docker服务配置代理服务器拉取官方镜像

docker服务配置代理服务器拉取官方镜像
First, create a systemd drop-in directory for the docker service: mkdir /etc/systemd/system/docker.service.d Now create a file called /etc/systemd/system/docker.service.d/http-proxy.conf that adds the HTTP_PROXY environment variable: [Service] Environment="HTTP_PROXY=http://proxy.example.com:80/" If you have internal Docker registries that you need to conta...

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...

ceph 常用命令

ceph 常用命令
一、集群 1、启动一个ceph 进程 启动mon进程 service ceph start mon.node1 启动msd进程 service ceph start mds.node1 启动osd进程 service ceph start osd.0 2、查看机器的监控状态 [root@client ~]# ceph health HEALTH_OK 3、查看ceph的实时运行状态 [root@client ~]# ceph -w cluster be1756f2-54f7-4d8f-8790-820c82721f17 health HEALTH_OK monmap e2: 3 mons at {node1=10.240.240.211:6789/0,node2=10.240.240.21...

ceph安装部署

ceph安装部署
mon节点:hp-server-6 、hp-server-7 、hp-server-8 osd节点:hp-server-1 、hp-server-2 、hp-server-3 、hp-server-4 、hp-server-5 、hp-server- 6、hp-server-7 、hp-server-8 Ceph安装 准备 1、每台主机设置主机名,如WH-hp-server-1 2、设置hosts vim etc/hosts 172.16.10.1 WH-hp-server-1 3、部署节点到其他节点使用comall用户ssh无密码登录 4、安装ntp服务器,关闭selinux和防火墙。 1、部署节点更改ceph源 centos7(此ceph源为阿里云提供,只支持centos...

linux多线程执行命令(扫描存活主机)

linux多线程执行命令(扫描存活主机)
#!/usr/bin/env python from threading import Thread import subprocess from Queue import Queue import time num_threads=10 iprange='192.168.230.' ips=[] iplist=range(250) for i in iplist: ips.append(iprange+str(i)) #print ips #time.sleep(5) #ips=['127.0.0.1','116.56.148.187','192.168.230.1','192.168.230.2','192.168.230.4'] q=Queue() def pingme(i,qu...

python邮件告警脚本

python邮件告警脚本
[root@localhost alertscripts]# pwd /usr/local/zabbix/share/zabbix/alertscripts [root@localhost alertscripts]# ls sendmail.py sendmail.sh.bak [root@localhost alertscripts]#sendmail.py [root@localhost alertscripts]# ./sendmail.py ‘收件人’ ‘主题’ ‘内容’ ------------------------------------------------------------------------------------------- #!/usr/bin/env python #co...