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$grep oinstall /etc/group
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$grep nobody /etc/group
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$sudo addgroup oinstall
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$sudo useradd -m -g oinstall -G
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$sudo usermod -g nobody nobody
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kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
fs.file-max = 65536
net.ipv4.ip_local_port_range =
1024 65000
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$sudo sysctl -p
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/etc/security/limits.conf
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* soft nproc 2407
* hard nproc 16384
* soft nofile 1024
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select sess.sid,
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lo.oracle_username,
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3. datafile resize
4. datafile rename
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2 datafile '+datagroup' size 20m;
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2: sql.txt
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sqlplus username/password @sql.txt
pause
sql.txtÄÚÈÝÈçÏ£º
spool sql.log
create table t1(cname char(20));
insert into t1(cname) values('test');
select * from t1;
spool off
exit
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