个人学习记录
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发表于

install

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curl -fsSL https://get.docker.com | bash
curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun

daemon

/etc/docker/daemon.json

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{
  "registry-mirrors": ["https://mirror.ccs.tencentyun.com"]
}
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systemctl daemon-reload
systemctl restart docker

qinglong

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docker exec -it qinglong bash -c "$(curl -fsSL https://raw.githubusercontent.com/yanyuwangluo/VIP/main/Scripts/sh/1customCDNN.sh)"
docker exec -it qinglong pnpm config set registry https://registry.npmmirror.com
docker exec -it qinglong pnpm install -g axios@1.6.7

发表于

c#

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static double GetPercentValue(int[] arr, int idx, int precision)
{
	if ((arr.Length - 1) < idx)
	{
		return 0;
	}
	//求和
	double sum = 0;
	for (int i = 0; i < arr.Length; i++)
	{
		sum += arr[i];
	}
	//10的2次幂是100，用于计算精度。
	double digits = Math.Pow(10, precision);
	//扩大比例100
	double[] votesPerQuota = new double[arr.Length];
	for (int i = 0; i < arr.Length; i++)
	{
		double val = arr[i] / sum * digits * 100;
		votesPerQuota[i] = val;
	}
	//总数,扩大比例意味的总数要扩大
	double targetSeats = digits * 100;
	//再向下取值，组成数组
	double[] seats = new double[arr.Length];
	for (int i = 0; i < votesPerQuota.Length; i++)
	{
		seats[i] = Math.Floor(votesPerQuota[i]);
	}
	//再新计算合计，用于判断与总数量是否相同,相同则占比会100%
	double currentSum = 0;
	for (int i = 0; i < seats.Length; i++)
	{
		currentSum += seats[i];
	}
	//余数部分的数组:原先数组减去向下取值的数组,得到余数部分的数组
	double[] remainder = new double[arr.Length];
	for (int i = 0; i < seats.Length; i++)
	{
		remainder[i] = votesPerQuota[i] - seats[i];
	}
	while (currentSum < targetSeats)
	{
		double max = 0;
		int maxId = 0;
		for (int i = 0; i < remainder.Length; ++i)
		{
			if (remainder[i] > max)
			{
				max = remainder[i];
				maxId = i;
			}
		}
		//对最大项余额加1
		++seats[maxId];
		//已经增加最大余数加1,则下次判断就可以不需要再判断这个余额数。
		remainder[maxId] = 0;
		//总的也要加1,为了判断是否总数是否相同,跳出循环。
		++currentSum;
	}
	// 这时候的seats就会总数占比会100%
	return seats[idx] / digits;
}

js

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function getPercentValue(arrList, index, precision) {
	//arrList要计算数据的数组
	//index要计算数组中值的下表
	//precision百分比保留几位小数，默认保留2位小数
	// 判断是否为空
	if (!arrList[index]) {
		return 0;
	}
	 if (!precision) precision = 2;
	// 求和
	let sum = arrList.reduce(function(acc, val) {
		return acc + (isNaN(val) ? 0 : val);
	}, 0);
	if (sum === 0) {
		return 0;
	}
	// 10的2次幂是100，用于计算精度。
	let digits = Math.pow(10, precision);
	// 扩大比例100，
	let votesPerQuota = arrList.map(function(val) {
		return (isNaN(val) ? 0 : val) / sum * digits * 100;
	});
	// 总数，扩大比例意味的总数要扩大
	let targetSeats = digits * 100;
	// 再向下取值，组成数组
	let seats = votesPerQuota.map(function(votes) {
		return Math.floor(votes);
	});
	// 再新计算合计，用于判断与总数量是否相同，相同则占比会100%
	let currentSum = seats.reduce(function(acc, val) {
		return acc + val;
	}, 0);
	// 余数部分的数组：原先数组减去向下取值的数组，得到余数部分的数组
	let remainder = votesPerQuota.map(function(votes, index) {
		return votes - seats[index];
	});
	// 给最大最大的余额加1，凑个占比100%；
	while (currentSum < targetSeats) {
		//  找到下一个最大的余额，给其加1
		let max = Number.NEGATIVE_INFINITY;
		let maxId = null;
		for (let i = 0, len = remainder.length; i < len; ++i) {
			if (remainder[i] > max) {
				max = remainder[i];
				maxId = i;
			}
		}
		// 对最大项余额加1
		++seats[maxId];
		// 已经增加最大余数加1，则下次判断就可以不需要再判断这个余额数。
		remainder[maxId] = 0;
		// 总的也要加1，为了判断是否总数是否相同，跳出循环。
		++currentSum;
	}
	// 这时候的seats就会总数占比会100%
	return seats[index] / digits;
}

