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CentOS6.5以前,内核不支持网络namespace,需要升级内核和iproute。CentOS6.5以后内核已支持网络namespace,只需要升级iproute即可。
我的系统版本是6.7的。介绍2个方法,亲测可用。
[root@centos67 ~]# cat /etc/redhat-release
CentOS release 6.7 (Final)
[root@centos67 ~]# uname -r
2.6.32-573.el6.x86_64
方法一:升级iproute
yum install -y http://rdo.fedorapeople.org/rdo-release.rpm
修改地址
cat /etc/yum.repos.d/rdo-release.repo
[openstack-kilo]
name=OpenStack Kilo Repository
baseurl=https://repos.fedorapeople.org/repos/openstack/EOL/openstack-icehouse/epel-6/
skip_if_unavailable=0
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-RDO-kilo
安装iproute
yum install -y iproute
方法二:升级内核
通过yum快速升级CentOS 6.x 内核到3.1.0
# rpm -ivh http://www.elrepo.org/elrepo-release-6-5.el6.elrepo.noarch.rpm
# yum --enablerepo=elrepo-kernel install kernel-lt -y
在grub.conf中确定装好的内核在哪个位置:
# vi /etc/grub.conf
default=0
重启系统,查看内核信息
[root@centos67 ~]# uname -r
3.10.94-1.el6.elrepo.x86_64
更新iproute软件包
yum install -y http://rdo.fedorapeople.org/rdo-release.rpm
修改地址
cat /etc/yum.repos.d/rdo-release.repo
[openstack-kilo]
name=OpenStack Kilo Repository
baseurl=https://repos.fedorapeople.org/repos/openstack/EOL/openstack-icehouse/epel-6/
skip_if_unavailable=0
enabled=1
gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-RDO-kilo
升级iprpute 软件包
# yum upgrade iproute
[root@centos67 ~]# rpm -qa|grep iproute
iproute-2.6.32-130.el6ost.netns.2.x86_64
完毕!
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