Re: Regarding unable to run wget on compute node

[Petr Pisar]

V Tue, Apr 18, 2023 at 02:02:41PM +0530, Vanshika Saxena napsal(a):
>    I have a file.txt that contains several ftp links to various SRR files
> in the following format:-
> wget '
> ftp://ftp.sra.ebi.ac.uk/vol1/fastq/SRR848/002/SRR8482202/SRR8482202_1.fastq.gz
> '
> When, I use these files on my local Ubuntu 22.04 system or HPC CLuster
> login node, the program runs and returns the fastq files but when, this
> program is run through a bash script and executed on compute node it gives
> the following error:
> --2023-04-18 12:17:07--
> ftp://ftp.sra.ebi.ac.uk/vol1/fastq/SRR848/002/SRR8482202/SRR8482202_1.fastq.gz
>            => �^�^�SRR8482202_1.fastq.gz�^�^�
> Resolving ftp.sra.ebi.ac.uk (ftp.sra.ebi.ac.uk)... failed: Temporary
> failure in name resolution.
> wget: unable to resolve host address �^�^�ftp.sra.ebi.ac.uk�^�^�

It seems that your compute node has broken domain name resolution. Does
"getent hosts ftp.sra.ebi.ac.uk" command work on that compute node? Or any
other downloader, like curl?

-- Petr

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