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RSS订阅转载 Linux下查看支持的信号列表
~$ kill -l1) SIGHUP 2) SIGINT 3) SIGQUIT 4) SIGILL5) SIGTRAP 6) SIGABRT 7) SIGBUS 8) SIGFPE9) SIGKILL 10) SIGUSR1 11) SIGSEGV 12) SIGUSR213) SIGPIPE 14) SIGALRM 15) SIGTERM 17) SIGCHLD18) SI
2012-03-13 22:52:37
485
原创 Edit the initrd image
There are a number of boot problems related to missing modules in the initrd image, boot device can't be found, and also many mount or devic
2011-10-11 16:08:24
412
原创 Sparse enabled 'dd‘ test
To Check if the 'dd' command is using Sparse :#!/bin/bash# set -xfile_name="tttt.img"`dd if=/dev/zero of=$file_name bs=1024 count=1
2011-09-23 17:27:01
409
转载 僵尸进程的产生和避免
在fork()/execve()过程中，假设子进程结束时父进程仍存在，而父进程fork()之前既没安装SIGCHLD信号处理函数调用waitpid()等待子进程结束，又没有显式忽略该信号，则子进程成为僵尸进程，无法正常结束，此时即使是root身份kill -9也不能杀死僵尸进程。
2011-09-23 17:08:45
394
原创 Live Migrate a GuestVM
Stage 0: Pre-Migration We begin with an active VM on physical host A. To speed any future migration, a target host may be preselected where
2011-09-21 15:43:48
337
转载 How to use *args and **kwargs in Python
This also means how to use variable length argument lists in Python.The special syntax, *args and **kwargs in function definitions is us
2011-09-20 18:48:52
352
转载 SimpleXMLRPCServer – Implements an XML-RPC server
Purpose: Implements an XML-RPC server.Python Version: 2.2 and laterThe SimpleXMLRPCServer module contains classes for creating y
2011-09-20 18:12:10
989
转载 What is XML-RPC?
XML-RPC is a simple, portable way to make remote procedure calls over HTTP. It can be used with Perl, Java, Python, C, C++, PHP and many oth
2011-09-20 18:10:13
385
原创 Linux Network scripts
local dhcp_ip=`/sbin/ifconfig eth0 | grep 'inet addr' | awk -F: '{print $2}' | awk '{print $1}'` local dhcp_netmask=`ifconfig eth0 | grep
2011-09-20 18:04:29
1321
原创 DBA Tips
Any usergroup problme:/etc/oraInst.locInital parameterLocation of spfile$ORACLE_BASE/admin/XXX/bdump/alert_XXX.log$ORACLE_HOME
2011-09-20 17:19:25
412
原创 Reference for Creating Kickstart file
Red Hat Enterprise Linux Installation Guide:https://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/Installation_Guide-en-US/index.ht
2011-09-20 17:08:04
279
原创 Configure a VLAN
— Get two OVS host1 and host2;— Setup vlan on host1 and host2:vconfig add eth0 701ip link set eth0.701 upbrctl addbr xenbr701ip li
2011-09-20 17:05:54
340
原创 Shell Tips
1. dos2unix： 如果直接从windows 拷贝文件到Linux,最好运行dos2unix， 否则会导致很多莫名的错误2. Create a block devicedd if=/dev/zero of=/dev/sda3 dd if
2011-09-20 17:03:51
393
原创 [V2V]Convert vhd Image using qemu-img
1:Create one vhd image through Microsoft Virtual PC 2:Copy the vhd image to oracle vm server 3:Issue the qemu-img convert command : qemu
2011-09-20 17:01:52
1854
原创 How to change the EM OMS locale
1) for both DB and OMS— emctl stop oms -all— oratst.sh webtester nls_aldbcs AL32UTF8 AL16UTF16 > changed db's charset$SRCHOME/emdev/te
2011-09-20 17:00:23
317
转载 xen detect
1/******************************************************************************2 * xen_detect.c3 * 4 * Simple GNU C / POSIX applicati
2011-09-20 16:58:34
448
原创 LVM image mount/umount
ErrorIt can not mount.#mount system.img /mnt/mount: system.img is not a block device (maybe try `-o loop'?)#mount -o loop system.i
2011-09-20 16:55:56
1326
转载 How to add swap space in Linux
如何在Linux下面添加swap file，记录之。1） 首先确定你要添加的swap的大小，比如是2G，那么就是2048000k2）以root用户登录到终端，dd一个文件，大小就是你期望的swap文件大小，比如：dd if=/dev/zero of=/swap
2011-09-20 16:52:31
484
原创 JTA and JDBC
In order for a difference to exist, there should be something in common, and apart from being database-related (although JTA is not only tha
2011-09-20 16:49:01
274
转载 Java 6 JVM参数选项大全（中文版）
转载本文档请注明原文链接 http://kenwublog.com/docs/java6-jvm-options-chinese-edition.htm！本文是基于最新的SUN官方文档Java SE 6 Hotspot VM Options 编写的译文。主要介绍JVM中的非稳
2011-09-20 16:48:22
338
Java Puzzlers Traps, Pitfalls, and Corner Cases.chm
2007-09-14
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