锘??xml version="1.0" encoding="utf-8" standalone="yes"?> yum -y install gcc gcc-c++ gcc-g77 autoconf automake zlib* fiex* libxml* ncurses-devel libmcrypt* libtool-ltdl-devel* make cmake groupadd mysql useradd -r -g mysql mysql chown -R mysql.mysql /usr/local/mysql cd /usr/local/mysql/scripts ./mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data cd /usr/local/mysql/support-files cp mysql.server /etc/init.d/mysql cp my-default.cnf /etc/my.cnf
3.鍦ㄧ洰鏍囩鍙f嫻嬪畨鍏ㄧ瓥鐣ユ枃浠?br />
濡傛灉浠ヤ笂3姝ラ兘媯嫻嬪け璐ワ紝鍒檉lash player鎷掔粷榪炴帴鐩爣鏈嶅姟鍣ㄣ俿ocket榪炴帴澶辮觸銆俿ocket绔ぇ浣撴濊礬鏄細鐩戝惉843绔彛鍜岀洰鏍囩鍙o紝鍦╢lash player絎竴嬈¤繛鎺ユ椂錛屼細鍏堣繛鎺?43绔彛錛屽茍涓斿彂閫?<policy-file-request/> "浣滀負楠岃瘉鏍囧織錛屽鏋?43鎻愪緵瀹夊叏絳栫暐錛屽垯843绔彛灝嗙瓥鐣ユ枃浠剁敤瀛楃涓叉柟寮忚繑鍥瀎lash player , 濡傛灉瀹夊叏絳栫暐鏂囦歡涓繍琛宖lash player榪炴帴鐩爣绔彛錛屽垯843绔彛鍏抽棴錛宖lash player鑷鍚姩涓涓猻ocket榪炴帴鐩爣绔彛銆傚埌姝や負姝紝socket榪炴帴鎴愬姛銆?
<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "/xml/dtds/cross-domain-policy.dtd">
<!-- Policy file for xmlsocket://socks.example.com -->
<cross-domain-policy>
<!-- This is a master-policy file -->
<site-control permitted-cross-domain-policies="master-only"/>
<!-- Instead of setting to-ports="*",
administrators can use ranges and commas -->
<!-- This will allow access to ports 123, 456, 457, and 458 -->
<allow-access-from domain="swf.example.com" to-ports="123,456-458" />
</cross-domain-policy>
Flash/Flex涔熸敮鎸佸熀浜嶴ocket鐨勭綉緇滆繛鎺?錛屾湇鍔″櫒绔彲浠ユ槸C++,VB,C#,Java絳変換涓璇█寮鍙戙傜洃鍚竴涓綉緇滅鍙d究鍙互鎺ユ敹鍒癋lash/Flex寮鍙戠殑瀹㈡埛绔殑榪炴帴銆?
ActionScript 3.0鎻愪緵浜嗛氳繃Socket榪炴帴鐨勬柟寮忎笌鏈嶅姟鍣ㄧ閫氫俊銆傝繖鐐規槸瓚呰秺浼犵粺B/S緇撴瀯鐨勯噸瑕佺壒寰併傝繖鏍蜂嬌寰楃綉緇滈氫俊鍙互鍗蟲椂榪炴帴錛岄伩鍏嶄簡HTTP鍗忚鏃犵姸鎬?榪炴帴鐨勫紛鐥呫侫ctionScript 3.0浣跨敤XMLSocket綾昏繘琛岃繛鎺ャ傞渶瑕佹敞鎰忕殑鏄嬌鐢╔MLSocket綾昏繘琛孲ocket榪炴帴鏃訛紝涓嶈兘鑷姩絀胯繃闃茬伀澧欍傝鎯崇┛榪囬槻鐏榪炴帴錛屽垯闇 瑕佷嬌鐢ㄥ熀浜嶩TTP鍗忚鐨凴TMP鍗忚銆?
]]>
[root@6 ~]# pidof mysqld
21538
(2)top鎸囧畾鏌ョ湅PID
[root@6 ~]# top -p 21538
top - 09:15:06 up 30 days, 53 min, 3 users, load average: 0.07, 0.22, 0.23
Tasks: 1 total, 0 running, 1 sleeping, 0 stopped, 0 zombie
Cpu(s): 3.0%us, 6.9%sy, 0.2%ni, 89.4%id, 0.3%wa, 0.1%hi, 0.1%si, 0.0%st
Mem: 1035140k total, 994888k used, 40252k free, 383072k buffers
Swap: 2048248k total, 80k used, 2048168k free, 237456k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
21538 mysql 15 0 146m 21m 4372 S 0.0 2.1 3:03.84 mysqld
2銆佹煡鐪嬫煇浜涜繘紼嬬殑淇℃伅
渚嬶細mysqld/httpd鐨勪俊鎭?br />(1)寰楀埌mysqld/httpd榪涚▼鐨刾id
[root@6 ~]# pidof mysqld
21538
[root@6 ~]# pidof httpd
31117 31116 31115 31114
(2)top鎸囧畾鏌ョ湅PID
[root@6 ~]# top -p 21538,31117,31116,31115,31114
]]>
localhost.localdomain
鍏朵腑localhost琛ㄧず涓繪満鍚?/a>,localdomain涓哄煙鍚?榪欐槸涓涓畬鍏ㄥ煙鍚?FQDN,鍗?涓繪満鍚?/a>.鍩熷悕")鐨勫艦寮?br />
]]>
閫夋嫨婧愪唬鐮佺増錛圙eneric Linux ...Compressed TAR Archive錛?br />
2.瀹夎蹇呰鐨勭粍浠?nbsp;
3.
passwd mysql
tar -zxvf mysql*.tar.gz
cd mysql-5.6.13
cmake .
make;make install
4.瀹夎璺緞榛樿鍦?usr/local/mysql涓?br />
....................
chkconfig -add mysql
chkconfig mysql on
service mysql start
]]>
榪欐椂灝卞彲鑳藉嚭鐜拌繖縐嶆儏鍐碉紝鎬葷殑 cpu 鍒╃敤鐜囦腑 user 鎴?system 寰堥珮錛屼絾鏄敤榪涚▼鐨?cpu 鍗犵敤鐜囪繘琛屾帓搴忔椂錛屾病鏈夎繘紼嬬殑 user 鎴?system 涓庝箣瀵瑰簲銆?/span>
鍙互鐢ㄤ笅闈㈢殑鍛戒護灝?cpu 鍗犵敤鐜囬珮鐨勭嚎紼嬫壘鍑烘潵:
$ ps H -eo user,pid,ppid,tid,time,%cpu,cmd --sort=%cpu
榪欎釜鍛戒護棣栧厛鎸囧畾鍙傛暟'H'錛屾樉紺虹嚎紼嬬浉鍏崇殑淇℃伅錛屾牸寮忚緭鍑轟腑鍖呭惈:user,pid,ppid,tid,time,%cpu,cmd錛岀劧鍚庡啀鐢?cpu瀛楁榪涜鎺掑簭銆傝繖鏍峰氨鍙互鎵懼埌鍗犵敤澶勭悊鍣ㄧ殑綰跨▼浜嗐?/span>
瑁呬簡Windows鍜宭inux鍙岀郴緇熺殑鏈嬪弸錛屽湪鍚庢湡瑕佸垹闄inux鏄釜姣旇緝澶寸棝鐨勯棶棰橈紝鍥犱負MBR宸茬粡琚玪inux鎺ョ錛屾湰鏂囩殑鐩殑鏄浣曞湪windows 鍜宭inux鍙岀郴緇熶笅錛岀畝鍗曪紝瀹岀編鍦板嵏杞絣inux銆?/p>
涓嶇敤Windows緋葷粺瀹夎鐩橈紝涓嶇敤瀹夎鐭漢DOS宸ュ叿綆變篃鍙互寰堢畝鍗曞湴瀹炵幇鍗歌澆Linux銆傚弻緋葷粺鍗歌澆Linux鐨勪富瑕侀棶棰樻槸褰撳湪windows涓皢linux 鍒嗗尯鐩存帴鏍煎紡鍖栦箣鍚庯紝Grub緋葷粺寮曞紼嬪簭涔熶細琚悓鏃跺垹闄わ紝鎵浠ュ鑷撮噸鍚悗鏃犳硶榪涘叆Windows 鎴朙inux浠諱綍涓涓郴緇熴?/p>
鍥犳鍗歌澆linux涔嬪墠錛屽厛淇MBR錛岀劧鍚庡啀鍒犻櫎Linux鍒嗗尯灝卞彲浠ヤ簡銆傝孧brFix.exe 灝辨槸榪欐牱涓涓猈indows 淇MBR鐨勫簲鐢ㄧ▼搴忚蔣浠訛紝MbrFix.exe 涓嶄粎鏀寔Windows XP錛岃繕鏀寔32浣嶆垨64浣嶇殑Windows NT, Windows 2000,Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7 鍜?Windows PE緋葷粺銆?/p>
浣跨敤MbrFix.exe鍗歌澆Linux鐨勬楠ゅ涓嬶細
1. 涓嬭澆MbrFix.exe
棣栧厛榪涘叆Windows 鎿嶄綔緋葷粺錛岃繘鍏ww.sysint.no 緗戠珯涓嬭澆MbrFix.exe錛屾垨鑰呬粠(涓嬭澆)浠庝笂寰涓嬫暟絎洓涓蔣浠跺嵆鏄紱
涓嬭澆瀹屾垚鍚庤В鍘媧ip鍘嬬緝鍖咃紝灝哅brFix.exe 鍓垏鍒癈鐩?緋葷粺鐩?錛?/p>
錛堝鏋滄槸64浣嶇殑緋葷粺錛岃鐢∕brFix64.exe錛?/p>
浠ョ鐞嗗憳韜喚榪愯
寮濮?#8211;>榪愯–>cmd–cd \鍛戒護榪涘叆C鐩樼–>榪愯鍛戒護錛? MbrFix /drive 0 fixmbr /yes –>Enter鍥炶濺錛?/p>
錛堝鏋滄槸Vista緋葷粺錛岃繍琛屽懡浠わ細 MbrFix /drive 0 fixmbr /vista /yes –>Enter鍥炶濺錛?/p>
錛堝鏋滄槸Win7緋葷粺錛岃繍琛屽懡浠わ細 MbrFix /drive 0 fixmbr /win7 /yes –>Enter鍥炶濺錛?/p>
榪欐牱MBR淇灝卞畬鎴愪簡錛屾病鏈変換浣曟彁紺猴紙娌℃湁娑堟伅灝辨槸鏈濂界殑娑堟伅錛夈傛帴涓嬫潵鐩存帴鍒犻櫎linux鍒嗗尯灝卞彲浠ヤ簡銆?/p>
2. 鏍煎紡鍖栧垹闄?Linux鍒嗗尯
浠in7緋葷粺涓轟緥錛氱偣鍑?#8220;璁$畻鏈?#8221;鍙抽敭–>綆$悊–>紓佺洏綆$悊–>鐪嬪埌鍑犱釜娌℃湁鐩樼鍚嶇О鐨勫垎鍖?鐪嬪噯鍝︼紝涓嶈灝哤indows 鍒嗗尯緇欒鍒犱簡銆?–>鍙抽敭–>鍒犻櫎閫昏緫鍒嗗尯銆?/p>
閲嶅惎鐢佃剳錛孏rub 宸茬粡涓嶅瀛樺湪錛屽弻緋葷粺Linux 鍗歌澆瀹屾垚錛岀數鑴戝惎鍔ㄨ嚜鍔ㄨ繘鍏indows緋葷粺….
銆 sudo ./VboxLinuxAdditions.run
銆 寮濮嬪畨瑁呭伐鍏峰寘銆傚畨瑁呭畬姣曞悗錛岄噸鍚痩inux銆?br />
3. 閲嶅惎瀹屾垚鍚庣偣鍑?#8220;璁懼(Devices)” -> 鍏變韓鏂囨。澶?Shared Folders)鑿滃崟錛屾坊鍔犱竴涓叡浜枃妗eす錛岄夐」鍥哄畾鍜屼復鏃舵槸鎸囪鏂囨。澶規槸鍚︽槸鎸佷箙鐨勩?br /> 鍏變韓鍚嶈兘澶熶換鍙栦竴涓嚜宸卞枩嬈㈢殑錛屾瘮濡?#8220;linuxshare”錛屽敖閲忎嬌鐢ㄨ嫳鏂囧悕縐般?br />
4. mkdir /mnt/shared
銆銆sudo mount -t vboxsf linuxshare /mnt/shared
5. 鍋囧鎮ㄤ笉鎯蟲瘡涓嬈¢兘鎵嬪姩鎸傝澆錛岃兘澶熷湪/etc/fstab涓坊鍔犱竴欏?
