问题解决方案汇总

[TOC]

vmware 14 黑屏问题

修复方法
命令窗口（管理员权限）netsh winsock reset ，重启电脑，搞定。

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HP elitebook 830 g5 缺少 insert 键的解决方案

FN+R = Break

FN+S = Sys Rq

FN+C = Scroll Lock

FN+E = Insert

FN+W = Pause

So CRTL ALT INSERT would be : CTRL+ALT+FN + E

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Snap proxy setting

在ubuntu 中 snap 作为一个systemd 的服务存在，位置在/lib/systemd/system/snapd.service要设置它的代理，直接使用

export http_proxy=xxxx

的方式是没用的，修改代理有两种方法。
方法1：添加专项代理，添加文件/etc/systemd/system/snapd.service.d/proxy.conf，内容为

[Service]
Environment="http_proxy=http://x.x.x.x:port"

然后重启snapd服务

systemctl daemon-reload
systemctl restart snapd

方法2
修改/etc/environment 文件,添加如下条目即可。

这个文件是系统层面的，影响范围较广。同时，除了root，其他用户无法修改。

http_proxy=http://x.x.x.x:port

snap docker（snpa.docker.dockerd.service） daemon.json 位置 ，两个位置都可以。

/var/snap/docker/current/config/daemon.json
/var/snap/docker/current/etc/docker/daemon.json  #此处未测试

microk8s 及其docker 代理设置

Configuring MicroK8s Services

Configuring MicroK8s services

The following systemd services will be running in your system:

• snap.microk8s.daemon-apiserver, is the kube-apiserver daemon started using the arguments in ${SNAP_DATA}/args/kube-apiserver
• snap.microk8s.daemon-controller-manager, is the kube-controller-manager daemon started using the arguments in ${SNAP_DATA}/args/kube-controller-manager
• snap.microk8s.daemon-scheduler, is the kube-scheduler daemon started using the arguments in ${SNAP_DATA}/args/kube-scheduler
• snap.microk8s.daemon-kubelet, is the kubelet daemon started using the arguments in ${SNAP_DATA}/args/kubelet
• snap.microk8s.daemon-proxy, is the kube-proxy daemon started using the arguments in ${SNAP_DATA}/args/kube-proxy
• snap.microk8s.daemon-containerd, is the containerd daemon started using the configuration in ${SNAP_DATA}/args/containerd and ${SNAP_DATA}/args/containerd-template.toml.
• snap.microk8s.daemon-etcd, is the etcd daemon started using the arguments in ${SNAP_DATA}/args/etcd

Normally, ${SNAP_DATA} points to /var/snap/microk8s/current.

To reconfigure a service you will need to edit the corresponding file and then restart the respective daemon. For example:

echo '-l=debug' | sudo tee -a /var/snap/microk8s/current/args/containerd
sudo systemctl restart snap.microk8s.daemon-containerd.service

Deploy behind a proxy

To let MicroK8s use a proxy enter the proxy details in ${SNAP_DATA}/args/containerd-env and restart the containerd daemon service with:

sudo systemctl restart snap.microk8s.daemon-containerd.service

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microk8s dashboard 访问

kubectl proxy --address=0.0.0.0 --accept-hosts=.*

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ubuntu

ubuntu 18.04 server DHCP 模式下 IP 重复，冲突

解决方法

mkdir -p /etc/netplan/50-cloud-init.yaml #名字可能不一样
# 内容如下
network:
    renderer: "networkd"
    ethernets:
        ens33:
                #addresses: [192.168.10.11/24]
                #gateway4: 192.168.10.2
                #nameservers:
                #    addresses: ["114.114.114.114","8.8.4.4"]
            dhcp4: true
            dhcp-identifier: mac #关键点，默认是使用RFC4361-compliant Client ID
    version: 2

参考资料