锘??xml version="1.0" encoding="utf-8" standalone="yes"?>
auto eth0
iface eth0 inet static
address ip
gateway default gateway
netmask default netmask
]]>
get -r -p -np -k http://xxx.com/abc/
-r, --recursive錛堥掑綊錛?nbsp;
specify recursive download.錛堟寚瀹氶掑綊涓嬭澆錛?br />
-k, --convert-links錛堣漿鎹㈤摼鎺ワ級
make links in downloaded HTML point to local files.錛堝皢涓嬭澆鐨凥TML欏甸潰涓殑閾炬帴杞崲涓虹浉瀵歸摼鎺ュ嵆鏈湴閾炬帴錛?br style="padding-bottom: 0px; border-right-width: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; font-family: 瀹嬩綋; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px; padding-top: 0px" />
-p, --page-requisites錛堥〉闈㈠繀闇鍏冪礌錛?nbsp;
get all images, etc. needed to display HTML page.錛堜笅杞芥墍鏈夌殑鍥劇墖絳夐〉闈㈡樉紺烘墍闇鐨勫唴瀹癸級
-np, --no-parent錛堜笉榪芥函鑷崇埗綰э級
don't ascend to the parent directory.
鍙﹀鏂偣緇紶鐢?nc鍙傛暟 鏃ュ織 鐢?o鍙傛暟
]]>
from:
http://blog.chinaunix.net/space.php?uid=233938&do=blog&cuid=211941
from: ibm developerworks
鐪嬩簡寰堝綞茶礬涓婃湁闂滄柤 SELinux 鐨勬枃绔犱互鍙婂埌鏇稿簵鍘葷炕浜嗕竴涓嬫湁鎻愬埌 SELinux 鐨?
Linux 鏇哥睄
鐪嬪畬浜嗙殑鎰熻涓嶆槸寰堝ソ
騫句箮閮芥矑鎻愬埌浠楹兼槸 SELinux錛?strong style="color: black; background-color: #ffff66;">SELinux
鐨勯亱浣滄鍒舵槸浠楹鹼紵
澶ч儴浠芥彁鍒扮殑瑙f焙杈︽硶錛岄兘鏄?“璜嬫妸 SELinux 鍋滅敤”
閫欐ǎ涔熷彧涓嶉亷鏄不妯欒屼笉鏄不鏈殑鏂規硶
* /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - SELinux is fully disabled.
SELINUX=enforcing
# SELINUXTYPE= type of policy in use. Possible values are:
# targeted - Only targeted network daemons are protected.
# strict - Full SELinux protection.
SELINUXTYPE=targeted
鑻ヨ鍋滅敤 SELinux錛? 鍓囨妸 SELINUX=enforcing 鏀規垚 SELINUX=disabled 寰岄噸鏂伴枊姍熷嵆鍙?/p>
* sestatus
鏌ョ湅 SELinux
鏄惁鍟熺敤鍙婄洰鍓嶇媭鎱嬪浣曠殑鎸囦護
濡?
1.SELinux
Disabled
$ sestatus
SELinux status: disabled
2.SELinux
Enabled
mode: enforcing
Policy: targeted
$ sestatus
SELinux status: disabled
SELinux status: enabled
SELinuxfs mount: /selinux
Current mode: enforcing
Mode from config file: enforcing
Policy version: 18
Policy from config file:targeted
Policy booleans:
...skip...
httpd_builtin_scripting active
httpd_disable_trans active
httpd_enable_cgi active
httpd_enable_homedirs active
httpd_ssi_exec active
httpd_tty_comm inactive
httpd_unified active
...skip...
* system-config-securitylevel
鍦栧艦鍖栦粙闈㈢殑宸ュ叿紼嬪紡錛岄櫎浜嗗彲浠ヨō瀹氶槻鐏墕(iptables)澶栵紝涔熷彲浠ヨō瀹?SELinux
* setenforce
鍦?SELinux
鍟熷嫊鐐?enforcing 鐨勭媭娉佷笅錛屽彲浠ュ煼琛?“setenforce 0“ 渚嗗皣 SELinux 鏆檪鍋滅敤
* getsebool and setsebool
/etc/selinux/targeted/booleans
閫欏嬫獢瑁¢潰鏀劇殑灝辨槸鍚勫?Policy 鐨勫竷鏋楀鹼紝涓嶉亷錛屽湪 FC5 涔嬪緦錛屽凡綞撴矑鏈夐欏嬫獢浜嗭紝浣犲彲浠ョ敤
$ getsebool -a
渚嗘煡鐪嬫墍鏈夌殑 booleans 璦畾鐙娉?br>
鎴栨槸浣跨敤濡?
$ setsebool -P httpd_disable_trans 1
渚嗗皣 httpd_disable_trans 鍋滅敤錛岄欐ǎ鍏跺涔熷氨絳夋柤鏄仠鐢?SELinux 灝?httpd 鐨勪繚璀蜂簡
* chcon
鍌崇當鐨?chmod 鎸囦護鏄敤渚嗚ō瀹氭獢妗堟垨鐩寗鐨勬瑠闄愮殑錛岃屽悓妯g殑 chcon 鎸囦護鍓囨槸鐢ㄤ締璦畾 SELinux 灝嶆獢妗堟垨鐩寗鐨?content 妯欑堡鐨?/p>
* fixfiles
fixfiles check 鎸囦護鍙互鐢ㄤ締妾㈡煡妾旀鎴栫洰閷勭殑 SELinux content
fixfiles restore 鎸囦護鍓囧彲浠ョ敤渚嗕慨姝?閭勫師)妾旀鎴栫洰閷勭殑 SELinux content
fixfiles relabel 鍓囨槸鏈冮噸鏂頒慨姝?閭勫師)鎵鏈夌殑妾旀鍙婄洰閷勭殑 SELinux content
鍓嶉潰鎻愬埌錛屾垜鍊戝彲浠ュ皣 SELinux 鍋滅敤(disabled) 鎴栨槸鍩瘋 “setsebool -P httpd_disable_trans 1“ 渚嗗仠鐢?SELinux 灝?httpd 鐨勪繚璀鳳紝閫欐ǎ錛?strong style="color: black; background-color: #a0ffff;">httpd 灝卞彲浠ヨ窡騫沖父涓妯g殑閬嬩綔浜?br> 閭e鏋滄垜鍊戣鍟熺敤 SELinux 涓旇畵 httpd 涔熷彲浠ユ甯擱亱浣滃憿錛?br> 鑸夊嬩緥瀛愪締瑾?
[root@acer:~] pwd
/root
[root@acer:~] echo "" > index.php
[root@acer:~] mv index.php /var/www/html/
`index.php' -> `/var/www/html/index.php'
[root@acer:~]
鍦ㄤ笂榪扮殑鎸囦護涓紝鎴戝湪 root 鐨?$HOME 鐩寗涓嬬敘鐢熶簡涓鍊?index.php 鐨勬獢妗堬紝鍏у鐐洪’紺?phpinfo
鐒跺緦鎶婂啀鎶婇欏嬫獢妗堟惉縐誨埌 /var/www/html 鐩寗搴曚笅錛岀劧寰岄枊 browser 渚嗙忚
http://localhost/index.php 閫欏嬮爜闈紝寰楀埌鐨勭暙闈㈠嵒鏄?
Forbidden
You don't have permission to access /index.php on this server.
Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.
娌掗尟錛岀劇娉曞瓨鍙栵紝鎴戝戜締鐪嬩竴鐪嬪埌搴曟槸鎬庨杭鍥炰簨:
[root@acer:~] ls -Z /var/www/html/index.php
-rw-r--r-- root root root:object_r:user_home_t /var/www/html/index.php
[root@acer:~]
[root@acer:~] ls -Z /var/www/
drwxr-xr-x root root system_u:object_r:httpd_sys_script_exec_t cgi-bin/
drwxr-xr-x root root system_u:object_r:httpd_sys_content_t error/
drwxr-xr-x root root system_u:object_r:httpd_sys_content_t html/
drwxr-xr-x root root system_u:object_r:httpd_sys_content_t icons/
drwxr-xr-x root root system_u:object_r:httpd_sys_content_t manual/
鍥犵偤 index.php 鐨?content type 鐐?user_home_t 鑰屼笉鏄?httpd_sys_content_t 鎵浠ョ劇娉曞瓨鍙?br> 鍥犳錛屾垜鍊戝彲浠ュ煼琛?
[root@acer:~] chcon -u system_u -t httpd_sys_content_t /var/www/html/index.php
[root@acer:~] ls -Z /var/www/html/index.php
-rw-r--r-- root root system_u:object_r:httpd_sys_content_t /var/www/html/index.php
璜嬪啀闁嬩竴嬈?browser (or reload)錛岀従鍦ㄦ槸涓嶆槸鍙互姝e父瀛樺彇 index.php 闋侀潰浜嗗憿錛?/p>
鍐嶇湅鍙︿竴鍊嬩緥瀛?
[root@acer:~] wget http://wordpress.org/latest.tar.gz
--13:36:59-- http://wordpress.org/latest.tar.gz
=> `latest.tar.gz'
Resolving wordpress.org... 72.232.44.122
Connecting to wordpress.org|72.232.44.122|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/octet-stream]
[ ] 505,475 90.49K/s
13:37:07 (90.28 KB/s) - `latest.tar.gz' saved [505475]
[root@acer:~] tar zxf latest.tar.gz
[root@acer:~] mv wordpress /var/www/html/wp
`wordpress' -> `/var/www/html/wp'
鐎忚 http://localhost/wp/ 鐨勭祼鏋滀竴妯h鎷掔禃瀛樺彇錛屽洜鐐?content 鐨勫晱欏?/p>
[root@acer:~] ls -dZ /var/www/html/wp
drwxr-xr-x 1025 1011 root:object_r:user_home_t /var/www/html/wp/
鍚屾ǎ鐨勶紝鎴戝戝彲浠ョ敤 chone -R 鎸囦護渚嗕慨姝?content
[root@acer:~] chcon -R -u system_u -t httpd_sys_content_t /var/www/html/wp/
鎴栨槸浣跨敤 fixfiles restore 鎸囦護涔熷彲浠?/p>
[root@acer:~] fixfiles restore /var/www/html/wp/
淇閬庡緦鐨勭媭娉?
