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linuxÓû§(user)ºÍÓû§×é(group)

add user£º
[root@localhost ~]# useradd test
[root@localhost ~]# passwd test
add user to a group:
e.g. add nexus to admin
useradd -g admin nexus
default role£º
[root@localhost ~]# useradd -D
GROUP=100
HOME=/home
INACTIVE=-1
EXPIRE=
SHELL=/bin/bash
SKEL=/etc/skel
CREATE_MAIL_SPOOL=no
de ......

linuxÉÏ°²×°python·þÎñÆ÷Ïà¹Ø¹¤¾ß


1¡¢Éý¼¶ÏµÍ³
yum check-update
yum update
2¡¢°²×°Ò»Ð©³£ÓõŤ¾ß
yum install ntp iptraf sysstat screen subversion wget bzip2 nfs-utils vim-common
3¡¢ÉèÖÃÿÌì×Ô¶¯ºË׼ʱ¼ä
# crontab -e
0 * * * * /usr/sbin/ntpdate 210.72.145.44
:wq
4¡¢°²×°Ò»Ð©¿ª·¢°ü
# yum install make gcc gcc-c++ libjpeg-devel ......

linuxÏÂdnw(6410)

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LINUXϵÄDNW³ÌÐòÏÂÔØ
http://linux.chinaunix.net/bbs/viewthread.php?tid=1055992
secbulkÉ豸佨Á¢£¬ÊÖ¶¯½¨Á¢/dev/secbulk0²¢²»Æð×÷Óã¬Ô­ÒòÊÇsecbulk probe»áÆ¥Åäid_table£¬Õâ¸öÊÇΪQQ2440×¼±¸µÄ£¬ËùÒÔÐèÒª¸Äid_table
static s ......

Veritas Linux Cluster

Get Redhat Enterprise 3.0 from:
Your local RedHat rep�
Get Veritas’ VCS and VM products from:
ftp://ftp.veritas.com/pub/products/fst_ha.lxrt2.2.redhatlinux.tar.gz
ftp://ftp.veritas.com/pub/products/fst_ha.lxrt2.2MP1.redhatlinux.tar.gz
You will need a temporary key to complete this ......

LinuxÏ°Ñkernel¿Õ¼äÓ³Éäµ½Óû§½ø³Ì¿Õ¼ä(mmapʵÏÖ)

 ÔÚmmapº¯ÊýÀʹÓÃremap_pfn_range
º¯Êý¡£´úÂëÈçÏ¡£×¢ÒâÒªÉèÖÃÒ»ÏÂvma->vm_pgoffΪÄãÒªmapµÄio¿Õ¼äµÄÎïÀíµØÖ·¶ÔÓ¦µÄÒ³¡£
arm  IO/ ÄÚ´æͳһ±àÖ·  ËùÒÔ
#define io_remap_pfn_range(vma,from,pfn,size,prot) \
             &nb ......
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