磁盘性能测试 https://blog.csdn.net/zqtsx/article/details/25487185 linux 下测试磁盘的读写 IO 速度 (IO物理测速) hdparm 这是一个是用来获取 ATA/IDE 硬盘的参数的命令, 是由早期 Linux IDE 驱动的开发和维护人员 Mark Lord 开发编写的

podman basic install https://podman.io/getting-started/installation 1 2 3 4 5 # archlinux install podman pacman -S podman # 提示选择 crun, runc, 选 crun # netavark aardvark-dns 会默认安装 # 正常情况，安装 podman 之后不需要重启系统, 但是如果有异常，比如 CNI 之类 的问题，可

Git 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 @startuml [Working tree\n工作树\n工作区] as work [Index, 索引\nStaging Area\nStaged,暂存区] as stage work --> stage:

scp scp 可以在两个 linux 主机间复制文件； 1 2 # 复制目录 -r scp -r local_folder remote_username@remote_ip:remote_folder ash: /usr/libexec/sftp-server: not found This is a consequence(结果/后果) of your client machine using a very recent OpenSSH release (9.0 - check https://www.openssh.com/txt/release-9.0 62 for more

nfs 1 2 3 4 5 # archlinux nfs-utils 包含客户端和服务端实现 sudo pacman -S nfs-utils # ubuntu, nfs client sudo apt install nfs-common nfs server nfs 依赖时钟, 需要 ntp 服务 archlinux enabled ntp by default https://blog.wiloon.com/ntp 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

vi/vim basic, command commands 1 2 3 4 5 6 7 vim -u NONE -N -n bigfile.txt # -u NONE: 不加载配置文件 # -u 后面跟的是要加载的配置文件路径。 # -u NONE：不加载任何配置，相当于“安全模式”或

go basic, golang basic The Go Programming Language, Go 语言虽然是静态编译型语言, 但是它却拥有脚本化的语法, 支持多种编程范式(函数式和面向对象)。 Go 是 Google 开发的一种静态强类型、编译

JetBrains, idea, basic file> open recent, 点击打开项目的同时按 ctrl 会在新窗口打开 jetbrain> Git, 选中分支名 Ctrl + C 会复制分支名 HiDPI https://intellij-support.jetbrains.com/hc/en-us/articles/360007994999-HiDPI-configuration search everywhere (shift shift)> “Show HiDPI Info” vm option help> edit custom vm options> add line “-Dsun.java2d.uiScale.enabled=true” JetBrains keys, 快捷键 列编辑/co

athens, go package cache/repo 私服, go package 私有仓库, go package 服务器 Athens: Go Packages 服务器, 私服, go package 私有仓库, 其它可选方案 Nexus. nerdctl 1 2 3 4 5 6 7 8 9 nerdctl volume create athens-data nerdctl run -d \ --name athens \ -p 4000:3000 \ -v athens-data:/var/lib/athens \

ls command ls 默认列出当前目录的内容, ls 是 list 的缩写 ls 命令默认会按照文件名字母序排序 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 find $PWD | xargs ls -ld ls -lrth # -l 默认按文件名

scrum poker Scrum Poker Cards (Agile) Android, iOS https://artarmin.com/embed/#?secret=jkb2vbmib7 scrum poker online, 在线点数估算 https://www.scrumpoker-online.org/en/room/04930078

chrome weak up api, keep screen on, 屏幕常亮 chrome: enable-experimental-web-platform-features web 页面支持 https 才能使用 wake lock api android: 系统开启开发者模式 chrome 74 chrome://flags/#enable-experimental-web-platform-features Note: Like most other powerful web APIs, the Wake Lock API is only available when served over HTTPS. chrome 79+ Chrome Updates Experimental Wake Lock API Support https://www.infoq.com/news/2019/11/chrome-wakelock-api/#:~:text=The%20Wake%20Lock%20API%20prevents%20some%20aspect%20of,this%20feature%2C%20adding%20promises%20and%20wake%20lock%20types. To use the

PostgreSQL commands 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 \l 或 \list meta-command 列出所有数据库 sudo -u postgres psql -c "\l" 用 \c + 数据库名 来进入数据库： \dt 列出所有数据库表： # 查看表结构 \d table0 #

三菱欧蓝德, Outland 机油 机油：矿物质 5000km，半合成 7500km，全合成 8000-10000km，平时行使道路越畅通，机油时效越长， 驾驶沉稳不

ssh command, openssh 端口转发 ssh 不登陆直接执行命令 openssh 9.0 sftp-server options, 参数 -T: 禁止分配伪终端, Disable pseudo-terminal allocation -t 或 -tt: 强制分配伪终端, Force pseudo-terminal allocation. This can be used to execute arbitrary screen-based programs on a remote machine, which can be very useful, e.g. when implementing

calibre, 电子书管理 calibre-web k8s calibre-dp.yaml 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 apiVersion:apps/v1kind:Deploymentmetadata:name:calibre-webnamespace:defaultspec:replicas:1selector:matchLabels:name:calibre-webtemplate:metadata:labels:name:calibre-webspec:containers:- name:calibre-web-containerimage:lscr.io/linuxserver/calibre-web:0.6.18imagePullPolicy:IfNotPresentenv:- name:PUIDvalue:"1000"- name:PGIDvalue:"1000"- name:TZvalue:"Asia/China"- name:DOCKER_MODSvalue:"linuxserver/calibre-web:calibre"-

lsof command lsof means ‘List Open Files’ List all open files on the system or open files for specified PID 查看一个进程打开了哪些文件 1 2 3 4 5 #PID: 1098 sudo lsof -p 1098 ## 查看进程打开了哪些端口 # 以上命令返回的数据里 有 TCP 字

docker registry install registry 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 # sample, https://docs.docker.com/registry/configuration/ cat > /usr/local/etc/docker-registry-config.yml << EOF version: 0.1 log: fields: service: registry storage: delete: enabled: true

kde config 快捷键 功能 key krunner alt+space 快捷键设置 System Settings>shortcuts 多显示器 任务栏 https://superuser.com/questions/905591/kde-taskbar-task-manager-only-on-vga-screen-not-dvi-screen/906725 Right-click on the panel -> Panel Settings then drag the Screen Edge bar to the bottom of the screen to move the panel. Then right click on the panel -> Add Widgets -> Double-click on Task Manager. Then right-click somewhere near the middle of the

compact/extract 压缩/解压 .tar.gz 和 .tgz .tgz 和 .tar.gz 是同一个东西, .tgz 可以认为是 .tar.gz 是简写, 在远古时代比如 DOS 系统, 文件扩展名只能是三个字符, 所以有了 .tgz, 后来限制解除之后就能支