Tag Archives: linux

OS: Patching the linux kernel with grsecurity patch

I have been wanted to do linux kernel hardening a long time ago. I first heard about grsecurity from my friend William who is a security enthusiast. I have read several guides on how to patch the kernel source code … Continue reading

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Debian: Checking your Linux for potential rootkit

You have been tasked to set up a Linux server, you have just installed the core packages of debian with debian small CD. After installation is completed, you download two rootkit checkers: apt-get update #To ensure you have the latest … Continue reading

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Wireshark for Linux: No interface is listed.

You are using Debian, you installed wireshark, launched it and found that there was no interface (under interface list) for wireshark to capture; you checked /etc/group and did not find a group known as wireshark, then it is most likely … Continue reading

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Wireshark (/usr/bin/dumpcap permission denied)

The error “/usr/bin/dumpcap permission denied” appeared when executing wireshark as a normal user. Using package manager to install wireshark may encounter this problem. This is solved by adding normal user into group wireshark: gpasswd -a cyrus wireshark Check to see … Continue reading

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Linux: Ways to start desktop manager and desktop environment

Pre-requisite 1. Video driver installed. 2. dbus installed and loaded. 3. consolekit installed. 4. true type font (like ttf-dejavu) installed. 5. Input drivers installed: xf86-input-mouse and xf86-input-keyboard. 6. gamin installed. (For monitoring files and directories) 7. System fully upgraded (At … Continue reading

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About Arch Linux administrative (No way to be exhaustive, Linux is vast)

There are scripts in Arch Linux which Linux Mint does not have, nevertheless here are the things I learned from installing and breaking Arch Linux numerous times. About rc.conf 1. absolute path: /etc/rc.conf 2. Load the modules (drivers) during boot … Continue reading

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