I am using fedora 27, glibc 2.26-15.fc27 is the lowest possible option for hamachi,
dnf downgrade glibc glibc-common glibc-devel glibc-headers
Package glibc of lowest version already installed, cannot downgrade it.
Package glibc-common of lowest version already installed, cannot downgrade it.
Package glibc-devel of lowest version already installed, cannot downgrade it.
Package glibc-headers of lowest version already installed, cannot downgrade it.
Error: No packages marked for downgrade.
11.15 15:29:02.976 cfg: load()
11.15 15:29:02.976 dbg: deploy_id '' parse failed
11.15 15:29:02.976 cfg: hkc set: [2048] [2048]
11.15 15:29:02.976 cfg: save()
11.15 15:29:02.983 cfg: hks: [0] [2048]
11.15 15:29:02.983 cfg: hkc: [0] [2048] [2048]
11.15 15:29:02.983 starting up ..
11.15 15:29:02.983 sys: version linux-2.1.0.165
11.15 15:29:02.983 sys: os Linux 4.13.12-300.fc27.x86_64 #1 SMP Wed Nov 8 16:38:01 UTC 2017 x86_64
11.15 15:29:02.983 vpn: IPv6 support is: 3
11.15 15:29:02.984 ipc: 5 listening at /var/run/logmein-hamachi/ipc.sock
11.15 15:29:02.984 avc: start
11.15 15:29:02.984 avc: retry [1]
11.15 15:29:03.034 avc: retry [2]
11.15 15:29:03.084 avc: retry [3]
11.15 15:29:03.135 avc: retry [4]
11.15 15:29:03.185 avc: retry [5]
11.15 15:29:03.235 avc: warning, avc not ready, fallback 1
11.15 15:29:03.235 resolv: url has ip on it
11.15 15:29:03.235 sys: initializing vpn domains, vpn-reinstall = 0 ..
11.15 15:29:03.235 vpn: added [Hamachi] domain (not roaming)
11.15 15:29:03.235 dbg: setup_vpn_domain [Hamachi]
11.15 15:29:03.236 dbg: vpn_domain::config - [Hamachi]
11.15 15:29:03.236 vpn: switched [Hamachi] domain into L3 mode, 25.23.19.146/255.0.0.0
11.15 15:29:03.236 dbg: enable(Hamachi), locked: 0
11.15 15:29:03.236 vpn: domain [Hamachi] -> 'VPN_opening'
11.15 15:29:03.236 vpn: enabling [Hamachi] domain ..
11.15 15:29:03.236 vpn: on_set_tapdev(, 1) -> ok
11.15 15:29:03.237 tap: device ham0 opened
11.15 15:29:03.237 vpn: domain [Hamachi] -> 'VPN_up'
11.15 15:29:03.237 dbg: setup_vpn_domain [Hamachi]
11.15 15:29:03.237 dbg: vpn_domain::config - [Hamachi]
11.15 15:29:03.237 vpn: domain [Hamachi] -> 'VPN_setting_up'
11.15 15:29:03.237 tap: config(ham0, 25.23.19.146, 255.0.0.0, [/96])
11.15 15:29:03.238 tap: if_config() -> 1
11.15 15:29:03.238 vpn: tap config done, [ok]
11.15 15:29:03.238 vpn: domain [Hamachi] -> 'VPN_up'
11.15 15:29:03.238 vpn: added [Null] domain (not roaming)
11.15 15:29:03.238 dbg: setup_vpn_domain [Null]
11.15 15:29:03.238 dbg: vpn_domain::config - [Null]
11.15 15:29:03.241 sys: connmgr_go_online, reconnect 1
11.15 15:29:03.254 ses: on_conn_state(connected, 0x0)
11.15 15:29:03.254 ses: select conn mode 'dns lb'
11.15 15:29:03.254 ses: go_offline, keep_tunnels 1, login_on_relaunch 0, actual state 4 ..
11.15 15:29:03.267 sys: go_online, reconnect 1
11.15 15:29:03.273 ses: resolving hamachi-dc.logmein-gateway.com ..
11.15 15:29:03.273 vpn: arp, 25.23.19.146 is at 7a:79:19:17:13:92
11.15 15:29:03.362 ses: resolving hamachi-list.10.logmein-gateway.com ..
hamachid: relocation error: hamachid: symbol __res_maybe_init, version GLIBC_PRIVATE not defined in file libc.so.6 with link time reference
We are using hamachi in our company for a long time. Ia m sorry but just stating in faq is not enough. We need a solution.