发表于

货币

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123456.789.toLocaleString('zh', { style: 'currency', currency: 'CNY' })

百分比

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0.75.toLocaleString('zh', { style: 'percent' })

相对时间

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Vue.filter('relativeTime', (date) => {
  const diff = dayjs().diff(date, 'day')
  if (diff === 0) {
    return dayjs(date).format('HH:mm')
  } else if (diff === 1) {
    return '昨天'
  } else if (diff < 7) {
    return dayjs(date).format('dddd')
  } else if (diff < 365) {
    return dayjs(date).format('M月DD日')
  } else {
    return dayjs(date).format('YYYY年M月DD日')
  }
})

发表于

master

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hostnamectl set-hostname master
curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
systemctl start docker
curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn INSTALL_K3S_VERSION=v1.25.16+k3s4 sh -
kubectl apply -f https://github.com/kubesphere/ks-installer/releases/download/v3.4.1/kubesphere-installer.yaml
kubectl apply -f https://github.com/kubesphere/ks-installer/releases/download/v3.4.1/cluster-configuration.yaml
kubectl logs -n kubesphere-system $(kubectl get pod -n kubesphere-system -l 'app in (ks-install, ks-installer)' -o jsonpath='{.items[0].metadata.name}') -f
cat /var/lib/rancher/k3s/server/node-token

worker

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hostnamectl set-hostname worker1
curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
systemctl start docker
curl -sfL https://rancher-mirror.rancher.cn/k3s/k3s-install.sh | INSTALL_K3S_MIRROR=cn INSTALL_K3S_VERSION=v1.25.16+k3s4 K3S_URL=https://192.168.50.233:6443 K3S_TOKEN=K1053cd1df05427f26a1896a4293384beef1f5c75dd88fa890d5ff61309cdcd8db1::server:9df8472964caca47444865fa7d39517e sh -

发表于 
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-- 创建角色
CREATE ROLE [erp_role]
GO
-- 创建用户
CREATE LOGIN [erp_user] WITH PASSWORD = '123456'
GO
CREATE USER [erp_user] FOR LOGIN [erp_user]
GO
-- 将用户添加到角色
EXEC sp_addrolemember 'erp_role', 'erp_user'
GO
-- 授予角色表权限
GRANT SELECT, INSERT, UPDATE, DELETE ON [user] TO [erp_role]
GO

发表于

pve_source

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wget -q -O /root/pve_source.tar.gz 'https://bbs.x86pi.cn/file/topic/2024-01-06/file/24f723efc6ab4913b1f99c97a1d1a472b2.gz' && tar zxvf /root/pve_source.tar.gz && /root/./pve_source

创建 ipv4 虚拟机

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curl -L https://raw.githubusercontent.com/oneclickvirt/pve/main/scripts/buildvm_extra_ip.sh -o buildvm_extra_ip.sh && chmod +x buildvm_extra_ip.sh
./buildvm_extra_ip.sh 100 root 123456 2 4096 20 debian12 local N

创建 nat 虚拟机

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curl -L https://raw.githubusercontent.com/oneclickvirt/pve/main/scripts/buildvm.sh -o buildvm.sh && chmod +x buildvm.sh
./buildvm.sh 100 root 123456 1 1024 10 50022 50080 50443 50500 50900 debian12 local Y

创建 windows 虚拟机

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chmod +x buildvm_windows_server_2022.sh
./buildvm_windows_server_2022.sh 100