銆 linuxshare /mnt/shared vboxsf rw錛実id=100錛寀id=1000錛宎uto 0 0
銆銆榪欐牱灝辮兘澶熻嚜鍔ㄦ寕杞戒簡銆?br />
6.娉ㄦ剰錛?
銆銆鍏變韓鏂囨。澶圭殑鍚嶇О鍗冧竾涓嶈鍜屾寕杞界偣鐨勫悕縐扮浉鍚屻傛瘮濡傦紝涓婇潰鐨勬寕杞界偣鏄?mnt/shared錛屽亣濡傚叡浜枃妗eす鐨勫悕瀛椾篃鏄痵hared鐨勮瘽錛屽湪鎸傝澆鐨勬椂鍊欏氨浼氬嚭鐜板涓嬬殑閿欒淇℃伅(鐪媓ttp錛?/www.virtualbox.org/ticket/2265)錛?/font>
銆銆/sbin/mount.vboxsf錛?mounting failed with the error錛?Protocol error
銆銆鍘熷洜鍒嗘瀽鑳藉鐪婽ips on running Sun Virtualbox鐨凷hared
2) 瀹夎瀹夎termcap搴擄紙gdb闇瑕侊級sudo apt-get install libncurses5-dev
(1) 緙栬瘧榪囩▼涓紝濡傛灉鍑虹幇浠ヤ笅閿欒錛?/p>
linux-nat.c: In function ‘linux_nat_info_proc_cmd’:
linux-nat.c:2879: error: ignoring return value of ‘fgets’, declared with attribute warn_unused_result
make[2]: *** [linux-nat.o] 閿欒 1
make[2]:姝e湪紱誨紑鐩綍 `/home/kdjie/insight-6.8-1/gdb'
make[1]: *** [all-gdb] 閿欒 2
make[1]:姝e湪紱誨紑鐩綍 `/home/kdjie/insight-6.8-1'
make: *** [all] 閿欒 2
榪欐椂璇瘋繘鍏?span style="color: #ff0000">gdb鐩綍
錛屾壘鍒扮敓鎴愮殑Makefile鏂囦歡錛屼慨鏀硅繖涓琛屼負WERROR_CFLAGS = #-Werror
濡傛灉緙栬瘧涓嶈繃錛屽彲鑳借繕闇瑕佷慨鏀?
cd insight-6-8-1/gdb
vim i386-linux-nat.c
鍦ㄥご鏂囦歡閮ㄥ垎鍔犱笂錛?br /> #include "i387-tdep.h"
2錛夊湪緙栬瘧make浠ュ悗鍑虹幇濡備笅閿欒
eval.c: 鍦ㄥ嚱鏁?#8216;evaluate_subexp_standard’涓?
eval.c:1705: 閿欒錛氭鍑芥暟涓殑‘subscript_array’鍦ㄤ嬌鐢ㄥ墠鍙兘鏈垵濮嬪寲
make[2]: *** [eval.o] 閿欒 1
make[2]: Leaving directory `/root/涓嬭澆/insight-6.8/gdb'
make[1]: *** [install-gdb] 閿欒 2
make[1]: Leaving directory `/root/涓嬭澆/insight-6.8'
make: *** [install] 閿欒 2
淇敼gdb/eval.c鏂囦歡1644琛?
int subscript_array[MAX_FORTRAN_DIMS] = {0};
淇敼浠ュ悗鍦ㄤ粠make寮濮?榪欐牱灝卞畨瑁呮垚鍔熶簡銆傘傘傘傘?/p>
5.榪愯
/usr/local/insight/bin/insight
娉ㄦ剰蹇呴渶鍏ㄨ礬寰?/p>
瀹夎crontab: yum install crontabs
璇存槑錛?br />/sbin/service crond start //鍚姩鏈嶅姟
/sbin/service crond stop //鍏抽棴鏈嶅姟
/sbin/service crond restart //閲嶅惎鏈嶅姟
/sbin/service crond reload //閲嶆柊杞藉叆閰嶇疆
鏌ョ湅crontab鏈嶅姟鐘舵侊細 service crond status
鎵嬪姩鍚姩crontab鏈嶅姟錛?code> service crond start
鏌ョ湅crontab鏈嶅姟鏄惁宸茶緗負寮鏈哄惎鍔紝鎵ц鍛戒護錛?code> ntsysv
鍔犲叆寮鏈鴻嚜鍔ㄥ惎鍔? chkconfig --level 35 crond on
1錛宑rontab鍛戒護
鍔熻兘璇存槑錛氳緗鏃跺櫒銆?/p>
璇銆娉曪細crontab [-u <鐢ㄦ埛鍚嶇О>][閰嶇疆鏂囦歡] 鎴?crontab [-u <鐢ㄦ埛鍚嶇О>][-elr]
琛ュ厖璇存槑錛歝ron鏄竴涓父椹繪湇鍔★紝瀹冩彁渚涜鏃跺櫒鐨勫姛鑳斤紝璁╃敤鎴峰湪鐗瑰畾鐨勬椂闂村緱浠ユ墽琛岄璁劇殑鎸囦護鎴栫▼搴忋傚彧瑕佺敤鎴蜂細緙栬緫璁℃椂鍣ㄧ殑閰嶇疆鏂囦歡錛屽氨鍙互浣?鐢ㄨ鏃跺櫒鐨勫姛鑳姐傚叾閰嶇疆鏂囦歡鏍煎紡濡備笅錛?br />Minute Hour Day Month DayOFWeek Command
鍙傘銆鏁幫細
-e 銆緙栬緫璇ョ敤鎴風殑璁℃椂鍣ㄨ緗?br />-l 銆鍒楀嚭璇ョ敤鎴風殑璁℃椂鍣ㄨ緗?br />-r 銆鍒犻櫎璇ョ敤鎴風殑璁℃椂鍣ㄨ緗?br />-u<鐢ㄦ埛鍚嶇О> 銆鎸囧畾瑕佽瀹氳鏃跺櫒鐨勭敤鎴峰悕縐般?/p>
2錛宑rontab 鏍煎紡
鍩烘湰鏍煎紡 :
* *銆 *銆 *銆 *銆銆command
鍒嗐鏃躲鏃ャ鏈堛鍛ㄣ 鍛戒護
絎?鍒楄〃紺哄垎閽?锝?9 姣忓垎閽熺敤*鎴栬?*/1琛ㄧず
絎?鍒楄〃紺哄皬鏃?锝?3錛?琛ㄧず0鐐癸級
絎?鍒楄〃紺烘棩鏈?锝?1
絎?鍒?琛ㄧず鏈堜喚1锝?2
絎?鍒楁爣璇嗗彿鏄熸湡0锝?錛?琛ㄧず鏄熸湡澶╋級
絎?鍒楄榪愯鐨勫懡浠?br />
crontab鐗規畩鐨勭鍙瘋鏄庯細
"*"浠h〃鎵鏈夌殑鍙栧艱寖鍥村唴鐨勬暟瀛椼傜壒鍒娉ㄦ剰鍝︼紒
"/"浠h〃姣忕殑鎰忔濓紝濡?*/5"琛ㄧず姣?涓崟浣?br />
"-"浠h〃浠庢煇涓暟瀛楀埌鏌愪釜鏁板瓧
","鍒嗘暎鐨勬暟瀛?br />
crontab鏂囦歡鐨勪竴浜涗緥瀛愶細
30 21 * * * /usr/local/etc/rc.d/lighttpd restart
45 4 1,10,22 * * /usr/local/etc/rc.d/lighttpd restart
10 1 * * 6,0 /usr/local/etc/rc.d/lighttpd restart
0,30 18-23 * * * /usr/local/etc/rc.d/lighttpd restart
0 23 * * 6 /usr/local/etc/rc.d/lighttpd restart
* */1 * * * /usr/local/etc/rc.d/lighttpd restart
* 23-7/1 * * * /usr/local/etc/rc.d/lighttpd restart
0 11 4 * mon-wed /usr/local/etc/rc.d/lighttpd restart
0 4 1 jan * /usr/local/etc/rc.d/lighttpd restart
*/30 * * * * /usr/sbin/ntpdate 210.72.145.44
-------------------------------- 濡備綍鏌ョ湅crontab鐨勬棩蹇楄褰?--------------------------------------------------------
鏄ㄥぉcrontab涓殑鍚屾浠誨姟娌℃湁鎵ц錛屼笉鐭ラ亾鏄粈涔堝師鍥犳病鏈夋墽琛岋紝璨屼技浠誨姟hang浣忎簡錛屾兂鏌ヨ涓涓媍rontab鍒板簳闂鍑哄湪鍝噷錛屾垨鑰卙ang鍦ㄤ簡浠涔堝湴鏂廣?br />
1. linux
鐪?/var/log/cron榪欎釜鏂囦歡灝卞彲浠ワ紝鍙互鐢╰ail -f /var/log/cron瑙傚療
2. unix
鍦?/var/spool/cron/tmp鏂囦歡涓紝鏈塩routXXX001864鐨則mp鏂囦歡錛宼ail 榪欎簺鏂囦歡灝卞彲浠ョ湅鍒版鍦ㄦ墽琛岀殑浠誨姟浜嗐?br />
3. mail浠誨姟
鍦?/var/spool/mail/root 鏂囦歡涓紝鏈塩rontab鎵ц鏃ュ織鐨勮褰曪紝鐢╰ail -f /var/spool/mail/root 鍗沖彲鏌ョ湅鏈榪戠殑crontab鎵ц鎯呭喌銆?/p>
(1)userlist_enable=NO
(2)
灝唕oot浠?etc/vsftpd/ftpusers涓幓鎺夈?
濡傛灉鐧誨綍鍑虹幇
[鍙砞 500 OOPS: cannot change directory:/home/bluesky
[鍙砞 榪炴帴澶辮觸
浣滃涓嬭緗?
setsebool -P ftp_home_dir=1
service vsftpd restart
榪欎竴閮ㄥ垎鐨勬彁鍑烘槸涓轟簡闃叉澶辨帶鐨勮繘紼嬬牬鍧忕郴緇熺殑鎬ц兘
nuix鍜孡inux璺熻釜榪涚▼浣跨敤鐨勫ぇ閮ㄥ垎璧勬簮錛屽厑璁哥敤鎴峰拰緋葷粺綆$悊鍛樹嬌鐢ㄥ榪涚▼鐨勮祫婧愰檺鍒?/p>
璁劇疆鐨勯檺鍒舵湁涓ょ錛?紜檺鍒跺拰杞檺鍒?/p>
紜檺鍒舵槸鍙互鍦ㄤ換浣曟椂鍊欎換浣曡繘紼嬩腑璁劇疆 浣嗙‖闄愬埗鍙兘鐢辮秴綰х敤鎴鋒彁璧?/p>
杞檺鍒舵槸鍐呮牳瀹為檯鎵ц鐨勯檺鍒訛紝浠諱綍榪涚▼閮藉彲浠ュ皢杞檺鍒惰緗負浠繪剰灝忎簬絳変簬瀵硅繘紼嬮檺鍒剁殑紜檺鍒剁殑鍊?/p>
———————浠ヤ笅鍐呭涓鴻漿杞斤紙紿佺劧鍙戠幇榪欐柟闈㈡湁濂借祫婧愪究鐩存帴寮曠敤浜嗭級—————————
getrlimit鍜宻etrlimit鍑芥暟
銆銆姣忎釜榪涚▼閮芥湁涓緇勮祫婧愰檺鍒訛紝鍏朵腑鏌愪竴浜涘彲浠ョ敤getrlimit鍜宻etrlimit鍑芥暟鏌ヨ鍜屾洿鏀廣?/p>
#include
#include
int getrlimit(int resource,struct rlimit *rlptr);
int setrlimit(int resource,const struct rlimit rlptr);
Both return: 0 if OK,nonzero on error涓や釜鍑芥暟
銆銆榪斿洖錛氳嫢鎴愬姛涓?錛屽嚭閿欎負闈?
