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魔方网表api记录

Jllin published on 2018-11-28 included in Operations

魔方网表API接口记录

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/s/json/{spaceId}/forms/{formId}?selector={selector} 　　　　##label就是名字，name就是字段id 
/s/json/{spaceId}/forms/{formId}/records/feed和/s/json/{spaceId}/forms/{formId}/records/feed?{query}　　　　##是记录列表的JSON接口
/s/json/{spaceId}/forms/{formId}/records/{recordId}　　　　　　##单条记录的JSON接口

Pycharm Set

Jllin published on 2018-11-22 included in Python

文件信息配置

打开pycharm，选择File-Settings
选择Editor–Color&Style–File and Templates–Python-Script

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##!/usr/bin/python3
# -*- coding: utf-8 -*-
# @Time    : ${DATE} ${TIME}
# @Author  : lin.chen
# @Email   : it@mulinux.com
# @File    : ${NAME}.py
# @Software: ${PRODUCT_NAME}

Deepin安装使用KVM

Jllin published on 2018-11-21 included in Operations

安装

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sudo apt-get install kvm qtemu ##安装kvm和qt前端
apt install qemu-kvm libvirt-clients qemu-utils libvirt-daemon-system    # deepin 15.8
sudo apt-get install qemu-system    #deepin 15.8

卸载

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sudo apt-get remove kvm qtemu ##卸载kvm和qt前端
apt-get install libvirt-bin virt-manager ##工作常用工具

ovf to qcow2

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sudo apt-get install qemu-utils
qemu-img convert -O qcow2 input.vmdk output.qcow2

Docker Image Management

Jllin published on 2018-10-16 included in Operations

Install Docker

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Centos6.6_x64
[root@web1 ~]# uname -a
Linux web1.mulinux.com 2.6.32-504.el6.x86_64 #1 SMP Wed Oct 15 04:27:16 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
[root@web1 ~]# yum install -y epel-release
[root@web1 ~]# yum install -y docker-io
[root@web1 ~]# /etc/init.d/docker start
[root@web1 ~]# ps aux | grep docker
root 1591 1.0 1.4 287656 14224 pts/0 Sl 18:30 0:00 /usr/bin/docker -d
root 1709 0.0 0.0 103244 864 pts/0 S+ 18:31 0:00 grep docker

Image Management

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[root@web1 ~]# docker pull centos
latest: Pulling from centos
47d44cb6f252: Pull complete 
6fdebd7b0eb5: Pull complete 
a63aae4d216f: Pull complete 
bb3d629a7cbc: Pull complete 
Digest: sha256:381f21e4c7b3724c6f420b2bcfa6e13e47ed155192869a2a04fa10f944c78476
Status: Downloaded newer image for centos:latest
[root@web1 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos latest bb3d629a7cbc 2 weeks ago 196.6 MB
[root@web1 ~]# docker tag centos mulinux123
[root@web1 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos latest bb3d629a7cbc 2 weeks ago 196.6 MB
mulinux123 latest bb3d629a7cbc 2 weeks ago 196.6 MB  
[root@web1 ~]# docker run -it centos /bin/bash #start a container from image
[root@32c67b2b18e0 /]# w
 12:30:01 up 2:09, 0 users, load average: 0.06, 0.01, 0.00
USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT
[root@32c67b2b18e0 /]# exit
exit
[root@web1 ~]# docker ps #list running containers
[root@web1 ~]# docker ps -a #list all containers including stopped
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
32c67b2b18e0 centos "/bin/bash" 2 minutes ago Exited (0) About a minute ago modest_kowalevski 
[root@web1 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos latest bb3d629a7cbc 2 weeks ago 196.6 MB
mulinux123 latest bb3d629a7cbc 2 weeks ago 196.6 MB
[root@web1 ~]# docker rmi bb3d629a7cbc #deleting by ID removes all images with same ID
[root@web1 ~]# docker rmi mulinux123
Untagged: mulinux123:latest
[root@web1 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos latest bb3d629a7cbc 2 weeks ago 196.6 MB
[root@web1 ~]# docker tag centos centos:mulinux
[root@web1 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos latest bb3d629a7cbc 2 weeks ago 196.6 MB
centos mulinux bb3d629a7cbc 2 weeks ago 196.6 MB
[root@web1 ~]# docker rmi centos:mulinux
Untagged: centos:mulinux
[root@web1 ~]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos latest bb3d629a7cbc 2 weeks ago 196.6 MB

Apache主机使用.htaccess文件实现301跳转

Jllin published on 2018-10-10 included in Operations

PHP主机301设置：

将以下规则添加到.htaccess文件

CentOS6/7开启nested嵌套虚拟化

Jllin published on 2018-10-06 included in Operations

启用nested

CentOS6

升级系统内核到Linux 3.X版本 rpm -ivh kernel-ml-3.18.3-1.el6.elrepo.x86_64.rpm 修改grub.conf vi /etc/grub.conf 将default=1改为default=0；且在 kernel 那一行的末端加上 “kvm-intel.nested=1”

Use Lvs

Jllin published on 2018-09-17 included in Operations

参考

http://kb.linuxvirtualserver.org/images/c/c8/LVS%E6%93%8D%E4%BD%9C%E6%89%8B%E5%86%8C.zip http://github.com/alibaba/LVS

HPGen9做万兆网卡直通时报错

Jllin published on 2018-08-18 included in Operations

vi /etc/grub2.cnf

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在内核那一行添加”intel_iommu=on“
重启后检查：cat /proc/cmdline | grep iommu

dmesg|grep -e DMAR -e IOMMU

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报错：vfio-pci 0000:04:00.3: Device is ineligible for IOMMU domain attach due to platform RMRR requirement. Contact your platform vendor.

根据报错在hp论坛查找到该错误信息

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https://support.hpe.com/hpsc/doc/public/display?sp4ts.oid=7271259&docId=emr_na-c04781229&docLocale=en_US

https://community.hpe.com/t5/ProLiant-Servers-ML-DL-SL/Device-is-ineligible-for-IOMMU-domain-attach-due-to-platform/td-p/6751904

通过lspci -vvv | grep Ethernet可以查看到网卡的具体型号

解决方案：

Hadoop2.6集群部署

Jllin published on 2018-07-15 included in Hadoop生态圈

上传hadoop和jdk安装包并解压

下载地址：

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http://mirror.bit.edu.cn/apache/hadoop/common
http://www.oracle.com/technetwork/java/javase/downloads/

下载并解压

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wget http://archive.apache.org/dist/hadoop/common/hadoop-2.6.0/hadoop-2.6.1.tar.gz
tar zxf jdk-8u172-linux-x64.tar.gz
mv jdk1.8.0_172 /usr/local/
tar zxf hadoop-2.6.0.tar.gz
mv hadoop-2.6.0 /usr/local/

添加环境变量

vi ~/.bashrc

2008r2用户自动登录

Jllin published on 2018-07-15 included in Operations

control userpasswords2

设置用户"要使用本机，用户必须输入用户名和密码"