Category Archives: Linux

Remove Y!M ads

Hướng dẫn loại bỏ quảng cáo trên Yahoo!Messenger :   Đơn giản chỉ cần tải và giải nén rồi chạy tập tin no_YM_ads_3.bat sau: https://sites.google.com/site/ducquocvn/home/no_YM_ads_3.zip Sau đó mở lại Y!M để xem nó có affected chưa ! More info: Tập … Continue reading

Posted in Coding, Linux | 1 Comment

PuTTy X11Forward Xming

PuTTy is de facto SSH client on Windows to connect to Linux servers (actually PuTTy supports more protocols than just SSH-2 ). It’s very popular as a command-line interface (CLI) for Linux server from Windows machine. But such CLI is not … Continue reading

Posted in Linux, Skill | 2 Comments

One-liner find commands

Some one-liners to find files and/or folders, mostly using Unix “find” command. The target directory here for finding is /opt , yet it can be applied for any existing folder , from “/” to “/proc/some/path” … * Find all files … Continue reading

Posted in Linux | 3 Comments

Markdown

The basic idea of markdown is a “counterpart” of markup languages: + Markup languagues : using extra XML (for example HTML) -> text content + Markdown languages: using text -> content with format (HTML) Basically, it’s like a syntax language … Continue reading

Posted in Coding, Linux | Leave a comment

Install Ruby Cucumber

On Linux Install RVM (assuming CentOS, if you are using Ubuntu, use “apt-get install” instead of “yum install” ) $ sudo yum install gcc $ sudo yum install zlib-devel openssl-devel perl $ sudo yum install git Now install and check RVM: … Continue reading

Posted in Coding, Linux | Leave a comment

Synchronize time in Linux

Using command line, as usual ;-) . Well, in a computer with Linux we can check the time and set the time in that using “date”: $ date $ date –set=”2 FEB 2012 18:20:30″ But we usually don’t want to set … Continue reading

Posted in Linux | 7 Comments

Change IP address Linux

As Virtual Machine tools (VMware, VirtualBox, Xen, KVM, qemu, … ) is getting more and more popular, changing IP address of Linux has become a frequent task for Linux users, not only administrators. There are several ways to change IP address of … Continue reading

Posted in Linux | 14 Comments

Shrink VirtualBox image

Some steps to reduce the size of VirtualBox image files. Originally for VirtualBox’s VDI format, but it can be applied for some other formats as well (OVA, OVF, … ) . Given we have a VirtualBox image harddisk file called … Continue reading

Posted in Coding, Linux | 8 Comments

Hadoop cluster setup

Setup steps on Ubuntu. Hadoop cluster Hadoop is an open source implementation to support distributed computing, originally based on Google’s papers of MapReduce , Big Table , and GFS . . Intro Initially Hadoop is built to support Apache Nutch , a crawler sub-project of … Continue reading

Posted in Coding, Linux | 1 Comment

Install Redmine Redmond

Having meditated about which wiki to setup, finally I decide to give Redmine a try. It is something between Alfresco (good Sharepoint alternative) and Dokuwiki (wiki for non-tech companies), not costly like Confluence, more features/plugins than MoinMoin, and easier installation … Continue reading

Posted in Coding, Linux | 1 Comment