銆銆瀵硅繖涓や釜鍑芥暟鐨勬瘡涓嬈¤皟鐢ㄩ兘鎸囧畾涓涓祫婧愪互鍙婁竴涓寚鍚戜笅鍒楃粨鏋勭殑鎸囬拡銆?/p>
struct rlimit{
rlim rlim rlimit_ur;/* 杞檺鍒訛細褰撳墠闄愬埗 */
rlim rlim rlim_ax;錛? 紜檺鍒訛細rlimcur鐨勬渶澶у?*/
}錛?/p>
鍙敤鐨勫?/p>
RLIMIT _AS 榪涚▼鍙敤鐨勫唴瀛樼殑鏈澶ф暟閲忥紝鍖呮嫭鍫嗘爤銆佸叏灞鍙橀噺銆佸姩鎬佸唴瀛?/p>
RLIMIT _CORE 鍐呮牳鐢熸垚鐨刢ore鏂囦歡鐨勬渶澶уぇ灝?/p>
RLIMIT _CPU 鎵鐢ㄧ殑鍏ㄩ儴cpu鏃墮棿 浠ョ璁$畻
RLIMIT _DATA 鏁版嵁瀛樺偍鐨勬渶澶у閲忥紝浠ュ瓧鑺傝綆楋紝涓嶅寘鎷▼搴忓垎閰嶇殑鍔ㄦ佸瓨鍌ㄧ┖闂?/p>
RLIMIT _FSIZE 鎵撳紑鏂囦歡鐨勬渶澶ф暟鐩?/p>
RLIMIT _MEMLOCK
RLIMIT _NOFILE
RLIMIT _NPROC 榪涚▼鍙互浜х敓鐨勬渶澶у瓙榪涚▼鏁伴噺
RLIMIT _RSS 鍙互闅忔椂浣跨敤鐨勫唴瀛樻渶澶у閲?/p>
RLIMIT _STACK 鍫嗘爤瀛樺偍鍖虹殑鏈澶у閲?/p>
銆銆榪欎袱涓嚱鏁頒笉灞炰簬POSIX.1錛屼絾SVR4鍜?.3+BSD鎻愪緵瀹冧滑銆係VR4鍦ㄤ笂闈㈢殑緇撴瀯涓嬌鐢ㄥ熀鏈郴緇熸暟鎹被鍨媟lim銆傚叾瀹冪郴緇熷垯灝嗚繖
涓や釜鎴愬憳瀹氫箟涓烘暣鍨嬫垨闀挎暣鍨嬨?/p>
銆銆榪涚▼鐨勮祫婧愰檺鍒墮氬父鏄湪緋葷粺鍒濆惎鏃剁敱0#榪涚▼寤虹珛鐨勶紝鐒跺悗鐢卞悗緇繘紼嬬戶鎵褲傚湪SVR4涓紝緋葷粺榛樿鍊煎彲浠ユ煡鐪嬫枃
浠?etc/conf/cfd/mtune鍦?.3+BSD涓紝緋葷粺榛樿鍊煎垎鏁e湪澶氫釜澶存枃浠朵腑銆?/p>
銆銆鍦ㄦ洿鏀硅祫婧愰檺鍒舵椂錛岄』閬靛驚涓嬪垪涓夋潯瑙勫垯錛?/p>
銆銆1.浠諱綍涓涓繘紼嬮兘鍙皢涓涓蔣闄愬埗鏇存敼涓哄皬浜庢垨絳変簬鍏剁‖闄愬埗銆?br />銆銆2.浠諱綍涓涓繘紼嬮兘鍙檷浣庡叾紜檺鍒跺鹼紝浣嗗畠蹇呴』澶т簬鎴栫瓑浜庡叾杞檺鍒跺箋傝繖縐嶉檷浣庯紝瀵規櫘閫氱敤鎴瘋岃█鏄笉鍙嗗弽鐨勩?br />銆銆3.鍙湁瓚呯駭鐢ㄦ埛鍙互鎻愰珮紜檺鍒躲?/p>
銆銆涓涓棤闄愰噺鐨勯檺鍒剁敱甯告暟RLIM NFINITY鎸囧畾銆?/p>
銆銆榪欎袱涓嚱鏁扮殑resource鍙傛暟鍙栦笅鍒楀間箣涓銆傛敞鎰忓茍闈炴墍鏈夎祫婧愰檺鍒墮兘鍙楀埌SVR4鍜?.3+BSD鐨勬敮鎸併?/p>
銆銆RLMITCORE錛圫VR4鍙?.3+BSD)core鏂囦歡鐨勬渶澶у瓧鑺傛暟錛岃嫢鍏跺間負0鍒欓樆姝㈠垱寤篶ore鏂囦歡銆?br />銆銆RLIMIT PU(SVR4鍙?.3+BSD)CPU鏃墮棿鐨勬渶澶ч噺鍊?縐?錛屽綋瓚呰繃姝よ蔣闄愭鏃訛紝鍚戣榪涚▼鍙戦丼IGXCPU淇″彿銆?br />銆銆RLIMIT ATA(SVR4鍙?.3+BSD)鏁版嵁孌電殑鏈澶у瓧鑺傞暱搴︺傝繖鏄浘7.3涓垵濮嬪寲鏁版嵁銆侀潪鍒濆鍖栨暟鎹互鍙婂爢鐨勬誨拰銆?br />銆銆RLIMIT SIZE(SVR4鍙?.3+BSD)鍙互鍒涘緩鐨勪竴涓枃浠剁殑鏈澶у瓧鑺傞暱搴︺傚綋瓚呰繃姝よ蔣闄愬埗鏃訛紝鍒欏悜璇ヨ繘紼嬪彂閫丼IGFSZ淇″彿銆?br />銆銆RLIMIT EMLOCK錛?.3+BSD)閿佸畾鍦ㄥ瓨鍌ㄥ櫒鍦板潃絀洪棿(灝氭湯瀹炵幇)銆?br />銆銆RLIMIT OFILE(SVR4)姣忎釜榪涚▼鏈澶氭墦寮鐨勬枃浠舵暟銆傛洿鏀規闄愬埗灝嗗獎鍝嶅埌sysconf鍑芥暟鍦ㄥ弬鏁?sc-OPEN-MAX涓繑鍥炵殑鍊?2.5.4鑺?/p>
)銆傝紼嬪簭2.3銆?br />銆銆RLIMIT PROC(4.3+BSD)姣忎釜瀹為檯鐢ㄦ埛ID鎵鎷ユ湁鐨勬渶澶у瓙榪涚▼鏁般傛洿鏀規闄愬埗灝嗗獎鍝嶅埌sysconf鍑芥暟鍦ㄥ弬鏁?CHILDMAX涓繑鍥炵殑
鍊?2.5.4鑺?銆?br />銆銆RLIMIT FILE(4.3+BSD)涓嶴VR4鐨凴LIMIT OFILE鐩稿悓銆?br />銆銆RLIMIT SS錛?.3+BSD)鏈澶ч┗鍐呭瓨闆嗗瓧鑺傞暱搴?RSS)銆傚鏋滅墿鐞嗗瓨鍌ㄥ櫒渚涘瓙搴旀眰錛屽垯緋葷粺鏍稿皢浠庤繘紼嬪鍙栧洖瓚呰繃RSS鐨勯儴鍒嗐?br />銆銆RLIMIT TACK(SVR4鍙?.3+BSD)鏍堢殑鏈澶у瓧鑺傞暱搴︺傝鍥?.3銆?br />銆銆RLIMIT MEM錛圫VR4)鍙槧鐓у湴鍧絀洪棿鐨勬渶澶у瓧鑺傞暱搴︺傝繖褰卞搷鍒癿map鍑芥暟(12.9鑺?銆?/p>
銆銆璧勬簮闄愬埗褰卞搷鍒拌皟鐢ㄨ繘紼嬪茍鐢卞叾瀛愯繘紼嬬戶鎵褲傝繖灝辨剰鍛崇潃涓轟簡褰卞搷涓涓敤鎴風殑鎵鏈夊悗緇繘紼嬶紝闇灝嗚祫婧愰檺鍒惰緗瀯閫犲湪shell
涔嬩腑銆傜‘瀹烇紝Bourne Shell鍜孠ornshell鍏鋒湁鍐呴儴ulimit鍛戒護錛孋Shell鍏鋒湁鍐呴儴limit鍛戒護銆?umask鍜宑hdir涔熷繀欏繪槸shell鍐呴儴鐨?
銆?/p>
銆銆杈冩棭鐨凚ourmeShell錛屼緥濡傜敱璐濆厠鑾辨彁渚涚殑涓縐嶏紝涓嶆敮鎸乽limit鍛戒護銆傝緝鏂扮殑KornShell鐨剈limit鍛戒護鍏鋒湁-H鍜?s閫夋嫨欏癸紝浠?/p>
鍒嗗埆媯鏌ュ拰淇敼紜拰杞殑闄愬埗錛屼絾瀹冧滑灝氭湯緙栧啓鍏ユ枃妗c?/p>
?
?綆鍗曠殑鐢ㄤ緥錛?/p>
#include<sys/time.h>
#include<sys/resource.h>
#include<unistd.h>
int main()
{
struct rlimit limit;
char p = '1';
limit.rlim_cur = RLIM_INFINITY;
limit.rlim_max = RLIM_INFINITY;
if(setrlimit(RLIMIT_CORE, &limit))
{
printf("set limit failed/n");
}
printf("p = %s/n",p);
}
---------------------------------------------------------------------------------------------------------------------------------------------
瀵規瘡涓繘紼嬮兘鏈変竴緇勮祫婧愰檺鍒訛紝鍏朵腑涓浜涘彲浠ョ敤getrlimit鍜宻etrlimit鍑芥暟鏌ヨ鍜屾洿鏀?
getrlimit鍜宻etrlimit錛氳祫婧愰檺鍒?(getrlimit and setrlimit: Resource Limits)
榪欎袱涓郴緇熷嚱鏁版槸鍜宺esource limit鐩稿叧鐨勩備綘鐢ㄨ繃ulimit鍛戒護鍚楋紵錛堝弽姝f垜娌$敤榪囷級
瀵逛簬姣忎釜璧勬簮鏉ヨ鏈変袱涓猯imit錛氫竴涓槸hard limit錛屼竴涓槸soft limit錛屽叾涓悗鑰呮案榪滀笉鑳借秴榪囧墠鑰咃紝騫朵笖鍙湁鎷ユ湁superuser鏉冮檺鐨勮繘紼嬪彲浠ユ洿鏀瑰墠鑰呫?
getrlimit鍜宻etrlimit鐨勫弬鏁扮浉鍚岋細絎竴涓弬鏁版槸璧勬簮鐨勭被鍨嬶紝絎簩涓弬鏁版槸rlimit緇撴瀯鐨勬寚閽堬紝榪欎釜緇撴瀯閲岄潰灝卞彧鏈変袱涓垚鍛橈細hard limit鍜宻oft limit
鍑犱釜閲嶈鐨勮祫婧愮被鍨?
RLIMIT_CPU錛氱▼搴忔墽琛岀殑鏈澶PU鏃墮棿錛屽崟浣嶆槸縐掋傝秴榪囦箣鍚庣▼搴忎腑姝紝涓鐨勪俊鍙鋒槸SIGXCPU
RLIMIT_DATA錛氱▼搴忔墽琛岀殑鏈澶у唴瀛?
RLIMIT_NPROC錛氱▼搴忓鍑虹殑鏈澶у瓙榪涚▼鏁伴噺
RLIMIT_NOFILE錛氱▼搴忔墦寮鐨勬枃浠剁殑鏈澶ф暟閲?br />
--------------------
濡傛灉浣犵鍒扮被浼肩殑閿欒鎻愮ず
ulimit: max user processes: cannot modify limit: 涓嶅厑璁哥殑鎿嶄綔
ulimit: open files: cannot modify limit: 涓嶅厑璁哥殑鎿嶄綔
涓哄暐root鐢ㄦ埛鏄彲浠ョ殑錛熸櫘閫氱敤鎴峰張浼氶亣鍒拌繖鏍風殑闂錛?br />鐪嬩竴涓?etc/security/limits.conf澶ф灝變細鏄庣櫧銆?br />linux瀵圭敤鎴鋒湁榛樿鐨剈limit闄愬埗錛岃岃繖涓枃浠跺彲浠ラ厤緗敤鎴風殑紜厤緗拰杞厤緗紝紜厤緗槸涓笂闄愩?br />瓚呭嚭涓婇檺鐨勪慨鏀瑰氨浼氬嚭“涓嶅厑璁哥殑鎿嶄綔”榪欐牱鐨勯敊璇?br />
鍦╨imits.conf鍔犱笂
* soft noproc 10240
* hard noproc 10240
* soft nofile 10240
* hard nofile 10240
灝辨槸闄愬埗浜嗕換鎰忕敤鎴風殑鏈澶х嚎紼嬫暟鍜屾枃浠舵暟涓?0240銆?/p>
^ 閿氬畾琛岀殑寮濮?濡傦細'^grep'鍖歸厤鎵鏈変互grep寮澶寸殑琛屻?
$ 閿氬畾琛岀殑緇撴潫 濡傦細'grep$'鍖歸厤鎵鏈変互grep緇撳熬鐨勮銆?
. 鍖歸厤涓涓潪鎹㈣絎︾殑瀛楃 濡傦細'gr.p'鍖歸厤gr鍚庢帴涓涓換鎰忓瓧絎︼紝鐒跺悗鏄痯銆?
