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SSH failing with Error : fatal: daemon() failed: No such device

SSH failing with Error : fatal: daemon() failed: No such device /var/log/secure Oct 10 10:58:05 vps sshd[23799]: fatal: daemon() failed: No such device # rm -vf /dev/null removed `/dev/null` -bash-3.2# mknod /dev/null c 1 3 Started SSH and the SSH started responding: # service sshd restart Stopping sshd: [ OK ] Starting sshd: [ OK ] -bash-3.2# service sshd status openssh-daemon (pid 30608) is running…

Thursday, March 4, 2021 Read

GitLab 啟用 Project integration - Mattermost slash commands

Thursday, January 28, 2021 Read

Nginx SSL/TLS configuration with TLSv1.2 and TLSv1.3 - ECDHE and strong ciphers suite (Openssl 1.1.1)

Nginx SSL/TLS configuration with TLSv1.2 and TLSv1.3 - ECDHE and strong ciphers suite (Openssl 1.1.1) ssl.conf ## # SSL Settings (TLSv1.2 and TLSv1.3) ## ssl_protocols TLSv1.2 TLSv1.3; ssl_ciphers 'TLS13+AESGCM+AES128:EECDH+AES128'; ssl_prefer_server_ciphers on; ssl_session_cache shared:SSL:50m; ssl_session_timeout 1d; ssl_session_tickets off; ssl_ecdh_curve X25519:sect571r1:secp521r1:secp384r1 universal-ssl.conf ## # SSL Settings (TLSv1.0 + TLSv1.1 + TLSv1.2 + TLSv1.3) ## ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; ssl_ciphers 'TLS13+AESG+AES128:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES25GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-R-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-S:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS'; ssl_prefer_server_ciphers on; ssl_session_cache shared:SSL:50m; ssl_session_timeout 1d; ssl_session_tickets off; ssl_ecdh_curve X25519:sect571r1:secp521r1:secp384r1;

Friday, January 22, 2021 Read

ZSH 自动读取 macOS 系统代理配置并设置环境变量

ZSH 自动读取 macOS 系统代理配置并设置环境变量 $ system_profiler SPNetworkDataType # 获取完整网络配置信息 $ networksetup -listallnetworkservices # 列举所有网络设备 $ networksetup -getwebproxy Wi-Fi # 获取特定网络设备的系统代理配置 $ scutil --proxy # 获取当前已启用的代理配置，是对 system_profiler 的封装

Monday, January 11, 2021 Read

WSL 2 的 .wslconfig 設定檔說明

WSL 2 的 .wslconfig 設定檔說明 Release Notes for Windows Subsystem for Linux | Microsoft Docs - Build 18945 在 Windows 10 環境上安裝 WSL 2 使用 WSL 2 打造優質的多重 Linux 開發環境安裝 WSL 2 的步驟：加入 Windows Insider Program（此步驟不可省略）啟用 WSL 必要元件安裝 Linux 發行版本設定 WSL 2 支援的 Linux 發行版本 WSL 2 問題排除：啟用壓縮功能的虛擬磁碟檔案無法轉換成 WSL 2 架構安裝及啟動 Docker 安裝 Docker Desktop v2.2.1.0 # 啟用 WSL 必要元件 dism.exe /online /enable-feature /featurename:Microsoft-Windows-Subsystem-Linux /all /norestart dism.exe /online /enable-feature /featurename:VirtualMachinePlatform /all /norestart # 設定 WSL 2 支援的 Linux 發行版本 wsl --set-version ubuntu 2 wsl --set-default-version 2 編輯 %UserProfile%\.wslconfig 檔案

Wednesday, December 30, 2020 Read

Day 19 BGP Protocol (1)

Day 19 BGP Protocol (1) Day 20 BGP Protocol (2)