[root@acer:~] ls -dZ /var/www/html/wp
drwxr-xr-x apache apache system_u:object_r:httpd_sys_content_t /var/www/html/wp/
http://linux.vbird.org/somepaper/20050801_SELinux.pdf
http://fedoraproject.org/wiki/SELinux
http://fedora.redhat.com/docs/selinux-faq/
http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/selinux-guide/
http://www.redhat.com/magazine/001nov04/features/selinux/
http://www.redhat.com/magazine/006apr05/features/selinux/
http://www.tresys.com/selinux/index.shtml
http://www.nsa.gov/selinux/
Linux鏂囦歡緋葷粺緇欐墍鏈夎咃紙owner錛夈佹墍鏈夌粍錛坥wning group錛夈佸叾瀹冿紙other錛夋瘡涓綾葷敤鎴峰垎鍒畾涔変簡鐨剅wx鏉冮檺錛屼笖鏄郊姝ょ嫭绔嬬殑銆傝櫧鐒禠inux鏈変篃Linux鐗規畩鏂囦歡鏉冮檺鐨勫姛鑳芥敮鎸侊紝浣嗚鍍忓湪Windows涓嬫妸鏉冮檺鎺у埗鍙互綺劇‘鍒扮敤鎴峰拰緇勶紙濡傚厑璁告煇涓枃浠跺厑璁告煇涓鐗規畩鐢ㄦ埛淇敼錛屽厑璁告煇涓緇勭殑鐢ㄦ埛鍙互鏌ョ湅絳夛級涓鏍風伒媧伙紝榪欎簺鏄劇劧榪樹笉澶熴備護浜烘鎱扮殑鏄紝Linux涔熸湁ACLs鏉冮檺鎺у埗鐨勬敮鎸侊紝鍦↙inux涓瑼CLs鍦≧eiserFS,Ext2,Ext3,JFS,XFS絳夋枃浠剁郴緇熶腑鍙楀埌鏀寔銆?/p>
淇敼鏂囦歡ACL錛歴etfacl -m u:tux:rw file鍏佽鐢ㄦ埛tux璇誨啓file鏂囦歡
鏌ョ湅鏂囦歡ACL錛歡etfacl file
浣跨敤浜咥CL鐨勬枃浠訛紝閫氳繃ls -l鍛戒護鏉ユ煡鐪嬫潈闄愭椂錛屽悗闈細鏈変竴涓?#8220;+”鍙鳳紝group鐨勬潈闄愪細鏈夊彉鍖栵紙浣跨敤浜咥CL mask鏉冮檺錛夈?/p>
鏂囦歡浣跨敤ACL鍚庯紝鏉冮檺瑙掕壊鏈夊涓嬪嚑縐嶇被鍨嬶細
鏈灝忓寲ACL錛?/p>
owning user
owning group
other
鎵╁睍ACL錛?/p>
鍙互鍖呭惈鑻ュ共涓璞★細named user錛堣緗崟鐙敤鎴風殑璁塊棶鏉冮檺錛夈乶amed group錛堣緗崟鐙兢緇勭殑璁塊棶鏉冮檺錛?/p>
鍖呭惈涓涓猰ask錛堥檺鍒秐amed users 鍜?named groups鐨勬潈闄愶級
涓句緥璇存槑濡備笅錛?/p>
owner user::rwx
named user user:name:rwx
owning group group ::rwx
named group group :nam e:rwx
mask mask::rwx
other other::rwx
瀹氫箟鍦╫wner銆乷ther閲岀殑鏉冮檺涓鐩撮兘鏄湁鏁堢殑錛屽叾瀹冩潈闄愬彲鑳界敤鏁堟垨鑰呰闅愯斀銆?/p>
named user涓巒amed group鐨勫兼槸鍚︾敓鏁堬紝榪樿鐪嬪叾鍊間笌mask鐨?#8220;涓?#8221;鍊鹼紝鍗砿ask涔熻鏈夎鏉冮檺錛屾墠鑳界敓鏁堛?/p>
mask鐨勫間竴鑸槸涓巓wning group涓鑷寸殑錛屽彲浠ラ氳繃淇敼owning group鐨勫兼潵淇敼mask銆?/p>
涓句緥璇存槑濡備笅錛?/p>
linux-canbeing:/home/canbeing/temp # getfacl my
# file: my
# owner: canbeing
# group: users
user::rw-
user:canbeing:rwx#effective:r-x w娌℃湁鐢熸晥
group::r--
mask::r-x
other::r--
瀛愮洰褰曚細緇ф壙鐖剁洰褰曠殑ACL銆?/p>
濡傛灉鐖剁洰褰曟湁ACL錛屽垯鍒涘緩鏂版枃浠舵垨鑰呮枃浠跺す鏃訛紝榛樿鏉冮檺涓嶄細鏍規嵁umask鏉ヨ綆楋紝鑰屾槸緇ф壙鎴栬呮牴鎹懡浠ゅ弬鏁般?/p>
浣跨敤setfacl -d -m u:canbeing:rw /tmp/acl_test/ 鍒欐鏉冮檺浼氬緱鍒板瓙鐩綍鍙婃枃浠剁殑緇ф壙錛堟潈闄愪互default寮澶達級
linux-canbeing:/tmp/acl_test # getfacl /tmp/acl_test/
getfacl: Removing leading '/' from absolute path names
# file: tmp/acl_test/
# owner: root
# group: root
user::rwx
user:canbeing:rwx
group::---
mask::rwx
other::---
default:user::rwx
default:user:canbeing:rw-
default:group::---
default:mask::rw-
default:other::---
銆銆[root@dbrg-2 ~]# curl -I www.baidu.com
銆銆HTTP/1.1 200 OK
銆銆Date: Wed, 29 Jul 2009 02:51:19 GMT
銆銆Server: BWS/1.0
銆銆Content-Length: 3509
銆銆Content-Type: text/html
銆銆Cache-Control: private
銆銆Expires: Wed, 29 Jul 2009 02:51:19 GMT
銆銆Set-Cookie: BAIDUID=0D5F54C0853B7C38D6BD3A3E5EA63C44:FG=1; expires=Wed, 29-Jul-39 02:51:19 GMT; path=/; domain=.baidu.com
銆銆P3P: CP=" OTI DSP COR IVA OUR IND COM "
銆銆[root@dbrg-2 ~]# wget -S --spider www.baidu.com
銆銆--10:51:34-- http://www.baidu.com/
銆銆=> `index.html
銆銆閭d箞宸ュ叿鏄疄鐜頒簡,濡備綍鐢╟鏉ュ疄鐜板憿... 鍏跺疄涔熷緢綆鍗?鎴戝垰寮濮嬭繕璧頒簡鐐瑰集璺兂鐨勬槸鍘繪煡鐪媤get or curl鐨勬簮鐮?濂堜綍閭g浠g爜鐩鎬簰涔嬮棿渚濊禆鎬уお寮哄疄鍦ㄤ笉鏄撻槄璇?浜庢槸鑷繁鐢╳ireshark鎶撳寘, so easy!!!!鏈夊叴瓚g殑鑷繁鍘繪姄涓?/p>
銆銆#include <stdio.h>
銆銆#include <stdlib.h>
銆銆#include <unistd.h>
銆銆#include <string.h>
銆銆#include <sys/socket.h>
銆銆#include <netinet/in.h>
銆銆#include <netdb.h>
銆銆#define HTTPPORT 80
銆銆char* head =
銆銆"HEAD / HTTP/1.0\r\n"
銆銆"Accept: */*\r\n"
銆銆"User-Agent: Wget/1.10.2 (Red Hat modified)\r\n"
銆銆"Host:127.0.0.1\r\n"
銆銆"Connection: Keep-Alive\r\n\r\n";
銆銆int connect_URL(char *domain,int port)
銆銆{
銆銆int sock;
銆銆struct hostent * host;
銆銆struct sockaddr_in server;
銆銆host = gethostbyname(domain);
銆銆if (host == NULL)
銆銆{
銆銆printf("gethostbyname error\n");
銆銆return -2;
銆銆}
sock = socket(AF_INET,SOCK_STREAM,0);
銆銆if (sock < 0)
銆銆{
銆銆printf("invalid socket\n");
銆銆return -1;
銆銆}
銆銆memset(&server,0,sizeof(struct sockaddr_in));
銆銆memcpy(&server.sin_addr,host->h_addr_list[0],host->h_length);
銆銆server.sin_family = AF_INET;
銆銆server.sin_port = htons(port);
銆銆return (connect(sock,(struct sockaddr *)&server,sizeof(struct sockaddr)) <0) ? -1 : sock;
銆銆}
銆銆int main()
銆銆{
銆銆int sock;
銆銆int ret;
銆銆char buf[100];
銆銆char *domain = "127.0.0.1";
銆銆FILE* fp = fopen("test","w+");
銆銆if(NULL == fp){
銆銆printf("can't open stockcode file!\n");
銆銆return -1;
銆銆}
銆銆sock = connect_URL(domain,HTTPPORT);
銆銆if (sock <0){
銆銆printf("connetc err\n");
銆銆return -1;
銆銆}
