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linux µÄºÃ°ïÊÖ yum

Ò». yumÊÇʲô
yum = Yellow dog Updater, Modified
Ö÷Òª¹¦ÄÜÊǸü·½±ãµÄÌí¼Ó/ɾ³ý/¸üÐÂRPM°ü.
ËüÄÜ×Ô¶¯½â¾ö°üµÄÒÐÀµÐÔÎÊÌâ.
ËüÄܱãÓÚ¹ÜÀí´óÁ¿ÏµÍ³µÄ¸üÐÂÎÊÌâ
¶þ. yumÌصã
*¿ÉÒÔͬʱÅäÖöà¸ö×ÊÔ´¿â(Repository)
*¼ò½àµÄÅäÖÃÎļþ(/etc/yum.conf
*×Ô¶¯½â¾öÔö¼Ó»òɾ³ýrpm°üʱÓöµ½µÄÒÐÀµÐÔÎÊÌâ
*ʹÓ÷½±ã
*±£³ÖÓëRPMÊý¾Ý¿âµÄÒ»ÖÂÐÔ
Èý. yum°²×°
Fedora×Ô´ø(yum-2.0.4-2.noarch.rpm)
#rpm -ivh yum-2.0.4-2.noarch.rpm
ËÄ. yumÖ¸Áî
×¢:µ±µÚÒ»´ÎʹÓÃyum»òyum×ÊÔ´¿âÓиüÐÂʱ,yum»á×Ô¶¯ÏÂÔØËùÓÐËùÐèµÄheaders·ÅÖÃÓÚ/var/cache/yumĿ¼ÏÂ,ËùÐèʱ¼ä¿ÉÄܽϳ¤.
*rpm°üµÄ¸üÐÂ
//¼ì²é¿É¸üеÄrpm°ü
#yum check-update
//¸üÐÂËùÓеÄrpm°ü
#yum update
//¸üÐÂÖ¸¶¨µÄrpm°ü,Èç¸üÐÂkernelºÍkernel source
#yum update kernel kernel-source
//´ó¹æÄ£µÄ°æ±¾Éý¼¶,Óëyum update²»Í¬µÄÊÇ,Á¬¾ÉµÄÌÔÌ­µÄ°üÒ²Éý¼¶
#yum upgrade
*rpm°üµÄ°²×°ºÍɾ³ý
//°²×°rpm°ü,Èçxmms-mp3
#yum install xmms-mp3
//ɾ³ýrpm°ü,°üÀ¨Óë¸Ã°üÓÐÒÐÀµÐԵİü
#yum remove licq
×¢:ͬʱ»áÌáʾɾ³ýlicq-gnome,licq-qt,licq-text
*yumÔÝ´æ(/var/cache/yum/)µÄÏà¹Ø²ÎÊý
//Çå³ýÔÝ´æÖÐrpm°üÎļþ
#yum clean packages
//Çå³ýÔÝ´æÖÐrpmÍ·Îļþ
#yum clearn headers
//Çå³ýÔÝ´æÖоɵÄrpmÍ·Îļþ
#yum clean oldheaders
//Çå³ýÔÝ´æÖоɵÄrpmÍ·ÎļþºÍ°üÎļþ
#yum clearn »ò#yum clearn all
×¢:Ï൱ÓÚyum clean packages + yum clean oldheaders
*rpm°üÁбí
//Áгö×ÊÔ´¿âÖÐËùÓпÉÒÔ°²×°»ò¸üеÄrpm°ü
#yum list
//Áгö×ÊÔ´¿âÖÐÌض¨µÄ¿ÉÒÔ°²×°»ò¸üÐÂÒÔ¼°ÒѾ­°²×°µÄrpm°ü
#yum list mozilla
#yum list mozilla*
×¢:¿ÉÒÔÔÚrpm°üÃûÖÐʹÓÃÆ¥Åä·û,ÈçÁгöËùÓÐÒÔmozilla¿ªÍ·µÄrpm°ü
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#yum list updates
//ÁгöÒѾ­°²×°µÄËùÓеÄrpm°ü
#yum list installed
//ÁгöÒѾ­°²×°µÄµ«ÊDz»°üº¬ÔÚ×ÊÔ´¿âÖеÄrpm°ü
#yum list extras
×¢:ͨ¹ýÆäËüÍøÕ¾ÏÂÔØ°²×°µÄrpm°ü
*rpm°üÐÅÏ¢ÏÔʾ(info²ÎÊýͬlist)
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#yum info
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#yum info mozilla
#yum info mozilla*
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LINUX³£ÓÃÃüÁî(ת)

1.# ±íʾȨÏÞÓû§(Èç:root),$ ±íʾÆÕͨÓû§
¿ª»úÌáʾ
ogin:ÊäÈëÓû§Ãû
password:ÊäÈë¿ÚÁî Óû§ÊÇϵͳע²áÓû§³É¹¦µÇ½ºó£¬¿ÉÒÔ½øÈëÏàÓ¦µÄÓû§»·¾³.
Í˳öµ±Ç°shell,ÊäÈë:exit
2.useradd netseek Ìí¼ÓÒ»¸önetseekÓû§
passwd netseek ¸ønetseekÕâ¸öÓû§ÉèÖÃÃÜÂë.
(/etc/passwd /etc/group)
userdel netseek É ......

LinuxÏ»ùÓڶ˿ڵķþÎñ¼ì²é½Å±¾

#!/bin/bash
#program:Usingtostudythe[if...then...fi]program
#dsk2007/10/83:00
#content:Iwillusingthisprogramtoshowyousevices
#1.printtheprogram''sworkinyourscreen
echo "Now,the service of your Linux system will be detect!"
echo "The www,ftp,ssh,and sendmail pop3 will be detect!"
echo ""
#2.w ......

LinuxÈí¼þ°²×°¼°Ð¶ÔØ

²éѯÈí¼þÍêÕûÃû³Æ
¸ñʽ£ºrpm -qa ²¿·ÖÎļþÃû
ÀýÈ磺shell>rpm -qa firefox
firefox-3.0.5-l.e15.centos
»áÁгö»ðºüä¯ÀÀÆ÷µÄÈ«³Æ¡£Ò»°ã°²×°°ü¶¼»á°üº¬°æ±¾ºÅ¡£
²éѯÈí¼þ°²×°Ä¿Â¼
¸ñʽ£ºrpm -ql ÍêÕûÈí¼þÃû
ÀýÈ磺rpm -ql firefox-3.0.5-l.e15.centos
°²×°rpm°ü
¸ñʽ£ºrpm -ivh Èí¼þ°ü
ÀýÈ磺rpm -ivh firefox-3 ......

Linux¿ªÆôTelnet(RHEL5)

Linux¿ªÆôTelnet£¨¸½RHEL5)
 
1¡£Èç¹û°²×°ÁËtelnet¡¢telnet-serverµÄrpm°ü£¬¾ÍÌøµ½2¡££¬·ñÔò°²×°Õâ¸ö°ü¡£
2¡£ÐÞ¸Ätelnet·þÎñÅäÖÃÎļþ
vi /etc/xinetd.d/telnet
service telnet
{
disable = yes
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/sbin/in.telnetd
log_on_failur ......
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