All working fine with a recent core snap version: fgimenez@localhost:~$ snap version snap 2.16+ppa35-1 snapd 2.16+ppa35-1 series 16 fgimenez@localhost:~$ snap list Name Version Rev Developer Notes classic 16.04 17 canonical devmode core 16.04.1 72 canonical - pc 16.04-0.8 9 canonical - pc-kernel 4.4.0-36-2 19 canonical - fgimenez@localhost:~$ sudo classic "sudo apt update && apt install -y git golang-go" Creating classic environment Parallel unsquashfs: Using 1 processor 10906 inodes (11944 blocks) to write [===================================================================================================================================================/] 11944/11944 100% created 8463 files created 1424 directories created 2354 symlinks created 79 devices created 0 fifos (Reading database ... 12853 files and directories currently installed.) Preparing to unpack .../apt_1.2.12~ubuntu16.04.1_amd64.deb ... Unpacking apt (1.2.12~ubuntu16.04.1) over (1.2.12~ubuntu16.04.1) ... Selecting previously unselected package locales. Preparing to unpack .../locales_2.23-0ubuntu3_all.deb ... Unpacking locales (2.23-0ubuntu3) ... Setting up apt (1.2.12~ubuntu16.04.1) ... Setting up locales (2.23-0ubuntu3) ... Generating locales (this might take a while)... Generation complete. Processing triggers for libc-bin (2.23-0ubuntu3) ... Get:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [94.5 kB] Get:2 http://archive.ubuntu.com/ubuntu xenial InRelease [247 kB] Get:3 http://security.ubuntu.com/ubuntu xenial-security/main amd64 Packages [152 kB] Get:4 http://security.ubuntu.com/ubuntu xenial-security/main i386 Packages [148 kB] Get:5 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [95.7 kB] Get:6 http://security.ubuntu.com/ubuntu xenial-security/main Translation-en [62.9 kB] Get:7 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 Packages [44.4 kB] Get:8 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [92.2 kB] Get:9 http://security.ubuntu.com/ubuntu xenial-security/universe i386 Packages [44.4 kB] Get:10 http://security.ubuntu.com/ubuntu xenial-security/universe Translation-en [26.7 kB] Get:11 http://security.ubuntu.com/ubuntu xenial-security/multiverse amd64 Packages [1176 B] Get:12 http://security.ubuntu.com/ubuntu xenial-security/multiverse i386 Packages [1340 B] Get:13 http://security.ubuntu.com/ubuntu xenial-security/multiverse Translation-en [628 B] Get:14 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages [1201 kB] Get:15 http://archive.ubuntu.com/ubuntu xenial/main i386 Packages [1196 kB] Get:16 http://archive.ubuntu.com/ubuntu xenial/main Translation-en [568 kB] Get:17 http://archive.ubuntu.com/ubuntu xenial/restricted amd64 Packages [8344 B] Get:18 http://archive.ubuntu.com/ubuntu xenial/restricted i386 Packages [8684 B] Get:19 http://archive.ubuntu.com/ubuntu xenial/restricted Translation-en [2908 B] Get:20 http://archive.ubuntu.com/ubuntu xenial/universe amd64 Packages [7532 kB] Get:21 http://archive.ubuntu.com/ubuntu xenial/universe i386 Packages [7512 kB] Get:22 http://archive.ubuntu.com/ubuntu xenial/universe Translation-en [4354 kB] Get:23 http://archive.ubuntu.com/ubuntu xenial/multiverse amd64 Packages [144 kB] Get:24 http://archive.ubuntu.com/ubuntu xenial/multiverse i386 Packages [140 kB] Get:25 http://archive.ubuntu.com/ubuntu xenial/multiverse Translation-en [106 kB] Get:26 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [396 kB] Get:27 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages [390 kB] Get:28 http://archive.ubuntu.com/ubuntu xenial-updates/main Translation-en [150 kB] Get:29 http://archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [335 kB] Get:30 http://archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages [331 kB] Get:31 http://archive.ubuntu.com/ubuntu xenial-updates/universe Translation-en [116 kB] Get:32 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages [5492 B] Get:33 