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7 votes
1 answer
11k views

I am using a large code-base that compiled successfully before using make with a makefile and cmake. However, now that I'm trying to use openmp with it, I'm now getting the errors undefined reference ...
tdy's user avatar
  • 42.1k
177 votes
17 answers
141k views

I have a fixed-width-field file which I'm trying to sort using the UNIX (Cygwin, in my case) sort utility. The problem is there is a two-line header at the top of the file which is being sorted to the ...
brandizzi's user avatar
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14 votes
6 answers
91k views

I am trying to remove a directory /path/to/dir using the rm -rf command. Unfortunately I get the error rm: cannot remove '/path/to/dir/.nfsdda293a660f276ca0000000a': Device or resource busy After a ...
Aalok Patwardhan's user avatar
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2 votes
1 answer
105 views

I'm trying to change a password on a z/OS mainframe that I make an FTPS connection to. Working with a legacy codebase and I'm trying to get rid of the exec calls to cURL. You'll notice all the ...
halfer's user avatar
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-1 votes
8 answers
34k views

Write a shell script to find the largest among three numbers. Get user inputs and display the result. Sample input 1: 10 20 30 Sample output 1: 30 is largest number Sample input 2: 10 10 10 Sample ...
Nimantha's user avatar
  • 6,547
701 votes
7 answers
336k views

In the header of a Bash script, what's the difference between those two statements: #!/usr/bin/env bash #!/usr/bin/bash When I consulted the env man page, I get this definition: env - run a program ...
atomsymbol's user avatar
  • 421
1 vote
3 answers
23k views

I am trying to connect to DB from a shell script, but I am getting below errors for this. Database output: ERROR: ORA-12154: TNS:could not resolve the connect identifier specified SP2-0306: Invalid ...
Community's user avatar
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2 votes
1 answer
608 views

I have been having very strange issues with line endings. I have just noticed that in Sublime Text the view/line endings shows them up as Mac OS9. How can I convert the whole directory recursively ...
miken32's user avatar
  • 42.5k
210 votes
13 answers
248k views

How can I plot the results of a unix diff command side-to-side instead of one difference after the other? See below for an example: diff /tmp/test1 /tmp/test2 1,4c1,2 < asfdsadf < ...
Benjamin Loison's user avatar
  • 5,770
0 votes
0 answers
51 views

I’m trying to understand how plugin systems differ between Mattermost and Apache APISIX, specifically in how they use RPC for external plugins. Mattermost plugins must be written in Go. The server ...
Cam_Aust's user avatar
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44 votes
7 answers
40k views

I'm using find for a task and I noticed that when I do something like this: find `pwd` -name "file.ext" -exec echo $(dirname {}) \; it will give you dots only for each match. When you substitute ...
BryanH's user avatar
  • 6,133
4 votes
5 answers
8k views

Is there any way to rename a file while keeping the original creation / modification/ read time? This is in Solaris.
halfer's user avatar
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355 votes
29 answers
367k views

There are multiple files in a directory that begin with prefix fgh, for example: fghfilea fghfileb fghfilec I want to rename all of them to begin with prefix jkl. Is there a single command to do that ...
Raven's user avatar
  • 252
476 votes
26 answers
690k views

How can I programmatically (not using vi) convert DOS/Windows newlines to Unix newlines? The dos2unix and unix2dos commands are not available on certain systems. How can I emulate them with commands ...
Alexey Kolesaev's user avatar
  • 141
2 votes
2 answers
13k views

I have to update TNS entries in a Linux server. I am trying to search tnsname.ora file but unable to. "locate tnsname.ora" is not giving me any result."find $ORACLE_HOME -name tnsnames.ora" is also ...
Community's user avatar
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