銆銆send(sock,head,strlen(head),0);
銆銆while(1)
銆銆{
銆銆if((ret=recv(sock,buf,100-1,0))<1)
銆銆break;
銆銆buf[ret]='\0';
銆銆printf("%s", buf);
銆銆fprintf(fp,"%s",buf); //save http data
銆銆}
銆銆fclose(fp);
銆銆close(sock);
銆銆//printf("bye!\n");
銆銆return 0;
銆銆}
from:
http://linux.chinaitlab.com/server/800420_2.html
linux涓嬬殑nc鍛戒護涓紝-l鍚庤窡闅忕洃鍚鍙o紝-p鍚庤窡闅忎笌鐩爣涓繪満寤虹珛榪炴帴鏃剁殑鏈湴绔彛錛屼簩鑰呬笉鍙兘鍚屾椂浣跨敤銆?br style="font: normal normal normal 12px/normal song, Verdana; ">
nc -l 1234
nc 127.0.0.1 1234璧勬簮
# free -m # 鏌ョ湅鍐呭瓨浣跨敤閲忓拰浜ゆ崲鍖轟嬌鐢ㄩ噺
# df -h # 鏌ョ湅鍚勫垎鍖轟嬌鐢ㄦ儏鍐?br># du -sh <鐩綍鍚?gt; # 鏌ョ湅鎸囧畾鐩綍鐨勫ぇ灝?br># grep MemTotal /proc/meminfo # 鏌ョ湅鍐呭瓨鎬婚噺
# grep MemFree /proc/meminfo # 鏌ョ湅絀洪棽鍐呭瓨閲?br># uptime # 鏌ョ湅緋葷粺榪愯鏃墮棿銆佺敤鎴鋒暟銆佽礋杞?br># cat /proc/loadavg # 鏌ョ湅緋葷粺璐熻澆
紓佺洏鍜屽垎鍖?br># mount | column -t # 鏌ョ湅鎸傛帴鐨勫垎鍖虹姸鎬?br># fdisk -l # 鏌ョ湅鎵鏈夊垎鍖?br># swapon -s # 鏌ョ湅鎵鏈変氦鎹㈠垎鍖?br># hdparm -i /dev/hda # 鏌ョ湅紓佺洏鍙傛暟(浠呴傜敤浜嶪DE璁懼)
# dmesg | grep IDE # 鏌ョ湅鍚姩鏃禝DE璁懼媯嫻嬬姸鍐?/p>
緗戠粶
# ifconfig # 鏌ョ湅鎵鏈夌綉緇滄帴鍙g殑灞炴?br># iptables -L # 鏌ョ湅闃茬伀澧欒緗?br># route -n # 鏌ョ湅璺敱琛?br># netstat -lntp # 鏌ョ湅鎵鏈夌洃鍚鍙?br># netstat -antp # 鏌ョ湅鎵鏈夊凡緇忓緩绔嬬殑榪炴帴
# netstat -s # 鏌ョ湅緗戠粶緇熻淇℃伅
榪涚▼
# ps -ef # 鏌ョ湅鎵鏈夎繘紼?br># top # 瀹炴椂鏄劇ず榪涚▼鐘舵?/p>
鐢ㄦ埛
# w # 鏌ョ湅媧誨姩鐢ㄦ埛
# id <鐢ㄦ埛鍚?gt; # 鏌ョ湅鎸囧畾鐢ㄦ埛淇℃伅
# last # 鏌ョ湅鐢ㄦ埛鐧誨綍鏃ュ織
# cut -d: -f1 /etc/passwd # 鏌ョ湅緋葷粺鎵鏈夌敤鎴?br># cut -d: -f1 /etc/group # 鏌ョ湅緋葷粺鎵鏈夌粍
# crontab -l # 鏌ョ湅褰撳墠鐢ㄦ埛鐨勮鍒掍換鍔?/p>
from:
http://blog.chinaunix.net/u2/76292/showart_1276219.html
銆銆
銆銆proc鏂囦歡緋葷粺鏄竴涓吉鏂囦歡緋葷粺錛屽畠鍙瓨鍦ㄥ唴瀛樺綋涓紝鑰屼笉鍗犵敤澶栧瓨絀洪棿銆傚畠浠ユ枃浠剁郴緇熺殑鏂瑰紡涓鴻闂郴緇熷唴鏍告暟鎹殑鎿嶄綔鎻愪緵鎺ュ彛銆傜敤鎴峰拰搴旂敤紼嬪簭鍙互閫氳繃proc寰楀埌緋葷粺鐨勪俊鎭紝騫跺彲浠ユ敼鍙樺唴鏍哥殑鏌愪簺鍙傛暟銆傜敱浜庣郴緇熺殑淇℃伅錛屽榪涚▼錛屾槸鍔ㄦ佹敼鍙樼殑錛屾墍浠ョ敤鎴鋒垨搴旂敤紼嬪簭璇誨彇proc鏂囦歡鏃訛紝proc鏂囦歡緋葷粺鏄姩鎬佷粠緋葷粺鍐呮牳璇誨嚭鎵闇淇℃伅騫舵彁浜ょ殑銆傚畠鐨勭洰褰曠粨鏋勫涓嬶細
銆銆
銆銆鐩綍鍚嶇О 鐩綍鍐呭
銆銆apm 楂樼駭鐢墊簮綆$悊淇℃伅
銆銆cmdline 鍐呮牳鍛戒護琛?/p>
銆銆Cpuinfo 鍏充簬Cpu淇℃伅
銆銆Devices 鍙互鐢ㄥ埌鐨勮澶囷紙鍧楄澶?瀛楃璁懼錛?/p>
銆銆Dma 浣跨敤鐨凞MA閫氶亾
銆銆Filesystems 鏀寔鐨勬枃浠剁郴緇?/p>
銆銆Interrupts 涓柇鐨勪嬌鐢?/p>
銆銆Ioports I/O绔彛鐨勪嬌鐢?/p>
銆銆Kcore 鍐呮牳鏍稿績鍗拌薄
銆銆Kmsg 鍐呮牳娑堟伅
銆銆Ksyms 鍐呮牳絎﹀彿琛?/p>
銆銆Loadavg 璐熻澆鍧囪
銆銆Locks 鍐呮牳閿?/p>
銆銆Meminfo 鍐呭瓨淇℃伅
銆銆Misc 鏉傞」
銆銆Modules 鍔犺澆妯″潡鍒楄〃
銆銆Mounts 鍔犺澆鐨勬枃浠剁郴緇?/p>
銆銆Partitions 緋葷粺璇嗗埆鐨勫垎鍖鴻〃
銆銆Rtc 瀹炴椂鏃墮挓
銆銆Slabinfo Slab姹犱俊鎭?/p>
銆銆Stat 鍏ㄩ潰緇熻鐘舵佽〃
銆銆Swaps 瀵規崲絀洪棿鐨勫埄鐢ㄦ儏鍐?/p>
銆銆Version 鍐呮牳鐗堟湰
銆銆Uptime 緋葷粺姝e父榪愯鏃墮棿
銆銆
銆銆騫朵笉鏄墍鏈夎繖浜涚洰褰曞湪浣犵殑緋葷粺涓兘鏈夛紝榪欏彇鍐充簬浣犵殑鍐呮牳閰嶇疆鍜岃杞界殑妯″潡銆傚彟澶栵紝鍦?proc涓嬭繕鏈変笁涓緢閲嶈鐨勭洰褰曪細net錛宻csi鍜宻ys銆?Sys鐩綍鏄彲鍐欑殑錛屽彲浠ラ氳繃瀹冩潵璁塊棶鎴栦慨鏀瑰唴鏍哥殑鍙傛暟錛堣涓嬩竴閮ㄥ垎錛夛紝鑰宯et鍜宻csi鍒欎緷璧栦簬鍐呮牳閰嶇疆銆備緥濡傦紝濡傛灉緋葷粺涓嶆敮鎸乻csi錛屽垯scsi 鐩綍涓嶅瓨鍦ㄣ?/p>
銆銆
銆銆闄や簡浠ヤ笂浠嬬粛鐨勮繖浜涳紝榪樻湁鐨勬槸涓浜涗互鏁板瓧鍛藉悕鐨勭洰褰曪紝瀹冧滑鏄繘紼嬬洰褰曘傜郴緇熶腑褰撳墠榪愯鐨勬瘡涓涓繘紼嬮兘鏈夊搴旂殑涓涓洰褰曞湪/proc涓嬶紝浠ヨ繘紼嬬殑 PID鍙蜂負鐩綍鍚嶏紝瀹冧滑鏄鍙栬繘紼嬩俊鎭殑鎺ュ彛銆傝宻elf鐩綍鍒欐槸璇誨彇榪涚▼鏈韓鐨勪俊鎭帴鍙o紝鏄竴涓猯ink銆侾roc鏂囦歡緋葷粺鐨勫悕瀛楀氨鏄敱涔嬭岃搗銆傝繘紼嬬洰褰曠殑緇撴瀯濡備笅錛?/p>
銆銆
銆銆鐩綍鍚嶇О 鐩綍鍐呭
銆銆Cmdline 鍛戒護琛屽弬鏁?/p>
銆銆Environ 鐜鍙橀噺鍊?/p>
銆銆Fd 涓涓寘鍚墍鏈夋枃浠舵弿榪扮鐨勭洰褰?/p>
銆銆Mem 榪涚▼鐨勫唴瀛樿鍒╃敤鎯呭喌
銆銆Stat 榪涚▼鐘舵?/p>
銆銆Status 榪涚▼褰撳墠鐘舵侊紝浠ュ彲璇葷殑鏂瑰紡鏄劇ず鍑烘潵
銆銆Cwd 褰撳墠宸ヤ綔鐩綍鐨勯摼鎺?/p>
銆銆Exe 鎸囧悜璇ヨ繘紼嬬殑鎵ц鍛戒護鏂囦歡
銆銆Maps 鍐呭瓨鏄犺薄
銆銆Statm 榪涚▼鍐呭瓨鐘舵佷俊鎭?/p>
銆銆Root 閾炬帴姝よ繘紼嬬殑root鐩綍
銆銆
銆銆鐢ㄦ埛濡傛灉瑕佹煡鐪嬬郴緇熶俊鎭紝鍙互鐢╟at鍛戒護銆備緥濡傦細
銆銆
銆銆# cat /proc/interrupts
銆銆CPU0
銆銆0: 8728810 XT-PIC timer
銆銆1: 895 XT-PIC keyboard
銆銆2: 0 XT-PIC cascade
銆銆3: 531695 XT-PIC aha152x
銆銆4: 2014133 XT-PIC serial
銆銆5: 44401 XT-PIC pcnet_cs
銆銆8: 2 XT-PIC rtc
銆銆11: 8 XT-PIC i82365
銆銆12: 182918 XT-PIC Mouse
銆銆13: 1 XT-PIC fpu PS/2
銆銆14: 1232265 XT-PIC ide0
銆銆15: 7 XT-PIC ide1
銆銆NMI: 0
銆銆
銆銆鐢ㄦ埛榪樺彲浠ュ疄鐜頒慨鏀瑰唴鏍稿弬鏁般傚湪/proc鏂囦歡緋葷粺涓湁涓涓湁瓚g殑鐩綍錛?proc/sys銆傚畠涓嶄粎鎻愪緵浜嗗唴鏍鎬俊鎭紝鑰屼笖鍙互閫氳繃瀹冧慨鏀瑰唴鏍稿弬鏁幫紝鏉ヤ紭鍖栦綘鐨勭郴緇熴備絾鏄綘蹇呴』寰堝皬蹇冿紝鍥犱負鍙兘浼氶犳垚緋葷粺宕╂簝銆傛渶濂芥槸鍏堟壘涓鍙版棤鍏崇揣瑕佺殑鏈哄瓙錛岃皟璇曟垚鍔熷悗鍐嶅簲鐢ㄥ埌浣犵殑緋葷粺涓娿?/p>
銆銆
銆銆瑕佹敼鍙樺唴鏍哥殑鍙傛暟錛屽彧瑕佺敤vi緙栬緫鎴杄cho鍙傛暟閲嶅畾鍚戝埌鏂囦歡涓嵆鍙備笅闈㈡湁涓涓緥瀛愶細
銆銆
銆銆# cat /proc/sys/fs/file-max
銆銆4096
銆銆# echo 8192 > /proc/sys/fs/file-max
銆銆# cat /proc/sys/fs/file-max
銆銆8192
銆銆
銆銆濡傛灉浣犱紭鍖栦簡鍙傛暟錛屽垯鍙互鎶婂畠浠啓鎴愭坊鍔犲埌鏂囦歡rc.local涓紝浣垮畠鍦ㄧ郴緇熷惎鍔ㄦ椂鑷姩瀹屾垚淇敼銆?/p>
銆銆
銆銆/proc鏂囦歡緋葷粺涓綉緇滃弬鏁?/p>
銆銆
銆銆鍦?proc/sys/net/ipv4/鐩綍涓嬶紝鍖呭惈鐨勬槸鍜宼cp/ip鍗忚鐩稿叧鐨勫悇縐嶅弬鏁幫紝涓嬮潰鎴戜滑灝卞榪欎簺緗戠粶鍙傛暟鍔犱互璇︾粏鐨勮鏄庛?/p>
銆銆
銆銆ip_forward 鍙傛暟綾誨瀷錛欱OOLEAN
銆銆0 - 鍏抽棴(榛樿鍊?
銆銆not 0 - 鎵撳紑ip杞彂
銆銆
銆銆鍦ㄧ綉緇滄湰鍦版帴鍙d箣闂磋漿鍙戞暟鎹姤銆傝鍙傛暟闈炲父鐗規畩錛屽璇ュ弬鏁扮殑淇敼灝嗗鑷村叾瀹冩墍鏈夌浉鍏抽厤緗弬鏁版仮澶嶅叾榛樿鍊?瀵逛簬涓繪満鍙傞槄RFC1122錛屽浜庤礬鐢卞櫒鍙傝RFC1812)
銆銆
銆銆ip_default_ttl 鍙傛暟綾誨瀷錛欼NTEGER
銆銆榛樿鍊間負 64 銆傝〃紺篒P鏁版嵁鎶ョ殑Time To Live鍊箋?/p>
銆銆
銆銆ip_no_pmtu_disc 鍙傛暟綾誨瀷錛欱OOLEAN
銆銆鍏抽棴璺緞MTU鎺㈡祴錛岄粯璁ゅ間負FALSE
銆銆
銆銆ipfrag_high_thresh 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆鐢ㄦ潵緇勮鍒嗘鐨処P鍖呯殑鏈澶у唴瀛橀噺銆傚綋ipfrag_high_thresh鏁伴噺鐨勫唴瀛樿鍒嗛厤鏉ョ敤鏉ョ粍瑁匢P鍖咃紝鍒橧P鍒嗙墖澶勭悊鍣ㄥ皢涓㈠純鏁版嵁鎶ョ洿鍒癷pfrag_low_thresh鏁伴噺鐨勫唴瀛樿鐢ㄦ潵緇勮IP鍖呫?/p>
