I am trying to create an bash script to expand a LVM disk, I mean, trying to automatize all the process from the video bellow:
Youtube search:
How To Extend LVM Disk For Linux Virtual Machine On VMware
At this point, I am very new in bash script and I am facing this just as a try, I don't know if I will get the final result that I need.
Well, I am stuck at the grep option bellow:
I would like to compare the path (disk1) with the fdisk -l command to check if it is a valid disk.
The problem is that the way that it is writed at the moment it accept you to continue the script if you not type the entire path, example:
It should match only the exactly values /dev/sda1 , /dev/sda2 or /dev/sda3.
Any help will be welcomed
Ty!
Last edited by Scrutinizer; 03-12-2020 at 09:14 AM..
Reason: quote tags -> code tags; Removed non-existing-font definition; Removed multi-color
I want to list all files created in a day but it doesn't work
$ day=\'`date "+%b %d"`\'
$ echo $day
>>> 'Mar 12'
$ ll |grep $day
>>> can't open 12'
????? please help me (3 Replies)
I am doing "ps -f" to see my process.
but I get lines that one of it represents the ps command itself.
I want to grep it out using -v flag, but than I get another process that belongs to the GREP itself :
I would like to exclude
# ps -f
UID PID PPID C STIME TTY TIME CMD... (2 Replies)
In my file contains special characters,alphanumerics all thease characters
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Hi,
I am new to UNIX environment, to find a contents from a given files i have used the command "grep -l "<search word>" *.txt, it is given the file names which contains that particular word, but it is anyway to get entire details of the file .., i need the output like ls -ltr, filename... (3 Replies)
Hi guys, i wondering with any1 could help me with this.
I have this script will i need to "grep" an integer form a file x2. If the value is 0 then it's ok. But anything greater then 0, i'll ask the script to echo an error message. This is how the script looks like:
MESSAGEFILE=x2
STRING="0"
... (5 Replies)
i want to search in the current directory all the files that contain one word for example "hello"
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Hello,
I am running below command as root user
#nodetool cfstats tests | grep "Memtable switch count"
Memtable switch count: 12
Where as when I try to run same command as another user it gives different result.
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Discussion started by: Pushpraj
10 Replies
LEARN ABOUT OSX
svk::command::log
SVK::Command::Log(3) User Contributed Perl Documentation SVK::Command::Log(3)NAME
SVK::Command::Log - Show log messages for revisions
SYNOPSIS
log DEPOTPATH
log PATH
log -r N[:M] [DEPOT]PATH
OPTIONS -r [--revision] ARG : ARG (some commands also take ARG1:ARG2 range)
A revision argument can be one of:
"HEAD" latest in repository
{DATE} revision at start of the date
NUMBER revision number
NUMBER@ interpret as remote revision number
NUM1:NUM2 revision range
Unlike other commands, negative NUMBER has no
meaning.
-l [--limit] REV : stop after displaying REV revisions
-q [--quiet] : Don't display the actual log message itself
-x [--cross] : track revisions copied from elsewhere
-v [--verbose] : print extra information
--xml : display the log messages in XML format
--filter FILTER : select revisions based on FILTER
--output FILTER : display logs using the given FILTER
DESCRIPTION
Display the log messages and other meta-data associated with revisions.
SVK provides a flexible system allowing log messages and other revision properties to be displayed and processed in many ways. This
flexibility comes through the use of "log filters." Log filters are of two types: selection and output. Selection filters determine which
revisions are included in the output, while output filters determine how the information about those revisions is displayed. Here's a
simple example. These two invocations produce equivalent output:
svk log -l 5 //local/project
svk log --filter "head 5" --output std //local/project
The "head" filter chooses only the first revisions that it encounters, in this case, the first 5 revisions. The "std" filter displays the
revisions using SVK's default output format.
Selection filters can be connected together into pipelines. For example, to see the first 3 revisions with log messages containing the
string 'needle', we might do this
svk log --filter "grep needle | head 3" //local/project
That example introduced the "grep" filter. The argument for the grep filter is a valid Perl pattern (with any '|' characters as '|' and
'' as '\'). A revision is allowed to continue to the next stage of the pipeline if the revision's log message matches the pattern. If
we wanted to search only the first 10 revisions for 'needle' we could use either of the following commands
svk log --filter "head 10 | grep needle" //local/project
svk log -l 10 --filter "grep needle" //local/project
You may change SVK's default output filter by setting the SVKLOGOUTPUT environment. See svk help environment for details.
Standard Filters
The following log filters are included with the standard SVK distribution:
Selection : grep, head, author
Output : std, xml
For detailed documentation about any of these filters, try "perldoc SVK::Log::Filter::Name" where "Name" is "Grep", "Head", "XML", etc..
Other log filters are available from CPAN <http://search.cpan.org> by searching for "SVK::Log::Filter". For details on writing log
filters, see the documentation for the SVK::Log::Filter module.
perl v5.10.0 2008-08-04 SVK::Command::Log(3)