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Use Kvm

Jllin published on 2019-12-23 included in Operations

CentOS6部署kvm

安装

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yum install -y qemu-kvm.x86_64 qemu-kvm-tools.x86_64 python-virtinst.noarch qemu-img.x86_64 bridge-utils.x86_64 libvirt virt-manager yum -y groupinstall "desktop"

桥接网卡

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[root@KVM-PM ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0 
DEVICE=eth0
#HWADDR=52:54:00:57:40:40
TYPE=Ethernet
#UUID=fe15211b-a8fd-4497-9359-d57c792ff8e2
ONBOOT=yes
NM_CONTROLLED=no
BOOTPROTO=static
IPADDR=172.16.1.11
NETMASK=255.255.0.0
BRIDGE="br0"
[root@KVM-PM ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0 
DEVICE=br0
TYPE=Bridge
ONBOOT=yes
NM_CONTROLLED=no
BOOTPROTO=static
IPADDR=192.168.168.110
NETMASK=255.255.255.0
GATEWAY=192.168.168.1

CentOS7部署KVM

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yum groupinstall "fonts" "compat-libraries" "core" "development" "guest-agents" "virtualization-client" "virtualization-platform" "virtualization-tools"
yum install qemu-kvm python-virtinst virt-manager virt-top virt-viewer libvirt libvirt-client libvirt-python libguestfs-tools virt-install qemu-kvm-tools bridge-utils wget net-tools dejavu-lgc-sans-fonts xorg-x11-xauth xorg-x11-xinit xorg-x11-server-utils xorg-x11-font-utils xorg-x11-drv-ati-firmware
yum install virt-manager
yum install libvirt
yum info libvirtd
yum info libvirt
yum install qemu-kvm
yum install qemu-kvm-tools
service libvirtd start
systemctl start  libvirtd.service
systemctl enable  libvirtd.service
yum install xorg-x11-xauth
yum install xorg-x11-xauth xorg-x11-xinit xorg-x11-server-utils xorg-x11-font-utils xorg-x11-drv-ati-firmware
virt-manager
yum install dejavu-lgc-sans-fonts
yum install qemu-kvm libvirt virt-install bridge-utils
lsmod|grep kvm
brctl show
route
ip addr
yum install -y wget
yum install -y net-tools
cd /usr/local/src/
wget https://fedorapeople.org/groups/virt/virtio-win/virtio-win.repo -O /etc/yum.repos.d/virtio-win.repo
yum install -y virtio-win
virt-manager

桥接网卡

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[root@a43sv ~]# cat /etc/sysconfig/network-scripts/ifcfg-enp5s0 
TYPE=Ethernet
BOOTPROTO=static
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=enp5s0
UUID=557dfc61-71cf-4d38-86b3-2f135f862e54
DEVICE=enp5s0
ONBOOT=yes
BRIDGE=br0
[root@a43sv ~]# cat /etc/sysconfig/network-scripts/ifcfg-br0 
DEVICE=br0
TYPE="Bridge"
BOOTPROTO="static"
ONBOOT="yes"
DELAY="0"
STP="yes"
IPADDR=192.168.168.76
NETMASK=255.255.255.0
GATEWAY=192.168.168.1
DNS1=114.114.114.114
DNS2=129.29.29.29
NM_CONTROLLED=no

命令行创建windows2016

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virt-install \
--name w2k16 \
--os-type=windows \
--ram=2048 --vcpus=2 \
--disk /home/images/w2k16.qcow2,bus=virtio,size=50 \
--disk /home/images/virtio-win-0.1.171_amd64.vfd,device=floppy \
--cdrom=/home/images/cn_windows_server_2016_x64_dvd_9718765.iso \
--network bridge=br0,model=virtio \
--virt-type kvm

收缩镜像

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qemu-img convert -c -O qcow2 test.qcow2 test2.qcow2 # test2.qcow2是目标镜像
qemu-img convert -O qcow2 windows.qcow2 windows_new.qcow2
virt-sparsify --compress /tmp/centos.qcow2 centos-new.qcow2

清除网络相关硬件生成信息

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virt-sysprep -d centos7

Go学习图谱

Jllin published on 2019-07-30 included in Go

Go语言基础知识

Ubuntu Jupyter Notebook配置golang和python

Jllin published on 2019-07-23 included in Development

Jupyter配置golang和python

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sudo apt install golang
go env
jupyter kernelspec list
python --version
conda create -n py27 python=2.7
conda create -n py27 python=2.7 ipykernel
conda install --prefix=/home/mulinux/anaconda3/envs/py27 ipykernel
sudo apt-get install python2-pip
wget http://bootstrap.pypa.io/get-pip.py
sudo python2.7 get-pip.py
sudo pip2 install ipykernel
/root/anaconda3/envs/py27/bin/pip install backports.functools_lru_cache
/root/anaconda3/envs/py27/bin/pip install tornado==4.5.3
python2.7 -m ipykernel install --user
sudo apt-get install libzmq3-dev
sudo apt-get install pkg-config
go get -u github.com/gopherdata/gophernotes
mkdir -p ~/.local/share/jupyter/kernels/gophernotes
cp /home/mulinux/go/src/github.com/gopherdata/gophernotes/kernel/* ~/.local/share/jupyter/kernels/gophernotes
cd ~/.local/share/jupyter/kernels/gophernotes
chmod +w kernel.json
sudo ln -s $HOME/go/bin/gophernotes /usr/bin/gophernotes
gophernotes