Wednesday, December 30, 2020 Read

使用 oh-my-posh 美化 PowerShell 樣式

使用 oh-my-posh 美化 PowerShell 樣式 # 這會從 PowerShell Gallery 下載並安裝 posh-git 和 oh-my-posh 這兩個模組，前者是在命令列中顯示 Git 專案的相關資訊，後者則是美美的樣式套件 Install-Module posh-git -Scope CurrentUser Install-Module oh-my-posh -Scope CurrentUser # 接著我們要修改 PowerShell 啟動時所載入的設定檔，在 PowerShell 中輸入 $PROFILE 可得到當前使用者啟動 PowerShell 時，會載入的個人設定檔位置。 # 你的電腦可能沒有這個實體檔案，這時可以執行下面的指令，如果沒有該設定檔，則建立一個，然後使用 notepad 來開啟該設定檔。 if (!(Test-Path -Path $PROFILE )) { New-Item -Type File -Path $PROFILE -Force } notepad $PROFILE 最後在該設定檔中加入下列指令 Import-Module posh-git Import-Module oh-my-posh Set-Theme Paradox oh-my-posh 內建了很多樣式，你也可以使用 Get-Theme 這個 Cmdlet 指令取得 oh-my-posh 有提供的所有樣式及相關檔案位置

Thursday, December 10, 2020 Read

冰山一角的駭客工具介紹

冰山一角的駭客工具介紹 [駭客工具 Day10] web 安全測試 - Burp Suite [駭客工具 Day11] 網站路徑遍歷 - DirBuster [駭客工具 Day12] 密碼暴力破解 - Hydra [駭客工具 Day13] 密碼字典檔生成工具 - crunch [駭客工具 Day16] 滲透神器 - Metasploit [駭客工具 Day18] windows 密碼獲取神器 - mimikatz [駭客工具 Day25] CTF Exploit 的 Python library - pwntools

Tuesday, December 8, 2020 Read

Provisioning a Windows Server Vagrant box with IIS, .NET 4.5 and Octopus Deploy

Provisioning a Windows Server Vagrant box with IIS, .NET 4.5 and Octopus Deploy How to use a powershell script during vagrant up on host correctly? First steps with Windows on Vagrant https://followkman.com/2016/07/27/vagrant-up-on-windows-10-with-hyper-v/

Thursday, December 3, 2020 Read

New LibSSH Connection Plugin for Ansible Network Replaces Paramiko, Adds FIPS Mode Enablement

New LibSSH Connection Plugin for Ansible Network Replaces Paramiko, Adds FIPS Mode Enablement Switching Ansible Playbooks to use LibSSH # Installing LibSSH pip install ansible-pylibssh Using LibSSH in Ansible Playbooks Method 1. The ssh_type configuration parameter can be set to use libssh in the active ansible.cfg file of your project [persistent_connection] ssh_type = libssh Method 2: Set the ANSIBLE_NETWORK_CLI_SSH_TYPE environment variable $ export ANSIBLE_NETWORK_CLI_SSH_TYPE=libssh Method 3: Set the ansible_network_cli_ssh_type parameter to libssh within your playbook at the play level

Wednesday, November 25, 2020 Read

CentOS 7 掛載 Synology NAS 資料夾

Monday, November 9, 2020 Read

MacBook 设置 SSLKEYLOGFILE 环境变量解密 HTTPS 流量

MacBook 设置 SSLKEYLOGFILE 环境变量解密 HTTPS 流量创建 keylogfile mkdir ~/sslkeylogfile && touch ~/sslkeylogfile/keylogfile.log # 创建 keylogfile.log 文件 sudo chmod 777 ~/sslkeylogfile/keylogfile.log # 更改权限，确保 chrome 启动时能写入数据配置环境变量 vim ~/.zshrc # 打开配置文件 export SSLKEYLOGFILE=~/sslkeylogfile/keylogfile.log # 配置环境变量 source ~/.zshrc # 使配置文件生效配置 wireshark perferences -> Protocols -> TLS 配置 TSL debug file 记录解密日志配置 (Pre)-Master-Secret log filename 路径为 keylogfile.log 的绝对路径使用 termial 启动 chrome open -a 'Google Chrome' https://www.baidu.com/ 注意：从 termial 启动 chrome，为了确保 chrome 可以读取 SSLKEYLOGFILE 环境变量。

Friday, November 6, 2020 Read