Hi ,
Updated main node to proxmox 5 / Debian 9 - still same effect .
inside the VPS ( cat /etc/*release; yum list libcap* ) :
cat /etc/*release; yum list libcap*
CentOS release 6.9 (Final)
LSB_VERSION=base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
CentOS release 6.9 (Final)
CentOS release 6.9 (Final)
Loaded plugins: fastestmirror, presto, priorities, protectbase, replace
Loading mirror speeds from cached hostfile
mratwork-epel/metalink | 22 kB 00:00
* base: centosmirror.netcup.net
* extras: mirror.softaculous.com
* mratwork-epel: mirror.daniel-jost.net
* mratwork-ius-archive: mirror.amsiohosting.net
* mratwork-ius-stable: mirror.amsiohosting.net
* mratwork-release-neutral-noarch: rpms.mratwork.com
* mratwork-release-version-arch: rpms.mratwork.com
* mratwork-webtatic: uk.repo.webtatic.com
* updates: mirror.tobias-wollmann.com
base | 3.7 kB 00:00
extras | 3.4 kB 00:00
mratwork-google-mod-pagespeed | 951 B 00:00
mratwork-ius-archive | 2.4 kB 00:00
mratwork-ius-archive/primary_db | 3.6 MB 00:00
mratwork-ius-stable | 2.3 kB 00:00
mratwork-ius-stable/primary_db | 227 kB 00:00
mratwork-mariadb | 2.9 kB 00:00
mratwork-nginx | 2.9 kB 00:00
mratwork-nginx-stable | 2.9 kB 00:00
mratwork-release-neutral-noarch | 1.3 kB 00:00
mratwork-release-neutral-noarch/primary | 131 kB 00:00
mratwork-release-neutral-noarch 455/455
mratwork-release-version-arch | 1.2 kB 00:00
mratwork-varnish-3.0 | 951 B 00:00
mratwork-webtatic | 3.6 kB 00:00
updates | 3.4 kB 00:00
vz-base | 951 B 00:00
vz-updates | 951 B 00:00
0 packages excluded due to repository protections
Installed Packages
libcap.x86_64 2.16-5.5.el6 installed
libcap-ng.x86_64 0.6.4-3.el6_0.1 @base
Available Packages
libcap.i686 2.16-5.5.el6 base
libcap-devel.i686 2.16-5.5.el6 base
libcap-devel.x86_64 2.16-5.5.el6 base
libcap-ng.i686 0.6.4-3.el6_0.1 base
libcap-ng-devel.i686 0.6.4-3.el6_0.1 base
libcap-ng-devel.x86_64 0.6.4-3.el6_0.1 base
libcap-ng-python.x86_64 0.6.4-3.el6_0.1 base
libcap-ng-utils.x86_64 0.6.4-3.el6_0.1 base
Proxmox suggests recompiling the proftpd manually, which seems crazy, so maybe you have another solution here ?
Thanks