Wiki异地备份脚本
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脚本主体
#!/bin/bash
#run on root user file name tran
#var
#on freebsd yesterday
TODAY=`date -v -1d +%Y%m%d`
#on linux
#TODAY=`date +%Y%m%d`
#TODAY=`date -d '1 days ago' +%Y%m%d` #yesterday
#20180813
#显示前一天为
#DATE1=`date -d '1 days ago' +%Y%m%d` 加-d参数可以设置与当前日期的计算时间，同样，前2天为'2 days ago'，去掉ago则为当前日期之后多少天
rsync -avz /data/www/wiki.linuxchina.net/ /home/evan/wiki/
cp -a /data/backup/wikilinuxchina_${TODAY}.sql.gz /home/evan/
sleep 4
chown -R evan:evan /home/evan
su - evan -c "rsync -avz /home/evan/wiki/ [email protected]:~/wikibak/"
su - evan -c "rsync -avz /home/evan/wikilinuxchina_${TODAY}.sql.gz [email protected]:~/wikibak/"
rm -f /home/evan/wikilinuxchina_${TODAY}.sql.gz
#10 20 * * * /bin/bash /data/mon/tran 2>&1 >/dev/null
知识点
shell脚本中使用其他用户执行脚本
su - root -c "ls -l /root"
Warning: Permanently added '119.23.28.89' (RSA) to the list of known hosts. [email protected]'s password: bash: rsync: command not found rsync: connection unexpectedly closed (0 bytes received so far) [Receiver] rsync error: remote command not found (code 127) at io.c(226) [Receiver=3.1.2] 原因server 没有安装rsync