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse i386 Packages [4280 B] Get:34 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse Translation-en [2428 B] Get:35 http://archive.ubuntu.com/ubuntu xenial-backports/main amd64 Packages [1540 B] Get:36 http://archive.ubuntu.com/ubuntu xenial-backports/main i386 Packages [1540 B] Get:37 http://archive.ubuntu.com/ubuntu xenial-backports/main Translation-en [1484 B] Get:38 http://archive.ubuntu.com/ubuntu xenial-backports/universe amd64 Packages [1000 B] Get:39 http://archive.ubuntu.com/ubuntu xenial-backports/universe i386 Packages [1000 B] Get:40 http://archive.ubuntu.com/ubuntu xenial-backports/universe Translation-en [584 B] Fetched 25.5 MB in 22s (1118 kB/s) Reading package lists... Done Building dependency tree... Done 2 packages can be upgraded. Run 'apt list --upgradable' to see them. Reading package lists... Done Building dependency tree... Done The following additional packages will be installed: git-man golang-1.6-go golang-1.6-src golang-src libasn1-8-heimdal libcurl3-gnutls liberror-perl libgssapi3-heimdal libhcrypto4-heimdal libheimbase1-heimdal libheimntlm0-heimdal libhx509-5-heimdal libkrb5-26-heimdal libldap-2.4-2 libperl5.22 libroken18-heimdal librtmp1 libsasl2-2 libsasl2-modules-db libwind0-heimdal perl perl-modules-5.22 Suggested packages: git-daemon-run | git-daemon-sysvinit git-doc git-el git-email git-gui gitk gitweb git-arch git-cvs git-mediawiki git-svn bzr mercurial subversion perl-doc libterm-readline-gnu-perl | libterm-readline-perl-perl make Recommended packages: patch rsync g++ gcc golang-1.6-race-detector-runtime libc6-dev pkg-config golang-race-detector-runtime libsasl2-modules rename The following NEW packages will be installed: git git-man golang-1.6-go golang-1.6-src golang-go golang-src libasn1-8-heimdal libcurl3-gnutls liberror-perl libgssapi3-heimdal libhcrypto4-heimdal libheimbase1-heimdal libheimntlm0-heimdal libhx509-5-heimdal libkrb5-26-heimdal libldap-2.4-2 libperl5.22 libroken18-heimdal librtmp1 libsasl2-2 libsasl2-modules-db libwind0-heimdal perl perl-modules-5.22 0 upgraded, 24 newly installed, 0 to remove and 2 not upgraded. Need to get 38.0 MB of archives. After this operation, 264 MB of additional disk space will be used. Get:1 http://archive.ubuntu.com/ubuntu xenial/main amd64 perl-modules-5.22 all 5.22.1-9 [2641 kB] Get:2 http://archive.ubuntu.com/ubuntu xenial/main amd64 libperl5.22 amd64 5.22.1-9 [3371 kB] Get:3 http://archive.ubuntu.com/ubuntu xenial/main amd64 perl amd64 5.22.1-9 [237 kB] Get:4 http://archive.ubuntu.com/ubuntu xenial/main amd64 libroken18-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1 [41.2 kB] Get:5 http://archive.ubuntu.com/ubuntu xenial/main amd64 libasn1-8-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1 [174 kB] Get:6 http://archive.ubuntu.com/ubuntu xenial/main amd64 libhcrypto4-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1 [84.9 kB] Get:7 http://archive.ubuntu.com/ubuntu xenial/main amd64 libheimbase1-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1 [29.2 kB] Get:8 http://archive.ubuntu.com/ubuntu xenial/main amd64 libwind0-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1 [48.2 kB] Get:9 http://archive.ubuntu.com/ubuntu xenial/main amd64 libhx509-5-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1 [107 kB] Get:10 http://archive.ubuntu.com/ubuntu xenial/main amd64 libkrb5-26-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1 [202 kB] Get:11 http://archive.ubuntu.com/ubuntu xenial/main amd64 libheimntlm0-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1 [15.1 kB] Get:12 http://archive.ubuntu.com/ubuntu xenial/main amd64 libgssapi3-heimdal amd64 1.7~git20150920+dfsg-4ubuntu1 [96.1 kB] Get:13 http://archive.ubuntu.com/ubuntu xenial/main amd64 libsasl2-modules-db amd64 2.1.26.dfsg1-14build1 [14.5 kB] Get:14 http://archive.ubuntu.com/ubuntu xenial/main amd64 libsasl2-2 amd64 2.1.26.dfsg1-14build1 [48.7 kB] Get:15 