# This problem was Resolved

**URL:** <https://community.blockcerts.org/t/this-problem-was-resolved/705>\
**Category:** Technical\
**Created:** [January 8, 2018, 4:36am UTC](https://community.blockcerts.org/t/this-problem-was-resolved/705 "2018-01-08T04:36:23Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![vuongthieuis](https://sea2.discourse-cdn.com/flex016/user_avatar/community.blockcerts.org/vuongthieuis/32/286_2.png) [@vuongthieuis](https://community.blockcerts.org/u/vuongthieuis)\
**Post date:** [January 8, 2018, 4:36am UTC](https://community.blockcerts.org/t/this-problem-was-resolved/705/1 "2018-01-08T04:36:23Z")

</div>

OS: Ubuntu 14.02.  
Installed: Bitcoin Core in Regtest mode and Cert-Tools.

After i run command: **docker build -t bc/cert-issuer:1.0 .**

 ![image](https://us1.discourse-cdn.com/flex016/uploads/blockcerts/original/1X/2115fa5c07c8bba030d07a5bb33090ab19ab87b7.png)

I see it maked file: /etc/cert-issuer/conf.ini and another file -\> Successfully built.  
But it not work. I dont see any file here.  
Run : **sed -i.bak “s//$issuer/g” /etc/cert-issuer/conf.ini**  
Error: **/etc/cert-issuer/conf.ini : No such file or directory**

Please help me!