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# 以下為BIG-5連線
$ ssh bbs@ptt.cc

# 以下為UTF-8連線
$ ssh bbsu@ptt.cc

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# vim /etc/ssh/sshd_config
============APPEND==============
UseDNS no
============APPEND==============


# service sshd restart

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# sed -i "N;s/\n/ /g" text.txt

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# vim /etc/network/interfaces
===================================                             
auto lo
iface lo inet loopback

auto br0 
iface br0 inet static

    address 172.17.11.1
    netmask 255.255.254.0
    gateway 172.17.10.254
    dns-search dreamtails.local
    bridge_ports eth0
    bridge_stp off

    post-up route add default via 172.17.10.254 dev br0 

auto br1 
iface br1 inet dhcp
    bridge_ports eth1
    bridge_stp off 

    post-up route del default dev br1
===================================

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# vim /etc/dhcp/dhcpd6.conf
===========add==============
......
log-facility local0;
......
===========add==============

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Command: "C:\Program Files (x86)\Xming\Xming.exe" :0 -clipboard -multiwindow -dpi 112

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$ sudo vim /etc/network/interfaces
=============================
# interfaces(5) file used by ifup(8) and ifdown(8)                              
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
address 172.17.11.1
netmask 255.255.254.0
gateway 172.17.10.1
dns-search dreamtails.local     # equal to "search" in /etc/resolv.conf

auto eth1
iface eth1 inet dhcp
post-up route del default dev eth1
==============================

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// write file - overwrite
def filename = "/tmp/text1.txt"
def file = new File(filename)
def w = file.newWriter()

w << "Hello World!"
w.close()

// read file
String r = new File('/tmp/text1.txt').text
println(r)

============= Output =============
Hello World!

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import java.io.File;

File theFile = new File("/tmp/text1.txt");
println("Dirname: " + theFile.getParent());
println("Basename: " + theFile.getName());

============== Output ==============
Dirname: /tmp
Basename: text1.txt

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import java.io.File;

File f = new File("/tmp/text1.txt");
if(f.exists() && !f.isDirectory()) { 
    println("${f.path} - This is a File!")
}

============= Output ===============
/tmp/text1.txt - This is a File!

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1. Install packages
# yum install dhcp*
# yum install radvd

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# mkdir -p /tmp/cores
# chmod a+rwx /tmp/cores
# echo "/tmp/cores/%e.%p.%h.%t.core" > /proc/sys/kernel/core_pattern

------------------------
%p: pid
%: '%' is dropped
%%: output one '%'
%u: uid
%g: gid
%s: signal number
%t: UNIX time of dump
%h: hostname
%e: executable filename
------------------------

# ulimit -c unlimited
# kill -s SIGSEGV $$

Reference: https://sigquit.wordpress.com/2009/03/13/the-core-pattern/

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Filter ChangeList for submitted from 2016/08/10 to Now.
# p4 changes -s submitted //depot/code/...@2016/08/10,@now

Filter ChangeList for pending from 2016/08/10 to 2016/08/14
# p4 changes -s pending //depot/code/...@2016/08/10,@2016/08/15

Show ChangeList 123456 for editing files.
# p4 files @=123456

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$ sudo vim /etc/network/interfaces
-------------------------------------------------------------------------
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
address 10.10.100.1
netmask 255.255.0.0
gateway 10.10.0.254
#post-up route add default via 10.10.0.254 dev eth0

auto eth1
iface eth1 inet dhcp
post-up route del default dev eth1
-------------------------------------------------------------------------

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If the /dev/sdb is USB device.

# sudo -i

# fdisk /dev/sdb
--> n    (Create partition)
.......
--> w

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