* 鍖歸厤闆朵釜鎴栧涓厛鍓嶅瓧絎?濡傦細'*grep'鍖歸厤鎵鏈変竴涓垨澶氫釜絀烘牸鍚庣揣璺焔rep鐨勮銆?.*涓璧風敤浠h〃浠繪剰瀛楃銆?br>[] 鍖歸厤涓涓寚瀹氳寖鍥村唴鐨勫瓧絎︼紝濡?span style="color: #ff00ff;">'[Gg]rep'鍖歸厤Grep鍜実rep銆?
[^] 鍖歸厤涓涓笉鍦ㄦ寚瀹氳寖鍥村唴鐨勫瓧絎︼紝濡傦細'[^A-FH-Z]rep'鍖歸厤涓嶅寘鍚獳-R鍜孴-Z鐨勪竴涓瓧姣嶅紑澶達紝绱ц窡rep鐨勮銆?
\(..\) 鏍囪鍖歸厤瀛楃錛屽'\(love\)'錛宭ove琚爣璁頒負1銆?
\< 閿氬畾鍗曡瘝鐨勫紑濮嬶紝濡?span style="color: #0000cc;">:'\<grep'鍖歸厤鍖呭惈浠rep寮澶寸殑鍗曡瘝鐨勮銆?鍏充簬鍖歸厤鐨勫疄渚嬶細
grep -c "48" test.txt 緇熻鎵鏈変互“48”瀛楃寮澶寸殑琛屾湁澶氬皯
grep -i "May" test.txt 涓嶅尯鍒嗗ぇ灝忓啓鏌ユ壘“May”鎵鏈夌殑琛岋級
grep -n "48" test.txt 鏄劇ず琛屽彿錛涙樉紺哄尮閰嶅瓧絎?#8220;48”鐨勮鍙婅鍙鳳紝鐩稿悓浜?nl test.txt |grep 48錛?br>grep -v "48" test.txt 鏄劇ず杈撳嚭娌℃湁瀛楃“48”鎵鏈夌殑琛岋級
grep "471" test.txt 鏄劇ず杈撳嚭瀛楃“471”鎵鍦ㄧ殑琛岋級
grep "48<tab>;" test.txt 鏄劇ず杈撳嚭浠ュ瓧絎?#8220;48”寮澶達紝騫跺湪瀛楃“48”鍚庢槸涓涓猼ab閿墍鍦ㄧ殑琛?br>grep "48[34]" test.txt 鏄劇ず杈撳嚭浠ュ瓧絎?#8220;48”寮澶達紝絎笁涓瓧絎︽槸“3”鎴栨槸“4”鐨勬墍鏈夌殑琛岋級
grep "^[^48]" test.txt 鏄劇ず杈撳嚭琛岄涓嶆槸瀛楃“48”鐨勮錛?br>grep "[Mm]ay" test.txt 璁劇疆澶у皬鍐欐煡鎵撅細鏄劇ず杈撳嚭絎竴涓瓧絎︿互“M”鎴?#8220;m”寮澶達紝浠ュ瓧絎?#8220;ay”緇撴潫鐨勮錛?br>grep "K…D" test.txt 鏄劇ず杈撳嚭絎竴涓瓧絎︽槸“K”錛岀浜屻佷笁銆佸洓鏄換鎰忓瓧絎︼紝絎簲涓瓧絎︽槸“D”鎵鍦ㄧ殑琛岋級
grep "[A-Z][9]D" test.txt 鏄劇ず杈撳嚭絎竴涓瓧絎︾殑鑼冨洿鏄?#8220;A-D”錛岀浜屼釜瀛楃鏄?#8220;9”錛岀涓変釜瀛楃鐨勬槸“D”鐨勬墍鏈夌殑琛?br>grep "[35]..1998" test.txt 鏄劇ず絎竴涓瓧絎︽槸3鎴?錛岀浜屼笁涓瓧絎︽槸浠繪剰錛屼互1998緇撳熬鐨勬墍鏈夎
grep "4\{2,\}" test.txt 妯″紡鍑虹幇鍑犵巼鏌ユ壘錛氭樉紺鴻緭鍑哄瓧絎?#8220;4”鑷沖皯閲嶅鍑虹幇涓ゆ鐨勬墍鏈夎
grep "9\{3,\}" test.txt 妯″紡鍑虹幇鍑犵巼鏌ユ壘錛氭樉紺鴻緭鍑哄瓧絎?#8220;9”鑷沖皯閲嶅鍑虹幇涓夋鐨勬墍鏈夎
grep "9\{2,3\}" test.txt 妯″紡鍑虹幇鍑犵巼鏌ユ壘錛氭樉紺鴻緭鍑哄瓧絎?#8220;9”閲嶅鍑虹幇鐨勬鏁板湪涓瀹氳寖鍥村唴錛岄噸澶嶅嚭鐜?嬈℃垨3嬈℃墍鏈夎
grep -n "^$" test.txt 鏄劇ず杈撳嚭絀鴻鐨勮鍙?br>ls -l |grep "^d" 濡傛灉瑕佹煡璇㈢洰褰曞垪琛ㄤ腑鐨勭洰褰?鍚岋細ls -d *
ls -l |grep "^[^d]" 鍦ㄤ竴涓洰褰曚腑鏌ヨ涓嶅寘鍚洰褰曠殑鎵鏈夋枃浠?寮澶翠負闈瀌)
ls -l |grpe "^d…..x..x" 鏌ヨ鍏朵粬鐢ㄦ埛鍜岀敤鎴風粍鎴愬憳鏈夊彲鎵ц鏉冮檺鐨勭洰褰曢泦鍚?/span>
1銆乫ind鍛戒護鐨勪竴鑸艦寮忎負錛?br>
find pathname -options [-print -exec -ok ...]
2銆乫ind鍛戒護鐨勫弬鏁幫紱
pathname: find鍛戒護鎵鏌ユ壘鐨勭洰褰曡礬寰勩備緥濡傜敤.鏉ヨ〃紺哄綋鍓嶇洰褰曪紝鐢?鏉ヨ〃紺虹郴緇熸牴鐩綍銆?br>-print錛?find鍛戒護灝嗗尮閰嶇殑鏂囦歡杈撳嚭鍒版爣鍑嗚緭鍑恒?br>-exec錛?find鍛戒護瀵瑰尮閰嶇殑鏂囦歡鎵ц璇ュ弬鏁版墍緇欏嚭鐨剆hell鍛戒護銆傜浉搴斿懡浠ょ殑褰㈠紡涓?command' { } \;錛屾敞鎰弡 }鍜孿錛涗箣闂寸殑絀烘牸銆?br>-ok錛?鍜?exec鐨勪綔鐢ㄧ浉鍚岋紝鍙笉榪囦互涓縐嶆洿涓哄畨鍏ㄧ殑妯″紡鏉ユ墽琛岃鍙傛暟鎵緇欏嚭鐨剆hell鍛戒護錛屽湪鎵ц姣忎竴涓懡浠や箣鍓嶏紝閮戒細緇欏嚭鎻愮ず錛岃鐢ㄦ埛鏉ョ‘瀹氭槸鍚︽墽琛屻?/code>
3銆乫ind鍛戒護閫夐」
-name
鎸夌収鏂囦歡鍚嶆煡鎵炬枃浠躲?br>
-perm
鎸夌収鏂囦歡鏉冮檺鏉ユ煡鎵炬枃浠躲?br>
-prune
浣跨敤榪欎竴閫夐」鍙互浣縡ind鍛戒護涓嶅湪褰撳墠鎸囧畾鐨勭洰褰曚腑鏌ユ壘錛屽鏋滃悓鏃朵嬌鐢?depth閫夐」錛岄偅涔?prune灝嗚find鍛戒護蹇界暐銆?br>
-user
鎸夌収鏂囦歡灞炰富鏉ユ煡鎵炬枃浠躲?br>
-group
鎸夌収鏂囦歡鎵灞炵殑緇勬潵鏌ユ壘鏂囦歡銆?br>
-mtime -n +n
鎸夌収鏂囦歡鐨勬洿鏀規椂闂存潵鏌ユ壘鏂囦歡錛?- n琛ㄧず鏂囦歡鏇存敼鏃墮棿璺濈幇鍦╪澶╀互鍐咃紝+ n琛ㄧず鏂囦歡鏇存敼鏃墮棿璺濈幇鍦╪澶╀互鍓嶃俧ind鍛戒護榪樻湁-atime鍜?ctime 閫夐」錛屼絾瀹冧滑閮藉拰-m time閫夐」銆?br>
-nogroup
鏌ユ壘鏃犳湁鏁堟墍灞炵粍鐨勬枃浠訛紝鍗寵鏂囦歡鎵灞炵殑緇勫湪/etc/groups涓笉瀛樺湪銆?br>
-nouser
鏌ユ壘鏃犳湁鏁堝睘涓葷殑鏂囦歡錛屽嵆璇ユ枃浠剁殑灞炰富鍦?etc/passwd涓笉瀛樺湪銆?br>-newer file1 ! file2
鏌ユ壘鏇存敼鏃墮棿姣旀枃浠秄ile1鏂頒絾姣旀枃浠秄ile2鏃х殑鏂囦歡銆?br>-type
鏌ユ壘鏌愪竴綾誨瀷鐨勬枃浠訛紝璇稿錛?br>
b - 鍧楄澶囨枃浠躲?br>d - 鐩綍銆?br>c - 瀛楃璁懼鏂囦歡銆?br>p - 綆¢亾鏂囦歡銆?br>l - 絎﹀彿閾炬帴鏂囦歡銆?br>f - 鏅氭枃浠躲?br>
-size n錛歔c] 鏌ユ壘鏂囦歡闀垮害涓簄鍧楃殑鏂囦歡錛屽甫鏈塩鏃惰〃紺烘枃浠墮暱搴︿互瀛楄妭璁°?br>-depth錛氬湪鏌ユ壘鏂囦歡鏃訛紝棣栧厛鏌ユ壘褰撳墠鐩綍涓殑鏂囦歡錛岀劧鍚庡啀鍦ㄥ叾瀛愮洰褰曚腑鏌ユ壘銆?br>-fstype錛氭煡鎵句綅浜庢煇涓綾誨瀷鏂囦歡緋葷粺涓殑鏂囦歡錛岃繖浜涙枃浠剁郴緇熺被鍨嬮氬父鍙互鍦ㄩ厤緗枃浠?etc/fstab涓壘鍒幫紝璇ラ厤緗枃浠朵腑鍖呭惈浜嗘湰緋葷粺涓湁鍏蟲枃浠剁郴緇熺殑淇℃伅銆?br>
-mount錛氬湪鏌ユ壘鏂囦歡鏃朵笉璺ㄨ秺鏂囦歡緋葷粺mount鐐廣?br>-follow錛氬鏋渇ind鍛戒護閬囧埌絎﹀彿閾炬帴鏂囦歡錛屽氨璺熻釜鑷抽摼鎺ユ墍鎸囧悜鐨勬枃浠躲?br>-cpio錛氬鍖歸厤鐨勬枃浠朵嬌鐢╟pio鍛戒護錛屽皢榪欎簺鏂囦歡澶囦喚鍒扮甯﹁澶囦腑銆?/code>鍙﹀,涓嬮潰涓変釜鐨勫尯鍒?
