 媯鏌ョ綉緇滄祦閲?rxbyt/s, txbyt/s)鏄惁榪囬珮<br /> <br /> 24   緗戠粶閿欒   # netstat -i<br /> 媯鏌ユ槸鍚︽湁緗戠粶閿欒(drop fifo colls carrier)   涔熷彲浠ョ敤鍛戒護錛? cat /proc/net/dev<br /> <br /> 25 緗戠粶榪炴帴鏁扮洰   # netstat -an | grep -E “^(tcp)” | cut -c 68- | sort | uniq -c | sort -n<br /> <br /> 26   榪涚▼鎬繪暟   # ps aux | wc -l<br /> 媯鏌ヨ繘紼嬩釜鏁版槸鍚︽甯?(姣斿瓚呰繃250)<br /> <br /> 27   鍙繍琛岃繘紼嬫暟鐩?nbsp;  # vmwtat 1 5<br /> 鍒楃粰鍑虹殑鏄彲榪愯榪涚▼鐨勬暟鐩紝媯鏌ュ叾鏄惁瓚呰繃緋葷粺閫昏緫CPU鐨?鍊?br /> <br /> <br /> 28   榪涚▼   # top -id 1<br /> 瑙傚療鏄惁鏈夊紓甯歌繘紼嬪嚭鐜?br /> <br /> 29   緗戠粶鐘舵?nbsp;  媯鏌NS, 緗戝叧絳夋槸鍚﹀彲浠ユ甯歌繛閫?br /> <br /> 30   鐢ㄦ埛   # who | wc -l<br /> 媯鏌ョ櫥褰曠敤鎴鋒槸鍚﹁繃澶?(姣斿瓚呰繃50涓?   涔熷彲浠ョ敤鍛戒護錛? uptime<br /> <br /> 31   緋葷粺<span id="9dddfn3" class="t_tag" >鏃ュ織</span>   # cat /var/log/rflogview/*errors<br /> 媯鏌ユ槸鍚︽湁寮傚父閿欒璁板綍   涔熷彲浠ユ悳瀵諱竴浜涘紓甯稿叧閿瓧錛屼緥濡傦細<br /> # grep -i error /var/log/messages<br /> # grep -i fail /var/log/messages<br /> <br /> 32   鏍稿績鏃ュ織   # dmesg<br /> 媯鏌ユ槸鍚︽湁寮傚父閿欒璁板綍<br /> <br /> 33   緋葷粺鏃墮棿   # date<br /> 媯鏌ョ郴緇熸椂闂存槸鍚︽紜?br /> <br /> 34   鎵撳紑鏂囦歡鏁扮洰   # lsof | wc -l<br /> 媯鏌ユ墦寮鏂囦歡鎬繪暟鏄惁榪囧<br /> <br /> 35   鏃ュ織   # logwatch –print   閰嶇疆/etc/log.d/logwatch.conf錛屽皢 Mailto 璁劇疆涓鴻嚜宸辯殑email 鍦板潃錛屽惎鍔╩ail鏈嶅姟 (sendmail鎴栬?span class="t_tag" >postfix</span>)錛岃繖鏍峰氨鍙互姣忓ぉ鏀跺埌鏃ュ織鎶ュ憡浜嗐?br /> 緙虹渷logwatch鍙姤鍛婃槰澶╃殑鏃ュ織錛屽彲浠ョ敤# logwatch –print –range all 鑾峰緱鎵鏈夌殑<span id="z3b7p9r" class="t_tag" >鏃ュ織鍒嗘瀽</span>緇撴灉銆?br /> 鍙互鐢? logwatch –print –detail high 鑾峰緱鏇村叿浣撶殑鏃ュ織鍒嗘瀽緇撴灉(鑰屼笉浠呬粎鏄嚭閿欐棩蹇?銆?br /> <br /> 36.鏉鎺?0绔彛鐩稿叧鐨勮繘紼?br /> lsof -i :80|grep -v "PID"|awk '{print "kill -9",$2}'|sh<br /> <br /> 37.娓呴櫎鍍墊榪涚▼銆?br /> ps -eal | awk '{ if ($2 == "Z") {print $4}}' | kill -9<br /> <br /> 38.tcpdump 鎶撳寘 錛岀敤鏉ラ槻姝?0绔彛琚漢鏀誨嚮鏃跺彲浠ュ垎鏋愭暟鎹?br /> # tcpdump -c 10000 -i eth0 -n dst port 80 > /root/pkts<br /> <br /> 39.