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libldap-2.4-2 amd64 2.4.42+dfsg-2ubuntu3.1 [161 kB] Get:16 http://archive.ubuntu.com/ubuntu xenial/main amd64 librtmp1 amd64 2.4+20151223.gitfa8646d-1build1 [53.9 kB] Get:17 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 libcurl3-gnutls amd64 7.47.0-1ubuntu2.1 [183 kB] Get:18 http://archive.ubuntu.com/ubuntu xenial/main amd64 liberror-perl all 0.17-1.2 [19.6 kB] Get:19 http://archive.ubuntu.com/ubuntu xenial/main amd64 git-man all 1:2.7.4-0ubuntu1 [735 kB] Get:20 http://archive.ubuntu.com/ubuntu xenial/main amd64 git amd64 1:2.7.4-0ubuntu1 [3006 kB] Get:21 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 golang-1.6-src amd64 1.6.2-0ubuntu5~16.04 [6429 kB] Get:22 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 golang-1.6-go amd64 1.6.2-0ubuntu5~16.04 [20.2 MB] Get:23 http://archive.ubuntu.com/ubuntu xenial/main amd64 golang-src amd64 2:1.6-1ubuntu4 [3066 B] Get:24 http://archive.ubuntu.com/ubuntu xenial/main amd64 golang-go amd64 2:1.6-1ubuntu4 [21.8 kB] Fetched 38.0 MB in 32s (1174 kB/s) perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LC_TIME = "es_ES.UTF-8", LC_MONETARY = "es_ES.UTF-8", LC_ADDRESS = "es_ES.UTF-8", LC_TELEPHONE = "es_ES.UTF-8", LC_NAME = "es_ES.UTF-8", LC_MEASUREMENT = "es_ES.UTF-8", LC_IDENTIFICATION = "es_ES.UTF-8", LC_NUMERIC = "es_ES.UTF-8", LC_PAPER = "es_ES.UTF-8", LANG = "C.UTF-8" are supported and installed on your system. perl: warning: Falling back to a fallback locale ("C.UTF-8"). debconf: delaying package configuration, since apt-utils is not installed Selecting previously unselected package perl-modules-5.22. (Reading database ... 13450 files and directories currently installed.) Preparing to unpack .../perl-modules-5.22_5.22.1-9_all.deb ... Unpacking perl-modules-5.22 (5.22.1-9) ... Selecting previously unselected package libperl5.22:amd64. Preparing to unpack .../libperl5.22_5.22.1-9_amd64.deb ... Unpacking libperl5.22:amd64 (5.22.1-9) ... Selecting previously unselected package perl. Preparing to unpack .../perl_5.22.1-9_amd64.deb ... Unpacking perl (5.22.1-9) ... Selecting previously unselected package libroken18-heimdal:amd64. Preparing to unpack .../libroken18-heimdal_1.7~git20150920+dfsg-4ubuntu1_amd64.deb ... Unpacking libroken18-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Selecting previously unselected package libasn1-8-heimdal:amd64. Preparing to unpack .../libasn1-8-heimdal_1.7~git20150920+dfsg-4ubuntu1_amd64.deb ... Unpacking libasn1-8-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Selecting previously unselected package libhcrypto4-heimdal:amd64. Preparing to unpack .../libhcrypto4-heimdal_1.7~git20150920+dfsg-4ubuntu1_amd64.deb ... Unpacking libhcrypto4-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Selecting previously unselected package libheimbase1-heimdal:amd64. Preparing to unpack .../libheimbase1-heimdal_1.7~git20150920+dfsg-4ubuntu1_amd64.deb ... Unpacking libheimbase1-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Selecting previously unselected package libwind0-heimdal:amd64. Preparing to unpack .../libwind0-heimdal_1.7~git20150920+dfsg-4ubuntu1_amd64.deb ... Unpacking libwind0-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Selecting previously unselected package libhx509-5-heimdal:amd64. Preparing to unpack .../libhx509-5-heimdal_1.7~git20150920+dfsg-4ubuntu1_amd64.deb ... Unpacking libhx509-5-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Selecting previously unselected package libkrb5-26-heimdal:amd64. Preparing to unpack .../libkrb5-26-heimdal_1.7~git20150920+dfsg-4ubuntu1_amd64.deb ... Unpacking libkrb5-26-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Selecting previously unselected package libheimntlm0-heimdal:amd64. Preparing to unpack .../libheimntlm0-heimdal_1.7~git20150920+dfsg-4ubuntu1_amd64.deb ... Unpacking libheimntlm0-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Selecting