Author Archives: Richard Huang

Customize CyanogenMod ROM

Posted on January 2, 2012 by Richard Huang

不知道还有多少人在坚持使用早期的 Android 设备，比如 HTC Dream (G1)、Magic (G2) 等。上个月某天午饭时，一个同事说她最近入手了 Sensation (G14)，因为原先的那台 Hero (G3) 实在太慢了。嗯，想起了 Richard Jones 说的——Android is the new Windows. 多数情况下，用户不会去管操作系统，于是太多的硬件资源被不必要地占用了，而且还带来不稳定性。但 Android 的开放性使得用户可以对其进行裁减/定制，最原始的做法是直接从源码开始，不过这太麻烦了，另一种做法是修改已经存在的 ROM 安装包。 我依然在使用 G2，已经两年半了，机器里跑的是基于 CM 6.1.0 裁减之后的版本，速度和稳定性都是能接受的。下表（Table 1）列出了修改细节： Table 1. CyanogenMod ROM 程序包 用途 改变 AccountAndSyncSettings.apk 账户同步设置 … Continue reading →

Posted in Android | 2 Comments

Installing Debian from USB Stick

Posted on December 26, 2011 by Richard Huang

This post describes how to install Debian Testing (current Testing is Wheezy). The procedure for installing Debian Stable (current Stable is Squeeze) is same, only the download links are different. 1. Install the necessary tools on your computer which runs … Continue reading →

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Create a Xen Virtual Machine

Posted on December 7, 2011 by Richard Huang

This tutorial shows how to create a VM (virtual machine) on Xen and install CentOS 6.0. 1. Prepare Virtual Disk Image Xen supports to run VM on physical device or virtual disk image. Here I am going to use virtual … Continue reading →

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QEMU-KVM with SPICE Support on Ubuntu 11.10 64-bit

Posted on October 16, 2011 by Richard Huang

SPICE server requires 64-bit system. Make sure you are running Oneiric x86_64. 1. Remove AppArmor $ sudo invoke-rc.d apparmor stop $ sudo update-rc.d -f apparmor remove $ sudo apt-get autoremove –purge apparmor $ sudo reboot After the machine is rebooted, … Continue reading →

Posted in Cloud Computing | Tagged , , | 7 Comments

iptables in Ubuntu

Posted on October 13, 2011 by Richard Huang

Since 7.10, Ubuntu uses UFW to manage firewall. Well, UFW is easier than iptables, but I prefer to use iptables directly. Keep it less layers. Stop and remove UFW: $ sudo invoke-rc.d ufw remove $ sudo update-rc.d -f ufw remove … Continue reading →

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Install a Windows Guest with SPICE

Posted on October 9, 2011 by Richard Huang

There are many choices for desktop virtualization (sometimes called desktop cloud): ICA – Citrix XenDesktop supports it PCoIP – VMWare View supports it RDP – Microsoft supports it SPICE – Red Hat (RHEV) supports it … … The last one, … Continue reading →

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Compile and Install SPICE Client on Ubuntu

Posted on October 9, 2011 by Richard Huang

Since 11.10 (Oneiric), Ubuntu includes SPICE client in its official repository. But how can we get SPICE client if we still use the old Ubuntu releases prior to Oneiric? The following describes how to compile and install a SPICE client … Continue reading →

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My Must-Have PPAs

Posted on October 4, 2011 by Richard Huang

Within a release life cycle, Ubuntu only maintains the minor upgrades of the applications installed in the release. If you want to keep your applications up-to-date and catch their major upgrades, you have to do the upgrades by yourselves, or … Continue reading →

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OpenVPN 客户端配置之 GNOME Network Manager 篇

Posted on September 16, 2011 by Richard Huang

主流 Linux 桌面系统之一的 GNOME 默认携带的 Network Manager 支持 OpenVPN。安装非常简单： Fedora: $ sudo yum install NetworkManager-openvpn Debian/Ubuntu: $ sudo apt-get install network-manager-openvpn 以下步骤是在 Fedora 15 中配置 GNOME Network Manager 连接至 HLYY OpenVPN 服务，其他 Linux 分发版应该都是一样一样滴： 1. 下载 HLYY OpenVPN CA 证书： … Continue reading →

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Install Lotus Notes 8.5.3 on Fedora 15 64bit

Posted on September 1, 2011 by Richard Huang

Lotus Notes still has no native support for 64bit Linux, but we can have workaround. $ cd /etc/yum.repo.d $ sudo wget http://pokgsa.ibm.com/projects/o/openclient/lotus/notes/beta/8.5.3/notes-8.5.3-ea.repo $ sudo yum clean all $ sudo yum update $ sudo yum install ibm_lotus_notes This is going to … Continue reading →

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