At the office, we often have to edit one file with VI. We are 4-6 workers doing it and sometimes can be done at the same time.
We have found a problem and want to prevent it with a file lock. Is it possible and how ?
problem :
Worker-a starts edit VI session on File-A at 1PM
Worker-b... (14 Replies)
Hello,
I'm wondering where I could go to learn how to edit file sections that cross multiple lines. I'm wanting to write scripts that will add Gnome menu entries for all users on a system for scripts I write, etc. I can search an replace simple examples with sed, but this seems more complex.
... (8 Replies)
Hi all,
I would like to simply read a file which lists a number of pathnames and files, then search and replace key strings using a few vi commands:
:1,$s/search_str/replace_str/g<return>
but I am not sure how to automate the <return> of these vis commands when I am putting this in a... (8 Replies)
Hi,
I'd like to process multiple files. For example:
file1.txt
file2.txt
file3.txt
Each file contains several lines of data. I want to extract a piece of data and output it to a new file.
file1.txt ----> newfile1.txt
file2.txt ----> newfile2.txt
file3.txt ----> newfile3.txt
Here is... (3 Replies)
I'm having a couple of issues. I'm trying to edit a nagios config and remove a host definition if a certain "host_name" is found. My thought is I would find host definition block containing the host_name I'm looking for and output the line numbers for the first and last lines. Using set, I will... (9 Replies)
Hello Team,
I want to know if there is any one liner command , using which I can edit multiple column of a file.
input file input.txt (comma separated),
taran, 12.45, uttam, 23.40, babay
karan, 12.45, raju, 11.40, rahulg
I want to update, 2nd and 4th column,
but want all those column... (8 Replies)
I have 6 different pipe delimiter files. My loads failing due to missing company code.
File1: 31 st field is company code.
402660076310|2014-12-10 17:22:39|2280361|MRYKI|1||CA|92507|US||1|1|0|0|0||N|A1|ONT|1001891771660009250700402660076310|WM|0201|RALA |2014-12-12|5|2014-12-12|5||FRI - 12... (4 Replies)
Experts - I have an requirement to gunzip and edit many files in a pair of directories.
I have two scripts that work great when run separately, but I'm having problems
combining the two.
The goal is to gunzip the files found in the first script and pipe them to the
bash/sed script and... (9 Replies)
Hi All,
I am preserving OLD and NEW values and want to replace the values in one go instead of using multiple sed and mv commands. Please help.
echo "\nEnter the new qStart time '${CODE}' - (Hit Enter for No Change): \c"
read NEW
echo "\nEnter the new qStop time '${CODE}' - (Hit Enter for... (2 Replies)
Created a shell script to invoke sed to edit multiple files, but am missing something.
Here's the shell script:
oracle:$ cat edit_scripts.sh
#!/bin/sh
#------------------------------------------------------------------------------
# edit_scripts.sh
#
# This script executes sed to make global... (4 Replies)
Discussion started by: edstevens
4 Replies
LEARN ABOUT CENTOS
crm_shadow
PACEMAKER(8) System Administration Utilities PACEMAKER(8)NAME
Pacemaker - Part of the Pacemaker cluster resource manager
SYNOPSIS
crm_shadow (query|command) [modifiers]
DESCRIPTION
crm_shadow - Perform configuration changes in a sandbox before updating the live cluster.
Sets up an environment in which configuration tools (cibadmin, crm_resource, etc) work offline instead of against a live cluster, allowing
changes to be previewed and tested for side-effects.
OPTIONS
-?, --help
This text
-$, --version
Version information
-V, --verbose
Increase debug output
Queries:
-w, --which
Indicate the active shadow copy
-p, --display
Display the contents of the active shadow copy
-E, --edit
Edit the contents of the active shadow copy with your favorite $EDITOR
-d, --diff
Display the changes in the active shadow copy
-F, --file
Display the location of the active shadow copy file
Commands:
-c, --create=value
Create the named shadow copy of the active cluster configuration
-e, --create-empty=value
Create the named shadow copy with an empty cluster configuration
-C, --commit=value
Upload the contents of the named shadow copy to the cluster
-D, --delete=value
Delete the contents of the named shadow copy
-r, --reset=value
Recreate the named shadow copy from the active cluster configuration
-s, --switch=value
(Advanced) Switch to the named shadow copy
Additional Options:
-f, --force
(Advanced) Force the action to be performed
-b, --batch
(Advanced) Don't spawn a new shell
-a, --all
(Advanced) Upload the entire CIB, including status, with --commit
EXAMPLES
Create a blank shadow configuration:
# crm_shadow --create-empty myShadow
Create a shadow configuration from the running cluster:
# crm_shadow --create myShadow
Display the current shadow configuration:
# crm_shadow --display
Discard the current shadow configuration (named myShadow):
# crm_shadow --delete myShadow
Upload the current shadow configuration (named myShadow) to the running cluster:
# crm_shadow --commit myShadow
AUTHOR
Written by Andrew Beekhof
REPORTING BUGS
Report bugs to pacemaker@oss.clusterlabs.org
Pacemaker 1.1.10-29.el7 June 2014 PACEMAKER(8)