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yum = Yellow dog Updater, Modified
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*¿ÉÒÔͬʱÅäÖöà¸ö×ÊÔ´¿â(Repository)
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*×Ô¶¯½â¾öÔö¼Ó»òɾ³ýrpm°üʱÓöµ½µÄÒÐÀµÐÔÎÊÌâ
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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´¿âÖÐÌØ¶¨µÄ¿ÉÒÔ°²×°»ò¸üÐÂÒÔ¼°ÒѾ­°²×°µÄrpm°ü
#yum list mozilla
#yum list mozilla*
×¢:¿ÉÒÔÔÚrpm°üÃûÖÐʹÓÃÆ¥Åä·û,ÈçÁгöËùÓÐÒÔmozilla¿ªÍ·µÄrpm°ü
//Áгö×ÊÔ´¿âÖÐËùÓпÉÒÔ¸üеÄrpm°ü
#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 mozilla
#yum info mozilla*
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LinuxϵͳÐÅÏ¢²é¿´ÃüÁî´óÈ«

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# uname -a # ²é¿´ÄÚºË/²Ù×÷ϵͳ/CPUÐÅÏ¢
# head -n 1 /etc/issue # ²é¿´²Ù×÷ϵͳ°æ±¾
# cat /proc/cpuinfo # ²é¿´CPUÐÅÏ¢
# hostname # ²é¿´¼ÆËã»úÃû
# lspci -tv # ÁгöËùÓÐPCIÉ豸
# lsusb -tv # ÁгöËùÓÐUSBÉ豸
# lsmod # Áгö¼ÓÔØµÄÄÚºËÄ£¿é
# env # ²é¿´»·¾³±äÁ¿
×ÊÔ´
# free -m # ²é¿´ÄÚ´æÊ¹ÓÃÁ¿ºÍ ......

ÔÚlinuxÉϲ¿Êð´øJMS receiverµÄBWSE³ÌÐòʱ±¨´í

java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.ref ......

֨װwindowsºó»Ö¸´linuxÒýµ¼

ǰ¼¸Ìì֨װÁËwindowsϵͳ£¬µ¼ÖÂÒÔǰ°²×°µÄLinux½ø²»È¥ÁË£¬ÎÞ·¨½øÈëLinux£¬Óò»ÏëÖØÐ°²×°Linux£¬ÄÇÑùÌ«·ÑÊÂÁË£¬ÔÚÍøÉÏËÑË÷ÁËһϣ¬ÕÒµ½»Ö¸´LinuxÒýµ¼µÄ·½·¨£¬¾­ÊµÑ飬֨ÐÂÒýµ¼½øÈëÔ­À´µÄLinuxϵͳ£¬Ôڴ˼òµ¥¼Ç¼һÏ£º
  Ê×ÏÈ£¬ÏÂÔØÒ»¸öGrub4dos£¬½âѹµ½CÅ̸ùĿ¼Ï£¬°ÑÀïÃæµÄgrldr¸´ÖƵ½¸ùĿ¼Ï£¬ÐÞ¸Äboot.iniÎļþ£ ......

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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Óû§ÅäÖÃÎļþÔÚ$HOME/.vimrc
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