cat
tail -f
æ¥ å¿ æ 件 说 æ
/var/log/message ç³»ç»å¯å¨åçä¿¡æ¯åé误æ¥å¿ï¼æ¯Red Hat Linuxä¸æ常ç¨çæ¥å¿ä¹ä¸
/var/log/secure ä¸å®å
¨ç¸å
³çæ¥å¿ä¿¡æ¯
/var/log/maillog ä¸é®ä»¶ç¸å
³çæ¥å¿ä¿¡æ¯
/var/log/cron ä¸å®æ¶ä»»å¡ç¸å
³çæ¥å¿ä¿¡æ¯
/var/log/spooler ä¸UUCPånews设å¤ç¸å
³çæ¥å¿ä¿¡æ¯
/var/log/boot.log å®æ¤è¿ç¨å¯å¨ååæ¢ç¸å
³çæ¥å¿æ¶æ¯
ç³»ç»ï¼
echo $PATH # æ¾ç¤ºç³»ç»åéçä¿¡æ¯
# uname -a # æ¥çå
æ ¸/æä½ç³»ç»/CPUä¿¡æ¯
# cat /etc/issue
# cat /etc/redhat-release # æ¥çæä½ç³»ç»çæ¬
# cat /proc/cpuinfo # æ¥çCPUä¿¡æ¯
# hostname # æ¥ç计ç®æºå
# lspci -tv # ååºææPCI设å¤
# lsusb -tv # ååºææUSB设å¤
# lsmod # ååºå è½½çå
æ ¸æ¨¡å
# env # æ¥çç¯å¢åé
èµæºï¼
# free -m # æ¥çå
å使ç¨éå交æ¢åºä½¿ç¨é
# df -h # æ¥çåååºä½¿ç¨æ
åµ
# du -sh <ç®å½å> # æ¥çæå®ç®å½ç大å°
# grep MemTotal /proc/meminfo # æ¥çå
åæ»é
# grep MemFree /proc/meminfo # æ¥ç空é²å
åé
# uptime # æ¥çç³»ç»è¿è¡æ¶é´ãç¨æ·æ°ãè´è½½
# cat /proc/loadavg # æ¥çç³»ç»è´è½½
ç£çåååºï¼
# mount | column -t # æ¥çææ¥çååºç¶æ
# fdisk -l # æ¥çææååº
# swapon -s # æ¥çææ交æ¢ååº
# hdparm -i /dev/hda # æ¥çç£çåæ°(ä»
éç¨äºIDE设å¤)
# dmesg | grep IDE # æ¥çå¯å¨æ¶IDE设å¤æ£æµç¶åµ
ç½ç»ï¼
# ifconfig # æ¥çææç½ç»æ¥å£çå±æ§
# iptables -L # æ¥çé²ç«å¢è®¾ç½®
# route -n # æ¥çè·¯ç±è¡¨
# netstat -lntp # æ¥çææçå¬ç«¯å£
# netstat -antp # æ¥çææå·²ç»å»ºç«çè¿æ¥
# netstat -s # æ¥çç½ç»ç»è®¡ä¿¡æ¯
è¿ç¨ï¼
# ps -ef # æ¥çææè¿ç¨
# top # å®æ¶æ¾ç¤ºè¿ç¨ç¶æï¼å¦ä¸ç¯æç« éé¢æ详ç»çä»ç»ï¼
ç¨æ·ï¼
# w # æ¥çæ´»å¨ç¨æ·
# id <ç¨æ·å> # æ¥çæå®ç¨æ·ä¿¡æ¯
# last # æ¥çç¨æ·ç»å½æ¥å¿
# cut -d: -f1 /etc/passwd # æ¥çç³»ç»ææç¨æ·
# cut -d: -f1 /etc/group # æ¥çç³»ç»ææç»
# crontab -l # æ¥çå½åç¨æ·ç计åä»»å¡
æå¡ï¼
# chkconfig âlist # ååºææç³»ç»æå¡
# chkconfig âlist | grep on # ååºææå¯å¨çç³»ç»æå¡
ç¨åºï¼
# rpm -qa # æ¥çææå®è£
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