bulain

oracle server configuration
#listener.ora
SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC = 
      (GLOBAL_DBNAME = orcl) 
      (ORACLE_HOME = C:\oracle\product\11.2.0\dbhome_1) 
      (SID_NAME = orcl) 
    ) 
    (SID_DESC =

bulain

create tablespace demos
  logging
  datafile '<path>/demo01.dbf' 
  size 256m 
  autoextend on 
  next 64m maxsize 2048m
  extent management local;

CREATE USER demo
  IDENTIFIED BY demo

bulain

#replace in vim
[addr]s/src/dist/[option]

addr: the range
nothing	Work on current line only.
number	Work on the line whose number you give.
%	The whole file.


option: the arguments 

bulain

1. USER_*, ALL_*, DBA_*.
2. V_$, GV_$, V$, GV$.
3. X$.

bulain

#java debug remote
x.debug=-Xdebug
x.noagent=-Xnoagent
x.compiler=-Djava.compiler=NONE
x.debugport=-Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8000

bulain

select * from all_source where text like 'ddl column';

bulain

#Kind of OOM
java.lang.OutOfMemoryError: Java heap space
java.lang.OutOfMemoryError: Direct buffer memory
java.lang.OutOfMemoryError: unable to create new native thread
java.lang.OutOfMemoryError: PermGen space
java.lang.OutOfMemoryError: Requested array size exceeds VM limit
java.lang.OutOfMemoryError: <reason> <stack trace> (Native method)

#JVM options
-verbosegc -XX:+HeapDumpOnOutOfMemoryError

bulain

ssh-keygen -t rsa -C "[email protected]"
cat id_rsa.pub >> ~/.ssh/authorized_keys
puttygen.exe generate bulain.ppk

bulain

vim /etc/profile.d/proxy.sh
export http_proxy=http://proxy:8080
export https_proxy=https://proxy:8080

bulain

vim /etc/apt/apt.conf
Acquire::http::proxy "http://proxy:8080";