About

Hi there 👋

I'm normal human with experience of pentesting in real world environment (government and traditional industries). Skilled in 🛡️ Information Security, 🌐 Web development ,🖥️ System Management and also ✍️ Write some blogs~

🧐 Know more about me: Github

BTW, We moved, you can go cyb.tw to read latest blog~~

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Turn off System Integrity Protection on your Mac

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Turn off System Integrity Protection on your Mac What is System Integrity Protection OS X El Capitan and later includes security technology that helps protect your Mac from malicious software. System Integrity Protection restricts the root user account and limits the actions that the root user can perform on protected parts of the Mac operating system. System Integrity Protection includes protection for these parts of the system: /System /usr /bin /sbin /var Apps that are pre-installed with OS X Paths and apps that third-party apps and installers can continue to write to include: /Applications /Library /usr/local System Integrity Protection is designed to allow modification of these protected parts only by processes that are signed by Apple and have special entitlements to write to system files, such as Apple software updates and Apple installers. Apps that you download from the Mac App Store already work with System Integrity Protection. How to turn off ...
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Mac terminal environment setup - zsh + Powerline + tmux

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Mac terminal environment setup - zsh + Powerline + tmux Powerline font Install nerd-font or powerline font . Nerd-font brew tap homebrew/cask-fonts brew cask install font-hack-nerd-font Powerline fonts # clone git clone https://github.com/powerline/fonts.git --depth = 1 # install cd fonts ./install.sh # clean-up a bit cd .. rm -rf fonts Oh My Zsh Install Zsh. brew install wget sh -c " $( wget https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh -O - ) " Change default zsh theme. You can see all the themes here or using powerlevel10k theme . ohmyzsh themes vim ~/.zshrc > ZSH_THEME = "agnoster" powerlevel10k theme brew install romkatv/powerlevel10k/powerlevel10k echo 'source /usr/local/opt/powerlevel10k/powerlevel10k.zsh-theme' >> ~/.zshrc After setup, enter the following command to apply the configuration. exec $SHELL Insecure Problme fix: # [oh-my-zsh] Insecure completio...
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Understanding htop value

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Understanding htop value htop columns meaning Here is a list that explains what each column means. PID: A process’s process ID number. USER: The process’s owner. PRI: The process’s priority. The lower the number, the higher the priority. NI: The nice value of the process, which affects its priority. VIRT: How much virtual memory the process is using. RES: How much physical RAM the process is using, measured in kilobytes. SHR: How much shared memory the process is using. S: The current status of the process (zombied, sleeping, running, uninterruptedly sleeping, or traced). %CPU: The percentage of the processor time used by the process. %MEM: The percentage of physical RAM used by the process. TIME+: How much processor time the process has used. COMMAND: The name of the command that started the process. The difference between VIRT, RES and SHR VIRT stands for the virtual size of a process, which is the sum of memory it is actually using, memory it ...
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