Updated to Ubuntu 9.04

Yong

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Yong

21 Apr 2009 • 1 min read

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成功升級到9.04,Ext4准备

已经成功升級到9.04了，不过好像不有感觉到性能的突破，估計主要是磁盘系統格式仍然是EXT3的原因吧，过段時間有空准备升級一下，看看是否真的有效，不过如果有時間，到是想重新完全安装一下。以下几篇文章，作记录: Migrating to ext4 Ext2 v.s. Ext3 v.s. Ext4 性能比拼

Yong

Yong 22 Apr 2009 • 1 min read

python版的modbus控制

折腾了很久，对于我这个仅仅是看过一遍a byte of python的最最新手来说，好不容易的，终于能够搞到server版与client版在本机上测试通讯成功了，记录一下。先来看看server端的: c = modlib.ModbusServerContext( discrete_inputs_address=1, discrete_inputs_count=0) s = modlib.ModbusTCPServer(context=c) try: s.serve_forever() except KeyboardInterrupt: print "Ctrl+C pressed - exiting..." s.server_close() 运行后的結果： INFO:

Yong

Yong 19 Apr 2009 • 1 min read

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