鐒跺悗媯鏌P鐨勯噸澶嶆暟 騫朵粠灝忓埌澶ф帓搴?娉ㄦ剰 "-t\ +0"   涓棿鏄袱涓┖鏍?br /> # less pkts | awk {'printf $3"\n"'} | cut -d. -f 1-4 | sort | uniq -c | awk {'printf $1" "$2"\n"'} | sort -n -t\ +0<br /> <br /> 40.鏌ョ湅鏈夊灝戜釜媧誨姩鐨?span class="t_tag" >php</span>-cgi榪涚▼<br /> netstat -anp | grep php-cgi | grep ^tcp | wc -l</font> </p> <p style="font-family: Arial"></p> <font style="font-family: Arial" size="4">chkconfig --list | awk '{if ($5=="3:on") print $1}'<br /> 41.kudzu鏌ョ湅緗戝崱鍨嬪彿<br /> kudzu --probe --class=network</font> <img src ="http://www.tkk7.com/xiaomage234/aggbug/257387.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/xiaomage234/" target="_blank">灝忛┈姝?/a> 2009-03-02 18:02 <a href="http://www.tkk7.com/xiaomage234/archive/2009/03/02/257387.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>(杞級Linux SHELL if 鍛戒護鍙傛暟璇存槑 http://www.tkk7.com/xiaomage234/archive/2008/03/24/188205.html灝忛┈姝?/dc:creator>灝忛┈姝?/author>Mon, 24 Mar 2008 04:10:00 GMThttp://www.tkk7.com/xiaomage234/archive/2008/03/24/188205.htmlhttp://www.tkk7.com/xiaomage234/comments/188205.htmlhttp://www.tkk7.com/xiaomage234/archive/2008/03/24/188205.html#Feedback0http://www.tkk7.com/xiaomage234/comments/commentRss/188205.htmlhttp://www.tkk7.com/xiaomage234/services/trackbacks/188205.html淇哄弽姝f槸緇忓父蹇樺晩錛岀敤鐨勬椂鍊欐繪槸緲葷鍊掓煖鐨勬壘涔熶笉鏄釜浜嬶紝鎶婂畠浠垪鍦ㄨ繖閲屽惂銆?/p>
  • –b 褰揻ile瀛樺湪騫朵笖鏄潡鏂囦歡鏃惰繑鍥炵湡
  • -c 褰揻ile瀛樺湪騫朵笖鏄瓧絎︽枃浠舵椂榪斿洖鐪?
  • -d 褰損athname瀛樺湪騫朵笖鏄竴涓洰褰曟椂榪斿洖鐪?
  • -e 褰損athname鎸囧畾鐨勬枃浠舵垨鐩綍瀛樺湪鏃惰繑鍥炵湡
  • -f 褰揻ile瀛樺湪騫朵笖鏄瑙勬枃浠舵椂榪斿洖鐪?
  • -g 褰撶敱pathname鎸囧畾鐨勬枃浠舵垨鐩綍瀛樺湪騫朵笖璁劇疆浜哠GID浣嶆椂榪斿洖涓虹湡
  • -h 褰揻ile瀛樺湪騫朵笖鏄鍙烽摼鎺ユ枃浠舵椂榪斿洖鐪燂紝璇ラ夐」鍦ㄤ竴浜涜佺郴緇熶笂鏃犳晥
  • -k 褰撶敱pathname鎸囧畾鐨勬枃浠舵垨鐩綍瀛樺湪騫朵笖璁劇疆浜?#8220;綺樻粸”浣嶆椂榪斿洖鐪?
