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yum = Yellow dog Updater, Modified
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Fedora×Ô´ø(yum-2.0.4-2.noarch.rpm)
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ËÄ. yumÖ¸Áî
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//¸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
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//°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
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#yum list
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#yum list mozilla
#yum list mozilla*
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#yum list installed
//ÁгöÒѾ­°²×°µÄµ«ÊDz»°üº¬ÔÚ×ÊÔ´¿âÖеÄrpm°ü
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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§
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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 ......

Linux ³£ÓÃÃüÁ


1. ×î³£ÓõÄÃüÁîÁбí
ÏÂÃæÁгöÊ®¸öÔÚʹÓÃlinux¹ý³ÌÖÐʹÓÃÆµÂÊ×î¸ßµÄÃüÁî¡£ÕâÀïÖ»×÷¼òµ¥½éÉÜ£¬¾ßÌåÓ÷¨Çë²Î¿¼ºóÃæÄÚÈÝ¡£
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vi£¬µ÷ÓÃviÎı¾±à¼­Æ÷ ......

linuxÎļþ /etc/services Ïà¹Ø

/etc/services
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Linux¿ªÆôTelnet(RHEL5)

Linux¿ªÆôTelnet£¨¸½RHEL5)
 
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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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