-amin n
銆銆鏌ユ壘緋葷粺涓渶鍚嶯鍒嗛挓璁塊棶鐨勬枃浠?br>
銆銆-atime n
銆銆鏌ユ壘緋葷粺涓渶鍚巒*24灝忔椂璁塊棶鐨勬枃浠?br>
銆銆-cmin n
銆銆鏌ユ壘緋葷粺涓渶鍚嶯鍒嗛挓琚敼鍙樻枃浠剁姸鎬佺殑鏂囦歡
銆銆-ctime n
銆銆鏌ユ壘緋葷粺涓渶鍚巒*24灝忔椂琚敼鍙樻枃浠剁姸鎬佺殑鏂囦歡
銆-mmin n
銆銆鏌ユ壘緋葷粺涓渶鍚嶯鍒嗛挓琚敼鍙樻枃浠舵暟鎹殑鏂囦歡
銆銆-mtime n
銆銆鏌ユ壘緋葷粺涓渶鍚巒*24灝忔椂琚敼鍙樻枃浠舵暟鎹殑鏂囦歡
4銆佷嬌鐢╡xec鎴杘k鏉ユ墽琛宻hell鍛戒護
浣跨敤find鏃訛紝鍙鎶婃兂瑕佺殑鎿嶄綔鍐欏湪涓涓枃浠墮噷錛屽氨鍙互鐢╡xec鏉ラ厤鍚坒ind鏌ユ壘錛屽緢鏂逛究鐨?/p>
鍦ㄦ湁浜涙搷浣滅郴緇熶腑鍙厑璁?exec閫夐」鎵ц璇稿l s鎴杔s -l榪欐牱鐨勫懡浠ゃ傚ぇ澶氭暟鐢ㄦ埛浣跨敤榪欎竴閫夐」鏄負浜嗘煡鎵炬棫鏂囦歡騫跺垹闄ゅ畠浠傚緩璁湪鐪熸鎵цrm鍛戒護鍒犻櫎鏂囦歡涔嬪墠錛屾渶濂藉厛鐢╨s鍛戒護鐪嬩竴涓嬶紝紜瀹冧滑鏄墍瑕佸垹闄ょ殑鏂囦歡銆?/p>
exec閫夐」鍚庨潰璺熼殢鐫鎵瑕佹墽琛岀殑鍛戒護鎴栬剼鏈紝鐒跺悗鏄竴瀵瑰効{ }錛屼竴涓┖鏍煎拰涓涓猏錛屾渶鍚庢槸涓涓垎鍙楓備負浜嗕嬌鐢╡xec閫夐」錛屽繀欏昏鍚屾椂浣跨敤print閫夐」銆傚鏋滈獙璇佷竴涓媐ind鍛戒護錛屼細鍙戠幇璇ュ懡浠ゅ彧杈撳嚭浠庡綋鍓嶈礬寰勮搗鐨勭浉瀵硅礬寰勫強鏂囦歡鍚嶃?/p>
渚嬪錛氫負浜嗙敤ls -l鍛戒護鍒楀嚭鎵鍖歸厤鍒扮殑鏂囦歡錛屽彲浠ユ妸ls -l鍛戒護鏀懼湪find鍛戒護鐨?exec閫夐」涓?/p>
# find . -type f -exec ls -l { } \;
-rw-r--r-- 1 root root 34928 2003-02-25 ./conf/httpd.conf
-rw-r--r-- 1 root root 12959 2003-02-25 ./conf/magic
-rw-r--r-- 1 root root 180 2003-02-25 ./conf.d/README涓婇潰鐨勪緥瀛愪腑錛宖ind鍛戒護鍖歸厤鍒頒簡褰撳墠鐩綍涓嬬殑鎵鏈夋櫘閫氭枃浠訛紝騫跺湪-exec閫夐」涓嬌鐢╨s -l鍛戒護灝嗗畠浠垪鍑恒?br> 鍦?logs鐩綍涓煡鎵炬洿鏀規椂闂村湪5鏃ヤ互鍓嶇殑鏂囦歡騫跺垹闄ゅ畠浠細
$ find logs -type f -mtime +5 -exec rm { } \; 璁頒綇錛?/strong>鍦╯hell涓敤浠諱綍鏂瑰紡鍒犻櫎鏂囦歡涔嬪墠錛屽簲褰撳厛鏌ョ湅鐩稿簲鐨勬枃浠訛紝涓瀹氳灝忓績錛佸綋浣跨敤璇稿mv鎴杛m鍛戒護鏃訛紝鍙互浣跨敤-exec閫夐」鐨勫畨鍏ㄦā寮忋傚畠灝嗗湪瀵規瘡涓尮閰嶅埌鐨勬枃浠惰繘琛屾搷浣滀箣鍓嶆彁紺轟綘銆?/p>
鍦ㄤ笅闈㈢殑渚嬪瓙涓紝 find鍛戒護鍦ㄥ綋鍓嶇洰褰曚腑鏌ユ壘鎵鏈夋枃浠跺悕浠?LOG緇撳熬銆佹洿鏀規椂闂村湪5鏃ヤ互涓婄殑鏂囦歡錛屽茍鍒犻櫎瀹冧滑錛屽彧涓嶈繃鍦ㄥ垹闄や箣鍓嶅厛緇欏嚭鎻愮ず銆?/p>
鎸墆閿垹闄ゆ枃浠訛紝鎸塶閿笉鍒犻櫎銆?/p>
浠諱綍褰㈠紡鐨勫懡浠ら兘鍙互鍦?exec閫夐」涓嬌鐢ㄣ?/p>
鍦ㄤ笅闈㈢殑渚嬪瓙涓垜浠嬌鐢╣rep鍛戒護銆俧ind鍛戒護棣栧厛鍖歸厤鎵鏈夋枃浠跺悕涓?#8220; passwd*”鐨勬枃浠訛紝渚嬪passwd銆乸asswd.old銆乸asswd.bak錛岀劧鍚庢墽琛実rep鍛戒護鐪嬬湅鍦ㄨ繖浜涙枃浠朵腑鏄惁瀛樺湪涓涓猻am鐢ㄦ埛銆?/p>
涓嬮潰涓ょ鏂規硶閮藉彲浠ヤ嬌鐢?/p>
璇ュ懡浠ゅ彧媯鏌ヤ笁浣嶆暟瀛楋紝鎵浠ョ浉搴旀枃浠剁殑鍚庣紑涓嶈瓚呰繃999銆傚厛寤哄嚑涓猘dmin.log*鐨勬枃浠?錛屾墠鑳戒嬌鐢ㄤ笅闈㈣繖涓懡浠?/p>
xargs - build and execute command lines from standard input 鍦ㄤ嬌鐢╢ind鍛戒護鐨?exec閫夐」澶勭悊鍖歸厤鍒扮殑鏂囦歡鏃訛紝
find鍛戒護灝嗘墍鏈夊尮閰嶅埌鐨勬枃浠朵竴璧蜂紶閫掔粰exec鎵ц銆備絾鏈変簺緋葷粺瀵硅兘澶熶紶閫掔粰exec鐨勫懡浠ら暱搴︽湁闄愬埗錛岃繖鏍峰湪find鍛戒護榪愯鍑犲垎閽熶箣鍚庯紝灝變細鍑虹幇
婧㈠嚭閿欒銆傞敊璇俊鎭氬父鏄?#8220;鍙傛暟鍒楀お闀?#8221;鎴?#8220;鍙傛暟鍒楁孩鍑?#8221;銆傝繖灝辨槸xargs鍛戒護鐨勭敤澶勬墍鍦紝鐗瑰埆鏄笌find鍛戒護涓璧蜂嬌鐢ㄣ?/p>
find鍛戒護鎶婂尮閰嶅埌鐨勬枃浠朵紶閫掔粰xargs鍛戒護錛岃寈args鍛戒護姣忔鍙幏鍙栦竴閮ㄥ垎鏂囦歡鑰屼笉鏄叏閮紝涓嶅儚-exec閫夐」閭f牱銆傝繖鏍峰畠鍙互鍏堝鐞嗘渶鍏堣幏鍙栫殑涓閮ㄥ垎鏂囦歡錛岀劧鍚庢槸涓嬩竴鎵癸紝騫跺姝ょ戶緇笅鍘匯?/p>
鍦ㄦ湁浜涚郴緇熶腑錛屼嬌鐢?exec閫夐」浼氫負澶勭悊姣忎竴涓尮閰嶅埌鐨勬枃浠惰屽彂璧蜂竴涓浉搴旂殑榪涚▼錛屽茍闈炲皢鍖歸厤鍒扮殑鏂囦歡鍏ㄩ儴浣滀負鍙傛暟涓嬈℃墽琛岋紱榪欐牱鍦ㄦ湁浜涙儏鍐典笅灝變細鍑虹幇榪涚▼榪囧錛岀郴緇熸ц兘涓嬮檷鐨勯棶棰橈紝鍥犺屾晥鐜囦笉楂橈紱 鑰屼嬌鐢▁args鍛戒護鍒欏彧鏈変竴涓繘紼嬨傚彟澶栵紝鍦ㄤ嬌鐢▁args鍛戒護鏃訛紝絀剁珶鏄竴嬈¤幏鍙栨墍鏈夌殑鍙傛暟錛岃繕鏄垎鎵瑰彇寰楀弬鏁幫紝浠ュ強姣忎竴嬈¤幏鍙栧弬鏁扮殑鏁扮洰閮戒細鏍規嵁璇ュ懡浠ょ殑閫夐」鍙婄郴緇熷唴鏍鎬腑鐩稿簲鐨勫彲璋冨弬鏁版潵紜畾銆?/p>
鏉ョ湅鐪媥args鍛戒護鏄浣曞悓find鍛戒護涓璧蜂嬌鐢ㄧ殑錛屽茍緇欏嚭涓浜涗緥瀛愩?/p>
涓嬮潰鐨勪緥瀛愭煡鎵劇郴緇熶腑鐨勬瘡涓涓櫘閫氭枃浠訛紝鐒跺悗浣跨敤xargs鍛戒護鏉ユ祴璇曞畠浠垎鍒睘浜庡摢綾繪枃浠?/p>
鍦ㄦ暣涓郴緇熶腑鏌ユ壘鍐呭瓨淇℃伅杞偍鏂囦歡(core dump) 錛岀劧鍚庢妸緇撴灉淇濆瓨鍒?tmp/core.log 鏂囦歡涓細 涓婇潰榪欎釜鎵ц澶參錛屾垜鏀規垚鍦ㄥ綋鍓嶇洰褰曚笅鏌ユ壘 鍦ㄥ綋鍓嶇洰褰曚笅鏌ユ壘鎵鏈夌敤鎴峰叿鏈夎銆佸啓鍜屾墽琛屾潈闄愮殑鏂囦歡錛屽茍鏀跺洖鐩稿簲鐨勫啓鏉冮檺錛?/p>
鐢╣rep鍛戒護鍦ㄦ墍鏈夌殑鏅氭枃浠朵腑鎼滅儲hostname榪欎釜璇嶏細 鐢╣rep鍛戒護鍦ㄥ綋鍓嶇洰褰曚笅鐨勬墍鏈夋櫘閫氭枃浠朵腑鎼滅儲hostnames榪欎釜璇嶏細 娉ㄦ剰錛屽湪涓婇潰鐨勪緥瀛愪腑錛?\鐢ㄦ潵鍙栨秷find鍛戒護涓殑*鍦╯hell涓殑鐗規畩鍚箟銆?/p>
find鍛戒護閰嶅悎浣跨敤exec鍜寈args鍙互浣跨敤鎴峰鎵鍖歸厤鍒扮殑鏂囦歡鎵ц鍑犱箮鎵鏈夌殑鍛戒護銆?/p>
涓嬮潰鏄痜ind涓浜涘父鐢ㄥ弬鏁扮殑渚嬪瓙錛屾湁鐢ㄥ埌鐨勬椂鍊欐煡鏌ュ氨琛屼簡錛屽儚涓婇潰鍓嶅嚑涓創瀛愶紝閮界敤鍒頒簡鍏朵腑鐨勭殑涓浜涘弬鏁幫紝涔熷彲浠ョ敤man鎴栨煡鐪嬭鍧涢噷鍏跺畠璐村瓙鏈塮ind鐨勫懡浠ゆ墜鍐?/p>
鏂囦歡鍚嶉夐」鏄痜ind鍛戒護鏈甯哥敤鐨勯夐」錛岃涔堝崟鐙嬌鐢ㄨ閫夐」錛岃涔堝拰鍏朵粬閫夐」涓璧蜂嬌鐢ㄣ?/p>
鍙互浣跨敤鏌愮鏂囦歡鍚嶆ā寮忔潵鍖歸厤鏂囦歡錛岃浣忚鐢ㄥ紩鍙峰皢鏂囦歡鍚嶆ā寮忓紩璧鋒潵銆?/p>
涓嶇褰撳墠璺緞鏄粈涔堬紝濡傛灉鎯寵鍦ㄨ嚜宸辯殑鏍圭洰褰?HOME涓煡鎵炬枃浠跺悕絎﹀悎*.txt鐨勬枃浠訛紝浣跨敤~浣滀負 'pathname'鍙傛暟錛屾嘗嫻彿~浠h〃浜嗕綘鐨?HOME鐩綍銆?/p>
鎯寵鍦ㄥ綋鍓嶇洰褰曞強瀛愮洰褰曚腑鏌ユ壘鎵鏈夌殑‘ *.txt’鏂囦歡錛屽彲浠ョ敤錛?/p>
鎯寵鐨勫綋鍓嶇洰褰曞強瀛愮洰褰曚腑鏌ユ壘鏂囦歡鍚嶄互涓涓ぇ鍐欏瓧姣嶅紑澶寸殑鏂囦歡錛屽彲浠ョ敤錛?/p>
鎯寵鍦?etc鐩綍涓煡鎵炬枃浠跺悕浠ost寮澶寸殑鏂囦歡錛屽彲浠ョ敤錛?/p>
鎯寵鏌ユ壘$HOME鐩綍涓殑鏂囦歡錛屽彲浠ョ敤錛?/p>
瑕佹兂璁╃郴緇熼珮璐熻嵎榪愯錛屽氨浠庢牴鐩綍寮濮嬫煡鎵炬墍鏈夌殑鏂囦歡銆?/p>
濡傛灉鎯沖湪褰撳墠鐩綍鏌ユ壘鏂囦歡鍚嶄互涓や釜灝忓啓瀛楁瘝寮澶達紝璺熺潃鏄袱涓暟瀛楋紝鏈鍚庢槸.txt鐨勬枃浠訛紝涓嬮潰鐨勫懡浠ゅ氨鑳藉榪斿洖鍚嶄負ax37.txt鐨勬枃浠訛細 鎸夌収鏂囦歡鏉冮檺妯″紡鐢?perm閫夐」,鎸夋枃浠舵潈闄愭ā寮忔潵鏌ユ壘鏂囦歡鐨勮瘽銆傛渶濂戒嬌鐢ㄥ叓榪涘埗鐨勬潈闄愯〃紺烘硶銆?/p>
濡傚湪褰撳墠鐩綍涓嬫煡鎵炬枃浠舵潈闄愪綅涓?55鐨勬枃浠訛紝鍗蟲枃浠跺睘涓誨彲浠ヨ銆佸啓銆佹墽琛岋紝鍏朵粬鐢ㄦ埛鍙互璇匯佹墽琛岀殑鏂囦歡錛屽彲浠ョ敤錛?/p>
榪樻湁涓縐嶈〃杈炬柟娉曪細鍦ㄥ叓榪涘埗鏁板瓧鍓嶉潰瑕佸姞涓涓í鏉?錛岃〃紺洪兘鍖歸厤錛屽-007灝辯浉褰撲簬777錛?006鐩稿綋浜?66 -perm mode:鏂囦歡璁稿彲姝eソ絎﹀悎mode -perm +mode:鏂囦歡璁稿彲閮ㄥ垎絎﹀悎mode -perm -mode: 鏂囦歡璁稿彲瀹屽叏絎﹀悎mode 濡傛灉鍦ㄦ煡鎵炬枃浠舵椂甯屾湜蹇界暐鏌愪釜鐩綍錛屽洜涓轟綘鐭ラ亾閭d釜鐩綍涓病鏈変綘鎵瑕佹煡鎵劇殑鏂囦歡錛岄偅涔堝彲浠ヤ嬌鐢?prune閫夐」鏉ユ寚鍑洪渶瑕佸拷鐣ョ殑鐩綍銆傚湪浣跨敤-prune閫夐」鏃惰褰撳績錛屽洜涓哄鏋滀綘鍚屾椂浣跨敤浜?depth閫夐」錛岄偅涔?prune閫夐」灝變細琚玣ind鍛戒護蹇界暐銆?/p>
