sudo apt install curl gnupg2 ca-certificates lsb-release ubuntu-keyring curl https://nginx.org/keys/nginx_signing.key | gpg --dearmor \ | sudo tee /usr/share/keyrings/nginx-archive-keyring.gpg >
依赖环境:sudo apt install zipsudo apt install unzipsudo apt install default-jresudo apt install openjdk-11-jre-headlesssudo apt install openjdk-8-jre-headlesssudo apt install openjdk-8-jdksudo apt install
sudo systemctl stop mysqlsudo mysqld_safe --skip-grant-tables &提示报错:2025-10-23T07:05:18.622509Z mysqld_safe Logging to '/var/log/mysql/error.log'.2025-10-23T07:05:18.624628Z mysqld_safe Directory
Zabbix Serve升级成7.4,之前的proxy是6.4的,发现无法获取到监控的host的状态,进入7.4界面查询proxy状态,提示不兼容6.4先删除之前的安装sudo systemctl stop zabbix-proxysudo rm /etc/zabbix/zabbix_proxy.confsudo apt autoremove zabbix-proxy-mysql zabbix-s
系统提示硬盘有坏道需要更换更换硬盘有一些基本原则The Replace Drive button only appears when all the following criteria are met:Your Synology NAS must contain at least one unused drive. Your storage pool must be in one of the
GUI版本,这里有2个有意思的选项Deny和Reject,查询后发现Deny是直接drop掉来访,Reject是拒绝但是会回告对方详细解析:Deny (or Drop):When a rule is set to "deny," the firewall silently discards the incoming packets without sending any response to t
有部机器暴露在外围,时不时会收到邮件告警,提示CPU使用率高,去查询后发现是不断有不明IP前来扫描端口和尝试连接导致。安装:sudo apt install fail2ban主要的设定如下:/etc/jail.confbantime:需要阻挡的时间,单位是秒,因此1天就是86400秒findtime: 10分钟,就是10分钟内5次尝试错误就ban掉maxretry: 默认5次启用服务:sudo s
此设定用于内网虚拟机的环境1.- 允许ping,Firewall setting2.- 允许RDP3.- 禁用防火墙
1.- 创建一个core device创建1部EC2作为core device,过程如下复制相关命令在EC2上跑即可,完成后检查:/greengrass/v2/bin/greengrass-cli -V2.- 创建componentcomponents consist of two types of files:--artifact, The artifact files contain the
架构如下图1.- 创建IoT Thing我是用Windows作为Thing端,需要安装的环境:python3, git, pip3, psutil进入AWS IoT Console页面 --> Connect on device打开powershell,按照提示的命令运行修改如下文件,添加一些代码处理电脑的CPU信息然后再次运行start.ps12.- 创建Timestream
S3启用了Server-side encryption (SSE-KMS)使用rclone 访问aws transfer上挂在的S3 下载或者上传文件时提示permission denied这时需要在AWS Transfer Family上设置KMS支持transfer family的role更新如下policy{ "Version": "2012-10-17", "Stateme
1.- 创建S3 bucket,跟LB同一个region输入名字,其它默认即可2.- 添加bucket policy注意这2个地方region不同的话,这个account-id也不一样,可以在这里查询:https://docs.aws.amazon.com/elasticloadbalancing/latest/application/enable-access-logging.htmlpolic
1.- 下载最新版:https://s3.amazonaws.com/ec2-downloads-windows/SSMAgent/latest/windows_amd64/AmazonSSMAgentSetup.exe2.- Powershell执行:Restart-Service AmazonSSMAgent
1.- 先将文件夹列表出来,生成文件 ls /chip/ica/CP/ >> /home/ubuntu/chip.txt2.- 设定monit脚本,通过过文件滤内容实现监控,设置好已存在需要忽略监控的文件夹,同时加上需要监控的新建文件夹名规则实现监控,具体如下:check file chip_New_Folder with path /home/ubuntu/chip.txt &nbs
创建好bridge后:https://blog.51cto.com/helpdesk/13612152QEMU网络使用默认的网络即可,不需更改虚拟机网络需要填写bridge网络如果不通,可以尝试切换一下网卡Device model
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