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Check Command Exists

Bash Snippets

if which iptables-save >/dev/null 2>&1; then echo "exists" else echo "empty" fi

Updated 1 week ago by kugarocks

Check File Exists

Bash Snippets

FILE="/etc/iptables/rules.v4" if [ -f "$FILE" ]; then echo "$FILE exists" else echo "$F...

Updated 1 week ago by kugarocks

Beep Code

Server Troubleshooting

服务器发出蜂鸣声(beep/buzzer)通常是在 硬件或系统发现异常时发出的报警声,具体原因需要结合 蜂鸣声的长短、次数、频率 来分析。我们可以系统化地排查: 背景 TU229V2 服务器长...

Updated 1 week ago by kugarocks

Architecture

Java Quick Start

JRE vs JVM ┌──────────────────────────┐ │ 物理服务器 │ │ │ │...

Updated 1 week ago by kugarocks

binlog

MySQL Quick Start

Show Variables SHOW VARIABLES LIKE 'log_bin'; +---------------+-------+ | Variable_name | Value...

Updated 1 week ago by kugarocks

Navigation

Aliyun Console

Home Console https://home.console.aliyun.com/home/dashboard/ProductAndService Kubernetes (ACK) h...

Updated 1 week ago by kugarocks

AMD EPYC 9124

CPU AMD

Official Introduction Specification 属性 规格 Name AMD EPYC™ 9124 Family EPYC Series EPYC...

Updated 1 week ago by kugarocks

Database Gateway

Aliyun Database

数据库网关(Database Gateway)是一种支持私网数据库远程访问的数据库连接服务。通过数据库网关,用户可以使用应用程序或云服务访问并管理本地IDC或其他云厂商的数据库。 首页:htt...

Updated 1 week ago by kugarocks

ipmitool

Server Commands

Installation brew install ipmitool Fan Query the fan sensor status from a server’s BMC (Baseboa...

Updated 1 week ago by kugarocks

Data Transmission Service

Aliyun

数据传输服务(Data Transmission Service,简称DTS)支持关系型数据库、NoSQL、大数据(OLAP)等数据源,集数据迁移、订阅及实时同步功能于一体,能够解决公共云、混合...

Updated 2 weeks ago by kugarocks