  • -p 褰揻ile瀛樺湪騫朵笖鏄懡浠ょ閬撴椂榪斿洖涓虹湡
  • -r 褰撶敱pathname鎸囧畾鐨勬枃浠舵垨鐩綍瀛樺湪騫朵笖鍙鏃惰繑鍥炰負鐪?
  • -s 褰揻ile瀛樺湪鏂囦歡澶у皬澶т簬0鏃惰繑鍥炵湡
  • -u 褰撶敱pathname鎸囧畾鐨勬枃浠舵垨鐩綍瀛樺湪騫朵笖璁劇疆浜哠UID浣嶆椂榪斿洖鐪?
  • -w 褰撶敱pathname鎸囧畾鐨勬枃浠舵垨鐩綍瀛樺湪騫朵笖鍙墽琛屾椂榪斿洖鐪熴備竴涓洰褰曚負浜嗗畠鐨勫唴瀹硅璁塊棶蹇呯劧鏄彲鎵ц鐨勩?
  • -o 褰撶敱pathname鎸囧畾鐨勬枃浠舵垨鐩綍瀛樺湪騫朵笖琚瓙褰撳墠榪涚▼鐨勬湁鏁堢敤鎴稩D鎵鎸囧畾鐨勭敤鎴鋒嫢鏈夋椂榪斿洖鐪熴?/li>

UNIX Shell 閲岄潰姣旇緝瀛楃鍐欐硶錛?/p>

  • -eq   絳変簬
  • -ne    涓嶇瓑浜?
  • -gt    澶т簬
  • -lt    灝忎簬
  • -le    灝忎簬絳変簬
  • -ge   澶т簬絳変簬
  • -z    絀轟覆
  • =    涓や釜瀛楃鐩哥瓑
  • !=    涓や釜瀛楃涓嶇瓑
  • -n    闈炵┖涓?/li>


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鐢╯hell鐨刦ind鍛戒護鍒犻櫎n澶╁墠鐨勬枃浠?/title><link>http://www.tkk7.com/xiaomage234/archive/2007/12/21/169479.html</link><dc:creator>灝忛┈姝?/dc:creator><author>灝忛┈姝?/author><pubDate>Fri, 21 Dec 2007 15:43:00 GMT</pubDate><guid>http://www.tkk7.com/xiaomage234/archive/2007/12/21/169479.html</guid><wfw:comment>http://www.tkk7.com/xiaomage234/comments/169479.html</wfw:comment><comments>http://www.tkk7.com/xiaomage234/archive/2007/12/21/169479.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/xiaomage234/comments/commentRss/169479.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/xiaomage234/services/trackbacks/169479.html</trackback:ping><description><![CDATA[涓昏鏄埄鐢╢ind鍛戒護鐨刴time鍙傛暟n[n涓烘暣鏁癩錛岃〃紺烘渶鍚庝慨鏀規椂闂村湪n*24灝忔椂涔嬪墠銆?br />  n瑕佸甫絎﹀彿銆?br /> 鍙疄闄呬笂 +0 鐨勫惈涔夊茍涓嶆槸琛ㄧず0灝忔椂涔嬪墠錛岃屾槸琛ㄧず24灝忔椂涔嬪墠錛岃窡 n=1鐨勫惈涔変竴鏍楓?br /> <br /> 鍊煎緱涓鎻愮殑鏄繕鏈変袱涓被浼肩殑鍙傛暟 atime鍜宑time銆?br /> atime琛ㄧず鏂囦歡鐨勬渶鍚庤闂椂闂達紝ctime琛ㄧず鏂囦歡鐨勬渶鍚庣姸鎬佷慨鏀規椂闂?<br /> <br /> 榪欓噷灝嗗畬鏁寸殑鑴氭湰璐村嚭鏉ワ細<br /> <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><span style="color: #008080">1</span><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><span style="color: #000000">#</span><span style="color: #000000">!/</span><span style="color: #000000">bin</span><span style="color: #000000">/</span><span style="color: #000000">bash<br /> </span><span style="color: #008080">2</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />#鍒犻櫎tmp鐩綍涓嬬鍚?nbsp;</span><span style="color: #000000">*</span><span style="color: #000000">.htm妯″紡鐨勬枃浠訛紝涓嶈繘琛岄掑綊銆?br /> </span><span style="color: #008080">3</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />ARCHDIR</span><span style="color: #000000">=/</span><span style="color: #000000">tmp</span><span style="color: #000000">/</span><span style="color: #000000"><br /> </span><span style="color: #008080">4</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />ARCHDAY</span><span style="color: #000000">=+</span><span style="color: #000000">0</span><span style="color: #000000"><br /> </span><span style="color: #008080">5    </span><span style="color: #000000">find $ARCHDIR </span><span style="color: #000000">-</span><span style="color: #000000">mtime $ARCHDAY </span><span style="color: #000000">-</span><span style="color: #000000">a </span><span style="color: #000000">-</span><span style="color: #000000">type f </span><span style="color: #000000">-</span><span style="color: #000000">a </span><span style="color: #000000">-</span><span style="color: #000000">name </span><span style="color: #000000">"</span><span style="color: #000000">*.htm</span><span style="color: #000000">"</span><span style="color: #000000"> </span><span style="color: #000000">-</span><span style="color: #000000">maxdepth </span><span style="color: #000000">1</span><span style="color: #000000"> </span><span style="color: #000000">-</span><span style="color: #000000">exec ls </span><span style="color: #000000">-</span><span style="color: #000000">l </span><span id="Codehighlighter1_149_150_Open_Text"><span style="color: #000000">{}</span></span><span style="color: #000000"> \;<br /> </span><span style="color: #008080">6    </span><span style="color: #000000">find $ARCHDIR </span><span style="color: #000000">-</span><span style="color: #000000">mtime $ARCHDAY </span><span style="color: #000000">-</span><span style="color: #000000">a </span><span style="color: #000000">-</span><span style="color: #000000">type f </span><span style="color: #000000">-</span><span style="color: #000000">a </span><span style="color: #000000">-</span><span style="color: #000000">name </span><span style="color: #000000">"</span><span style="color: #000000">*.htm</span><span style="color: #000000">"</span><span style="color: #000000"> </span><span style="color: #000000">-</span><span style="color: #000000">maxdepth </span><span style="color: #000000">1</span><span style="color: #000000"> </span><span style="color: #000000">-</span><span style="color: #000000">exec </span><span style="color: #000000">/</span><span style="color: #000000">bin</span><span style="color: #000000">/</span><span style="color: #000000">rm </span><span id="Codehighlighter1_240_241_Open_Text"><span style="color: #000000">{}</span></span><span style="color: #000000"> \;</span></div> <img src ="http://www.tkk7.com/xiaomage234/aggbug/169479.