技術沒有難度, 有難度的是態度: 5月 2011

2011年5月25日星期三

SAMBA optimize conf.

smb.conf
[global]
   workgroup = MYGROUP
   server string = Samba Server
   log file = /var/log/samba/%m.log
   max log size = 50
   dns proxy = no
   security = share

   unix charset = utf8
   display charset = utf8
   dos charset = cp950
   socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=65535 SO_SNDBUF=65535
   syslog = 1
   syslog only = yes
   strict sync = no
   sync always = no

   log level = 1
   read raw = yes
   write raw = yes
   oplocks = yes
   max xmit = 65535
   dead time = 15
   getwd cache = yes
   lpq = 30
   large readwrite = no

[123]
   path = /mnt/123
   public = yes
   writable = yes

VMware dep. NAT

nat.conf
# Linux NAT configuration file
[host]
# NAT gateway address
ip = 172.16.12.2
netmask = 255.255.255.0
# VMnet device if not specified on command line
device = /dev/vmnet8
# Allow PORT/EPRT FTP commands (they need incoming TCP stream ...)
activeFTP = 1
# Allows the source to have any OUI. Turn this one if you change the OUI
# in the MAC address of your virtual machines.
allowAnyOUI = 1
[udp]
# Timeout in seconds, 0 = no timeout, default = 60; real value might
# be up to 100% longer
timeout = 60
[incomingudp]

[incomingtcp]

10000 = 172.16.12.10:80
10001 = 172.16.12.11:80
10002 = 172.16.12.12:80
10003 = 172.16.12.13:80
10004 = 172.16.12.14:80
10005 = 172.16.12.15:80
10006 = 172.16.12.16:80
10007 = 172.16.12.17:80
20000 = 172.16.12.10:22
20001 = 172.16.12.11:22
20002 = 172.16.12.12:22
20003 = 172.16.12.13:22
20004 = 172.16.12.14:22
20005 = 172.16.12.15:22
20006 = 172.16.12.16:22
20007 = 172.16.12.17:22

then

/usr/bin/vmware-networks --stop
/usr/bin/vmware-networks --start

2011年5月18日星期三

News for javascript and postgreSQL

JAVASCRIPT testing tool
http://www.swift-lizard.com/2009/11/24/test-driven-development-with-jquery-qunit/

PostgreSQL pgpool-II
http://pgpool.projects.postgresql.org/pgpool-II/doc/pgpool-en.html#reference

2011年5月10日星期二

Para-vir. installation tips

For para-vir. guest HTTP source req.

Install httpd server
yum -y install httpd

create a directory to mount your iso
mkdir /var/www/html/pub
mount -o loop /path-to-your-iso-image /var/www/html/pub

turn off SELinux & Firewall
setenforce 0
iptables -F
service httpd start

You should now be ready to install your Vm from

http://<ip of dom0>/pub

XEN on CentOS Install

以下手動....
yum install -y xen virt-manager kernel-xen ipvsadm
chkconfig xend on
vim /boot/grub/grub.conf
default=0
reboot
....................

echo "Copying VMs"
for i in `seq 33 1 43`
do
echo "172.108.$i.2 NAT setting..."
ssh -l root 172.108.$i.2 "scp root@172.108.31.2:/var/lib/xen/images/*.img /var/lib/xen/images &"
ssh -l root 172.108.$i.2 "scp root@172.108.31.2:/etc/xen/ATC* /etc/xen &"
done

scp root@172.108.31.2:/var/lib/xen/images/*.img /var/lib/xen/images
scp root@172.108.31.2:/etc/xen/ATC* /etc/xen

