Category: Linux/Unix

mount -F nfs 192.168.6.36:/cdrom/cdrom0 /mnt

(*) To determine the size of the configured swap space, enter the following command: /usr/sbin/swap -s (*) To determine whether the system architecture is 64-bit, enter the following command: /bin/isainfo -kv This command should return the following output. If you do not see the expected output, you cannot install the 64-bit Oracle software on this…

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eaappprod21->UAS@(/export/home/oracle/paresh/uocuat)ipcs -A IPC status from as of Wed Aug 31 15:17:54 EDT 2005 T ID KEY MODE OWNER GROUP CREATOR CGROUP CBYTES QNUM QBYTES LSPID LRPID STIME RTIME CTIME Message Queues: T ID KEY MODE OWNER GROUP CREATOR CGROUP NATTCH SEGSZ CPID LPID ATIME DTIME CTIME ISMATTCH Shared Memory: m 0 0x500004cf –rw-r–r– root root…

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Use $ top last pid: 17552; load averages: 0.04, 0.03, 0.04 15:16:01 93 processes: 88 sleeping, 2 zombie, 3 on cpu CPU states: % idle, % user, % kernel, % iowait, % swap Memory: 8192M real, 3841M free, 2867M swap in use, 5629M swap free PID USERNAME THR PRI NICE SIZE RES STATE TIME CPU…

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use $psrinfo 0 on-line since 03/10/05 14:49:00 1 on-line since 03/10/05 14:49:09 4 on-line since 03/10/05 14:49:09 5 on-line since 03/10/05 14:49:09 8 on-line since 03/10/05 14:49:09 9 on-line since 03/10/05 14:49:09 10 on-line since 03/10/05 14:49:09 11 on-line since 03/10/05 14:49:09 12 on-line since 03/10/05 14:49:09 13 on-line since 03/10/05 14:49:09

How does one monitor and trace Unix processes? To trace what a Unix process is doing enter: truss -rall -wall -p truss -p $ lsnrctl dbsnmp_start NOTE: The “truss” command works on SUN and Sequent. Use “tusc” on HP-UX, “strace” on Linux, “trace” on SCO Unix or call your system administrator to find the equivalent…

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This example uses the Unix split command to create multiple files, each smaller than the Unix (and imp/exp) 2 Gigabyte file size limit. This method can typically be used for import, export and SQL*Loader operations. cd /tmp/data rm exp.dmp mknod exp.dmp p # mkfifo on certain Unix flavours split -b2047m /tmp/data/exp.dmp & imp scott/tiger file=/tmp/data/exp.dmp…

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One can select a value from a database column directly into a Unix environment variable. Look at the following shell script examples: #!/bin/sh VALUE=`sqlplus -silent user/password@instance

sh -x ./myshellfile.sh

***** Both hourly jobs ***** 01 * * * * /export/home/oracle/scripts/move_arch_files_uoc.ksh > /export/home/oracle/scripts/log/move_arch_files_uoc.log 2> /export/home/oracle/scripts/log/move_arch_files_uoc.err 01 * * * * /export/home/oracle/scripts/move_arch_files_cif.ksh > /export/home/oracle/scripts/log/move_arch_files_cif.log 2> /export/home/oracle/scripts/log/move_arch_files_cif.err ***** for 15 mins interval ***** 01,16,31,46 * * * * /export/home/oracle/scripts/move_arch_files_uoc.ksh > /export/home/oracle/scripts/log/move_arch_files_uoc.log 2> /export/home/oracle/scripts/log/move_arch_files_uoc.err