銆銆
銆銆ipfrag_low_thresh 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆鍙傝ipfrag_high_thresh銆?/p>
銆銆
銆銆ipfrag_time 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆淇濆瓨涓涓狪P鍒嗙墖鍦ㄥ唴瀛樹腑鐨勬椂闂淬?/p>
銆銆
銆銆inet_peer_threshold 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆INET瀵圭瀛樺偍鍣ㄦ煇涓悎閫傚鹼紝褰撹秴榪囪闃鍊兼潯鐩皢琚涪寮冦傝闃鍊煎悓鏍峰喅瀹氱敓瀛樻椂闂翠互鍙婂簾鐗╂敹闆嗛氳繃鐨勬椂闂撮棿闅斻傛潯鐩秺澶?瀛樻椿鏈熻秺浣?GC 闂撮殧瓚婄煭
銆銆
銆銆inet_peer_minttl 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆鏉$洰鐨勬渶浣庡瓨媧繪湡銆傚湪閲嶇粍绔繀欏昏鏈夎凍澶熺殑紕庣墖(fragment)瀛樻椿鏈熴傝繖涓渶浣庡瓨媧繪湡蹇呴』淇濊瘉緙撳啿姹犲縐槸鍚﹀皯浜?inet_peer_threshold銆傝鍊間互 jiffies涓哄崟浣嶆祴閲忋?/p>
銆銆
銆銆inet_peer_maxttl 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆鏉$洰鐨勬渶澶у瓨媧繪湡銆傚湪姝ゆ湡闄愬埌杈句箣鍚?濡傛灉緙撳啿姹犳病鏈夎楀敖鍘嬪姏鐨勮瘽(渚嬪 緙撳啿姹犱腑鐨勬潯鐩暟鐩潪甯稿皯) 涓嶄嬌鐢ㄧ殑鏉$洰灝嗕細瓚呮椂銆傝鍊間互 jiffies涓哄崟浣嶆祴閲忋?/p>
銆銆
銆銆inet_peer_gc_mintime 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆搴熺墿鏀墮泦(GC)閫氳繃鐨勬渶鐭棿闅斻傝繖涓棿闅斾細褰卞搷鍒扮紦鍐叉睜涓唴瀛樼殑楂樺帇鍔涖?璇ュ間互 jiffies涓哄崟浣嶆祴閲忋?/p>
銆銆
銆銆inet_peer_gc_maxtime 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆搴熺墿鏀墮泦(GC)閫氳繃鐨勬渶澶ч棿闅旓紝榪欎釜闂撮殧浼氬獎鍝嶅埌緙撳啿姹犱腑鍐呭瓨鐨勪綆鍘嬪姏銆?璇ュ間互 jiffies涓哄崟浣嶆祴閲忋?/p>
銆銆
銆銆tcp_syn_retries 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆瀵逛簬涓涓柊寤鴻繛鎺ワ紝鍐呮牳瑕佸彂閫佸灝戜釜 SYN 榪炴帴璇鋒眰鎵嶅喅瀹氭斁寮冦備笉搴旇澶т簬255錛岄粯璁ゅ兼槸5錛屽搴斾簬180縐掑乏鍙熾?/p>
銆銆
銆銆tcp_synack_retries 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆瀵逛簬榪滅鐨勮繛鎺ヨ姹係YN錛屽唴鏍鎬細鍙戦丼YN 錛?ACK鏁版嵁鎶ワ紝浠ョ‘璁ゆ敹鍒頒笂涓涓?SYN榪炴帴璇鋒眰鍖呫傝繖鏄墍璋撶殑涓夋鎻℃墜( threeway handshake)鏈哄埗鐨勭浜屼釜姝ラ銆傝繖閲屽喅瀹氬唴鏍稿湪鏀懼純榪炴帴涔嬪墠鎵閫佸嚭鐨?SYN+ACK 鏁扮洰銆?/p>
銆銆
銆銆tcp_keepalive_time 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆褰搆eepalive鎵撳紑鐨勬儏鍐典笅錛孴CP鍙戦乲eepalive娑堟伅鐨勯鐜囷紝榛樿鍊兼槸2涓皬鏃躲?/p>
銆銆
銆銆tcp_keepalive_probes 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆TCP鍙戦乲eepalive鎺㈡祴浠ョ‘瀹氳榪炴帴宸茬粡鏂紑鐨勬鏁幫紝榛樿鍊兼槸9銆?/p>
銆銆
銆銆tcp_keepalive_interval 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆鎺㈡祴娑堟伅鍙戦佺殑棰戠巼錛屼箻浠cp_keepalive_probes灝卞緱鍒板浜庝粠寮濮嬫帰嫻嬩互鏉ユ病鏈夊搷搴旂殑榪炴帴鏉闄ょ殑鏃墮棿銆傞粯璁ゅ間負75縐掞紝涔熷氨鏄病鏈夋椿鍔ㄧ殑榪炴帴灝嗗湪澶х害11鍒嗛挓浠ュ悗灝嗚涓㈠純銆?/p>
銆銆
銆銆tcp_retries1 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆褰撳嚭鐜板彲鐤戞儏鍐佃屽繀欏誨悜緗戠粶灞傛姤鍛婅繖涓彲鐤戠姸鍐典箣鍓?闇瑕佽繘琛屽灝戞閲嶈瘯銆傛渶浣庣殑 RFC 鏁板兼槸 3 榪欎篃鏄粯璁ゅ?鏍規嵁RTO鐨勫煎ぇ綰﹀湪3縐?- 8鍒嗛挓涔嬮棿銆?/p>
銆銆
銆銆tcp_retries2 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆鍦ㄤ涪寮冩縺媧葷殑TCP榪炴帴涔嬪墠 闇瑕佽繘琛屽灝戞閲嶈瘯銆俁FC1122瑙勫畾錛岃鍊煎繀欏誨ぇ浜?00縐掋傞粯璁ゅ間負15錛屾牴鎹甊TO鐨勫兼潵鍐沖畾錛岀浉褰撲簬13-30鍒嗛挓錛?/p>
銆銆
銆銆tcp_orphan_retries 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆鍦ㄨ繎绔涪寮僒CP榪炴帴涔嬪墠 瑕佽繘琛屽灝戞閲嶈瘯銆傞粯璁ゅ兼槸 7 涓?鐩稿綋浜?50縐?- 16鍒嗛挓 瑙?RTO 鑰屽畾銆傚鏋滄偍鐨勭郴緇熸槸璐熻澆寰堝ぇ鐨剋eb鏈嶅姟鍣?閭d箞涔熻闇瑕侀檷浣庤鍊?榪欑被 sockets 鍙兘浼氳楄垂澶ч噺鐨勮祫婧愩傚彟澶栧弬鐨勮?tcp_max_orphans 銆?/p>
銆銆
銆銆tcp_fin_timeout 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆瀵逛簬鏈鏂紑鐨剆ocket榪炴帴錛孴CP淇濇寔鍦‵IN-WAIT-2鐘舵佺殑鏃墮棿銆傚鏂瑰彲鑳戒細鏂紑榪炴帴鎴栦竴鐩翠笉緇撴潫榪炴帴鎴栦笉鍙鏂欑殑榪涚▼姝諱骸銆傞粯 璁ゅ間負 60 縐掋傝繃鍘誨湪2.2鐗堟湰鐨勫唴鏍鎬腑鏄?180 縐掋傛偍鍙互璁劇疆璇ュ?浣嗛渶瑕佹敞鎰?濡傛灉鎮ㄧ殑鏈哄櫒涓鴻礋杞藉緢閲嶇殑web鏈嶅姟鍣?鎮ㄥ彲鑳借鍐掑唴瀛樿澶ч噺鏃犳晥鏁版嵁鎶ュ~婊$殑椋庨櫓 FIN-WAIT-2 sockets 鐨勫嵄闄╂т綆浜?FIN-WAIT-1 鍥犱負瀹冧滑鏈澶氬彧鍚?1.5K 鐨勫唴瀛?浣嗘槸瀹冧滑瀛樺湪鏃墮棿鏇撮暱銆傚彟澶栧弬鑰?tcp_max_orphans銆?/p>
銆銆
銆銆tcp_max_tw_buckets 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆緋葷粺鍦ㄥ悓鏃舵墍澶勭悊鐨勬渶澶imewait sockets 鏁扮洰銆傚鏋滆秴榪囨鏁扮殑璇?time-wait socket 浼氳绔嬪嵆鐮嶉櫎騫朵笖鏄劇ず璀﹀憡淇℃伅銆備箣鎵浠ヨ璁懼畾榪欎釜闄愬埗 綰補涓轟簡鎶靛盡閭d簺綆鍗曠殑 DoS 鏀誨嚮 鍗冧竾涓嶈浜轟負鐨勯檷浣庤繖涓檺鍒?涓嶈繃 濡傛灉緗戠粶鏉′歡闇瑕佹瘮榛樿鍊兼洿澶?鍒欏彲浠ユ彁楂樺畠(鎴栬榪樿澧炲姞鍐呭瓨)銆?/p>
銆銆
銆銆tcp_tw_recycle 鍙傛暟綾誨瀷錛氬竷灝?/p>
銆銆鎵撳紑蹇?TIME-WAIT sockets 鍥炴敹銆傞粯璁ゅ兼槸1銆傞櫎闈炲緱鍒版妧鏈笓瀹剁殑寤鴻鎴栬姹?璇蜂笉瑕侀殢鎰忎慨鏀硅繖涓箋?/p>
銆銆
銆銆tcp_max_orphans 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆緋葷粺鎵鑳藉鐞嗕笉灞炰簬浠諱綍榪涚▼鐨凾CP sockets鏈澶ф暟閲忋傚亣濡傝秴榪囪繖涓暟閲?閭d箞涓嶅睘浜庝換浣曡繘紼嬬殑榪炴帴浼氳绔嬪嵆reset錛屽茍鍚屾椂鏄劇ず璀﹀憡淇℃伅銆備箣鎵浠ヨ璁懼畾榪欎釜闄愬埗 綰補涓轟簡鎶靛盡閭d簺綆鍗曠殑 DoS 鏀誨嚮 鍗冧竾涓嶈渚濊禆榪欎釜鎴栨槸浜轟負鐨勯檷浣庤繖涓檺鍒?/p>
銆銆
銆銆tcp_abort_on_overflow 鍙傛暟綾誨瀷錛氬竷灝?/p>
銆銆褰撳畧鎶よ繘紼嬪お蹇欒屼笉鑳芥帴鍙楁柊鐨勮繛鎺ワ紝灝辮薄瀵規柟鍙戦乺eset娑堟伅錛岄粯璁ゅ兼槸false銆傝繖鎰忓懗鐫褰撴孩鍑虹殑鍘熷洜鏄洜涓轟竴涓伓鐒剁殑鐚濆彂錛岄偅涔堣繛鎺ュ皢鎭㈠鐘舵併傚彧鏈夊湪浣犵‘淇″畧鎶よ繘紼嬬湡鐨勪笉鑳藉畬鎴愯繛鎺ヨ姹傛椂鎵嶆墦寮璇ラ夐」錛岃閫夐」浼氬獎鍝嶅鎴風殑浣跨敤銆?/p>
銆銆
銆銆tcp_syncookies 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆鍙湁鍦ㄥ唴鏍哥紪璇戞椂閫夋嫨浜咰ONFIG_SYNCOOKIES鏃舵墠浼氬彂鐢熶綔鐢ㄣ傚綋鍑虹幇syn絳夊欓槦鍒楀嚭鐜版孩鍑烘椂璞″鏂瑰彂閫乻yncookies銆傜洰鐨勬槸涓轟簡闃叉syn flood鏀誨嚮銆傞粯璁ゅ兼槸false銆?/p>
銆銆
銆銆娉ㄦ剰錛氳閫夐」鍗冧竾涓嶈兘鐢ㄤ簬閭d簺娌℃湁鏀跺埌鏀誨嚮鐨勯珮璐熻澆鏈嶅姟鍣紝濡傛灉鍦ㄦ棩蹇椾腑鍑虹幇synflood娑堟伅錛屼絾鏄皟鏌ュ彂鐜版病鏈夋敹鍒皊ynflood鏀?鍑伙紝鑰屾槸鍚堟硶鐢ㄦ埛鐨勮繛鎺ヨ礋杞借繃楂樼殑鍘熷洜錛屼綘搴旇璋冩暣鍏跺畠鍙傛暟鏉ユ彁楂樻湇鍔″櫒鎬ц兘銆傚弬鑰? tcp_max_syn_backlog, tcp_synack_retries, tcp_abort_on_overflow.