XEN NAT

echo "Start Setting up NAT"
for i in `seq 31 1 43`
do
echo "172.108.$i.2 NAT setting..."
ssh -l root 172.108.$i.2 "ipvsadm -A -t 172.108.$i.2:10000 -s rr | ipvsadm -a -t 172.108.$i.2:10000 -r 192.168.122.5:80 -m"
ssh -l root 172.108.$i.2 "ipvsadm -A -t 172.108.$i.2:10001 -s rr | ipvsadm -a -t 172.108.$i.2:10001 -r 192.168.122.6:80 -m"
ssh -l root 172.108.$i.2 "ipvsadm -A -t 172.108.$i.2:10002 -s rr | ipvsadm -a -t 172.108.$i.2:10002 -r 192.168.122.7:80 -m"
ssh -l root 172.108.$i.2 "ipvsadm -A -t 172.108.$i.2:10003 -s rr | ipvsadm -a -t 172.108.$i.2:10003 -r 192.168.122.8:80 -m"
ssh -l root 172.108.$i.2 "ipvsadm -A -t 172.108.$i.2:10004 -s rr | ipvsadm -a -t 172.108.$i.2:10004 -r 192.168.122.9:80 -m"
ssh -l root 172.108.$i.2 "ipvsadm -A -t 172.108.$i.2:10005 -s rr | ipvsadm -a -t 172.108.$i.2:10005 -r 192.168.122.10:80 -m"
ssh -l root 172.108.$i.2 "ipvsadm -A -t 172.108.$i.2:10006 -s rr | ipvsadm -a -t 172.108.$i.2:10006 -r 192.168.122.11:80 -m"
ssh -l root 172.108.$i.2 "ipvsadm -A -t 172.108.$i.2:10007 -s rr | ipvsadm -a -t 172.108.$i.2:10007 -r 192.168.122.12:80 -m"
done

xm COMMAND

echo "Start All Xen VMs"
for i in `seq 31 1 43`
do
echo "172.108.$i.2 starting..."
ssh -l root 172.108.$i.2 "xm create ATC0 | xm create ATC1 | xm create ATC2 | xm create ATC3 | xm create ATC4 | xm create ATC5 | xm create ATC6 | xm create ATC7 &"
done

echo "Stop All Xen VMs"
for i in `seq 31 1 43`
do
echo "172.108.$i.2 stoping..."
ssh -l root 172.108.$i.2 "xm shutdown ATC0 | xm shutdown ATC1 | xm shutdown ATC2 | xm shutdown ATC3 | xm shutdown ATC4 | xm shutdown ATC5 | xm shutdown ATC6 | xm shutdown ATC7 &"
done

Test CGIs
http://172.108.31.2:10001/cgi-bin/testcgi.cgi?action=node_status
http://172.108.31.2:10002/cgi-bin/testcgi.cgi?action=node_status
http://172.108.31.2:10003/cgi-bin/testcgi.cgi?action=node_status
http://172.108.31.2:10004/cgi-bin/testcgi.cgi?action=node_status
http://172.108.31.2:10005/cgi-bin/testcgi.cgi?action=node_status
http://172.108.31.2:10006/cgi-bin/testcgi.cgi?action=node_status
http://172.108.31.2:10007/cgi-bin/testcgi.cgi?action=node_status

2011年5月5日星期四

Apache~ GZIP 啟動

安裝 mod_deflate

修改 C:/AppServ/Apache2.2/conf/httpd.conf 添加

#LoadModule deflate_module modules/mod_deflate.so
去掉前面的 #
LoadModule deflate_module modules/mod_deflate.so
在底下添加：

<ifmodule mod_deflate.c>
 DeflateCompressionLevel 9
 AddOutputFilterByType DEFLATE text/html text/plain text/xml application/x-httpd-php
 AddOutputFilter DEFLATE js css
</ifmodule>

存檔，重新啟動 Apache

2011年5月4日星期三

未來要買的東西

有些不錯的東西, 先紀錄再這邊, 以後再看要不要買, 免的忘掉~

馬上開開飲機 - 10 sec 出熱水

2011年5月25日 星期三

2011年5月18日 星期三

2011年5月10日 星期二

2011年5月5日 星期四

2011年5月4日 星期三

2011年5月25日星期三

2011年5月18日星期三

2011年5月10日星期二

2011年5月5日星期四

2011年5月4日星期三