环境安装几个易漏点

新增用户命令:useradd -g oinstall -G dba -d /opt/oracle/ -s /usr/bin/bash -m oracle
环境变量文件:source ./.profile --当前用户的profile
/etc/profile--全局环境变量
安装软件包命令：zypper in unixODBC-devel

查看堆栈信息和open file
jps
lsof -p |grep xx |wc -l


环境变量：
TERM=xterm
REMOTEHOST=10.166.112.158
HOME=/home/client
PATH=/usr/jdk1.6.0_22/bin:/home/client/bin:/usr/local/bin:/usr/bin:/usr/X11R6/bin:/bin:/usr/games:/opt/gnome/bin:/opt/kde3/bin:/usr/local/bin:/usr/bin:/bin:/home/client/bin:/usr/games:/opt/gnome/bin:/opt/kde3/bin:/usr/bin/X11:/usr/lib/mit/bin:/usr/lib/mit/sbin
SHELL=/usr/bin/csh
MAIL=/var/mail/client
USER=client
LOGNAME=client
HOSTTYPE=x86_64
VENDOR=suse
OSTYPE=linux
MACHTYPE=x86_64-suse-linux
SHLVL=1
PWD=/home/client/apache-tomcat-5.5.27/work/Catalina/localhost/cmread/org/apache/jsp/toolsjsp/ajax
GROUP=client
HOST=iread006
CSHEDIT=emacs
CPU=x86_64
HOSTNAME=iread006
INPUTRC=/etc/inputrc
TEXINPUTS=:/home/client/.TeX:/usr/share/doc/.TeX:/usr/doc/.TeX
LESS=-M -I
LESSOPEN=lessopen.sh %s
LESSCLOSE=lessclose.sh %s %s
LESS_ADVANCED_PREPROCESSOR=no
LESSKEY=/etc/lesskey.bin
PAGER=less
MORE=-sl
MINICOM=-c on
MANPATH=/usr/local/man:/usr/share/man:/opt/gnome/share/man:/usr/X11R6/man
INFODIR=/usr/local/info:/usr/share/info:/usr/info
INFOPATH=/usr/local/info:/usr/share/info:/usr/info:/opt/gnome/share/info
XKEYSYMDB=/usr/X11R6/lib/X11/XKeysymDB
XNLSPATH=/usr/X11R6/lib/X11/nls
NNTPSERVER=news
COLORTERM=1
JAVA_BINDIR=/usr/jdk1.6.0_22/bin
JAVA_ROOT=/usr/jdk1.6.0_22
JAVA_HOME=/usr/jdk1.6.0_22
JRE_HOME=/usr/jdk1.6.0_22/jre
JDK_HOME=/usr/jdk1.6.0_22
SDK_HOME=/usr/jdk1.6.0_22
CVS_RSH=ssh
XCURSOR_THEME=Industrial
QT_SYSTEM_DIR=/usr/share/desktop-data
ACLOCAL_FLAGS=-I /opt/gnome/share/aclocal
PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/local/share/pkgconfig:/usr/lib64/pkgconfig:/usr/share/pkgconfig:/opt/kde3/lib64/pkgconfig:/opt/gnome/lib64/pkgconfig:/opt/gnome/lib64/pkgconfig:/opt/gnome/share/pkgconfig
GNOME2_PATH=/usr/local:/opt/gnome:/usr
XDG_DATA_DIRS=/usr/local/share/:/usr/share/:/etc/opt/kde3/share/:/opt/kde3/share/:/opt/gnome/share/
XDG_CONFIG_DIRS=/usr/local/etc/xdg/:/etc/xdg/:/etc/opt/gnome/xdg/
GROFF_NO_SGR=yes
GTK_PATH=/usr/local/lib/gtk-2.0:/opt/gnome/lib/gtk-2.0:/usr/lib/gtk-2.0
GTK_PATH64=/usr/local/lib64/gtk-2.0:/opt/gnome/lib64/gtk-2.0:/usr/lib64/gtk-2.0
LANG=en_US.UTF-8
FROM_HEADER=
WINDOWMANAGER=/usr/bin/X11/kde
PYTHONSTARTUP=/etc/pythonstart
G_BROKEN_FILENAMES=1
G_FILENAME_ENCODING=@locale,UTF-8,ISO-8859-1,CP1252
ENV=/etc/bash.bashrc
CSHRCREAD=true
LS_COLORS=no=00:fi=00:di=01;34:ln=00;36:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=41;33;01:ex=00;32:*.cmd=00;32:*.exe=01;32:*.com=01;32:*.bat=01;32:*.btm=01;32:*.dll=01;32:*.tar=00;31:*.tbz=00;31:*.tgz=00;31:*.rpm=00;31:*.deb=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.zip=00;31:*.zoo=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.tb2=00;31:*.tz2=00;31:*.tbz2=00;31:*.avi=01;35:*.bmp=01;35:*.fli=01;35:*.gif=01;35:*.jpg=01;35:*.jpeg=01;35:*.mng=01;35:*.mov=01;35:*.mpg=01;35:*.pcx=01;35:*.pbm=01;35:*.pgm=01;35:*.png=01;35:*.ppm=01;35:*.tga=01;35:*.tif=01;35:*.xbm=01;35:*.xpm=01;35:*.dl=01;35:*.gl=01;35:*.wmv=01;35:*.aiff=00;32:*.au=00;32:*.mid=00;32:*.mp3=00;32:*.ogg=00;32:*.voc=00;32:*.wav=00;32:
LS_OPTIONS=-N --color=tty -T 0
CATALINA_HOME=/home/client/apache-tomcat-5.5.27
CLASSPATH=.:/usr/jdk1.6.0_22/lib/jt.jar:/usr/jdk1.6.0_22/lib/tools.jar:/usr/jdk1.6.0_22/jre/lib:/home/client/apache-tomcat-5.5.27/webapps/cmread/WEB-INF/classes
LC_ALL=zh_CN.GBK