濡傛灉甯屾湜鍦?apps鐩綍涓嬫煡鎵炬枃浠訛紝浣嗕笉甯屾湜鍦?apps/bin鐩綍涓嬫煡鎵撅紝鍙互鐢細 姣斿瑕佸湪/usr/sam鐩綍涓嬫煡鎵句笉鍦╠ir1瀛愮洰褰曚箣鍐呯殑鎵鏈夋枃浠?/p>
-path "/usr/sam" -prune -o -print 鏄?-path "/usr/sam" -a -prune -o 榪欎釜琛ㄨ揪寮忕粍鍚堢壒渚嬪彲浠ョ敤浼爜鍐欎負 閬垮紑澶氫釜鏂囦歡澶?/p>
鍦嗘嫭鍙瘋〃紺鴻〃杈懼紡鐨勭粨鍚堛?br>
鏌ユ壘鏌愪竴紜畾鏂囦歡錛?name絳夐夐」鍔犲湪-o 涔嬪悗 鎸夋枃浠跺睘涓繪煡鎵炬枃浠訛紝濡傚湪$HOME鐩綍涓煡鎵炬枃浠跺睘涓諱負sam鐨勬枃浠訛紝鍙互鐢細 鍦?etc鐩綍涓嬫煡鎵炬枃浠跺睘涓諱負uucp鐨勬枃浠訛細 涓轟簡鏌ユ壘灞炰富甯愭埛宸茬粡琚垹闄ょ殑鏂囦歡錛屽彲浠ヤ嬌鐢?nouser閫夐」銆傝繖鏍峰氨鑳藉鎵懼埌閭d簺灞炰富鍦?etc/passwd鏂囦歡涓病鏈夋湁鏁堝笎鎴風殑鏂囦歡銆傚湪浣跨敤-nouser閫夐」鏃訛紝涓嶅繀緇欏嚭鐢ㄦ埛鍚嶏紱 find鍛戒護鑳藉涓轟綘瀹屾垚鐩稿簲鐨勫伐浣溿?/p>
渚嬪錛屽笇鏈涘湪/home鐩綍涓嬫煡鎵炬墍鏈夌殑榪欑被鏂囦歡錛屽彲浠ョ敤錛?br>
灝卞儚user鍜宯ouser閫夐」涓鏍鳳紝閽堝鏂囦歡鎵灞炰簬鐨勭敤鎴風粍錛?find鍛戒護涔熷叿鏈夊悓鏍風殑閫夐」錛屼負浜嗗湪/apps鐩綍涓嬫煡鎵懼睘浜巊em鐢ㄦ埛緇勭殑鏂囦歡錛屽彲浠ョ敤錛?/p>
瑕佹煡鎵炬病鏈夋湁鏁堟墍灞炵敤鎴風粍鐨勬墍鏈夋枃浠訛紝鍙互浣跨敤nogroup閫夐」銆備笅闈㈢殑find鍛戒護浠庢枃浠剁郴緇熺殑鏍圭洰褰曞鏌ユ壘榪欐牱鐨勬枃浠?/p>
濡傛灉甯屾湜鎸夌収鏇存敼鏃墮棿鏉ユ煡鎵炬枃浠訛紝鍙互浣跨敤mtime,atime鎴朿time閫夐」銆傚鏋滅郴緇熺獊鐒舵病鏈夊彲鐢ㄧ┖闂翠簡錛屽緢鏈夊彲鑳芥煇涓涓枃浠剁殑闀垮害鍦ㄦ鏈熼棿澧為暱榪呴燂紝榪欐椂灝卞彲浠ョ敤mtime閫夐」鏉ユ煡鎵捐繖鏍風殑鏂囦歡銆?/p>
鐢ㄥ噺鍙?鏉ラ檺瀹氭洿鏀規椂闂村湪璺濅粖n鏃ヤ互鍐呯殑鏂囦歡錛岃岀敤鍔犲彿+鏉ラ檺瀹氭洿鏀規椂闂村湪璺濅粖n鏃ヤ互鍓嶇殑鏂囦歡銆?/p>
甯屾湜鍦ㄧ郴緇熸牴鐩綍涓嬫煡鎵炬洿鏀規椂闂村湪5鏃ヤ互鍐呯殑鏂囦歡錛屽彲浠ョ敤錛?/p>
涓轟簡鍦?var/adm鐩綍涓嬫煡鎵炬洿鏀規椂闂村湪3鏃ヤ互鍓嶇殑鏂囦歡錛屽彲浠ョ敤錛?/p>
濡傛灉甯屾湜鏌ユ壘鏇存敼鏃墮棿姣旀煇涓枃浠舵柊浣嗘瘮鍙︿竴涓枃浠舵棫鐨勬墍鏈夋枃浠訛紝鍙互浣跨敤-newer閫夐」銆傚畠鐨勪竴鑸艦寮忎負錛?/p>
鍏朵腑錛岋紒鏄昏緫闈炵鍙楓?/p>
鏌ユ壘鏇存敼鏃墮棿姣旀枃浠秙am鏂頒絾姣旀枃浠秚emp鏃х殑鏂囦歡錛?/p>
渚嬶細鏈変袱涓枃浠?/p>
鏌ユ壘鏇存敼鏃墮棿鍦ㄦ瘮temp鏂囦歡鏂扮殑鏂囦歡錛?/p>
鍦?etc鐩綍涓嬫煡鎵炬墍鏈夌殑鐩綍錛屽彲浠ョ敤錛?/p>
鍦ㄥ綋鍓嶇洰褰曚笅鏌ユ壘闄ょ洰褰曚互澶栫殑鎵鏈夌被鍨嬬殑鏂囦歡錛屽彲浠ョ敤錛?br>
鍦?etc鐩綍涓嬫煡鎵炬墍鏈夌殑絎﹀彿閾炬帴鏂囦歡錛屽彲浠ョ敤 鍙互鎸夌収鏂囦歡闀垮害鏉ユ煡鎵炬枃浠訛紝榪欓噷鎵鎸囩殑鏂囦歡闀垮害鏃㈠彲浠ョ敤鍧楋紙block錛夋潵璁¢噺錛屼篃鍙互鐢ㄥ瓧鑺傛潵璁¢噺銆備互瀛楄妭璁¢噺鏂囦歡闀垮害鐨勮〃杈懼艦寮忎負N c錛涗互鍧楄閲忔枃浠墮暱搴﹀彧鐢ㄦ暟瀛楄〃紺哄嵆鍙?/p>
鍦ㄦ寜鐓ф枃浠墮暱搴︽煡鎵炬枃浠舵椂錛屼竴鑸嬌鐢ㄨ繖縐嶄互瀛楄妭琛ㄧず鐨勬枃浠墮暱搴︼紝鍦ㄦ煡鐪嬫枃浠剁郴緇熺殑澶у皬錛屽洜涓鴻繖鏃朵嬌鐢ㄥ潡鏉ヨ閲忔洿瀹規槗杞崲銆?br>
鍦ㄥ綋鍓嶇洰褰曚笅鏌ユ壘鏂囦歡闀垮害澶т簬1 M瀛楄妭鐨勬枃浠訛細 鍦?home/apache鐩綍涓嬫煡鎵炬枃浠墮暱搴︽伆濂戒負100瀛楄妭鐨勬枃浠訛細 鍦ㄥ綋鍓嶇洰褰曚笅鏌ユ壘闀垮害瓚呰繃10鍧楃殑鏂囦歡錛堜竴鍧楃瓑浜?12瀛楄妭錛夛細 鍦ㄤ嬌鐢╢ind鍛戒護鏃訛紝鍙兘甯屾湜鍏堝尮閰嶆墍鏈夌殑鏂囦歡錛屽啀鍦ㄥ瓙鐩綍涓煡鎵俱備嬌鐢╠epth閫夐」灝卞彲浠ヤ嬌find鍛戒護榪欐牱鍋氥傝繖鏍峰仛鐨勪竴涓師鍥犲氨鏄紝褰撳湪浣跨敤find鍛戒護鍚戠甯︿笂澶囦喚鏂囦歡緋葷粺鏃訛紝甯屾湜棣栧厛澶囦喚鎵鏈夌殑鏂囦歡錛屽叾嬈″啀澶囦喚瀛愮洰褰曚腑鐨勬枃浠躲?/p>
鍦ㄤ笅闈㈢殑渚嬪瓙涓紝 find鍛戒護浠庢枃浠剁郴緇熺殑鏍圭洰褰曞紑濮嬶紝鏌ユ壘涓涓悕涓篊ON.FILE鐨勬枃浠躲?/p>
瀹冨皢棣栧厛鍖歸厤鎵鏈夌殑鏂囦歡鐒跺悗鍐嶈繘鍏ュ瓙鐩綍涓煡鎵俱?/p>
鍦ㄥ綋鍓嶇殑鏂囦歡緋葷粺涓煡鎵炬枃浠訛紙涓嶈繘鍏ュ叾浠栨枃浠剁郴緇燂級錛屽彲浠ヤ嬌鐢╢ind鍛戒護鐨刴ount閫夐」銆?/p>
浠庡綋鍓嶇洰褰曞紑濮嬫煡鎵句綅浜庢湰鏂囦歡緋葷粺涓枃浠跺悕浠C緇撳熬鐨勬枃浠訛細$ find . -name "*.conf" -mtime +5 -ok rm { } \;
< rm ... ./conf/httpd.conf > ? n# find /etc -name "passwd*" -exec grep "sam" { } \;
sam:x:501:501::/usr/sam:/bin/bash
浜屻乫ind鍛戒護鐨勪緥瀛愶紱
1銆佹煡鎵懼綋鍓嶇敤鎴蜂富鐩綍涓嬬殑鎵鏈夋枃浠訛細
$ find $HOME -print
$ find ~ -print
2銆佽褰撳墠鐩綍涓枃浠跺睘涓誨叿鏈夎銆佸啓鏉冮檺錛屽茍涓旀枃浠舵墍灞炵粍鐨勭敤鎴峰拰鍏朵粬鐢ㄦ埛鍏鋒湁璇繪潈闄愮殑鏂囦歡錛?br>
$ find . -type f -perm 644 -exec ls -l { } \;
3銆佷負浜嗘煡鎵劇郴緇熶腑鎵鏈夋枃浠墮暱搴︿負0鐨勬櫘閫氭枃浠訛紝騫跺垪鍑哄畠浠殑瀹屾暣璺緞錛?br>
$ find / -type f -size 0 -exec ls -l { } \;
4銆佹煡鎵?var/logs鐩綍涓洿鏀規椂闂村湪7鏃ヤ互鍓嶇殑鏅氭枃浠訛紝騫跺湪鍒犻櫎涔嬪墠璇㈤棶瀹冧滑錛?br>
$ find /var/logs -type f -mtime +7 -ok rm { } \;
5銆佷負浜嗘煡鎵劇郴緇熶腑鎵鏈夊睘浜巖oot緇勭殑鏂囦歡錛?br>
$find . -group root -exec ls -l { } \;
-rw-r--r-- 1 root root 595 10鏈?31 01:09 ./fie1
6銆乫ind鍛戒護灝嗗垹闄ゅ綋鐩綍涓闂椂闂村湪7鏃ヤ互鏉ャ佸惈鏈夋暟瀛楀悗緙鐨刟dmin.log鏂囦歡銆?br>
$ find . -name "admin.log[0-9][0-9][0-9]" -atime -7 -ok
rm { } \;
< rm ... ./admin.log001 > ? n
< rm ... ./admin.log002 > ? n
< rm ... ./admin.log042 > ? n
< rm ... ./admin.log942 > ? n
7銆佷負浜嗘煡鎵懼綋鍓嶆枃浠剁郴緇熶腑鐨勬墍鏈夌洰褰曞茍鎺掑簭錛?br>
$ find . -type d | sort
8銆佷負浜嗘煡鎵劇郴緇熶腑鎵鏈夌殑rmt紓佸甫璁懼錛?br>
$ find /dev/rmt -print
涓夈亁args
#find . -type f -print | xargs file
./.kde/Autostart/Autorun.desktop: UTF-8 Unicode English text
./.kde/Autostart/.directory: ISO-8859 text\
......$ find / -name "core" -print | xargs echo "" >/tmp/core.log#find . -name "file*" -print | xargs echo "" > /temp/core.log
# cat /temp/core.log
./file6# ls -l
drwxrwxrwx 2 sam adm 4096 10鏈?30 20:14 file6
-rwxrwxrwx 2 sam adm 0 10鏈?31 01:01 http3.conf
-rwxrwxrwx 2 sam adm 0 10鏈?31 01:01 httpd.conf
# find . -perm -7 -print | xargs chmod o-w
# ls -l
drwxrwxr-x 2 sam adm 4096 10鏈?30 20:14 file6
-rwxrwxr-x 2 sam adm 0 10鏈?31 01:01 http3.conf
-rwxrwxr-x 2 sam adm 0 10鏈?31 01:01 httpd.conf# find . -type f -print | xargs grep "hostname"
./httpd1.conf:# different IP addresses or hostnames and have them handled by the
./httpd1.conf:# VirtualHost: If you want to maintain multiple domains/hostnames
on your# find . -name \* -type f -print | xargs grep "hostnames"