銆銆
銆銆syncookie涓ラ噸鐨勮繚鑳孴CP鍗忚錛屼笉鍏佽浣跨敤TCP鎵╁睍錛屽彲鑳藉鏌愪簺鏈嶅姟瀵艱嚧涓ラ噸鐨勬ц兘褰卞搷(濡係MTP杞彂)銆?/p>
銆銆
銆銆tcp_stdurg 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆浣跨敤 TCP urg pointer 瀛楁涓殑涓繪満璇鋒眰瑙i噴鍔熻兘銆傚ぇ閮ㄤ喚鐨勪富鏈洪兘浣跨敤鑰佹棫鐨?BSD瑙i噴錛屽洜姝ゅ鏋滄偍鍦?Linux 鎵撳紑瀹?鎴栦細瀵艱嚧涓嶈兘鍜屽畠浠紜矡閫氥傞粯璁ゅ間負涓?FALSE
銆銆
銆銆tcp_max_syn_backlog 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆瀵逛簬閭d簺渚濈劧榪樻湭鑾峰緱瀹㈡埛绔‘璁ょ殑榪炴帴璇鋒眰 闇瑕佷繚瀛樺湪闃熷垪涓渶澶ф暟鐩傚浜庤秴榪?128Mb 鍐呭瓨鐨勭郴緇?榛樿鍊兼槸 1024 浣庝簬 128Mb 鐨勫垯涓?128銆傚鏋滄湇鍔″櫒緇忓父鍑虹幇榪囪澆 鍙互灝濊瘯澧炲姞榪欎釜鏁板瓧銆傝鍛?鍋囧鎮ㄥ皢姝ゅ艱涓哄ぇ浜?1024 鏈濂戒慨鏀?include/net/tcp.h 閲岄潰鐨?TCP_SYNQ_HSIZE 浠ヤ繚鎸?TCP_SYNQ_HSIZE*16<=tcp_max_syn_backlog 騫朵笖緙栬繘鏍稿績涔嬪唴銆?/p>
銆銆
銆銆tcp_window_scaling 鍙傛暟綾誨瀷錛氬竷灝?/p>
銆銆姝e父鏉ヨ錛孴CP/IP 鍙互鎺ュ彈鏈澶у埌65535瀛楄妭鐨?windows銆傚浜庡甯︾綉緇滐紝璇ュ煎彲鑳芥槸涓嶅鐨勶紝閫氳繃璋冩暣璇ュ弬鏁版湁鍔╀簬鎻愰珮瀹藉甫鏈嶅姟鍣ㄦц兘銆?/p>
銆銆
銆銆tcp_timestamps 鍙傛暟綾誨瀷錛氬竷灝?/p>
銆銆Timestamps 鐢ㄥ湪鍏跺畠涓浜涗笢瑗夸腑 鍙互闃茶寖閭d簺浼犵殑 sequence 鍙風爜銆備竴鏉?G鐨勫甯︾嚎璺垨璁鎬細閲嶉亣鍒板甫 out-of-line鏁板肩殑鏃equence 鍙風爜(鍋囧瀹冩槸鐢變簬涓婃浜х敓鐨?銆俆imestamp 浼氳瀹冪煡閬撹繖鏄釜 '鏃у皝鍖?銆?/p>
銆銆
銆銆tcp_sack 鍙傛暟綾誨瀷錛氬竷灝?/p>
銆銆浣跨敤 Selective ACK 瀹冨彲浠ョ敤鏉ユ煡鎵劇壒瀹氱殑閬楀け鐨勬暟鎹姤--- 鍥犳鏈夊姪浜庡揩閫熸仮澶嶇姸鎬併?/p>
銆銆
銆銆tcp_fack 鍙傛暟綾誨瀷錛氬竷灝?/p>
銆銆鎵撳紑FACK鎷ュ閬垮厤鍜屽揩閫熼噸浼犲姛鑳姐?/p>
銆銆
銆銆tcp_dsack 鍙傛暟綾誨瀷錛氬竷灝?/p>
銆銆鍏佽TCP鍙戦?涓や釜瀹屽叏鐩稿悓"鐨凷ACK銆?/p>
銆銆
銆銆tcp_ecn 鍙傛暟綾誨瀷錛氬竷灝?/p>
銆銆鎵撳紑TCP鐨勭洿鎺ユ嫢濉為氬憡鍔熻兘銆?/p>
銆銆
銆銆tcp_reordering 鍙傛暟綾誨瀷錛氭暣鍨?/p>
銆銆TCP嫻佷腑閲嶆帓搴忕殑鏁版嵁鎶ユ渶澶ф暟閲忛粯璁ゅ兼槸 3 銆?/p>
銆銆
銆銆tcp_retrans_collapse 鍙傛暟綾誨瀷錛氬竷灝?/p>
銆銆瀵逛簬鏌愪簺鏈塨ug鐨勬墦鍗版満鎻愪緵閽堝鍏禸ug鐨勫吋瀹規с?/p>
銆銆
銆銆tcp_wmem - 涓変釜鏁存暟鐨勫悜閲忥細 min, default, max
銆銆min錛氫負TCP socket棰勭暀鐢ㄤ簬鍙戦佺紦鍐茬殑鍐呭瓨鏈灝忓箋傛瘡涓猼cp socket閮藉彲浠ュ湪寤鴻浠ュ悗閮藉彲浠ヤ嬌鐢ㄥ畠銆傞粯璁ゅ間負4K銆?/p>
銆銆
銆銆default錛氫負TCP socket棰勭暀鐢ㄤ簬鍙戦佺紦鍐茬殑鍐呭瓨鏁伴噺錛岄粯璁ゆ儏鍐典笅璇ュ間細褰卞搷鍏跺畠鍗忚浣跨敤鐨刵et.core.wmem_default 鍊鹼紝涓鑸浣庝簬net.core.wmem_default鐨勫箋傞粯璁ゅ間負16K銆?/p>
銆銆
銆銆max: 鐢ㄤ簬TCP socket鍙戦佺紦鍐茬殑鍐呭瓨鏈澶у箋傝鍊間笉浼氬獎鍝峮et.core.wmem_max錛屼粖澶╅夋嫨鍙傛暟SO_SNDBUF鍒欎笉鍙楄鍊煎獎鍝嶃傞粯璁ゅ間負128K銆?/p>
銆銆
銆銆tcp_rmem - 涓変釜鏁存暟鐨勫悜閲忥細 min, default, max
銆銆min錛氫負TCP socket棰勭暀鐢ㄤ簬鎺ユ敹緙撳啿鐨勫唴瀛樻暟閲忥紝鍗充嬌鍦ㄥ唴瀛樺嚭鐜扮揣寮犳儏鍐典笅tcp socket閮借嚦灝戜細鏈夎繖涔堝鏁伴噺鐨勫唴瀛樼敤浜庢帴鏀剁紦鍐詫紝榛樿鍊間負8K銆?/p>
銆銆
銆銆default錛氫負TCP socket棰勭暀鐢ㄤ簬鎺ユ敹緙撳啿鐨勫唴瀛樻暟閲忥紝榛樿鎯呭喌涓嬭鍊煎獎鍝嶅叾瀹冨崗璁嬌鐢ㄧ殑 net.core.wmem_default 鍊箋傝鍊煎喅瀹氫簡鍦╰cp_adv_win_scale銆乼cp_app_win鍜宼cp_app_win:0鏄粯璁ゅ兼儏鍐典笅錛宼cp 紿楀彛澶у皬涓?5535銆?/p>
銆銆
銆銆max錛氱敤浜嶵CP socket鎺ユ敹緙撳啿鐨勫唴瀛樻渶澶у箋傝鍊間笉浼氬獎鍝?net.core.wmem_max錛屼粖澶╅夋嫨鍙傛暟 SO_SNDBUF鍒欎笉鍙楄鍊煎獎鍝嶃傞粯璁ゅ間負 128K銆傞粯璁ゅ間負87380*2 bytes銆?/p>
銆銆
銆銆tcp_mem - 涓変釜鏁存暟鐨勫悜閲忥細 low, pressure, high
銆銆low錛氬綋TCP浣跨敤浜嗕綆浜庤鍊肩殑鍐呭瓨欏甸潰鏁版椂錛孴CP涓嶄細鑰冭檻閲婃斁鍐呭瓨銆?/p>
銆銆
銆銆pressure錛氬綋TCP浣跨敤浜嗚秴榪囪鍊肩殑鍐呭瓨欏甸潰鏁伴噺鏃訛紝TCP璇曞浘紼沖畾鍏跺唴瀛樹嬌鐢紝榪涘叆pressure妯″紡錛屽綋鍐呭瓨娑堣椾綆浜巐ow鍊兼椂鍒欓鍑簆ressure鐘舵併?/p>
銆銆
銆銆high錛氬厑璁告墍鏈塼cp sockets鐢ㄤ簬鎺掗槦緙撳啿鏁版嵁鎶ョ殑欏甸潰閲忋?/p>
銆銆
銆銆涓鑸儏鍐典笅榪欎簺鍊兼槸鍦ㄧ郴緇熷惎鍔ㄦ椂鏍規嵁緋葷粺鍐呭瓨鏁伴噺璁$畻寰楀埌鐨勩?/p>
銆銆
銆銆tcp_app_win - 鏁存暟
銆銆
銆銆淇濈暀max(window/2^tcp_app_win, mss)鏁伴噺鐨勭獥鍙g敱浜庡簲鐢ㄧ紦鍐層傚綋涓?鏃惰〃紺轟笉闇瑕佺紦鍐層傞粯璁ゅ兼槸31銆?/p>
銆銆
銆銆tcp_adv_win_scale - 鏁存暟
銆銆璁$畻緙撳啿寮閿bytes/2^tcp_adv_win_scale(濡傛灉tcp_adv_win_scale > 0)鎴栬卋ytes-bytes/2^(-tcp_adv_win_scale)(濡傛灉tcp_adv_win_scale <= 0錛夛紝榛樿鍊間負2銆?/p>
銆銆
銆銆ip_local_port_range - 涓や釜鏁存暟
銆銆瀹氫簬TCP鍜孶DP浣跨敤鐨勬湰鍦扮鍙h寖鍥達紝絎竴涓暟鏄紑濮嬶紝絎簩涓暟鏄渶鍚庣鍙e彿錛岄粯璁ゅ間緷璧栦簬緋葷粺涓彲鐢ㄧ殑鍐呭瓨鏁幫細
銆銆> 128Mb 32768-61000
銆銆< 128Mb 1024-4999 or even less.
銆銆璇ュ煎喅瀹氫簡媧誨姩榪炴帴鐨勬暟閲忥紝涔熷氨鏄郴緇熷彲浠ュ茍鍙戠殑榪炴帴鏁?/p>
銆銆
銆銆icmp_echo_ignore_all - 甯冨皵綾誨瀷
銆銆icmp_echo_ignore_broadcasts - 甯冨皵綾誨瀷
銆銆濡傛灉浠諱綍涓涓緗負true(>0)鍒欑郴緇熷皢蹇界暐鎵鏈夊彂閫佺粰鑷繁鐨処CMP ECHO璇鋒眰鎴栭偅浜涘箍鎾湴鍧鐨勮姹傘?/p>
銆銆
銆銆icmp_destunreach_rate - 鏁存暟
銆銆icmp_paramprob_rate - 鏁存暟
銆銆icmp_timeexceed_rate - 鏁存暟
銆銆icmp_echoreply_rate - 鏁存暟(not enabled per default)
銆銆闄愬埗鍙戝悜鐗瑰畾鐩爣鐨処CMP鏁版嵁鎶ョ殑鏈澶ч熺巼銆?琛ㄧず娌℃湁浠諱綍闄愬埗錛屽惁鍒欒〃紺簀iffies鏁版嵁鍗曚綅涓厑璁稿彂閫佺殑涓暟銆?/p>
銆銆
銆銆icmp_ignore_bogus_error_responses - 甯冨皵綾誨瀷
銆銆鏌愪簺璺敱鍣ㄨ繚鑳孯FC1122鏍囧噯錛屽叾瀵瑰箍鎾撫鍙戦佷吉閫犵殑鍝嶅簲鏉ュ簲絳斻傝繖縐嶈繚鑳岃涓洪氬父浼氳浠ュ憡璀︾殑鏂瑰紡璁板綍鍦ㄧ郴緇熸棩蹇椾腑銆傚鏋滆閫夐」璁劇疆涓篢rue錛屽唴鏍鎬笉浼氳褰曡繖縐嶈鍛婁俊鎭傞粯璁ゅ間負False銆?/p>
銆銆
銆銆(1) Jiffie: 鍐呮牳浣跨敤鐨勫唴閮ㄦ椂闂村崟浣嶏紝鍦╥386緋葷粺涓婂ぇ灝忎負1/100s錛屽湪Alpha涓負1/1024S銆傚湪/usr/include/asm/param.h涓殑HZ瀹氫箟鏈夌壒瀹氱郴緇熺殑鍊箋?/p>
銆銆
銆銆conf/interface/*:
銆銆conf/all/*鏄壒瀹氱殑錛岀敤鏉ヤ慨鏀規墍鏈夋帴鍙g殑璁劇疆錛宨s special and changes the settings for all interfaces.
銆銆Change special settings per interface.