删除虚拟机

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curl -L https://raw.githubusercontent.com/oneclickvirt/pve/main/scripts/pve_delete.sh -o pve_delete.sh && chmod +x pve_delete.sh
./pve_delete.sh 100

硬盘直通

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ls /dev/disk/by-id/
qm set 100 --scsi1 /dev/disk/by-id/ata-ST1000DM010-2EP102_W9AHV3Q3

qemu-guest-agent

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apt install qemu-guest-agent -y
systemctl enable qemu-guest-agent
systemctl start qemu-guest-agent

发表于

install

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Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))

packages

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choco install chocolateygui -y
choco install googlechrome -y --ignore-checksums
choco install geekuninstaller -y
choco install notepadplusplus.install -y
choco install git.install -y
choco install tortoisegit -y
choco install nvm.install -y
choco install vscode.install -y
choco install docker-desktop -y

发表于

nvm

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nvm node_mirror https://npmmirror.com/mirrors/node/
nvm npm_mirror https://npmmirror.com/mirrors/npm/

npm

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npm config get registry
npm config set registry https://registry.npmmirror.com
npm config set registry https://registry.npmjs.org

yarn

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yarn config get registry
yarn config set registry https://registry.npmmirror.com

pnpm

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pnpm config get registry
pnpm config set registry https://registry.npmmirror.com

git

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git config credential.helper store
git config --global --add safe.directory "*"

时间段重叠

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a_start <= b_end and a_end >= b_start

发表于

dd

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wget --no-check-certificate -qO InstallNET.sh 'https://raw.githubusercontent.com/leitbogioro/Tools/master/Linux_reinstall/InstallNET.sh' && chmod a+x InstallNET.sh
bash InstallNET.sh -debian 12 -pwd ''
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curl -O https://raw.githubusercontent.com/bin456789/reinstall/main/reinstall.sh || wget -O reinstall.sh $_
bash reinstall.sh debian 12
bash reinstall.sh windows --image-name 'Windows Server 2022 SERVERDATACENTER' --lang zh-cn

ovz/lxc

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wget -qO OsMutation.sh https://raw.githubusercontent.com/LloydAsp/OsMutation/main/OsMutation.sh && chmod u+x OsMutation.sh && ./OsMutation.sh

1panel

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curl -sSL https://resource.fit2cloud.com/1panel/package/quick_start.sh -o quick_start.sh && bash quick_start.sh

mount

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ls /dev/disk/by-id/
mkfs.ext4 -F /dev/disk/by-id/ata-ST1000DM010-2EP102_W9AHV3Q3
mkdir /data
mount -o discard,defaults /dev/disk/by-id/ata-ST1000DM010-2EP102_W9AHV3Q3 /data
echo '/dev/disk/by-id/ata-ST1000DM010-2EP102_W9AHV3Q3 /data ext4 defaults,nofail,discard 0 0' | tee -a /etc/fstab
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lsblk
mkfs.ext4 -F /dev/vdb
echo '/dev/vdb /data ext4 defaults 0 0' >> /etc/fstab

github

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sed -i "/# GitHub520 Host Start/Q" /etc/hosts && curl https://raw.hellogithub.com/hosts >> /etc/hosts

禁用 IPV6

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echo "net.ipv6.conf.all.disable_ipv6=1" >> /etc/sysctl.conf && sysctl -p

nat64

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echo -e "nameserver 2a00:1098:2b::1\nnameserver 2a00:1098:2c::1\nnameserver 2a01:4f8:c2c:123f::1" > /etc/resolv.conf

iptables

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apt install iptables -y
iptables -t nat -A PREROUTING -p tcp --dport 111 -j REDIRECT --to-port 222
apt install iptables-persistent -y

ssh

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sed -i 's/#\?PermitRootLogin.*/PermitRootLogin yes/' /etc/ssh/sshd_config && systemctl restart sshd
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ssh-keygen -t rsa

/etc/ssh/sshd_config

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PubkeyAuthentication yes
AuthorizedKeysFile .ssh/id_rsa.pub
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systemctl restart sshd