linux修改网卡名称

linux修改网卡名称
一.问题说明 测试环境中出现的小问题,因为虚拟机之间经常复制来复制去,导致网卡配置这块的不一致现象。 配置文件的信息: [root@ora10g network-scripts]# catifcfg-eth0 DEVICE="eth0" NM_CONTROLLED="yes" ONBOOT=yes TYPE=Ethernet BOOTPROTO=none IPADDR=192.168.1.12 PREFIX=24 GATEWAY=192.168.1.1 DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=no NAME="System eth0" UUID=5fb06bd0-0bb0-7ffb-45f1-d6e...

Linux常用参数优化

Linux常用参数优化
#完整的内核参数优化 net.ipv4.ip_forward = 0 net.ipv4.conf.default.rp_filter = 1 net.ipv4.conf.default.accept_source_route = 0 kernel.sysrq = 0 kernel.core_uses_pid = 1 net.ipv4.tcp_syncookies = 1 kernel.msgmnb = 65536 kernel.msgmax = 65536 kernel.shmmax = 68719476736 kernel.shmall = 4294967296 net.ipv4.tcp_max_tw_buckets = 6000 net.ipv4.tcp_sack = 1 net.ipv4.tcp_window_sc...

ceph-deploy指定安装源和版本

ceph-deploy指定安装源和版本
通过阿里云安装ceph-hammer [root@lab8106 ~]# rm -rf /etc/yum.repos.d/ceph* [root@lab8106 ~]# ceph-deploy install lab8106 --repo-url=http://mirrors.aliyun.com/ceph/rpm-hammer/el7/ --gpg-url=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7 通过阿里云安装ceph-jewel [root@lab8106 ~]# yum clean all [root@lab8106 ~]# rm -rf /etc/yum.repos.d/ceph* [root@lab8106 ~]# ceph-deploy ins...