Keep Thriving https://joak.org/ 2026-04-15T02:53:11+00:00 https://joak.org/ https://joak.org/_media/favicon.ico text/html 2018-02-28T05:48:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:ansible?rev=1519796929&do=diff Ansible * Official site: ansile.com * github repo text/html 2018-02-28T05:48:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:cmatrix?rev=1519796929&do=diff CMatrix * CMatrix 主页 * 源码所在 * 这是个模拟《骇客帝国》里屏幕绿色字符飘泊而下的程序, 很是酷炫,在 ubuntu 下可安装 sudo apt-get install cmatrix 然后直接命令行执行cmatrix. * 看源码, 是使用了 Linux/Unix 下的一个图形库 text/html 2021-11-26T09:03:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:gsettings?rev=1637917434&do=diff gsettings * <https://eightplus.github.io/2019/11/07/2019-11-07-qgsettings/> * ubuntu man * gtk doc 命令 说明 gsettings list-schemas 显示系统已安装的不可重定位的schema(已安装并有固定path的 schema)。 text/html 2021-03-22T05:27:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:kylin?rev=1616390829&do=diff 银河麒麟 * 银河麒麟V10：<http://www.kylinos.cn/> Desktop * UKUI：ukui.orgrepo * 桌面环境基本是MATE 1.12.2, 少量 ukui 修改 * MATE 继承自 GNOME2 ScreenSaver * 银河麒麟参考：<https://github.com/ukui/ukui-screensaver> * 从 d-bus 获取org.gnome.SessionManager 的session idle消息 text/html 2019-04-10T09:32:11+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:linux_input_subsystem?rev=1554888731&do=diff Linux 输入子系统 * Linux Input Subsystem userspace API * linux内核input子系统解析 * linux/input.h * linux/input-event-codes.h text/html 2024-04-23T05:26:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:linux-program?rev=1713850003&do=diff Linux 编程 * <https://linux-kernel-labs-zh.xyz/lectures/intro.html>： 布加勒斯特理工大学的 Linux 内核教学课程，动手实践设备驱动的编写。涉及的概念讲解得不错。 * Linux 源代码布局： +-------+ | linux | +-+-----+ | +------+--------+---------+---------+--------------+--------------+ | | | | | | | | v v v v v v | +------+ +-------+ +-------+ +--------+ +---------------+ +---------+ | | arch | | block | | certs | | crypto | … text/html 2025-05-20T08:05:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:maintain?rev=1747728345&do=diff Maintain * tldr.sh命令查询工具，简化版 man * dashdash.io, 格式化后的man文档，方便阅读 * UDEV 规则配置 * linux虚拟主机安全指南 Consul * Consul Puppet * Puppet Ansible * Ansible Performance tools * Linux Performance(得翻墙访问） * * * 十分钟检测性能(也得翻墙） uptime dmesg | tail vmstat 1 mpstat -P ALL 1 pidstat 1 iostat -xz 1 free -m sar -n DEV 1 sar -n TCP,ETCP 1 top text/html 2024-02-20T07:24:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:network?rev=1708413853&do=diff Network * introduction-to-linux-interfaces-for-virtual-networking * FIXME * <https://github.com/yanfeizhang/coder-kung-fu?tab=readme-ov-file> * 此人的linux网络系列文章很不错 Articles 网络包收发流程及缓冲区问题 * Linux 网络包收发流程及缓冲区问题 接收流程 * 当一个网络帧到达网卡(NIC, Network Interface Card)后，网卡会通过 DMA 方式，把这个网络包放到收包队列中；然后通过硬中断，告诉中断处理程序已经收到了网络包。… text/html 2018-02-28T05:48:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:puppet?rev=1519796929&do=diff Puppet * Xiaopei Li's wiki page * Merlin Dou's wiki page * Official site * Official references * Learning Puppet — Resources and the RAL * Official FAQ facter * 自定义fact实现的四种方式介绍 Learning Puppet 笔记 Resources and the RAL * Resources: Imagine a system’s configuration as a collection of many independent atomic units; call them “resources.” * 资源可分类 text/html 2022-11-24T01:55:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:shell?rev=1669254908&do=diff Shell * Effective shell 免费shell教程电子书 Shell Script * <https://www.runoob.com/linux/linux-shell.html> * 变量处理： ${var} 变量var的值, 与$var相同 ${var-DEFAULT} 如果 var 没有被声明, 那么就以 $DEFAULT 作为其值 ${var:-DEFAULT} 如果 var 没有被声明, 或者其值为空, 那么就以 $DEFAULT 作为其值 