This is my linux version information CentOS Linux release 7.0.1406 (Core)
,
and my iptables version is v1.4.21
After I installed docker using the command yum install docker
,
I am trying to start docker with the command service docker start
, but I can't start docker.
The error message received is
[root@ssd-master ~]# systemctl status docker.service
docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled)
Active: failed (Result: exit-code) since Fri 2015-01-30 15:20:28 KST; 7s ago
Docs: http://docs.docker.com
Process: 54831 ExecStart=/usr/bin/docker -d $OPTIONS $DOCKER_STORAGE_OPTIONS (code=exited, status=1/FAILURE)
Main PID: 54831 (code=exited, status=1/FAILURE)
Jan 30 15:20:28 ssd-master docker[54831]: 2015/01/30 15:20:28 docker daemon: 1.3.2 39fa2fa/1.3.2; execdriver: native; graphdriver:
Jan 30 15:20:28 ssd-master docker[54831]: [a20f268b] +job serveapi(fd://)
Jan 30 15:20:28 ssd-master docker[54831]: [a20f268b] +job init_networkdriver()
Jan 30 15:20:28 ssd-master docker[54831]: [info] Listening for HTTP on fd ()
Jan 30 15:20:28 ssd-master docker[54831]: Unable to enable network bridge NAT: iptables failed: iptables --wait -I POSTROUTING -t nat -s 172.17.42.1/16 ! -o ...o insmod?)
Jan 30 15:20:28 ssd-master docker[54831]: Perhaps iptables or your kernel needs to be upgraded.
Jan 30 15:20:28 ssd-master docker[54831]: (exit status 3)
Jan 30 15:20:28 ssd-master docker[54831]: [a20f268b] -job init_networkdriver() = ERR (1)
Jan 30 15:20:28 ssd-master docker[54831]: 2015/01/30 15:20:28 (exit status 3)
Jan 30 15:20:28 ssd-master systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE
Jan 30 15:20:28 ssd-master systemd[1]: Failed to start Docker Application Container Engine.
Jan 30 15:20:28 ssd-master systemd[1]: Unit docker.service entered failed state.
Hint: Some lines were ellipsized, use -l to show in full.
This is the output of lsmod | grep -E 'iptable|nat|conntrack'
nf_conntrack_ipv6 18738 4
nf_defrag_ipv6 34841 1 nf_conntrack_ipv6
nf_conntrack_ipv4 14656 0
nf_defrag_ipv4 12758 1 nf_conntrack_ipv4
xt_conntrack 12760 4
nf_conntrack 105026 4 xt_state,xt_conntrack,nf_conntrack_ipv4,nf_conntrack_ipv6
ebtable_nat 12807 0
ebtables 35009 3 ebtable_broute,ebtable_nat,ebtable_filter
iptable_mangle 12695 1
iptable_security 12705 1
iptable_raw 12678 1
iptable_filter 12810 1
ip_tables 27240 4 iptable_security,iptable_filter,iptable_mangle,iptable_raw
iptable_security,iptable_filter,iptable_mangle,iptable_raw
# make menuconfig
--> Networking support
--> Networking options
--> Network packet filtering framework
open those NAT, NF_NAT related options
recompile, reboot the new kernel
# make all
# make modules_install
# make install
after that, # lsmod | grep nat , if those modules shows, it should work.