./httpd1.conf:# different IP addresses or hostnames and have them handled by the
./httpd1.conf:# VirtualHost: If you want to maintain multiple domains/hostnames
on your
鍥涖乫ind 鍛戒護鐨勫弬鏁?br>
1銆佷嬌鐢╪ame閫夐」
$ find ~ -name "*.txt" -print$ find . -name "*.txt" -print$ find . -name "[A-Z]*" -print$ find /etc -name "host*" -print$ find ~ -name "*" -print 鎴杅ind . -print$ find / -name "*" -print$find . -name "[a-z][a-z][0--9][0--9].txt" -print
2銆佺敤perm閫夐」
$ find . -perm 755 -print# ls -l
-rwxrwxr-x 2 sam adm 0 10鏈?31 01:01 http3.conf
-rw-rw-rw- 1 sam adm 34890 10鏈?31 00:57 httpd1.conf
-rwxrwxr-x 2 sam adm 0 10鏈?31 01:01 httpd.conf
drw-rw-rw- 2 gem group 4096 10鏈?26 19:48 sam
-rw-rw-rw- 1 root root 2792 10鏈?31 20:19 temp
# find . -perm 006
# find . -perm -006
./sam
./httpd1.conf
./temp
3銆佸拷鐣ユ煇涓洰褰?br>
$ find /apps -path "/apps/bin" -prune -o -print
4銆佷嬌鐢╢ind鏌ユ壘鏂囦歡鐨勬椂鍊欐庝箞閬垮紑鏌愪釜鏂囦歡鐩綍
find /usr/sam -path "/usr/sam/dir1" -prune -o -print find [-path ..] [expression] 鍦ㄨ礬寰勫垪琛ㄧ殑鍚庨潰鐨勬槸琛ㄨ揪寮?/code>
-print 鐨勭畝鍐欒〃杈懼紡鎸夐『搴忔眰鍊? -a 鍜?-o 閮芥槸鐭礬姹傚鹼紝涓?shell 鐨?&& 鍜?|| 綾諱技濡傛灉 -path
"/usr/sam" 涓虹湡錛屽垯姹傚?-prune , -prune 榪斿洖鐪燂紝涓庨昏緫琛ㄨ揪寮忎負鐪燂紱鍚﹀垯涓嶆眰鍊?-prune錛屼笌閫昏緫琛ㄨ揪寮忎負鍋囥傚鏋?
-path "/usr/sam" -a -prune 涓哄亣錛屽垯姹傚?-print 錛?print榪斿洖鐪燂紝鎴栭昏緫琛ㄨ揪寮忎負鐪燂紱鍚﹀垯涓嶆眰鍊?
-print錛屾垨閫昏緫琛ㄨ揪寮忎負鐪熴?/p>
if -path "/usr/sam" then
-prune
else
-printfind /usr/sam \( -path /usr/sam/dir1 -o -path /usr/sam/file1 \) -prune -o -print\ 琛ㄧず寮曠敤錛屽嵆鎸囩ず shell 涓嶅鍚庨潰鐨勫瓧絎︿綔鐗規畩瑙i噴錛岃岀暀緇?find 鍛戒護鍘昏В閲婂叾鎰忎箟銆?/code>#find /usr/sam \(-path /usr/sam/dir1 -o -path /usr/sam/file1 \) -prune -o -name "temp" -print
5銆佷嬌鐢╱ser鍜宯ouser閫夐」
$ find ~ -user sam -print$ find /etc -user uucp -print$ find /home -nouser -print
6銆佷嬌鐢╣roup鍜宯ogroup閫夐」
$ find /apps -group gem -print$ find / -nogroup-print
7銆佹寜鐓ф洿鏀規椂闂存垨璁塊棶鏃墮棿絳夋煡鎵炬枃浠?br>
$ find / -mtime -5 -print$ find /var/adm -mtime +3 -print
8銆佹煡鎵炬瘮鏌愪釜鏂囦歡鏂版垨鏃х殑鏂囦歡
newest_file_name ! oldest_file_name-rw-r--r-- 1 sam adm 0 10鏈?31 01:07 fiel
-rw-rw-rw- 1 sam adm 34890 10鏈?31 00:57 httpd1.conf
-rwxrwxr-x 2 sam adm 0 10鏈?31 01:01 httpd.conf
drw-rw-rw- 2 gem group 4096 10鏈?26 19:48 sam
-rw-rw-rw- 1 root root 2792 10鏈?31 20:19 temp
# find -newer httpd1.conf ! -newer temp -ls
1077669 0 -rwxrwxr-x 2 sam adm 0 10鏈?31 01:01 ./httpd.conf
1077671 4 -rw-rw-rw- 1 root root 2792 10鏈?31 20:19 ./temp
1077673 0 -rw-r--r-- 1 sam adm 0 10鏈?31 01:07 ./fiel$ find . -newer temp -print
9銆佷嬌鐢╰ype閫夐」
$ find /etc -type d -print$ find . ! -type d -print
$ find /etc -type l -print
10銆佷嬌鐢╯ize閫夐」
$ find . -size +1000000c -print$ find /home/apache -size 100c -print$ find . -size +10 -print
11銆佷嬌鐢╠epth閫夐」
$ find / -name "CON.FILE" -depth -print
12銆佷嬌鐢╩ount閫夐」
$ find . -name "*.XC" -mount -print
]]>
2.cron閰嶇疆鏂囦歡錛堟枃浠朵綅緗細/etc/crontab錛夎娉?
鍒?nbsp; 灝忔椂 鏃?nbsp; 鏈?nbsp; 鏄熸湡 鍛戒護
0-59 0-23 1-31 1-12 0-6 command (鍙栧艱寖鍥?0琛ㄧず鍛ㄦ棩涓鑸竴琛屽搴斾竴涓換鍔?
3.璁頒綇鍑犱釜鐗規畩絎﹀彿鐨勫惈涔?
“*”浠h〃鍙栧艱寖鍥村唴鐨勬暟瀛?
“/”浠h〃”姣?#8221;,
“-”浠h〃浠庢煇涓暟瀛楀埌鏌愪釜鏁板瓧,
“,”鍒嗗紑鍑犱釜紱繪暎鐨勬暟瀛?/p>
4.閰嶇疆鏂囦歡鐨勫啓娉?/strong>
鍙互浣跨敤crontab -e鍛戒護鏉ョ紪杈?涔熷彲浠ョ洿鎺ヤ慨鏀?etc/crontab鏂囦歡
鍏蜂綋鏍煎紡濡備笅錛?br>
Minute Hour Day Month Dayofweek command
鍒嗛挓 灝忔椂 澶?nbsp; 鏈?nbsp; 澶╂瘡鏄熸湡 鍛戒護
姣忎釜瀛楁浠h〃鐨勫惈涔夊涓嬶細
Minute 姣忎釜灝忔椂鐨勭鍑犲垎閽熸墽琛岃浠誨姟
Hour 姣忓ぉ鐨勭鍑犱釜灝忔椂鎵ц璇ヤ換鍔?br>
Day 姣忔湀鐨勭鍑犲ぉ鎵ц璇ヤ換鍔?br>
Month 姣忓勾鐨勭鍑犱釜鏈堟墽琛岃浠誨姟
DayOfWeek 姣忓懆鐨勭鍑犲ぉ鎵ц璇ヤ換鍔?br>
Command 鎸囧畾瑕佹墽琛岀殑紼嬪簭
鍦ㄨ繖浜涘瓧孌甸噷錛岄櫎浜?#8220;Command”鏄瘡嬈¢兘蹇呴』鎸囧畾鐨勫瓧孌典互澶栵紝鍏跺畠瀛楁鐨嗕負鍙夊瓧孌碉紝鍙闇瑕佸喅瀹氥傚浜庝笉鎸囧畾鐨勫瓧孌碉紝瑕佺敤“*”鏉ュ~琛ュ叾浣嶇疆銆?br>
涓句緥濡備笅錛?br>
5 * * * * ls 鎸囧畾姣忓皬鏃剁殑絎?鍒嗛挓鎵ц涓嬈s鍛戒護
30 5 * * * ls 鎸囧畾姣忓ぉ鐨?5:30 鎵цls鍛戒護
30 7 8 * * ls 鎸囧畾姣忔湀8鍙風殑7錛?0鍒嗘墽琛宭s鍛戒護
30 5 8 6 * ls 鎸囧畾姣忓勾鐨?鏈?鏃?錛?0鎵цls鍛戒護
30 6 * * 0 ls
鎸囧畾姣忔槦鏈熸棩鐨?:30鎵цls鍛戒護[娉?0琛ㄧず鏄熸湡澶╋紝1琛ㄧず鏄熸湡1錛屼互姝ょ被鎺紝涔熷彲浠ョ敤鑻辨枃:sun琛ㄧず鍛ㄥぉ錛宮on琛ㄧず鍛ㄤ竴絳夈俔
30 3 10,20 * * ls 姣忔湀10鍙峰強20鍙風殑3錛?0鎵цls鍛戒護[娉細“錛?#8221;鐢ㄦ潵榪炴帴澶氫釜涓嶈繛緇殑鏃舵]
25 8-11 * * * ls 姣忓ぉ8-11鐐圭殑絎?5鍒嗛挓鎵цls鍛戒護[娉細“-”鐢ㄦ潵榪炴帴榪炵畫鐨勬椂孌礭
*/15 * * * * ls 姣?5鍒嗛挓鎵ц涓嬈s鍛戒護 [鍗蟲瘡涓皬鏃剁殑絎? 15 30 45 60鍒嗛挓鎵цls鍛戒護 ]
30 6 */10 * * ls 姣忎釜鏈堜腑錛屾瘡闅?0澶?:30鎵ц涓嬈s鍛戒護[鍗蟲瘡鏈堢殑1銆?1銆?1銆?1鏃ユ槸鐨?錛?0鎵ц涓嬈s鍛戒護銆?]