text/html 2024-09-18T06:32:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:start?rev=1726641152&do=diff Linux * 鸟哥的linux私房菜 * <http://www.debian.org/doc/manuals/debian-reference/> * Maintain * Ubuntu * 银河麒麟 * Linux 输入子系统 * Linux 编程 * Shell * gsettings * Network * 驱动开发入门这个技术博客其他文章也很不错=) * DRM 子系统: Direct Rendering Manager(DRM)是linux内核子系统，负责与显卡交互 * libdrm * 关于显示 framebuffer Fun * CMatrix * Terminal colors and formating,适用于 ANSI/VT100 命令行窗口… text/html 2018-02-28T05:48:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:supervisor?rev=1519796929&do=diff Supervisor * 因为Docker一个容器只支持运行一个后台进程, 所以在Docker内使用supervisor来启动多个程序/服务更方便,更易管理 * 详见:Using supervisor with docker to manage processes * nodaemon=true * supervisord.org * supervisord * supervisorctl * /etc/supervisor/supervisord.conf text/html 2026-01-16T01:38:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:systemd?rev=1768527481&do=diff Systemd * Systemd 的特点和使用 * <http://www.jinbuguo.com/systemd/systemd.service.html> * <http://www.ruanyifeng.com/blog/2016/03/systemd-tutorial-commands.html> * <https://www.freedesktop.org/software/systemd/man/systemd.exec.html> * Systemd 示例教程，可在线尝试 Tips * 查看服务依赖： systemctl list-dependencies foo.service * 查看服务开机启动顺序：systemd-analyze plot > ~/boot.svg * 查看开机服务启动总时间：systemd-analyze * 查看开机服务启动耗时排序:… text/html 2018-02-28T05:48:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:tmux?rev=1519796929&do=diff Tmux Copy from <https://wiki.freebsdchina.org/software/t/tmux> 使用 * tmux使用C/S模型构建，主要包括以下单元模块： server服务器。输入tmux命令时就开启了一个服务器。session会话。一个服务器可以包含多个会话。window窗口。一个会话可以包含多个窗口。 text/html 2023-07-20T03:41:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:ubuntu?rev=1689824464&do=diff Ubuntu * Official site Snap * What is snap application Audio * pulse_audio_sounds_ubuntu Tips * 搜索软件包：<http://packages.ubuntu.com/> * Ubuntu18.04 后网络管理：netplan /etc/netplan/ -> NetworkManager nmcli * Ubuntu20.04 更新 openssl : upgrade-openssl-on-ubuntu-20 # check version openssl version -a # backup sudo cp -R /usr/lib/ssl /usr/lib/ssl-1.1.1h # download latest version https://www.openssl.org/source/ wget https://www.openssl.org/source/openssl-1.1.1m.tar.gz # check wget https://… text/html 2023-12-25T07:38:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:udev?rev=1703489888&do=diff UDEV 规则配置 * 官方文档：<https://www.reactivated.net/writing_udev_rules.html> * KERNEL / SUBSYSTEM / DRIVER / ATTR 只匹配本设备不匹配父设备. 加个S， 就可以在本设备以及父设备整条链上搜索匹配。 KERNELS / SUBSYSTEMS / DRIVERS / ATTRS * 字符匹配： * - match any character, zero or more times ? - match any character exactly once [] - match any single character specified in the brackets, ranges are also permitted text/html 2021-10-19T02:36:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:upstart?rev=1634611015&do=diff Upstart Upstart是个事件异步的初始化管理程序，用于ubuntu等，配置文件所在/etc/init/*.conf * About * Official site * Upstart Intro, Cookbook and Best Practises * 目前流行的linux发行版基本已使用 Systemd 取代 Upstart 现在 Tips * 服务进程的输出日志,在 upstart 1.4 版本之后保存在 text/html 2023-12-29T08:36:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://joak.org/public:it:linux:x11?rev=1703838994&do=diff X11 * x.org * 教程：<https://tronche.com/gui/x/> * 了解X系统 Tips * X11没有topmost, 参考XWindowChanges * 列举窗口示例, 编译指令 g++ -lX11 list_win.cpp -o list_win #include <X11/Xlib.h> #include <iostream> int main() { auto display = XOpenDisplay(nullptr); auto root_window = DefaultRootWindow(display); Window root_return, parent_return; Window * child_list = nullptr; unsigned int child_num = 0; XQueryTree(display, root_window, &root_return, &parent_return, &child_list, &child_n…