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摘要: We added a system call to modify idt table, then programed it inmodify_idt.c1. Put our modify_idt.c file in/usr/src/linux-3.10.15/arch/x86/kernel2./us... 阅读全文
posted @ 2014-05-21 22:43 jeremyatchina 阅读(502) 评论(2) 推荐(0) 编辑
摘要: 在一台機器上寫好這樣的Makefile用以編譯modulesobj-m:=hello.oCURRENT_PATH:=$(shell pwd)VERSION_NUM:=$(shell uname -r)LINUX_PATH:=/usr/src/linux-$(VERSION_NUM)all : ma... 阅读全文
posted @ 2014-05-21 11:07 jeremyatchina 阅读(418) 评论(0) 推荐(0) 编辑
摘要: 裝好ssh後,發覺無法用root登入,可是sshd_config接正確。後來發現原因在於,Ubuntu沒有root帳號,但是可以透過sudo -s拿到root權限。su root 密碼怎樣打也行不通,不過sudo -s卻可以。總之就是要用sudo -s 後 執行passwd 建立帳號ref.http... 阅读全文
posted @ 2014-05-20 23:04 jeremyatchina 阅读(231) 评论(0) 推荐(0) 编辑
摘要: Type 'ipconfig' (without the quotes) to view the status of the computer's IP address(es).If the computer is holding a current IP address, type 'ipconf... 阅读全文
posted @ 2014-05-19 13:59 jeremyatchina 阅读(179) 评论(0) 推荐(0) 编辑
摘要: 1. 追蹤Kernel function (以schedule()示範)先至/sys/kernel/debug/tracing# cat available_tracers確定有無 函式追蹤器(function)blk mmiotrace function_graph wakeup_rt wakeu... 阅读全文
posted @ 2014-05-15 13:59 jeremyatchina 阅读(519) 评论(0) 推荐(0) 编辑
摘要: Using perf, the Linux Performance Analysis tool on Ubuntu KarmicA lot has been going on with Linux performance counters (now called performance events... 阅读全文
posted @ 2014-05-15 10:49 jeremyatchina 阅读(589) 评论(4) 推荐(0) 编辑
摘要: How to use DISM to install a hotfix from within WindowsJeff Hughes (CORE)15 Feb 2011 10:10 AM22Hello, my name is Emmers Presson. I am a Support Escala... 阅读全文
posted @ 2014-05-14 23:51 jeremyatchina 阅读(625) 评论(0) 推荐(0) 编辑
摘要: ssh登录服务器时总是要停顿等待一下才能连接上,这是因为OpenSSH服务器有一个DNS查找选项UseDNS默认是打开的。UseDNS选项打开状态下,当客户端试图登录OpenSSH服务器时,服务器端先根据客户端的IP地址进行DNS PTR反向查询,查询出客户端的host name,然后根据查询出的客... 阅读全文
posted @ 2014-05-09 01:31 jeremyatchina 阅读(414) 评论(0) 推荐(0) 编辑
摘要: Fix invisible cursor issue in Ubuntu 13.10Fixing this problem is rather too easy. Open a terminal (Ctrl+Alt+T) and use the following command:gsettings... 阅读全文
posted @ 2014-05-08 22:44 jeremyatchina 阅读(179) 评论(0) 推荐(0) 编辑
摘要: ExplainShell官方網站:http://explainshell.com/原始碼下載:https://github.com/idank/explainshell用瀏覽器打該explainshell網站,在中間的欄位輸入你欲查詢的Linux指令。下面有提供了幾個範例,可以直接點選範例來查看解釋... 阅读全文
posted @ 2014-04-21 14:55 jeremyatchina 阅读(240) 评论(1) 推荐(0) 编辑
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