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使用作業系統命令來trace監聽，trace監聽

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使用作業系統命令來trace監聽，trace監聽

strace tnsping prod

strace tnsping prod 2>&1 | less

strace -eopen tnsping prod 2>&1 | grep '= -1'

strace tnsping prod 2>&1  >/dev/null | grep -E '^stat|^open'

strace -e trace=access,open,stat tnsping no-such-sid  2>&1 >/dev/null | grep '\.ora' | cut -f2 -d\" | sort |uniq -c

strace -e trace=access,open,stat tnsping no-such-sid  prod 2>&1 >/dev/null | grep '\.ora' | cut -f2 -d\" | sort |uniq -c


[oracle@rh64 ~]$ strace -eopen tnsping prod 2>&1 | grep '= -1'

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/tls/x86_64/libclntsh.so.11.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/tls/libclntsh.so.11.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/x86_64/libclntsh.so.11.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/tls/x86_64/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/tls/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/x86_64/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libm.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libm.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libpthread.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libpthread.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libnsl.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libnsl.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libaio.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libaio.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libaio.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libociei.so", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libociicus.so", O_RDONLY) = -1 ENOENT (No such file or directory)



[oracle@rh64 ~]$ strace tnsping prod 2>&1  >/dev/null | grep -E '^stat|^open'

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/tls/x86_64/libclntsh.so.11.1", O_RDONLY) = -1 ENOENT (No such file or directory)

stat("/u01/app/oracle/product/11.2.0/dbhome_1/lib/tls/x86_64", 0x7ffff9beb660) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/tls/libclntsh.so.11.1", O_RDONLY) = -1 ENOENT (No such file or directory)

stat("/u01/app/oracle/product/11.2.0/dbhome_1/lib/tls", 0x7ffff9beb660) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/x86_64/libclntsh.so.11.1", O_RDONLY) = -1 ENOENT (No such file or directory)

stat("/u01/app/oracle/product/11.2.0/dbhome_1/lib/x86_64", 0x7ffff9beb660) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libclntsh.so.11.1", O_RDONLY) = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libnnz11.so", O_RDONLY) = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/tls/x86_64/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

stat("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/tls/x86_64", 0x7ffff9beb600) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/tls/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

stat("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/tls", 0x7ffff9beb600) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/x86_64/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

stat("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/x86_64", 0x7ffff9beb600) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib32/libdl.so.2", O_RDONLY) = -1 ENOENT (No such file or directory)

stat("/u01/app/oracle/product/11.2.0/dbhome_1/lib32", 0x7ffff9beb600) = -1 ENOENT (No such file or directory)

open("/etc/ld.so.cache", O_RDONLY)      = 3

open("/lib64/libdl.so.2", O_RDONLY)     = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libm.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libm.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/lib64/libm.so.6", O_RDONLY)      = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libpthread.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libpthread.so.0", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/lib64/libpthread.so.0", O_RDONLY) = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libnsl.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libnsl.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/lib64/libnsl.so.1", O_RDONLY)    = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libc.so.6", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/lib64/libc.so.6", O_RDONLY)      = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libaio.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libaio.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libaio.so.1", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/lib64/libaio.so.1", O_RDONLY)    = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libociei.so", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libociicus.so", O_RDONLY) = -1 ENOENT (No such file or directory)

open("/u01/app/oracle/product/11.2.0/dbhome_1/nls/data/lx1boot.nlb", O_RDONLY) = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/nls/data/lx00001.nlb", O_RDONLY) = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/nls/data/lx20001.nlb", O_RDONLY) = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/nls/data/lx10001.nlb", O_RDONLY) = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/nls/data/lx40011.nlb", O_RDONLY) = 3

open("/etc/localtime", O_RDONLY)        = 3

stat("/u01/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora", {st_mode=S_IFREG|0644, st_size=166, ...}) = 0

open("/u01/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora", O_RDONLY) = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/network/mesg/tnsus.msb", O_RDONLY) = 3

open("/u01/app/oracle/product/11.2.0/dbhome_1/lib/libnque11.so", O_RDONLY) = 4

[oracle@rh64 ~]$ 



[oracle@rh64 ~]$ strace -e trace=access,open,stat tnsping no-such-sid  prod 2>&1 >/dev/null | grep '\.ora' | cut -f2 -d\" | sort |uniq -c

      1 /etc/tnsnames.ora

      1 /home/oracle/.tnsnames.ora

      1 /u01/app/oracle/product/11.2.0/dbhome_1/ldap/admin/fips.ora

      1 /u01/app/oracle/product/11.2.0/dbhome_1/ldap/admin/ldap.ora

      1 /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/ldap.ora

      2 /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/sqlnet.ora

      3 /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/tnsnames.ora

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