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Linux Storage System

Posted on 2020-12-25 | Edited on 2021-01-18 | In Storage

[x] ordinary file can also be formatted and mounted [x] terraform mount disk /dev/sdb, why this name? [x] do experiment, using vag ...

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Linux System Admin

Posted on 2020-12-25 | Edited on 2021-07-17 | In Linux

这个课程的收获就是boot stages, kernel的升级以及linux logging的种类,使用。特别是journald,来自systemd。我从其他文章中补充了一些内容,包括loginctl. Boot Linux booting process: ...

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Systemd Essential

Posted on 2020-12-23 | Edited on 2023-01-20 | In Linux

Version Different version may have different syntax and options in unit file, check it first: systemctl --version To see systemd s ...

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Cloud Init Quick Start

Posted on 2020-12-21 | Edited on 2021-10-10 | In Cloud

当时的项目用到了cloud-init 进行本机系统启动后的配置,替代之前Ansible的配置操作(也可以做ansible之前的一些更为基础的配置,比如设置network, SSH等),使其在boot后到达可用状态。其实和Ansible 一样都是configur ...

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Ansible Galaxy Modules

Posted on 2020-12-16 | Edited on 2020-12-21 | In Ansible

最近在做项目的时候,发现用到了Ansible Galaxy上的模块,这里记录一下。 Web page ansible java role,对于安装不同的Java 版本非常方便。

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Git Release Tag and Branch

Posted on 2020-12-09 | Edited on 2020-12-10 | In Git

Release Tag When to use tag: every time you push to production, tag the release. Release tag points to a specific commit in histor ...

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Gitlab CI

Posted on 2020-12-05 | Edited on 2021-01-18 | In Gitlab

目前使用的source code management tool 是gitlab, 除了行使git 的功能外,对每次 merge request 都做了额外的CI/CD操作,这里记录一下相关语法和总结 from course Continuous Delive ...

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Shell Pattern Matching

Posted on 2020-11-28 | Edited on 2022-06-19 | In Shell

Parameter expansion 这是在script 中处理string, number 数据的常用方法. 可以用来代替sed, cut这些external programs, speed up significantly. As our experie ...

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Zookeeper Quick Start

Posted on 2020-11-27 | Edited on 2020-12-26 | In Zookeeper

The Vagrant demo file please see my git repo Infratree Introduction Zookeeper quorum architecture, at least 3 nodes cluster setup ...

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Golang OOP

Posted on 2020-11-15 | Edited on 2022-04-19 | In Go

Struct Go 用struct 实现OOP, 匿名字段可看作实现了继承关系,子类也可以重写父类的方法。 Note, there is also exported and unexported fields in struct, the same patte ...

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海胆阶段

海胆阶段

骐骥一跃,不能十步;驽马十驾,功在不舍

327 posts
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