All Questions
43 questions
1
vote
3
answers
133
views
make master/slave ip in different subnet
For reference, this is a follow-up and variation on group ip address to different subnet with shell
We have two strings (named master/slave), the two strings are composed with IPS spread in three ...
- 59
-3
votes
2
answers
77
views
grep specified variable from a file [closed]
I have a variable like
master='172.21.154.37 172.21.250.94 172.21.251.93 172.21.250.94'
and I need to check whether the first and the second column in the file both matches the variable. The following ...
- 59
-1
votes
3
answers
168
views
Replace new lines at end for those lines whose 2nd field in colon separated file span over to multiple line
I have got multiple files with different set of contents but the pattern is same across mulitple lines in different files.
sample input file : cat -n test.txt
1 adjfkhjdhfkjd: ...
5
votes
5
answers
782
views
How can I replace multiple substrings from multiple lines in a file matching a pattern from a different file?
I have a file that contains multiple IP addresses and hostnames, and another file that contains some folders with many IP addresses per line.
ip_hostname.txt
host1 10.1.1.1
host2 10.2.2.2
host3 10.3.3....
- 51
0
votes
1
answer
927
views
Capturing hostname & data when executing local script on remote server
While trying to execute a local script on remotely host unable to get hostname of the remoteserver to a local output file.
For example I am executing a script below.
ssh remotehost sh -s < sudo su -...
- 3,208
0
votes
4
answers
311
views
how to capture parameter and value from line
we want to capture only the parameter - segment.bytes and his value
example
echo "$info" | grep "segment.bytes"
{"version":1,"config":{"segment.bytes":...
- 13.9k
1
vote
2
answers
122
views
Editing the output of fslint with shell tools awk | grep | sed
The task is to transform this text file, output of the utility fslint, into a bash script with rm command lines for the duplicate file(s) to delete and commented lines for file(s) to keep, according ...
- 29
-4
votes
2
answers
328
views
Create multiple random pairwise combination of words [closed]
File 1 contains the list of words that needed to be randomly paired
Tiger
Cat
Fish
Frog
Dog
Mouse
Elephant
Monkey
File 2 contains the pairs that should not be used (in any solution) during random ...
- 5
4
votes
3
answers
2k
views
How to add the real hostname in the beginning of Linux cli command [duplicate]
we have redhat servers - 7.2
the following output from sar print all relevant details as the following
sar -p -d 1 1
07:16:35 PM DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await ...
- 13.9k
1
vote
1
answer
104
views
Computing pair-wise time differences in mili seconds between matching records in a data table
I have a three-column table of data of the following form:
TIME MPID CPID
14:00:04.909 10048 370007
14:00:05.320 10048 370007
14:00:05.462 10048 370008
14:00:05.761 10048 370008
14:00:...
- 153
0
votes
2
answers
141
views
How to extract a range of number from two files?
I'm trying to extract the number range from two files.
$ cat file1.txt
chr1 69509
chr1 69511
chr1 71000
chr1 358112
chr1 586874
chr1 744200
.
.
.
$cat file2.txt
chr1 69091 70005
...
- 305
0
votes
5
answers
810
views
How can I change the character of a string one by one?
I want to change all the characters in string one by one according to the substitution rule and save them to file on Linux.
This is substitution file (sub.txt).
A -> Y
B -> V
C -> Q
...
...
- 305
14
votes
3
answers
10k
views
sum all numbers from "du"
We want to calculate the first numbers that we get from du
du -b /tmp/*
6 /tmp/216c6f99-6671-4865-b8bc-7205f5388752_resources
668669 /tmp/hadoop7887078727316788325.tmp
6 /tmp/hadoop-hdfs
...
- 13.9k
0
votes
1
answer
106
views
Looping 'find...-type f': Getting filenames by dir/subdir, ouputing a txt with name dir_subdir_fname.txt
My data structure is something like:
dir1/subdir1_level1/subdir1_level2.../subdir1_leveln
dir1/subdir2_level1/subdir2_level2.../subdir2_leveln
...
Which means that the levels I'm working with are not ...
-1
votes
3
answers
1k
views
how to remove the empty/blank lines from files that appears as @ from vi
when I open file by vi
as
vi file
Current partition replica assignment
@
@
@
@
@
{"version":1,"partitions":[{"topic")]
@
@
@
@
@
Proposed partition reassignment configuration
but I try to delete ...
- 13.9k