銆銆
銆銆log_martians - 甯冨皵綾誨瀷
銆銆璁板綍甯︽湁涓嶅厑璁哥殑鍦板潃鐨勬暟鎹姤鍒板唴鏍告棩蹇椾腑銆?/p>
銆銆
銆銆accept_redirects - 甯冨皵綾誨瀷
銆銆鏀跺彂鎺ユ敹ICMP閲嶅畾鍚戞秷鎭傚浜庝富鏈烘潵璇撮粯璁や負True錛屽浜庣敤浣滆礬鐢卞櫒鏃墮粯璁ゅ間負False銆?/p>
銆銆
銆銆forwarding - 甯冨皵綾誨瀷
銆銆鍦ㄨ鎺ュ彛鎵撳紑杞彂鍔熻兘
銆銆
銆銆mc_forwarding - 甯冨皵綾誨瀷
銆銆鏄惁榪涜澶氭挱璺敱銆傚彧鏈夊唴鏍哥紪璇戞湁CONFIG_MROUTE騫朵笖鏈夎礬鐢辨湇鍔$▼搴忓湪榪愯璇ュ弬鏁版墠鏈夋晥銆?/p>
銆銆
銆銆proxy_arp - 甯冨皵綾誨瀷
銆銆鎵撳紑proxy arp鍔熻兘銆?/p>
銆銆
銆銆shared_media - 甯冨皵綾誨瀷
銆銆鍙戦?璺敱鍣?鎴栨帴鏀?涓繪満) RFC1620 鍏變韓濯掍綋閲嶅畾鍚戙傝鐩杋p_secure_redirects鐨勫箋傞粯璁や負True銆?/p>
銆銆
銆銆secure_redirects - 甯冨皵綾誨瀷
銆銆浠呬粎鎺ユ敹鍙戠粰榛樿緗戝叧鍒楄〃涓綉鍏崇殑ICMP閲嶅畾鍚戞秷鎭紝榛樿鍊兼槸TRUE銆?/p>
銆銆
銆銆send_redirects - 甯冨皵綾誨瀷
銆銆濡傛灉鏄痳outer錛屽彂閫侀噸瀹氬悜娑堟伅錛岄粯璁ゅ兼槸TRUE
銆銆
銆銆bootp_relay - 甯冨皵綾誨瀷
銆銆鎺ユ敹婧愬湴鍧涓?.b.c.d錛岀洰鐨勫湴鍧涓嶆槸鏈満鐨勬暟鎹姤銆傜敤鏉ユ敮鎸丅OOTP杞彂鏈嶅姟榪涚▼錛岃榪涚▼灝嗘崟鑾峰茍杞彂璇ュ寘銆傞粯璁や負False錛岀洰鍓嶈繕娌℃湁瀹炵幇銆?/p>
銆銆
銆銆accept_source_route - 甯冨皵綾誨瀷
銆銆鎺ユ敹甯︽湁SRR閫夐」鐨勬暟鎹姤銆傚浜庝富鏈烘潵璇撮粯璁や負False錛屽浜庣敤浣滆礬鐢卞櫒鏃墮粯璁ゅ間負True銆?/p>
銆銆
銆銆rp_filter 鍙傛暟綾誨瀷
銆銆1 - 閫氳繃鍙嶅悜璺緞鍥炴函榪涜婧愬湴鍧楠岃瘉(鍦≧FC1812涓畾涔?銆傚浜庡崟絀翠富鏈哄拰stub緗戠粶璺敱鍣ㄦ帹鑽愪嬌鐢ㄨ閫夐」銆?/p>
銆銆0 - 涓嶉氳繃鍙嶅悜璺緞鍥炴函榪涜婧愬湴鍧楠岃瘉銆?/p>
銆銆榛樿鍊間負0銆傛煇浜涘彂甯冨湪鍚姩鏃惰嚜鍔ㄥ皢鍏舵墦寮銆?br>
from:http://blog.chinaunix.net/u2/76292/showart_1327412.html
鐨勫師鍥狅紝鎴栬呭彈鍒版敾鍑繪椂鏀誨嚮鑰呯暀涓嬬殑鐥曡抗銆傛棩蹇椾富瑕佺殑鍔熻兘鏈夛細瀹¤鍜岀洃嫻嬨備粬榪樺彲浠ュ疄鏃剁殑鐩戞祴緋葷粺鐘舵侊紝
鐩戞祴鍜岃拷韙鏡鍏ヨ呯瓑絳夈?/p>
銆銆1. 鏃ュ織綆浠?/p>
銆銆鏃ュ織瀵逛簬瀹夊叏鏉ヨ錛岄潪甯擱噸瑕侊紝浠栬褰曚簡緋葷粺姣忓ぉ鍙戠敓鐨勫悇縐嶅悇鏍風殑浜嬫儏錛屼綘鍙互閫氳繃浠栨潵媯鏌ラ敊璇彂鐢?/p>
鐨勫師鍥狅紝鎴栬呭彈鍒版敾鍑繪椂鏀誨嚮鑰呯暀涓嬬殑鐥曡抗銆傛棩蹇椾富瑕佺殑鍔熻兘鏈夛細瀹¤鍜岀洃嫻嬨備粬榪樺彲浠ュ疄鏃剁殑鐩戞祴緋葷粺鐘舵侊紝
鐩戞祴鍜岃拷韙鏡鍏ヨ呯瓑絳夈?/p>
銆銆鍦↙inux緋葷粺涓紝鏈変笁涓富瑕佺殑鏃ュ織瀛愮郴緇燂細
銆銆榪炴帴鏃墮棿鏃ュ織--鐢卞涓▼搴忔墽琛岋紝鎶婄邯褰曞啓鍏ュ埌/var/log/wtmp鍜?var/run/utmp錛宭ogin絳夌▼搴忔洿
鏂皐tmp鍜寀tmp鏂囦歡錛屼嬌緋葷粺綆$悊鍛樿兘澶熻窡韙皝鍦ㄤ綍鏃剁櫥褰曞埌緋葷粺銆?/p>
銆銆榪涚▼緇熻--鐢辯郴緇熷唴鏍告墽琛屻傚綋涓涓繘紼嬬粓姝㈡椂錛屼負姣忎釜榪涚▼寰榪涚▼緇熻鏂囦歡錛坧acct鎴朼cct錛変腑鍐欎竴涓?/p>
綰綍銆傝繘紼嬬粺璁$殑鐩殑鏄負緋葷粺涓殑鍩烘湰鏈嶅姟鎻愪緵鍛戒護浣跨敤緇熻銆?/p>
銆銆閿欒鏃ュ織--鐢眘yslogd錛?錛夋墽琛屻傚悇縐嶇郴緇熷畧鎶よ繘紼嬨佺敤鎴風▼搴忓拰鍐呮牳閫氳繃syslog錛?錛夊悜鏂囦歡
/var/log/messages鎶ュ憡鍊煎緱娉ㄦ剰鐨勪簨浠躲傚彟澶栨湁璁稿UNIX紼嬪簭鍒涘緩鏃ュ織銆傚儚HTTP鍜孎TP榪欐牱鎻愪緵緗戠粶鏈?/p>
鍔$殑鏈嶅姟鍣ㄤ篃淇濇寔璇︾粏鐨勬棩蹇椼?/p>
銆銆甯哥敤鐨勬棩蹇楁枃浠跺涓嬶細
銆銆access-log 綰綍HTTP/web鐨勪紶杈?/p>
銆銆acct/pacct 綰綍鐢ㄦ埛鍛戒護
銆銆aculog 綰綍MODEM鐨勬椿鍔?/p>
銆銆btmp 綰綍澶辮觸鐨勭邯褰?/p>
銆銆lastlog 綰綍鏈榪戝嚑嬈℃垚鍔熺櫥褰曠殑浜嬩歡鍜屾渶鍚庝竴嬈′笉鎴愬姛鐨勭櫥褰?/p>
銆銆messages 浠巗yslog涓褰曚俊鎭紙鏈夌殑閾炬帴鍒皊yslog鏂囦歡錛?/p>
銆銆sudolog 綰綍浣跨敤sudo鍙戝嚭鐨勫懡浠?/p>
銆銆sulog 綰綍浣跨敤su鍛戒護鐨勪嬌鐢?/p>
銆銆syslog 浠巗yslog涓褰曚俊鎭紙閫氬父閾炬帴鍒癿essages鏂囦歡錛?/p>
銆銆utmp 綰綍褰撳墠鐧誨綍鐨勬瘡涓敤鎴?/p>
銆銆wtmp 涓涓敤鎴鋒瘡嬈$櫥褰曡繘鍏ュ拰閫鍑烘椂闂寸殑姘鎬箙綰綍
銆銆xferlog 綰綍FTP浼氳瘽
銆銆utmp銆亀tmp鍜宭astlog鏃ュ織鏂囦歡鏄鏁伴噸鐢║NIX鏃ュ織瀛愮郴緇熺殑鍏抽敭--淇濇寔鐢ㄦ埛鐧誨綍榪涘叆鍜岄鍑虹殑綰綍銆?/p>
鏈夊叧褰撳墠鐧誨綍鐢ㄦ埛鐨勪俊鎭褰曞湪鏂囦歡utmp涓紱鐧誨綍榪涘叆鍜岄鍑虹邯褰曞湪鏂囦歡wtmp涓紱鏈鍚庝竴嬈$櫥褰曟枃浠跺彲浠?/p>
鐢╨astlog鍛戒護瀵熺湅銆傛暟鎹氦鎹€佸叧鏈哄拰閲嶈搗涔熻褰曞湪wtmp鏂囦歡涓傛墍鏈夌殑綰綍閮藉寘鍚椂闂存埑銆傝繖浜涙枃浠?/p>
錛坙astlog閫氬父涓嶅ぇ錛夊湪鍏鋒湁澶ч噺鐢ㄦ埛鐨勭郴緇熶腑澧為暱鍗佸垎榪呴熴備緥濡倃tmp鏂囦歡鍙互鏃犻檺澧為暱錛岄櫎闈炲畾鏈熸埅鍙栥?/p>
璁稿緋葷粺浠ヤ竴澶╂垨鑰呬竴鍛ㄤ負鍗曚綅鎶妛tmp閰嶇疆鎴愬驚鐜嬌鐢ㄣ傚畠閫氬父鐢眂ron榪愯鐨勮剼鏈潵淇敼銆傝繖浜涜剼鏈噸鏂板懡
鍚嶅茍寰幆浣跨敤wtmp鏂囦歡銆傞氬父錛寃tmp鍦ㄧ涓澶╃粨鏉熷悗鍛藉悕涓簑tmp.1錛涚浜屽ぉ鍚巜tmp.1鍙樹負wtmp.2絳夌瓑錛岀洿
鍒皐tmp.7銆?/p>
銆銆姣忔鏈変竴涓敤鎴風櫥褰曟椂錛宭ogin紼嬪簭鍦ㄦ枃浠秎astlog涓療鐪嬬敤鎴風殑UID銆傚鏋滄壘鍒頒簡錛屽垯鎶婄敤鎴蜂笂嬈$櫥褰曘?/p>
閫鍑烘椂闂村拰涓繪満鍚嶅啓鍒版爣鍑嗚緭鍑轟腑錛岀劧鍚巐ogin紼嬪簭鍦╨astlog涓邯褰曟柊鐨勭櫥褰曟椂闂淬傚湪鏂扮殑lastlog綰綍鍐?/p>
鍏ュ悗錛寀tmp鏂囦歡鎵撳紑騫舵彃鍏ョ敤鎴風殑utmp綰綍銆傝綰綍涓鐩寸敤鍒扮敤鎴風櫥褰曢鍑烘椂鍒犻櫎銆倁tmp鏂囦歡琚悇縐嶅懡浠?/p>
鏂囦歡浣跨敤錛屽寘鎷瑆ho銆亀銆乽sers鍜宖inger銆?/p>
銆銆涓嬩竴姝ワ紝login紼嬪簭鎵撳紑鏂囦歡wtmp闄勫姞鐢ㄦ埛鐨剈tmp綰綍銆傚綋鐢ㄦ埛鐧誨綍閫鍑烘椂錛屽叿鏈夋洿鏂版椂闂存埑鐨勫悓
涓utmp綰綍闄勫姞鍒版枃浠朵腑銆倃tmp鏂囦歡琚▼搴弆ast鍜宎c浣跨敤銆?/p>
銆銆2. 鍏蜂綋鍛戒護
銆銆wtmp鍜寀tmp鏂囦歡閮芥槸浜岃繘鍒舵枃浠訛紝浠栦滑涓嶈兘琚濡倀ail鍛戒護鍓創鎴栧悎騫訛紙浣跨敤cat鍛戒護錛夈傜敤鎴?/p>
闇瑕佷嬌鐢╳ho銆亀銆乽sers銆乴ast鍜宎c鏉ヤ嬌鐢ㄨ繖涓や釜鏂囦歡鍖呭惈鐨勪俊鎭?/p>
銆銆who錛歸ho鍛戒護鏌ヨutmp鏂囦歡騫舵姤鍛婂綋鍓嶇櫥褰曠殑姣忎釜鐢ㄦ埛銆俉ho鐨勭己鐪佽緭鍑哄寘鎷敤鎴峰悕銆佺粓绔被鍨嬨佺櫥褰?/p>
鏃ユ湡鍙婅繙紼嬩富鏈恒備緥濡傦細who錛堝洖杞︼級鏄劇ず
chyang pts/0 Aug 18 15:06
ynguo pts/2 Aug 18 15:32
ynguo pts/3 Aug 18 13:55
lewis pts/4 Aug 18 13:35
ynguo pts/7 Aug 18 14:12
ylou pts/8 Aug 18 14:15
銆銆濡傛灉鎸囨槑浜唚tmp鏂囦歡閳?嫻? ?? ??銈?!鍚嶏紝鍒檞ho鍛戒護鏌ヨ鎵鏈変互鍓嶇殑綰綍銆傚懡浠ho /var/log/wtmp灝嗘姤鍛婅嚜浠巜tmp鏂囦歡
鍒涘緩鎴栧垹鏀逛互鏉ョ殑姣忎竴嬈$櫥褰曘?/p>
銆銆w錛歸鍛戒護鏌ヨutmp鏂囦歡騫舵樉紺哄綋鍓嶇郴緇熶腑姣忎釜鐢ㄦ埛鍜屽畠鎵榪愯鐨勮繘紼嬩俊鎭備緥濡傦細w錛堝洖杞︼級鏄?/p>
紺猴細3:36pm up 1 day, 22:34, 6 users, load average: 0.23, 0.29, 0.27
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
chyang pts/0 202.38.68.242 3:06pm 2:04 0.08s 0.04s -bash
ynguo pts/2 202.38.79.47 3:32pm 0.00s 0.14s 0.05s w
lewis pts/3 202.38.64.233 1:55pm 30:39 0.27s 0.22s -bash
lewis pts/4 202.38.64.233 1:35pm 6.00s 4.03s 0.01s sh /home/users/
ynguo pts/7 simba.nic.ustc.e 2:12pm 0.00s 0.47s 0.24s telnet mail
