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ChinaXing / gist:a5579fb1768b2184acc0c6c28cae116a
Created August 19, 2016 10:48
btrace probe field set
import com.sun.btrace.annotations.*;
import com.sun.btrace.AnyType;
import static com.sun.btrace.BTraceUtils.*;
@BTrace
public class Q{
@OnMethod(
clazz="java.nio.Buffer",
method="/.*/",
location=@Location(value=Kind.FIELD_SET, clazz="java.nio.Buffer", field="po
@ChinaXing
ChinaXing / probe-net.stp
Created January 4, 2016 17:20
probe.stp
stap -e 'probe kernel.function("tcp_recvmsg") {sp = @cast($sk, "inet_sock")->num; dp = @cast($sk, "inet_sock")->sport; if(sp == 9091){ printf("hell,world, %d, %x\n", sp, dp);}}'
@ChinaXing
ChinaXing / kill-connection.pl
Created January 4, 2016 09:53
kill tcp connection
use Net::RawIP;
$n = Net::RawIP->new({
ip => {
saddr => '10.200.183.2',
daddr => '10.200.180.30'
},
tcp => {
source => 3317,
dest => $ARGV[0],
@ChinaXing
ChinaXing / gist:7907696
Created December 11, 2013 09:46 — forked from ishikawa/gist:88599
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.SignatureException;
import java.util.Formatter;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
/**
@ChinaXing
ChinaXing / sublime-indent-keybinding.markdown
Created November 28, 2013 13:57
sublime text 2 indent key bindings

Perference -> Key bindings Users -> add the followings :

[
  { "keys": ["ctrl+alt+l"], "command": "reindent" , "args": { "single_line": false } }
]
@ChinaXing
ChinaXing / tmux-open-more.mkdown
Last active December 29, 2015 09:48
使用tmux同时打开多个ssh 链接在一个窗口
  • 如果没有运行tmux，则运行： tmux
  • 然后在tmux内部执行如下命令，会同时打开链接到两台机器的ssh会话，分屏为上下两 tmux new-window 'sudo -u admin ssh pesystem041124.cm4' ;
    split-window 'sudo -u admin ssh pesystem041147.cm4' ;
    select-pane -U
@ChinaXing
ChinaXing / spring-in-action-spitter.mkd
Created October 13, 2013 10:33
<spring in action 3 edition> spitter application setup
@ChinaXing
ChinaXing / ncurses-line.mkd
Created October 10, 2013 12:37
ncurses line urgly style solution -- ncurses 绘图发现边框线乱码解决方法

ncurse 在终端绘图的时候，发现边框的线条是qqkk之类的字母而非线条。

  • 解决方法：

>export NCURSES_NO_UTF8_ACS=1

@ChinaXing
ChinaXing / hardisk-info.sh
Created August 28, 2013 02:27
# 查看j/检测硬盘信息
###################### 1. GSmartControl -- GSmartControl is a graphical user interface for smartctl
###################### 2. smartctl -- Control and Monitor Utility for SMART Disks
sudo smartctl -a /dev/sda
###################### 3. lsscsi
lsscsi
# output:
@ChinaXing
ChinaXing / mvn-download-jar.sh
Created August 23, 2013 02:43
use maven download jar
mvn dependency:get -DrepoUrl=http://repo1.maven.org/maven2/ \
-DgroupId=org.apache.poi \
-DartifactId=poi \
-Dversion=3.9 \
-Dtransitive=false