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/xiaomage234/" target="_blank">灝忛┈姝?/a> 2007-12-21 23:43 <a href="http://www.tkk7.com/xiaomage234/archive/2007/12/21/169479.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>BlogJava涔媢nix shell緙栫▼http://www.tkk7.com/xiaomage234/archive/2007/12/09/166420.html灝忛┈姝?/dc:creator>灝忛┈姝?/author>Sun, 09 Dec 2007 03:42:00 GMThttp://www.tkk7.com/xiaomage234/archive/2007/12/09/166420.htmlhttp://www.tkk7.com/xiaomage234/comments/166420.htmlhttp://www.tkk7.com/xiaomage234/archive/2007/12/09/166420.html#Feedback1http://www.tkk7.com/xiaomage234/comments/commentRss/166420.htmlhttp://www.tkk7.com/xiaomage234/services/trackbacks/166420.html shell鐨勫姛鑳藉緢寮哄ぇ錛屽熀鏈瑄nix鏈夌殑鏈嶅姟錛岄兘鍙互閫氳繃shell鍘昏皟鐢紝瀵逛簬緋葷粺綆$悊鍛樻槸蹇呭鐨勬妧鑳斤紝鍙互鑺傜害涓嶅皯鏃墮棿錛屾彁楂樻晥鐜囥?br /> shell閲岋紝awk,sed,grep榪?縐嶇被鍨嬪姛鑳芥渶寮哄ぇ銆?br /> awk鎻愪緵瀛楃涓插鐞嗗姛鑳斤紝鏂逛究榪涜鍒嗘瀽緇熻錛?br /> sed鏄祦鏂囨湰緙栬緫鍛戒護宸ュ叿錛屽姛鑳藉ぇ浜巚i錛?br /> grep鑳芥牴鎹鍒欒〃杈懼紡榪涜鏌ユ壘錛屾敮鎸佺閬撹繃婊ゃ?br /> 榪欓噷鏍規嵁宸ヤ綔鐢ㄥ埌鐨勪竴涓瘡澶╁畾鏃舵竻闄澶╀箣鍓嶇殑mysql鏁版嵁搴撴枃浠朵負渚嬨?br /> 涓昏鏄緷鎹瘡澶╃敓鎴愮殑琛ㄧ殑鏃ユ湡瀛楃涓茶窡7澶╁墠瀛楃涓茬殑鍊艱繘琛屾瘮杈冦俒榪欓噷鏄ぇ灝忔瘮杈僝
 1#!/bin/bash
 2datestr=`date --date="7 day ago" +%Y%m%d`
 3find /usr/local/mysql-standard-4.1.7-pc-linux-i686/data/movie_pvfrom/ -name '*.frm' --name '*_200*' --name '*.MYD' --name '*_2
 400*' -o -name '*.MYI'  -a -name '*_200*' > tmp
 5fileList=`more < tmp`
 6for fileName in $fileList
 7do
 8MovedDir2=`echo $fileName|awk -F/ '{print $NF}'|awk -F_ '{print substr($NF, 0, 8)}'`
 9if [ $MovedDir2 -lt $datestr ]
10then
11echo $fileName
12rm $fileName
13fi
14done

涓琛屼竴琛岃В閲婁竴涓嬶細
1錛岃〃紺鴻繖涓剼鏈互bash shell鏉ヨВ閲婃墽琛岋紱
2錛宒ate鍛戒護錛岃緗彉閲廳atestr涓?澶╁墠鐨勫勾鏈堟棩鏍煎紡鐨勫?
3,4,  鏌ユ壘鏁版嵁搴撴枃浠剁洰褰曚笅鐨?frm,.MYD,.MYI鏂囦歡錛屽茍涓旀枃浠跺悕鍚湁"_200"瀛楃涓詫紝灝嗚繖浜涙枃浠剁殑璺緞閲嶅畾鍚戝埌 tmp鏂囦歡;
5,灝唗mp鐨勬暟鎹鍒板彉閲廸ileList;
6,7,14,寰幆緇撴瀯錛屾瘡嬈¤涓琛屾暟鎹紱
8錛岃緗彉閲廙ovedDir2鐨勫間負涓琛屾暟鎹殑鏈鍚庝竴涓?/"鍒嗛殧鍙峰肩殑鏈鍚庝竴涓?_"鍒嗛殧鍙風殑鍓?浣嶅瓧絎?
[鍋囪涓琛屾暟鎹負"/usr/local/mysql-standard-4.1.7-pc-linux-i686/data/movie_end/end_20071206.MYI"錛岄偅涔堝彉閲廙ovedDir2鐨勫間負 20071206]
9,10,13,鍒ゆ柇 鍙橀噺MovedDir2鐨勫?鏄惁灝忎簬datestr鐨勫鹼紝鏉′歡鍒ゆ柇緇撴瀯錛?br /> 11錛屽洖鏄?鍙橀噺fileName鐨勫鹼紱
12錛屽垹闄ゅ彉閲廸ileName瀹氫綅鐨勬枃浠訛紱

demo鎬葷粨錛?br /> 1錛屽驚鐜紝鍒ゆ柇緇撴瀯鐨勪嬌鐢紱
2錛宒ate,find,awk,rm鍛戒護鐨勫埄鐢紱
3錛岄噸瀹氬悜絎?">"鐨勪嬌鐢紝綆¢亾"|"鐨勪嬌鐢ㄣ?br />


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