ylou pts/8 202.38.64.235 2:15pm 1:09m 0.10s 0.04s -bash
銆銆users錛歶sers鐢ㄥ崟鐙殑涓琛屾墦鍗板嚭褰撳墠鐧誨綍鐨勭敤鎴鳳紝姣忎釜鏄劇ず鐨勭敤鎴峰悕瀵瑰簲涓涓櫥褰曚細璇濄傚鏋滀竴涓?/p>
鐢ㄦ埛鏈変笉姝竴涓櫥褰曚細璇濓紝閭d粬鐨勭敤鎴峰悕灝嗘樉紺虹浉鍚岀殑嬈℃暟銆備緥濡傦細users錛堝洖杞︼級鏄?/p>
紺猴細chyang lewis lewis ylou ynguo ynguo
銆銆last錛歭ast鍛戒護寰鍥炴悳绱tmp鏉ユ樉紺鴻嚜浠庢枃浠剁涓嬈″垱寤轟互鏉ョ櫥褰曡繃鐨勭敤鎴楓備緥濡傦細
chyang pts/9 202.38.68.242 Tue Aug 1 08:34 - 11:23 (02:49)
cfan pts/6 202.38.64.224 Tue Aug 1 08:33 - 08:48 (00:14)
chyang pts/4 202.38.68.242 Tue Aug 1 08:32 - 12:13 (03:40)
lewis pts/3 202.38.64.233 Tue Aug 1 08:06 - 11:09 (03:03)
lewis pts/2 202.38.64.233 Tue Aug 1 07:56 - 11:09 (03:12)
銆銆濡傛灉鎸囨槑浜嗙敤鎴鳳紝閭d箞last鍙姤鍛婅鐢ㄦ埛鐨勮繎鏈熸椿鍔紝渚嬪錛歭ast ynguo錛堝洖杞︼級鏄劇ず錛?/p>
ynguo pts/4 simba.nic.ustc.e Fri Aug 4 16:50 - 08:20 (15:30)
ynguo pts/4 simba.nic.ustc.e Thu Aug 3 23:55 - 04:40 (04:44)
ynguo pts/11 simba.nic.ustc.e Thu Aug 3 20:45 - 22:02 (01:16)
ynguo pts/0 simba.nic.ustc.e Thu Aug 3 03:17 - 05:42 (02:25)
ynguo pts/0 simba.nic.ustc.e Wed Aug 2 01:04 - 03:16 1+02:12)
ynguo pts/0 simba.nic.ustc.e Wed Aug 2 00:43 - 00:54 (00:11)
ynguo pts/9 simba.nic.ustc.e Thu Aug 1 20:30 - 21:26 (00:55)
銆銆ac錛歛c鍛戒護鏍規嵁褰撳墠鐨?var/log/wtmp鏂囦歡涓殑鐧誨綍榪涘叆鍜岄鍑烘潵鎶ュ憡鐢ㄦ埛榪炵粨鐨勬椂闂達紙灝忔椂錛夛紝
濡傛灉涓嶄嬌鐢ㄦ爣蹇楋紝鍒欐姤鍛婃葷殑鏃墮棿銆備緥濡傦細ac錛堝洖杞︼級鏄劇ず錛歵otal 5177.47
銆銆ac -d錛堝洖杞︼級鏄劇ず姣忓ぉ鐨勬葷殑榪炵粨鏃墮棿
Aug 12 total 261.87
Aug 13 total 351.39
Aug 14 total 396.09
Aug 15 total 462.63
Aug 16 total 270.45
Aug 17 total 104.29
Today total 179.02
銆銆ac -p 錛堝洖杞︼級鏄劇ず姣忎釜鐢ㄦ埛鐨勬葷殑榪炴帴鏃墮棿
ynguo 193.23
yucao 3.35
rong 133.40
hdai 10.52
zjzhu 52.87
zqzhou 13.14
liangliu 24.34
total 5178.24
銆銆last閳?嫻? ?? ??銈?!log錛歭astlog鏂囦歡鍦ㄦ瘡嬈℃湁鐢ㄦ埛鐧誨綍鏃惰鏌ヨ銆傚彲浠ヤ嬌鐢╨astlog鍛戒護鏉ユ鏌ユ煇鐗瑰畾鐢ㄦ埛涓婃
鐧誨綍鐨勬椂闂達紝騫舵牸寮忓寲杈撳嚭涓婃鐧誨綍鏃ュ織/var/log/lastlog鐨勫唴瀹廣傚畠鏍規嵁UID鎺掑簭鏄劇ず鐧誨綍鍚嶃佺鍙?/p>
鍙鳳紙tty錛夊拰涓婃鐧誨綍鏃墮棿銆傚鏋滀竴涓敤鎴蜂粠鏈櫥褰曡繃錛宭astlog鏄劇ず"**Never logged**銆傛敞鎰忛渶瑕?/p>
浠oot榪愯璇ュ懡浠わ紝渚嬪錛?/p>
rong 5 202.38.64.187 Fri Aug 18 15:57:01 +0800 2000
dbb **Never logged in**
xinchen **Never logged in**
pb9511 **Never logged in**
xchen 0 202.38.64.190 Sun Aug 13 10:01:22 +0800 2000
銆銆鍙﹀錛屽彲涓鍔犱竴浜涘弬鏁幫紝渚嬪錛宭ast -u 102灝嗘姤鍛奤ID涓?02鐨勭敤鎴鳳紱last -t 7琛ㄧず闄愬埗涓婁竴鍛ㄧ殑鎶ュ憡銆?/p>
銆銆3. 榪涚▼緇熻
銆銆UNIX鍙互璺熻釜姣忎釜鐢ㄦ埛榪愯鐨勬瘡鏉″懡浠わ紝濡傛灉鎯崇煡閬撴槰鏅氬紕涔變簡鍝簺閲嶈鐨勬枃浠訛紝榪涚▼緇熻瀛愮郴緇熷彲
浠ュ憡璇変綘銆傚畠瀵硅繕璺熻釜涓涓鏡鍏ヨ呮湁甯姪銆備笌榪炴帴鏃墮棿鏃ュ織涓嶅悓錛岃繘紼嬬粺璁″瓙緋葷粺緙虹渷涓嶆縺媧伙紝瀹冨繀欏誨惎
鍔ㄣ傚湪Linux緋葷粺涓惎鍔ㄨ繘紼嬬粺璁′嬌鐢╝ccton鍛戒護錛屽繀欏葷敤root韜喚鏉ヨ繍琛屻侫ccton鍛戒護鐨勫艦
寮廰ccton file錛宖ile蹇呴』鍏堝瓨鍦ㄣ傚厛浣跨敤touch鍛戒護鏉ュ垱寤簆acct鏂囦歡錛歵ouch /var/log/pacct錛?/p>
鐒跺悗榪愯accton錛?accton /var/log/pacct銆備竴鏃ccton琚縺媧伙紝灝卞彲浠ヤ嬌鐢╨astcomm鍛戒護鐩戞祴緋葷粺
涓換浣曟椂鍊欐墽琛岀殑鍛戒護銆傝嫢瑕佸叧闂粺璁★紝鍙互浣跨敤涓嶅甫浠諱綍鍙傛暟鐨刟ccton鍛戒護銆?/p>
銆銆lastcomm鍛戒護鎶ュ憡浠ュ墠鎵ц鐨勬枃浠躲備笉甯﹀弬鏁版椂錛宭astcomm鍛戒護鏄劇ず褰撳墠緇熻鏂囦歡鐢熷懡鍛ㄦ湡鍐呯邯褰?/p>
鐨勬墍鏈夊懡浠ょ殑鏈夊叧淇℃伅銆傚寘鎷懡浠ゅ悕銆佺敤鎴楓乼ty銆佸懡浠よ姳璐圭殑CPU鏃墮棿鍜屼竴涓椂闂存埑銆傚鏋滅郴緇熸湁璁稿鐢?/p>
鎴鳳紝杈撳叆鍒欏彲鑳藉緢闀褲備笅闈㈢殑渚嬪瓙錛?/p>
crond F root ?? 0.00 secs Sun Aug 20 00:16
promisc_check.s S root ?? 0.04 secs Sun Aug 20 00:16
promisc_check root ?? 0.01 secs Sun Aug 20 00:16
grep root ?? 0.02 secs Sun Aug 20 00:16
tail root ?? 0.01 secs Sun Aug 20 00:16
sh root ?? 0.01 secs Sun Aug 20 00:15
ping S root ?? 0.01 secs Sun Aug 20 00:15
ping6.pl F root ?? 0.01 secs Sun Aug 20 00:15
sh root ?? 0.01 secs Sun Aug 20 00:15
ping S root ?? 0.02 secs Sun Aug 20 00:15
ping6.pl F root ?? 0.02 secs Sun Aug 20 00:15
sh root ?? 0.02 secs Sun Aug 20 00:15
ping S root ?? 0.00 secs Sun Aug 20 00:15
ping6.pl F root ?? 0.01 secs Sun Aug 20 00:15
sh root ?? 0.01 secs Sun Aug 20 00:15
ping S root ?? 0.01 secs Sun Aug 20 00:15
sh root ?? 0.02 secs Sun Aug 20 00:15
ping S root ?? 1.34 secs Sun Aug 20 00:15
locate root ttyp0 1.34 secs Sun Aug 20 00:15
accton S root ttyp0 0.00 secs Sun Aug 20 00:15
銆銆榪涚▼緇熻鐨勪竴涓棶棰樻槸pacct鏂囦歡鍙兘澧為暱鐨勫崄鍒嗚繀閫熴傝繖鏃墮渶瑕佷氦浜掑紡鐨勬垨緇忚繃cron鏈哄埗榪愯sa鍛?/p>
浠ゆ潵淇濇寔鏃ュ織鏁版嵁鍦ㄧ郴緇熸帶鍒跺唴銆俿a鍛戒護鎶ュ憡銆佹竻鐞嗗茍緇存姢榪涚▼緇熻鏂囦歡銆傚畠鑳芥妸/var/log/pacct涓殑淇?/p>
鎭帇緙╁埌鎽樿鏂囦歡/var/log/savacct鍜?var/log/usracct涓傝繖浜涙憳瑕佸寘鍚寜鍛戒護鍚嶅拰鐢ㄦ埛鍚嶅垎綾葷殑緋葷粺
緇熻鏁版嵁銆俿a緙虹渷鎯呭喌涓嬪厛璇誨畠浠紝鐒跺悗璇籶acct鏂囦歡錛屼嬌鎶ュ憡鑳藉寘閳?嫻? ?? ??銈?!鍚墍鏈夌殑鍙敤淇℃伅銆俿a鐨勮緭鍑烘湁涓嬮潰涓
浜涙爣璁伴」錛?/p>
銆銆avio--姣忔鎵ц鐨勫鉤鍧嘔/O鎿嶄綔嬈℃暟
銆銆cp--鐢ㄦ埛鍜岀郴緇熸椂闂存誨拰錛屼互鍒嗛挓璁?/p>
銆銆cpu--鍜宑p涓鏍?/p>
銆銆k--鍐呮牳浣跨敤鐨勫鉤鍧嘋PU鏃墮棿錛屼互1k涓哄崟浣?/p>