sudo apt-get remove golang libzmq3-dev
清理系统：
sudo apt-get autoclean
sudo apt-get clean
sudo apt-get autoremove
sudo rm -rf /usr/lib/go-1.10
sudo rm -rf /home/mulinux/go
wget https://dl.google.com/go/go1.12.7.linux-amd64.tar.gz
tar -C /usr/local -xzf go$VERSION.$OS-$ARCH.tar.gz
export PATH=$PATH:/usr/local/go/bin

备注

jupyter notebook下不支持 package main和main函数的写法，会报runtime error: index out of range

Windows OOBE应答文件制作

Jllin published on 2019-07-12 included in Operations

系统映像管理器下载并安装

安装包下载链接

https://www.microsoft.com/en-us/download/details.aspx?id=39982

Powershell执行update-Help报错

Jllin published on 2019-07-12 included in Operations

报错信息

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Update-Help : 无法更新带有 UI 区域性 {zh-CN} 的模块“WindowsUpdateProvider”帮助: 在 HelpInfo XML 文件中检索不到 UI 区域性 zh-CN。确保模块清单中的 HelpInfoUri 属性有效或检查网络连接是否正常，然后重试该命令。
所在位置 行:1 字符: 1
+ Update-Help -Force
+ ~~~~~~~~~~~~~~~~~~
    + CategoryInfo : ResourceUnavailable: (:) [Update-Help], Exception
    + FullyQualifiedErrorId : UnableToRetrieveHelpInfoXml,Microsoft.PowerShell.Commands.UpdateHelpCommand

解决办法

Update-Help -ErrorAction SilentlyContinue

CentOS7重新部署ixgbe驱动

Jllin published on 2019-04-15 included in Operations

下载并安装

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yum install gcc make
微软官网下载ixgbe
tar -xvf ixgbe-5.3.7.tar.gz
cd ixgbe-5.3.7/src
make
modinfo ./ixgbe.ko
rmmod ixgbe.ko
modinfo ./ixgbe.ko | grep depend
modprobe dca
insmod ./ixgbe.ko
insmod ./ixgbe.ko FdirPballoc=3 RSS=16
dmesg
make install
modprobe ixgbe
modinfo ixgbe

参考

https://blog.csdn.net/u011846257/article/details/52350369 https://www.linuxidc.com/Linux/2015-06/118300.htm https://blog.csdn.net/zhang_danf/article/details/17758669

护眼背景色

Jllin published on 2019-03-17 included in Operations

护眼背景色

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c7edcc
002b35

CentOS7部署httpd2.4.8(需支持perl)

Jllin published on 2019-01-24 included in Operations

依赖包安装

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yum -y install  gcc gcc-c++ make zlib zlib-devel openssl expat-devel  openssl-devel pcre pcre-devel
相关包下载地址：https://mirrors.tuna.tsinghua.edu.cn/apache/
apr-1.6.5.tar.gz
apr-util-1.6.1.tar.gz
httpd-2.4.37.tar.gz

安装

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./configure --prefix=/usr/local/apr
#rm如果报错，修改configure文件，RM='$RM' 修改为RM='$RM -f'
make && make install
安装apr-util
./configure --prefix=/usr/local/apr-util --with-apr=/usr/local/apr/
make && make install
安装httpd
./configure \
--prefix=/usr/local/apache/ \
--with-apr=/usr/local/apr/ \
--with-apr-util=/usr/local/apr-util/ \
--enable-so \
--enable-ssl\
--enable-alib\
--with-ssl\
--with--pcre\
--enable-deflate=shared \
--enable-expires=shared \
--enable-rewrite=shared \
--enable-static-support
make && make install

mod_perl支持

otrs系统原本使用的是centos yum安装的httpd2.4.6版本，因安全基线要求，编译了2.4.38至/usr/local/apache目录下，因程序是perl，所以需要添加mod_perl支持 cp /usr/lib64/httpd/modules/mod_perl.so /usr/local/apache/modules/

Python 开发环境

Jllin published on 2019-01-19 included in Development

python开发环境

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git clone https://github.com/pyenv/pyenv-virtualenv.git $(pyenv root)/plugins/pyenv-virtualenv
echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.bash_profile
echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.zshenv
exec "$SHELL"
pyenv virtualenv 3.6.9 ops-drf-env-3.6.9
pyenv activate ops-drf-env-3.6.9
pip install Django==1.11
pip install MySQLdb

齐治堡垒机Shterm Api Python调用示例

Jllin published on 2019-01-11 included in Python Development

通过接口管理shterm

以下是示例代码，可根据接口文档进行编写自己的管理代码。