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Òª²é¿´¿ÉÓà RAM ºÍ»¥»»¿Õ¼ä´óС£¬ÔË×÷ÒÔ´ÎÏÂÁ
grep MemTotal /proc/meminfo
grep SwapTotal /proc/meminfo
±ÈÈ磺
# grep MemTotal /proc/meminfo
MemTotal:512236 kB
# grep SwapTotal /proc/meminfo
SwapTotal:1574360 kB
½ÓÏÂÀ´£¬´´ÔìÓÃÀ´×°ÅäºÍά»¤ Oracle Ê®g Èí¼þµÄ Linux ×éºÍÓû§ÕÊ»§¡£Óû§ÕÊ»§½«³Æ×÷ oracle£¬¶ø×齫³Æ×÷ oinstall ºÍ dba¡£ÒÔ root Óû§Éí·ÝʵʩÒÔ´ÎÏÂÁ/usr/sbin/groupadd oinstall
/usr/sbin/groupadd dba
/usr/sbin/useradd -m -g oinstall -G dba oracle
id oracle
±ÈÈ磺
# /usr/sbin/groupadd oinstall
# /usr/sbin/groupadd dba
# /usr/sbin/useradd -m -g oinstall -G dba oracle
# id oracle
uid=501(oracle) gid=501(oinstall) groups=501(oinstall),502(dba)
ÉèÁ¢ oracle ÕÊ»§µÄ¿ÚÁpasswd oracle
±ÈÈ磺
# passwd oracle
Changing password for user oracle.
New password:
Retype new password:
passwd:all authentication tokens updated successfully.
ÒÔ root Óû§Éí·ÝʵʩÒÔ´ÎÏÂÁmkdir -p /u01/app/oracle
mkdir -p /u02/oradata
chown -R oracle:oinstall /u01/app/oracle /u02/oradata
chmod -R 775 /u01/app/oracle /u02/oradata
±ÈÈ磺
# mkdir -p /u01/app/oracle
# mkdir -p /u02/oradata
# chown -R oracle:oinstall /u01/app/oracle /u02/oradata
# chmod -R 775 /u01/app/oracle /u02/oradata
Linux ÄÚºËÊ®·Ö׿Խ¡£Óë¶àÊýÆäÓà *NIX ϵͳ²»Í¬£¬Linux ÈÝÐíÔÚϵͳÆô¶¯ºÍÔËÐÐʱÅú¸Ä¾ø´ó¶àÊýÄں˲ÎÊý¡£Íê³ÉÄں˲ÎÊý¸Ä¶¯ºóÎÞÓ¹ÖØÐÂÆô¶¯ÏµÍ³¡£Oracle Êý¾Ý¿â Ê®g ¼±ÐèÒÔ´ÎËùʾµÄÄں˲ÎÊýÉèÖá£ÄÚÖи¶³öµÄÊÇ×îСֵ£¬Òò¶øÈçÈôÄãµÄϵͳÔËÓõÄÖµ½Ï´ó£¬Ôò²»ÓøĶ¯Ëü¡£kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 65536
net.ipvËÄ.ip_local_port_range = 1024 65000
ÈçÈôÄúÒÀÕÕÖ®ÉÏ˵Ã÷×°ÅäÁË Linux£¬ÇÒÄں˲ÎÊýËùÓвÉȡĬÈÏÖµ£¬ÔòÖ»ÐèÔÚÒÔ root Óû§Éí·ÝµÇ¼ºóʵʩÏÂÏÂÁî¡£cat >> /etc/sysctl.conf <kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 65536
net.ipvËÄ.ip_local_port_range = 1024 65000
EOF
/sbin/sysctl -p
±ÈÈ磺
# cat >> /etc/sysc


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oracle ¸ü¸Ä²ÎÊý nls_length_semantics


alter system set nls_length_semantics='BYTE' scope=both
sql>show parameter length
NAME                                 TYPE
------------------------------------ --------------------- ......

ORACLE parent latchºÍchildren latch

         About parent vs child latches. There is no fundamental low level difference between parent and child latches, they are all small regions of memory modified with atomic test-and-set style opcodes.
You see parent (and solitary) latches from x$ksll ......

Oracle³õѧ±Ê¼Ç(1)

 
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DeveloperÎÞ·¨µÇ½£¬²¢ÌáʾORA-12541:TNS:no listener»òORA-12547:TNS:¶ªÊ§ÁªÏµµÈ´íÎóÐÅÏ¢µÄ½â¾ö·½·¨¡£
´ð£º´ÓOracleµÄ´íÎóÌáʾÀ´¿´,ÊÇ˵TNS:no listener
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oracle ÄÚ´æÊý¾Ý¿â TimesTenÊÔÓñʼǣ¨aix5.3£©

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Oracle(listener.sqlnet.tnsnames)ÉèÖÃ


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