Logical Servers

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1. Shell Programming and Scripting

Logical if error

Hi All, I am writing a simple script to read a file and display the lines with char count between 20 and 25. I am stuck with the if condition here. Tried a lot but still getting an error on the if condition # if && if && My script is very simple as below, not able to understand...

2. Shell Programming and Scripting

trying to use logical or and i must be missing something

greetings, i am trying to force the user to ensure that $CPUS equals 12 or 24. it cannot be any other value including null. after the expr statement $AMT needs to equal 1 or 2. how i read the line in question is "if $CPUS is zero/null or not equal to 12 or not equal to 24" then issue the message,...

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4. Shell Programming and Scripting

Logical error

I have this script to uvscan-update. Seems like that i am getting logical error at the end of the script. It is updating the script and also giving the error message to update it manually. I have deleted the DAT files to see if it will create new and it does. Below is the error and the script: ...

5. Shell Programming and Scripting

A logical problem.

I'm having a logical problem.Can anybody help me. while ] do echo " Enter the Zip File Name : \c" read ZipFile done In the above snippet - I want it ask for file name first time and once validation fails, I want it add a msg that its entered file name doesn't exist and ten prompt...

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How to do logical AND and logical OR with grep

Hi can someone please help me on this. I need to perform this code: Grep any lines that meets the following criteria (A AND B) OR (A AND C) I tried this code, but it didn't work Grep-I "A &&B" | "A&&C" *.* $ thanks in advance

7. Shell Programming and Scripting

Logical OR using sed

Hello, This must be a novice question to you folks. But I searched through various places and did not find an answer to this question: How do we perform a logical OR operation using sed command? For example, I want to write a command that extracts all the text between pattern1 and pattern2 OR...

8. Shell Programming and Scripting

logical if condition

hi i have the following scenario #!/bin/sh a=21.0 b=33.0 c=16.0 cmd=20 cmd1=30 if && ] then echo "problem....." exit 1 else echo "ok" exit 0 fi the issue here is the above condition is never TRUE coz a>cmd && b >cmd1

LEARN ABOUT NETBSD

lvresize

LVRESIZE(8)						      System Manager's Manual						       LVRESIZE(8)

NAME

       lvresize - resize a logical volume

SYNOPSIS

       lvresize  [--alloc  AllocationPolicy] [-A|--autobackup y|n] [-d|--debug] [-h|-?|--help] [-i|--stripes Stripes [-I|--stripesize StripeSize]]
       {-l|--extents [+]LogicalExtentsNumber[%{VG|LV|PVS|FREE}] | -L|--size [+]LogicalVolumeSize[kKmMgGtT]} [-t|--test] [-v|--verbose] LogicalVol-
       umePath [PhysicalVolumePath...]

DESCRIPTION

       lvresize  allows  you  to  resize  a logical volume.  Be careful when reducing a logical volume's size, because data in the reduced part is
       lost!!!	You should therefore ensure that any filesystem on the volume is shrunk first so that the extents that are to be removed  are  not
       in  use.  Resizing snapshot logical volumes (see lvcreate(8) for information about creating snapshots) is supported as well.  But to change
       the number of copies in a mirrored logical volume use lvconvert(8).

OPTIONS

       See lvm for common options.

       -l, --extents [+|-]LogicalExtentsNumber[%{VG|LV|PVS|FREE}]
	      Change or set the logical volume size in units of logical extents.  With the + or - sign the value is added to  or  subtracted  from
	      the  actual size of the logical volume and without it, the value is taken as an absolute one.  The number can also be expressed as a
	      percentage of the total space in the Volume Group with the suffix %VG, relative to the existing size of the Logical Volume with  the
	      suffix  %LV,  as	a  percentage of the remaining free space of the PhysicalVolumes on the command line with the suffix %PVS, or as a
	      percentage of the remaining free space in the Volume Group with the suffix %FREE.

       -L, --size [+|-]LogicalVolumeSize[kKmMgGtTpPeE]
	      Change or set the logical volume size in units of megabytes.  A size suffix of M for megabytes, G for gigabytes, T for terabytes,  P
	      for  petabytes  or E for exabytes is optional.  With the + or - sign the value is added to or subtracted from the actual size of the
	      logical volume and without it, the value is taken as an absolute one.

       -i, --stripes Stripes
	      Gives the number of stripes to use when extending a Logical Volume.  Defaults to whatever the last segment  of  the  Logical  Volume
	      uses.  Not applicable to LVs using the original metadata LVM format, which must use a single value throughout.

       -I, --stripesize StripeSize
	      Gives the number of kilobytes for the granularity of the stripes.  Defaults to whatever the last segment of the Logical Volume uses.
	      Not applicable to LVs using the original metadata LVM format, which must use a single value throughout.
	      StripeSize must be 2^n (n = 2 to 9)

SEE ALSO

       lvm(8), lvconvert(8), lvcreate(8), lvreduce(8), lvchange(8)

Sistina Software UK					 LVM TOOLS 2.02.44-cvs (02-17-09)					       LVRESIZE(8)

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