50 7 * * * root
run-parts /etc/cron.daily 姣忓ぉ7錛?0浠oot
韜喚鎵ц/etc/cron.daily鐩綍涓殑鎵鏈夊彲鎵ц鏂囦歡
[ 娉細run-parts鍙傛暟琛ㄧず錛屾墽琛屽悗闈㈢洰褰曚腑鐨勬墍鏈夊彲鎵ц鏂囦歡銆?/p>
涓嬮潰鏄疞inux 涓奵rontab鎵嬪唽涓殑鐭ヨ瘑鐐癸細
1. crontab鏂囦歡“姝e紡琛?#8221;鐨勫紑濮?/strong>
絀鴻銆佷互絀烘牸鎴栬?#8220;tab”寮琛岀殑琛岋紝琚玞ron(daemon)蹇界暐銆?/p>
浠?寮濮嬬殑琛岋紝浣滀負娉ㄩ噴琚玞ron(daemon)蹇界暐銆?/p>
“娉ㄩ噴”涓嶅厑璁鎬笌“鍛戒護”鏀懼湪鍚屼竴琛岋紙浣滀負鍛戒護鐨勬敞閲婏級錛屼細琚綔涓?#8220;絎叚孌?#8221;錛岃cron(daemon)鎵ц銆?/p>
鍚屾牱鐨勶紝涔熶笉鑳芥斁鍦ㄨ緗幆澧冨彉閲忕殑鍚屼竴琛屻?/p>
2. 鍦╟rontab鏂囦歡涓寚瀹氱幆澧冨彉閲?/strong>
璁劇疆鍙橀噺浣跨敤
name = value
榪欐牱鐨勬牸寮忥紝”=”鍙峰乏鍙崇殑絀烘牸涓嶆槸蹇呴』鐨勩?/p>
鍑犱釜鍙橀噺榛樿宸茬粡琚緗紝姣斿錛?/p>
SHELL=/bin/sh
HOEM=/home/nnix
LOGNAME=nnix
鍏朵腑SHELL鍜孒OME鍙互閲嶆柊璁懼畾錛孡OGNAME鍒欎笉鍙紙澶ф璺熺‘瀹歝rontab鏂囦歡鐨勪綅緗湁鍏籌級銆?/p>
榛樿錛宑rontab浼氭妸鎵ц鐨勮緭鍑哄彂閫佺粰crontab鐨勬墍鏈夎咃紝闄ら潪閲嶆柊璁懼畾鍙橀噺錛?/p>
MAILTO=other_or_email
鍙﹀錛屽綋crontab鍙戦佽緭鍏ユ椂鐨勯偖浠剁紪鐮侊紝鍙互閫氳繃璁劇疆鍙橀噺 CONTENT_TYPE 鍜?CONTENT_TRANSFER_ENCODING 鏉ヤ嬌鐢ㄦ紜殑緙栫爜鏉ュ彂閫侀偖浠躲?/p>
3. crontab 鏂囦歡鐨勫垎孌?/strong>
渚濇鍒嗗埆鏄?/p>
4. 鍓嶄簲孌碉細鏃墮棿鍜屾棩鏈?/strong>
1錛夎〃紺轟換鎰忥細* 鍙瘋〃紺?“浠繪剰”錛坒irst-last)銆?/p>
2錛夋寚瀹氭暟瀛楋紝琛ㄧず鎸囧畾鐨勬椂闂淬?/p>
3錛夋寚瀹氭錛岃〃紺?#8220;寮濮?緇撴潫”鍐呭寘鍚殑鏁幫細姣斿3-6,琛ㄧず3錛?錛?錛?
4錛夋寚瀹氬垪琛細姣斿 “1,2,3,4″,”0-4,8-12″
5錛夋寚瀹?#8220;姝ラ暱”錛?-14/2 琛ㄧず8錛?0錛?2錛?4
5. 妯$硦鐨勭鍏錛?/strong>
1錛夐櫎鍘誨墠浜旀錛屼粠絎叚孌靛紑濮嬪埌鎹㈣絎︽垨鑰?#8220;%”涓烘錛屼負瑕佹墽琛岀殑鍛戒護銆?/p>
2錛夐粯璁ょ鍏灝嗚/bin/sh鎵ц錛岄櫎闈炲湪crontab鏂囦歡涓寚瀹氫簡闈?bin/sh鐨凷HELL鍙橀噺銆?/p>
3錛夌鍏涓殑”%”鍙鳳紝闄ら潪鍓嶉潰鍔?#8221;\”鍙瘋漿浜わ紝鍚﹀垯錛?#8220;%”鍙峰皢緇撴潫鍛戒護琛屻佹崲琛岀殑鎰忎箟錛屽茍涓斿叾鍚庣殑鍐呭浼氳鍋氫負鏍囧噯杈撳叆鍙戦佺粰鍓嶉潰鐨勫懡浠ゃ?/p>
6. 鍐茬獊鐨勯昏緫
鏃ユ湡鍙互鐢ㄦ湀闄愬畾錛屼篃鍙互鐢?#8220;鏄熸湡”鎸囧畾錛屽鏋滀袱涓鏈夊啿紿侊紙姣斿榪欎袱孌典笉鍚屾椂涓?#8220;*”錛夛紝閭d箞錛岀鍏鐨勫懡浠ゅ皢鍦ㄥ尮閰嶄換浣曚竴涓殑鎯呭喌涓嬭繍琛岋紝姣斿
“30 4 1,15 * 5″錛屽皢鍦ㄦ瘡鏈堢殑1鍙峰拰15鍙?鍔?姣忎釜鍛ㄤ簲錛屼笂鍗?錛?0榪愯銆?/p>
7. crontab鏂囦歡涓殑紲炲瘑絎﹀彿“%”
鍙兘浼氶亣鍒扮殑涓涓棶棰樻槸錛屽湪絎叚孌典腑闇瑕佷嬌鐢╠ate鐢熸垚鏃ュ織鏂囦歡鍚嶏紝姣斿錛?/p>
0 4 * * * /opt/cron/mysql_dump.sh > /srv/logs/`date +%y-%m-%d`.dump.log
榪欐椂浼氬彂鐜癱rontab鎬庝箞涔熶笉榪愯榪欎釜mysql_dump.sh錛屼篃鐪嬩笉鍒版湁鏃ュ織鐢熸垚銆傝繖鏄洜涓哄湪crontab鏂囦歡涓紝”%”鏄湁鐗規畩鍚箟 鐨勩傚亣濡備笉闇瑕?#8220;%”鐨勭壒孌婁綔鐢紝闇瑕佷嬌鐢ㄨ漿涔夌杞箟銆備笂闈㈠簲璇ュ啓鎴愶細
0 4 * * * /opt/cron/mysql_dump.sh > /srv/logs/`date +\%y-\%m-\%d`.dump.log
“%”鍦╟rontab鏂囦歡涓紝鏈?#8220;緇撴潫鍛戒護琛?#8221;銆?#8220;鎹㈣”銆?#8220;閲嶅畾鍚?#8221;鐨勪綔鐢紝姣斿錛?/p>
0 22 * * 1-5 mail -s “It’s 10:00 pm” joe%Joe,%%Where are your kids?%
灝嗕細鍦ㄥ懆涓鑷沖懆浜旂殑22:00鍙戦佷竴鍒嗗唴瀹逛負錛?/p>
Joe,<鎹㈣>
<鎹㈣>
Where are your kids?<鎹㈣>
8. 涓嶈兘鐞嗚В鐨勭壒孌婄敤娉?/strong>
@reboot : Run once, at startup.
涓轟簡杈懼埌鍦ㄥ紑鏈哄悗榪愯錛屼笖鍙繍琛屼竴嬈$殑鐩殑錛岄櫎浜嗚繖涓紝鎭愭曟棤娉曢氳繃鍓嶄簲孌電殑璁劇疆鏉ュ疄鐜板惂錛?/p>
cron鏄痩inux涓嬪畾鏃舵墽琛屽伐鍏鳳紝鍙湪瀹屽叏鏃犱漢宸ュ共棰勭殑鎯呭喌涓嬩綔涓氥傚彲浠ョ敤涓涓嬪懡浠ゆ潵鎵嬪姩寮鍚垨鍏抽棴璇ヤ換鍔★細
/sbin/service crond start 鍚姩鏈嶅姟
/sbin/service crond stop 鍏抽棴鏈嶅姟
/sbin/service crond restart 閲嶆柊鍚姩鏈嶅姟
/sbin/service crond reload 閲嶆柊鍔犺澆鏈嶅姟
浣犱篃鍙互灝嗚繖涓湇鍔″湪緋葷粺鍚姩鐨勬椂鍊欒嚜鍔ㄥ惎鍔?
銆銆鍦?etc/rc.d/rc.local榪欎釜鑴氭湰鐨勬湯灝懼姞涓?
銆銆/sbin/service crond start
銆鐜板湪Cron榪欎釜鏈嶅姟宸茬粡鍦ㄨ繘紼嬮噷闈簡錛屾垜浠氨鍙互鐢ㄨ繖涓湇鍔′簡
crontab -u root -e鍙互緙栬緫鍒跺畾鐢ㄦ埛
姣忔緙栬緫瀹屾煇涓敤鎴風殑cron璁劇疆鍚庯紝cron鑷姩鍦?var/spool /cron涓嬬敓鎴愪竴涓笌姝ょ敤鎴峰悓鍚嶇殑鏂囦歡錛屾鐢ㄦ埛鐨刢ron淇℃伅閮借褰曞湪榪欎釜鏂囦歡涓紝榪欎釜鏂囦歡鏄笉鍙互鐩存帴緙栬緫鐨勶紝鍙彲浠ョ敤crontab -e 鏉ョ紪杈戙俢ron鍚姩鍚庢瘡榪囦竴浠介挓璇諱竴嬈¤繖涓枃浠訛紝媯鏌ユ槸鍚﹁鎵ц閲岄潰鐨勫懡浠ゃ傚洜姝ゆ鏂囦歡淇敼鍚庝笉闇瑕侀噸鏂板惎鍔╟ron鏈嶅姟銆?/font>
銆銆2.緙栬緫/etc/crontab 鏂囦歡閰嶇疆cron
銆銆cron鏈嶅姟姣忓垎閽熶笉浠呰璇諱竴嬈?var/spool/cron鍐呯殑鎵鏈夋枃 浠訛紝榪橀渶瑕佽涓嬈?etc/crontab,鍥犳鎴戜滑閰嶇疆榪欎釜鏂囦歡涔熻兘榪愮敤cron鏈嶅姟鍋氫竴浜涗簨鎯呫傜敤crontab閰嶇疆鏄拡瀵規煇涓敤鎴風殑錛岃岀紪杈? /etc/crontab鏄拡瀵圭郴緇熺殑浠誨姟銆傛鏂囦歡鐨勬枃浠舵牸寮忔槸:
銆銆SHELL=/bin/bash
銆銆PATH=/sbin:/bin:/usr/sbin:/usr/bin
銆銆MAILTO=root //濡傛灉鍑虹幇閿欒錛屾垨鑰呮湁鏁版嵁杈撳嚭錛屾暟鎹綔涓洪偖浠跺彂緇欒繖涓笎鍙?/font>
銆銆HOME=/ //浣跨敤鑰呰繍琛岀殑璺緞,榪欓噷鏄牴鐩綍
銆銆# run-parts
銆銆01 * * * * root /home/bluesky/test.sh>>test.log //姣忓皬鏃舵墽琛?/font>test.sh鐨勮剼鏈?/font>
銆銆02 4 * * * root /home/bluesky/test.sh//姣忓ぉ鎵цtest.sh鍐呯殑鑴氭湰
銆銆22 4 * * 0 root /home/bluesky/test.sh //姣忔槦鏈熸墽琛?/font>test.sh鍐呯殑鑴氭湰
銆銆42 4 1 * * root run-parts /home/bluesky/test.sh //姣忔湀鍘繪墽琛?/font>test.sh鍐呯殑鑴氭湰
銆銆澶у娉ㄦ剰"run-parts"榪欎釜鍙傛暟浜嗭紝濡傛灉鍘繪帀榪欎釜鍙傛暟鐨勮瘽錛屽悗闈㈠氨鍙互鍐欒榪愯鐨勬煇涓剼鏈悕錛岃屼笉鏄枃浠跺す鍚嶄簡銆?/font>
tune2fs -U 51f7e9a4-5154-4e29-a7a6-208417290b85 /dev/sda
-U 鐨勫弬鏁板鏋滀負 random 琛ㄧず鐩存帴浜х敓涓涓殢鎰忕殑鏂?UUID錛?
tune2fs -U random /dev/sda
-U 鐨勫弬鏁板鏋滀負 time 琛ㄧず鐩存帴渚濆綋鍓嶆椂闂翠駭鐢熶竴涓柊鐨?UUID錛?
-U 鐨勫弬鏁板鏋滀負 clear 琛ㄧず娓呴櫎妗f緋葷粺鐨?UUID錛?