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JSONView, a good firefox json viewer plugin

http://jsonview.com/

posted @ 2012-02-17 15:35 Milo的海域閱讀(415) | 評(píng)論 (0) | 編輯收藏

Profilling PHP by xdebug

install xdebug

yum install php-pear
pecl install xdebug
find / -name 'xdebug.so'

config php.ini for xdebug extension

; load as zend ext
zend_extension=/usr/lib64/php/modules/xdebug.so
; make sure profiler_enable disable
xdebug.profiler_enable=off
; enable trigger
xdebug.profiler_enable_trigger=on
; make sure web server has write privilege on output dir
xdebug.profiler_output_dir=/tmp

restart httpd
send http request

curl 'http://10.1.74.51/admin/php/adapter.php?action=getSystemChartsData&XDEBUG_PROFILE'

get and analyze output log by kcachegrind

posted @ 2012-02-17 12:58 Milo的海域閱讀(260) | 評(píng)論 (0) | 編輯收藏

SVN account info on linux server

SVN account info will be stored in below dir on linux server:

${HOME}/.subversion/auth/svn.simple/

posted @ 2012-02-17 11:38 Milo的海域閱讀(239) | 評(píng)論 (0) | 編輯收藏

Unix Shell Array example

腳本里出現(xiàn)了相同邏輯被執(zhí)行多次，需要重構(gòu)代碼以減小代碼體積。

Bash array的例子

自己寫的例子

#!/bin/sh
a=('1' '2 2' '3 3 3')

# echo whole array elements
echo ${a[@]}
# array length
len=${#a[@]}

# loop array
for ((i=0; i<=$len-1; i++))
do
echo ${a[$i]}
done

# array insert
a=()
a=("${a[@]}" "a")
a=("${a[@]}" "b b")
echo ${a[@]}

blogjava的代碼高亮不支持unix shell，用PHP的湊合下。。。

posted @ 2012-02-03 16:52 Milo的海域閱讀(229) | 評(píng)論 (0) | 編輯收藏

yum install iperf on Centos5 or Centos6

iperf是個(gè)網(wǎng)絡(luò)帶寬的性能測試工具，但是直接yum install iperf是找不到源的。具體安裝方法如下：

yum install iperf on centos5
=======================

wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el5.rf.x86_64.rpm
rpm --import http://apt.sw.be/RPM-GPG-KEY.dag.txt
rpm -K rpmforge-release-0.5.2-2.el5.rf.*.rpm
rpm -i rpmforge-release-0.5.2-2.el5.rf.*.rpm
yum install iperf

yum install iperf on centos6
=======================

wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
rpm --import http://apt.sw.be/RPM-GPG-KEY.dag.txt
rpm -K rpmforge-release-0.5.2-2.el6.rf.*.rpm
rpm -i rpmforge-release-0.5.2-2.el6.rf.*.rpm
yum install iperf

iperf使用示例
on 10.1.74.51

iperf -s

on 10.1.74.76

[root@xen74v02 db1]# iperf -c 10.1.74.51 -B 10.1.74.76
------------------------------------------------------------
Client connecting to 10.1.74.51, TCP port 5001
Binding to local address 10.1.74.76
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[  3] local 10.1.74.76 port 5001 connected with 10.1.74.51 port 5001
[ ID] Interval       Transfer     Bandwidth
[  3]  0.0-10.0 sec  1.03 GBytes    884 Mbits/sec

posted @ 2012-02-03 13:49 Milo的海域閱讀(8694) | 評(píng)論 (0) | 編輯收藏