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½Å±¾¹¦ÄÜ: ¶¨ÆÚ¶ÔһЩÏîÄ¿½øÐÐÍêÕû±¸·Ý.
project.lst Îļþ¸ñʽÈçÏÂ:
project1
project2
±¸·Ý½Å±¾ÈçÏÂ:
#!/bin/sh
#
# subversion data backup script
# by scud http://www.jscud.com
# 2005-11-27
#
# subversionÍêÕû±¸·ÝµÄ½Å±¾,µ÷ÕûºÃºóʹÓÃcrontab -e ·Åµ½×Ô¶¯Ö´ÐÐÀïÃæ¼´¿É.
#
#±¸·ÝÈÕÖ¾Îļþ
LogFile=/backup/svn/svnbak.log
DATE=`date +%Y%m%d`
#±¸·ÝĿ¼
BakDir=/backup/svn/data
#ÈÕ³£±¸·ÝĿ¼,Èç¹ûÓÐ
DailyDir=/backup/svn/daily
#Òª±¸·ÝµÄÏîÄ¿ÁбíÎļþ,Ö»ÓÐÏîÄ¿Ãû
ProjectLst=/backup/svn/project.lst
#ËùÓÐÏîÄ¿¶¼±£´æÔÚÕâ¸öĿ¼ÏÂ
SvnDir=/var/svn
#svnadmin³ÌÐòµÄ·¾¶
SVNADMIN=/app/subversion/bin/svnadmin
echo " " >> $LogFile
echo " " >> $LogFile
echo "-------------------------------------------" >> $LogFile
echo $(date +"%y-%m-%d %H:%M:%S") >> $LogFile
echo "--------------------------" >> $LogFile
cd $BakDir
#¶ÁÈ¡ÏîÄ¿Áбí
PROJECTLIST=`cat $ProjectLst`
for project in $PROJECTLIST
do
projectdata=$SvnDir/$project
destdir=$BakDir/$project
dumpfile=$DATE.$project.tgz
if [ -f $BakDir/$dumpfile ]
then
echo "backup file have exist!" >>$LogFile
else
$SVNADMIN hotcopy $projectdata $destdir --clean-logs
tar czvf $dumpfile $destdir >/dev/null
rm -fr $project
echo "backup $project done into $dumpfile ">>$LogFile
fi
## delete old tgz ´Ë´¦¸ù¾ÝcrontabµÄʱ¼äµ÷Õû,ÀýÈçÒ»ÖÜÒ»´Î±¸·Ý,´Ë´¦±£ÁôÁË5·Ý±¸·Ý,ÒÔǰµÄɾ³ý
oldfile="$BakDir/"$(date +%y%m%d --date=’28 days ago’).$project.tgz
if [ -f $oldfile ]
then
rm -f $oldfile >> $LogFile 2>&1
echo "[$oldfile]Delete Old File Success!" >> $LogFile
else
echo "[$oldfile]No Old Backup File!" >> $LogFile
fi
done
#delete previous daily backup files
cd $DailyDir
rm -f *
¸ù¾Ý×Ô¼ºµÄÉèÖÃÅäÖúúó,ʹÓÃcrontab ·Åµ½¶¨Ê±Ö´ÐеÄÈÎÎñÀï¼´¿É.


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linuxÌõ¼þ±äÁ¿Àý³Ì

#include
#include
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
void *thread1(void *);
void *thread2(void *);
int i=1;
main(void)
{
pthread_t t_a;
pthread_t t_b;
pthread_create(&t_a,NULL,thread1,(void *)NULL) ......

Linux´óʦ£¨¹Å³£¬Guru£©ÍƼöʲô£¿






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linux 0.11 ÄÚºËѧϰ read_write.c


/*
 * ¸ÃÎļþʵÏÖϵͳµ÷ÓÃread£¬writeºÍlseek¡£
 */
/*
 *  linux/fs/read_write.c
 *
 *  (C) 1991  Linus Torvalds
 */
#include <sys/stat.h>
#include <errno.h>
#include <sys/types.h>
#include <linux/kernel.h>
#include < ......

linuxÉèÖà ÈÃoracle10g×ÔÆô¶¯


ÔÚ/etc/rc.d/init.d/ ´´½¨oracle10gÎļþ
touch oracle10g
chmod a+x oracle10g
[root@test~]# vi /etc/rc.d/init.d/oracle10g
#!/bin/bash
#chkconfig:345 51 49
#description:starts the oracle database deamons
#
ORACLE_HOME=/oracle/product/10.2.0/db_1
ORACLE_OWNER=oracle
case "$1" in
start)
echo ......
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