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Recent content by signalsys

  1. signalsys

    sendmail daemon is not working

    syslogd output the following info: Jul 31 23:01:31 QC_P550_719 mail:crit sendmail[2122140]: My unqualified host name (QC_P550_719) unknown; sleeping for retry Jul 31 23:02:00 QC_P550_719 mail:alert sendmail[2453880]: unable to qualify my own domain name (QC_P550_719) -- using short name Jul 31...
  2. signalsys

    sendmail daemon is not working

    lssrc -s sendmail" shows it is inoperative, then i use "startsrc -s sendmail" and its' status turns to active. But about 1 minutes later it turns to inoperative again. What cause the problem? Thx in advance
  3. signalsys

    What is the difference between $@ and $* ?

    Thx in advance
  4. signalsys

    what's the meaning of TIME=${@:-5}

    what's the meaning of TIME=${@:-5}
  5. signalsys

    rsh runs Ok, but rcp command always fails

    Thanks for your guidance
  6. signalsys

    rsh runs Ok, but rcp command always fails

    rsh runs OK, but the rcp command below fails P670_2-doma%rcp -rp acce.cfg P670_7:/tmp/ who: 0551-012 The process is not attached to a terminal Thx in advance
  7. signalsys

    How can i refuse a user ftp to my server ?

    Two users A and B i allow A to ftp to my server , But B not. What can i do ? Thx in advance
  8. signalsys

    How to monitor Parallel DDL's execution?

    We can monitor Parallel DML's execution throught v$pq_slave. What about parallel DDL's execution, such as create index statement ?
  9. signalsys

    weird cron problem

    Hi,p5wizard and khalidaaa Thanks for your helps
  10. signalsys

    weird cron problem

    I once had place the following entry in crontab, I only want it to be automatically executed on August 14th 10:23 am. 23 10 14 8 1 date >> dat.out But after a week, On August 21th also Monday it was run again. it seem that cron neglect the month and day in cron. Why could this happen ? A...
  11. signalsys

    A column is needed in MV,What if i don't include this column in MV log

    I have created the following MV log and MV(empno was the only primary key in empbak). create materialized view log on empbak with primary key including new values; create materialized view mv_empbak build immediate refresh fast on commit as select empno,ename from empbak; Note that when...
  12. signalsys

    How to match the output exactly?

    Thanks for your help
  13. signalsys

    How to match the output exactly?

    I have the following devices in my system: hdiskpower10 hdiskpower100 hdiskpower101 Now i only want to get the information about hdiskpower10,so i use "lspv | grep hdiskpower10",but it outputs information about all the 3 devices: hdiskpower10 vg1 hdiskpower100 vg32 hdiskpower101 vg32 What can...
  14. signalsys

    How to compare two string variables?

    two string variables: var1="0123' var2='01BD' What syntax should i use to compare the two variables and output the bigger one? Thanks in advance.
  15. signalsys

    PINS in v$librarycache

    PINS : The number of times a PIN was requested for objects of this namespace PINHITS : The number of times all of the metadata pieces of the library object were found in memory RELOADS : Any PIN of an object that is not the first PIN performed since the object handle was created, and which...
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