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man ssh_config: Three Test Host: ram5 ram6 ram7 /etc/ssh/sshd_config: GatewayPorts yes | no this will dertermin SSHD listen address Command Line: ssh 阅读全文
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Check & Clear: Exec: reg import ext.reg Windows Registry Editor Version 5.00 [HKEY_CLASSES_ROOT\.] @="" [HKEY_CLASSES_ROOT\.\Shell] [HKEY_CLASSES_ROOT 阅读全文
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fail & failed_when: - hosts: buster remote_user: root tasks: - shell: "echo 'This is a string for testing--error'" register: value - debug: msg: "2" # 阅读全文
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#!/bin/env bash git init touch init git add -- . git commit -am init echo a >> main_file git add --all git commit -am 'main a' echo b >> main_file git 阅读全文
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Take below for example shopt -s dotglob # glob will include hidden file & directories cp -frv /etc/skel/{,.[^.]}* . -T --no-target-directory cp -frv / 阅读全文
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env and printenv is not shell builtin, so they can only print environment variables. env: run a program in a modified environment --ignore-environment 阅读全文
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Function system() awk 'BEGIN{system("pwd")}' | pipe echo sh601236 | awk '{cmd="curl -s -XGET http://hq.sinajs.cn/list="$0;print cmd | "sh - | iconv -f 阅读全文
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--add-host HOST:IP docker run \ --rm \ -e SONAR_HOST_URL="http://sonarqube:9000" \ -e SONAR_LOGIN="97cd1f21966042b2320539c1b720144d5e2aaced" \ -v "$PW 阅读全文
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Causation: Your origin remote is set up to fetch only certain branches git remote set-branches --add origin bb git remote set-branches origin '*' It i 阅读全文
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state : absent, directory, file, hard, link, touch Change File Attributes ansible all -m file -a 'path=/root/bb owner=laconic group=laconic mode=7777' 阅读全文
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https://superuser.com/questions/710253/allow-non-root-process-to-bind-to-port-80-and-443 google search linux listen port 80 non-root 阅读全文
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display NUMA state journalctl --dmesg | grep -i NUMA dmesg --kernel --human | grep -i NUMA only have one node, so it doesn't matter. numastat # cat /s 阅读全文
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compgen is a shell builtin compgen -u : display users -a means Names of alias -b means Names of shell builtins -c means Names of all commands -d means 阅读全文
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https://prometheus.io/download/#prometheus https://packagecloud.io/app/prometheus-rpm/release/search Install: tar xvzf prometheus-2.36.1.linux-amd64.t 阅读全文
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Services Record (SRV) Defined in RFC 2782. The SRV RR identifies the host(s) that will support a particular service. The MX RR is a specialised exampl 阅读全文
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服务器为gitlab, 使用docker搭建, 首先确定是宿主机被感染,还是容器被感染 使用top , ps aux --sort -pcpu查找占用cpu明显过高进程 容器外使用 ps H -fFjlp $PID, ps -LfFljp $PID观察进程 docker stats --all -- 阅读全文
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man 5 timesyncd.conf man 8 systemd-timesyncd.service # /etc/systemd/timesyncd.conf [Time] NTP=time.windows.com ntp.ubuntu.com FallbackNTP=ntp1.aliyun. 阅读全文
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forking类型 使用Type=forking时，要求ExecStart启动的命令自身就是以daemon模式运行的。而以daemon模式运行的进程都有一个特性：总是会有一个瞬间退出的中间父进程，例如，nginx命令默认以daemon模式运行，所以可直接将其配置为forking类型： simple类 阅读全文