銆銆k*sec--CPU瀛樺偍瀹屾暣鎬э紝浠?k-core縐?/p>
銆銆re--瀹炴椂鏃墮棿錛屼互鍒嗛挓璁?/p>
銆銆s--緋葷粺鏃墮棿錛屼互鍒嗛挓璁?/p>
銆銆tio--I/O鎿嶄綔鐨勬繪暟
銆銆u--鐢ㄦ埛鏃墮棿錛屼互鍒嗛挓璁?/p>
銆銆渚嬪錛?/p>
842 173.26re 4.30cp 0avio 358k
2 10.98re 4.06cp 0avio 299k find
9 24.80re 0.05cp 0avio 291k ***other
105 30.44re 0.03cp 0avio 302k ping
104 30.55re 0.03cp 0avio 394k sh
162 0.11re 0.03cp 0avio 413k security.sh*
154 0.03re 0.02cp 0avio 273k ls
56 31.61re 0.02cp 0avio 823k ping6.pl*
2 3.23re 0.02cp 0avio 822k ping6.pl
35 0.02re 0.01cp 0avio 257k md5sum
97 0.02re 0.01cp 0avio 263k initlog
12 0.19re 0.01cp 0avio 399k promisc_check.s
15 0.09re 0.00cp 0avio 288k grep
11 0.08re 0.00cp 0avio 332k awk
銆銆鐢ㄦ埛榪樺彲浠ユ牴鎹敤鎴瘋屼笉鏄懡浠ゆ潵鎻愪緵涓涓憳瑕佹姤鍛娿備緥濡俿a -m鏄劇ず濡備笅錛?/p>
885 173.28re 4.31cp 0avk
root 879 173.23re 4.31cp 0avk
alias 3 0.05re 0.00cp 0avk
qmailp 3 0.01re 0.00cp 0avk
銆銆4. Syslog璁懼
銆銆Syslog宸茶璁稿鏃ュ織鍑芥暟閲囩撼錛屽畠鐢ㄥ湪璁稿淇濇姢鎺柦涓?-浠諱綍紼嬪簭閮藉彲浠ラ氳繃syslog 綰綍浜嬩歡銆?br>syslog鍙互綰綍緋葷粺浜嬩歡錛屽彲浠ュ啓鍒頒竴涓枃浠舵垨璁懼涓紝鎴栫粰鐢ㄦ埛鍙戦佷竴涓俊鎭傚畠鑳界邯褰曟湰鍦頒簨浠舵垨閫氳繃
緗戠粶綰綍鍙︿竴涓富鏈轟笂鐨勪簨浠躲?/p>
銆銆Syslog璁懼渚濇嵁涓や釜閲嶈鐨勬枃浠訛細/etc/syslogd錛堝畧鎶よ繘紼嬶級鍜?etc/syslog.conf閰嶇疆鏂囦歡錛屼範鎯笂錛?/p>
澶氭暟syslog淇℃伅琚啓鍒?var/adm鎴?var/log鐩綍涓嬬殑淇℃伅鏂囦歡涓紙messages.*錛夈備竴涓吀鍨嬬殑syslog綰綍鍖?/p>
鎷敓鎴愮▼搴忕殑鍚嶅瓧鍜屼竴涓枃鏈俊鎭傚畠榪樺寘鎷竴涓澶囧拰涓涓紭鍏堢駭鑼冨洿錛堜絾涓嶅湪鏃ヤ箣涓嚭鐜幫級銆?/p>
銆銆姣忎釜syslog娑堟伅琚祴浜堜笅闈㈢殑涓昏璁懼涔嬩竴錛?/p>
銆銆LOG_AUTH--璁よ瘉緋葷粺錛歭ogin銆乻u銆乬etty絳?/p>
銆銆LOG_AUTHPRIV--鍚孡OG_AUTH錛屼絾鍙櫥褰曞埌鎵閫夋嫨鐨勫崟涓敤鎴峰彲璇葷殑鏂囦歡涓?/p>
銆銆LOG_CRON--cron瀹堟姢榪涚▼
銆銆LOG_DAEMON--鍏朵粬緋葷粺瀹堟姢榪涚▼錛屽routed
銆銆LOG_FTP--鏂囦歡浼犺緭鍗忚錛歠tpd銆乼ftpd
銆銆LOG_KERN--鍐呮牳浜х敓鐨勬秷鎭?/p>
銆銆LOG_LPR--緋葷粺鎵撳嵃鏈虹紦鍐叉睜錛歭pr銆乴pd
銆銆LOG_MAIL--鐢靛瓙閭歡緋葷粺
銆銆LOG_NEWS--緗戠粶鏂伴椈緋葷粺
銆銆LOG_SYSLOG--鐢眘yslogd錛?錛変駭鐢熺殑鍐呴儴娑堟伅
銆銆LOG_USER--闅忔満鐢ㄦ埛榪涚▼浜х敓鐨勬秷鎭?/p>
銆銆LOG_UUCP--UUCP瀛愮郴緇?/p>
銆銆LOG_LOCAL0~LOG_LOCAL7--涓烘湰鍦頒嬌鐢ㄤ繚鐣?/p>
銆銆Syslog涓烘瘡涓簨浠惰祴浜堝嚑涓笉鍚岀殑浼樺厛綰э細
銆銆LOG_EMERG--绱фユ儏鍐?/p>
銆銆LOG_ALERT--搴旇琚珛鍗蟲敼姝g殑闂錛屽緋葷粺鏁版嵁搴撶牬鍧?/p>
銆銆LOG_CRIT--閲嶈鎯呭喌錛屽紜洏閿欒
銆銆LOG_ERR--閿欒
銆銆LOG_WARNING--璀﹀憡淇℃伅
銆銆LOG_NOTICE--涓嶆槸閿欒鎯呭喌錛屼絾鏄彲鑳介渶瑕佸鐞?/p>
銆銆LOG_INFO--鎯呮姤淇℃伅
銆銆LOG_DEBUG--鍖呭惈鎯呮姤鐨勪俊鎭紝閫氬父鏃ㄥ湪璋冭瘯涓涓▼搴忔椂浣跨敤
銆銆syslog.conf鏂囦歡鎸囨槑syslogd紼嬪簭綰綍鏃ュ織鐨勮涓猴紝璇ョ▼搴忓湪鍚姩鏃舵煡璇㈤厤緗枃浠躲傝鏂囦歡鐢變笉鍚岀▼
搴忔垨娑堟伅鍒嗙被鐨勫崟涓潯鐩粍鎴愶紝姣忎釜鍗犱竴琛屻傚姣忕被娑堟伅鎻愪緵涓涓夋嫨鍩熷拰涓涓姩浣滃煙銆傝繖浜涘煙鐢眛ab闅斿紑錛?/p>
閫夋嫨鍩熼垁?嫻? ?? ??銈?!鎸囨槑娑堟伅鐨勭被鍨嬪拰浼樺厛綰э紱鍔ㄤ綔鍩熸寚鏄巗yslogd鎺ユ敹鍒頒竴涓笌閫夋嫨鏍囧噯鐩稿尮閰嶇殑娑堟伅鏃舵墍鎵ц鐨勫姩浣溿?/p>
姣忎釜閫夐」鏄敱璁懼鍜屼紭鍏堢駭緇勬垚銆傚綋鎸囨槑涓涓紭鍏堢駭鏃訛紝syslogd灝嗙邯褰曚竴涓嫢鏈夌浉鍚屾垨鏇撮珮浼樺厛綰х殑娑堟伅銆?/p>
鎵浠ュ鏋滄寚鏄?crit"錛岄偅鎵鏈夋爣涓篶rit銆乤lert鍜宔merg鐨勬秷鎭皢琚邯褰曘傛瘡琛岀殑琛屽姩鍩熸寚鏄庡綋閫夋嫨鍩熼夋嫨浜嗕竴涓?/p>
緇欏畾娑堟伅鍚庡簲璇ユ妸浠栧彂閫佸埌鍝効銆備緥濡傦紝濡傛灉鎯蟲妸鎵鏈夐偖浠舵秷鎭邯褰曞埌涓涓枃浠朵腑錛屽涓嬶細
#Log all the mail messages in one place
mail.* /var/log/maillog
銆銆鍏朵粬璁懼涔熸湁鑷繁鐨勬棩蹇椼俇UCP鍜宯ews璁懼鑳戒駭鐢熻澶氬閮ㄦ秷鎭傚畠鎶婅繖浜涙秷鎭瓨鍒拌嚜宸辯殑鏃ュ織
錛?var/log/spooler錛変腑騫舵妸綰у埆闄愪負"err"鎴栨洿楂樸備緥濡傦細
# Save mail and news errors of level err and higher in aspecial file.
uucp,news.crit /var/log/spooler
銆銆褰撲竴涓揣鎬ユ秷鎭埌鏉ユ椂錛屽彲鑳芥兂璁╂墍鏈夌殑鐢ㄦ埛閮藉緱鍒般備篃鍙兘鎯寵鑷繁鐨勬棩蹇楁帴鏀跺茍淇濆瓨銆?/p>
#Everybody gets emergency messages錛?plus log them on anther machine
*.emerg *
*.emerg @linuxaid.com.cn
銆銆alert娑堟伅搴旇鍐欏埌root鍜宼iger鐨勪釜浜鴻處鍙蜂腑錛?/p>
#Root and Tiger get alert and higher messages
*.alert root,tiger
銆銆鏈夋椂syslogd灝嗕駭鐢熷ぇ閲忕殑娑堟伅銆備緥濡傚唴鏍革紙"kern"璁懼錛夊彲鑳藉緢鍐楅暱銆傜敤鎴峰彲鑳芥兂鎶婂唴鏍告秷鎭邯褰?/p>
鍒?dev/console涓備笅闈㈢殑渚嬪瓙琛ㄦ槑鍐呮牳鏃ュ織綰綍琚敞閲婃帀浜嗭細
#Log all kernel messages to the console
#Logging much else clutters up the screen
#kern.* /dev/console
銆銆鐢ㄦ埛鍙互鍦ㄤ竴琛屼腑鎸囨槑鎵鏈夌殑璁懼銆備笅闈㈢殑渚嬪瓙鎶奿nfo鎴栨洿楂樼駭鍒殑娑堟伅閫佸埌/var/log/messages錛?/p>
闄や簡mail浠ュ銆傜駭鍒?none"紱佹涓涓澶囷細
#Log anything錛坋xcept mail錛塷f level info or higher
#Dont log private authentication messages!
*.info:mail.none;authpriv.none /var/log/messages
銆銆鍦ㄦ湁浜涙儏鍐典笅錛屽彲浠ユ妸鏃ュ織閫佸埌鎵撳嵃鏈猴紝榪欐牱緗戠粶鍏ヤ鏡鑰呮庝箞淇敼鏃ュ織閮芥病鏈夌敤浜嗐傞氬父瑕佸箍娉涚邯褰?/p>
鏃ュ織銆係yslog璁懼鏄竴涓敾鍑昏呯殑鏄捐憲鐩爣銆備竴涓負鍏朵粬涓繪満緇存姢鏃ュ織鐨勭郴緇熷浜庨槻鑼冩湇鍔″櫒鏀誨嚮鐗瑰埆鑴?/p>
寮憋紝鍥犳瑕佺壒鍒敞鎰忋?/p>
銆銆鏈変釜灝忓懡浠ogger涓簊yslog錛?錛夌郴緇熸棩蹇楁枃浠舵彁渚涗竴涓猻hell鍛戒護鎺ュ彛錛屼嬌鐢ㄦ埛鑳藉垱寤烘棩蹇楁枃浠朵腑鐨勬潯
鐩傜敤娉曪細logger 渚嬪錛歭ogger This is a test錛?/p>
銆銆瀹冨皢浜х敓涓涓涓嬬殑syslog綰綍錛欰ug 19 22:22:34 tiger: This is a test!
銆銆娉ㄦ剰涓嶈瀹屽叏鐩鎬俊鏃ュ織錛屽洜涓烘敾鍑昏呭緢瀹規槗淇敼瀹冪殑銆?/p>
銆銆5. 紼嬪簭鏃ュ織
銆銆璁稿紼嬪簭閫氳繃緇存姢鏃ュ織鏉ュ弽鏄犵郴緇熺殑瀹夊叏鐘舵併俿u鍛戒護鍏佽鐢ㄦ埛鑾峰緱鍙︿竴涓敤鎴風殑鏉冮檺錛屾墍浠ュ畠鐨勫畨鍏?/p>
寰堥噸瑕侊紝瀹冪殑鏂囦歡涓簊ulog銆傚悓鏍風殑榪樻湁sudolog銆傚彟澶栵紝鎯矨pache鏈変袱涓棩蹇楋細access_log鍜宔rror_log銆?br>
杞嚜 http://blog.chinaunix.net/u2/76292/showart_1335926.html