On Mon, Sep 12, 2016 at 3:12 PM, Nux! <nux at li.nux.ro> wrote: > Hi, > OS is CentOS7 with ocserv from EPEL, for versions check below. > ocserv: symbol lookup error: /lib64/libhogweed.so.2: undefined symbol: __gmpn_cnd_add_n Are you sure you don't have an alternative gmp installed? http://unix.stackexchange.com/questions/279377/debian-git-error-undefined-symbol-gmpn-cnd-add-n regards, Nikos