I am trying to install a library but i am getting this error:
$ sudo apt-get install libkim-api-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
libkim-api2
The following NEW packages will be installed:
libkim-api-dev libkim-api2
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 490 kB of archives.
After this operation, 2,104 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Err:1 http://repo.iitd.ernet.in/ubuntu focal/universe amd64 libkim-api2 amd64 2.1.3-5build1
503 Service Unavailable [IP: 10.10.78.61 3128]
Err:2 http://repo.iitd.ernet.in/ubuntu focal/universe amd64 libkim-api-dev amd64 2.1.3-5build1
503 Service Unavailable [IP: 10.10.78.61 3128]
E: Failed to fetch http://repo.iitd.ernet.in/ubuntu/pool/universe/k/kim-api/libkim-api2_2.1.3-5build1_amd64.deb 503 Service Unavailable [IP: 10.10.78.61 3128]
E: Failed to fetch http://repo.iitd.ernet.in/ubuntu/pool/universe/k/kim-api/libkim-api-dev_2.1.3-5build1_amd64.deb 503 Service Unavailable [IP: 10.10.78.61 3128]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
The bashrc file has the following relevant content: export https_proxy=https://proxy61.iitd.ernet.in:3128 export HTTPS_PROXY=https://proxy61.iitd.ernet.in:3128 export HTTP_PROXY=http://proxy61.iitd.ernet.in:3128 export http_proxy=http://proxy61.iitd.ernet.in:3128
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My system proxy details are as follows: For non-browser Applications (Proxy_Name: proxy61.iitd.ac.in Proxy_IP: 10.10.78.61 Proxy_port: 3128)
. The sources.list file has been changed with the following commands:deb http://repo.iitd.ernet.in/ubuntu focal main restricted universe multiverse deb http://repo.iitd.ernet.in/ubuntu focal-updates main restricted universe multiverse deb http://repo.iitd.ernet.in/ubuntu focal-security main restricted universe multiverse deb http://repo.iitd.ernet.in/ubuntu focal-backports main restricted universe multiverse
.
I am able to access the internet from the browser however not able to download any package. What is the fix for this?