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Old 07-28-2014, 10:02 AM   #1
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Registered: Jun 2014
Posts: 9

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Thumbs down Hi I got this error E: Sub-process /usr/bin/dpkg returned an error code (100)

Hi everyone,

I faced an error while implementing postfix and mailutils,

root@vtiger-Admin:~# apt-get install mailutils
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
libgsasl7 libmailutils2 libntlm0 postfix
Suggested packages:
mailutils-mh procmail postfix-mysql postfix-pgsql postfix-ldap postfix-pcre
sasl2-bin dovecot-common postfix-cdb postfix-doc
The following NEW packages will be installed:
libgsasl7 libmailutils2 libntlm0 mailutils postfix
0 upgraded, 5 newly installed, 0 to remove and 45 not upgraded.
Need to get 0 B/2,751 kB of archives.
After this operation, 8,240 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Preconfiguring packages ...
Could not exec dpkg!
E: Sub-process /usr/bin/dpkg returned an error code (100)
Old 07-28-2014, 11:43 PM   #2
Registered: Nov 2013
Location: Canada
Distribution: Ubuntu
Posts: 80
Blog Entries: 4

Rep: Reputation: 42
Maybe try this?

mkdir /tmp/dpkg
cd /tmp/dpkg
ar x dpkg*.deb data.tar.gz
tar xfvz data.tar.gz ./usr/bin/dpkg
sudo cp ./usr/bin/dpkg /usr/bin/
sudo apt-get update
sudo apt-get install --reinstall dpkg


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