previously unselected package libgssapi3-heimdal:amd64. Preparing to unpack .../libgssapi3-heimdal_1.7~git20150920+dfsg-4ubuntu1_amd64.deb ... Unpacking libgssapi3-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Selecting previously unselected package libsasl2-modules-db:amd64. Preparing to unpack .../libsasl2-modules-db_2.1.26.dfsg1-14build1_amd64.deb ... Unpacking libsasl2-modules-db:amd64 (2.1.26.dfsg1-14build1) ... Selecting previously unselected package libsasl2-2:amd64. Preparing to unpack .../libsasl2-2_2.1.26.dfsg1-14build1_amd64.deb ... Unpacking libsasl2-2:amd64 (2.1.26.dfsg1-14build1) ... Selecting previously unselected package libldap-2.4-2:amd64. Preparing to unpack .../libldap-2.4-2_2.4.42+dfsg-2ubuntu3.1_amd64.deb ... Unpacking libldap-2.4-2:amd64 (2.4.42+dfsg-2ubuntu3.1) ... Selecting previously unselected package librtmp1:amd64. Preparing to unpack .../librtmp1_2.4+20151223.gitfa8646d-1build1_amd64.deb ... Unpacking librtmp1:amd64 (2.4+20151223.gitfa8646d-1build1) ... Selecting previously unselected package libcurl3-gnutls:amd64. Preparing to unpack .../libcurl3-gnutls_7.47.0-1ubuntu2.1_amd64.deb ... Unpacking libcurl3-gnutls:amd64 (7.47.0-1ubuntu2.1) ... Selecting previously unselected package liberror-perl. Preparing to unpack .../liberror-perl_0.17-1.2_all.deb ... Unpacking liberror-perl (0.17-1.2) ... Selecting previously unselected package git-man. Preparing to unpack .../git-man_1%3a2.7.4-0ubuntu1_all.deb ... Unpacking git-man (1:2.7.4-0ubuntu1) ... Selecting previously unselected package git. Preparing to unpack .../git_1%3a2.7.4-0ubuntu1_amd64.deb ... Unpacking git (1:2.7.4-0ubuntu1) ... Selecting previously unselected package golang-1.6-src. Preparing to unpack .../golang-1.6-src_1.6.2-0ubuntu5~16.04_amd64.deb ... Unpacking golang-1.6-src (1.6.2-0ubuntu5~16.04) ... Selecting previously unselected package golang-1.6-go. Preparing to unpack .../golang-1.6-go_1.6.2-0ubuntu5~16.04_amd64.deb ... Unpacking golang-1.6-go (1.6.2-0ubuntu5~16.04) ... Selecting previously unselected package golang-src. Preparing to unpack .../golang-src_2%3a1.6-1ubuntu4_amd64.deb ... Unpacking golang-src (2:1.6-1ubuntu4) ... Selecting previously unselected package golang-go. Preparing to unpack .../golang-go_2%3a1.6-1ubuntu4_amd64.deb ... Unpacking golang-go (2:1.6-1ubuntu4) ... Processing triggers for libc-bin (2.23-0ubuntu3) ... Setting up perl-modules-5.22 (5.22.1-9) ... Setting up libperl5.22:amd64 (5.22.1-9) ... Setting up perl (5.22.1-9) ... update-alternatives: using /usr/bin/prename to provide /usr/bin/rename (rename) in auto mode Setting up libroken18-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Setting up libasn1-8-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Setting up libhcrypto4-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Setting up libheimbase1-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Setting up libwind0-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Setting up libhx509-5-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Setting up libkrb5-26-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Setting up libheimntlm0-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Setting up libgssapi3-heimdal:amd64 (1.7~git20150920+dfsg-4ubuntu1) ... Setting up libsasl2-modules-db:amd64 (2.1.26.dfsg1-14build1) ... Setting up libsasl2-2:amd64 (2.1.26.dfsg1-14build1) ... Setting up libldap-2.4-2:amd64 (2.4.42+dfsg-2ubuntu3.1) ... Setting up librtmp1:amd64 (2.4+20151223.gitfa8646d-1build1) ... Setting up libcurl3-gnutls:amd64 (7.47.0-1ubuntu2.1) ... Setting up liberror-perl (0.17-1.2) ... Setting up git-man (1:2.7.4-0ubuntu1) ... Setting up git (1:2.7.4-0ubuntu1) ... Setting up golang-1.6-src (1.6.2-0ubuntu5~16.04) ... Setting up golang-1.6-go (1.6.2-0ubuntu5~16.04) ... Setting up golang-src (2:1.6-1ubuntu4) ... Setting up golang-go (2:1.6-1ubuntu4) ... Processing triggers for libc-bin (2.23-0ubuntu3) ...