Linux PostgreSQL数据库备份为空-什么';怎么了?
我想配置Alfresco数据库(PostgreSQL rdbms)的备份 为此,我有这样一个脚本:Linux PostgreSQL数据库备份为空-什么';怎么了?,linux,bash,postgresql,cron,backup,Linux,Bash,Postgresql,Cron,Backup,我想配置Alfresco数据库(PostgreSQL rdbms)的备份 为此,我有这样一个脚本: PGPASSWORD="some_password" pg_dump -h localhost -U postgres -Fc -Z9 -c -f /home/bykovan/alfresco-data-backup/"`date +%d-%m-%Y`".alfresco.backup alfresco psql创建备份: #!/bin/sh pg_dump -h localhost -U po
PGPASSWORD="some_password" pg_dump -h localhost -U postgres -Fc -Z9 -c -f /home/bykovan/alfresco-data-backup/"`date +%d-%m-%Y`".alfresco.backup alfresco
psql创建备份:
#!/bin/sh
pg_dump -h localhost -U postgres -Fc -Z9 -c -f /home/bykovan/alfresco-data-backup/"`date +%d-%m-%Y`".alfresco.backup alfresco
我将其保存在/home/bykovan
中,并授予执行权限:
[bykovan@docflow ~]$ sudo chmod 711 psql-create-backup
然后我将作业添加到cron:
[bykovan@docflow ~]$ sudo crontab -e
...
0 0 * * * /home/bykovan/psql-create-backup
在pg_hba.conf
中,我添加了这一行host all 127.0.0.1/32 trust
:
[bykovan@docflow ~]$ sudo vi /var/lib/pgsql/9.5/data/pg_hba.conf
-- SKIPPED --
# TYPE DATABASE USER ADDRESS METHOD
# "local" is for Unix domain socket connections only
#local all all peer
local all all md5
# IPv4 local connections:
#host all all 127.0.0.1/32 ident
host all all 127.0.0.1/32 trust
host all all 127.0.0.1/32 md5
# IPv6 local connections:
#host all all ::1/128 ident
# Allow replication connections from localhost, by a user with the
# replication privilege.
#local replication postgres peer
#host replication postgres 127.0.0.1/32 ident
#host replication postgres ::1/128 ident
host all all 192.168.0.0/16 md5
-- VISUAL BLOCK --
备份为空:
[bykovan@docflow alfresco-data-backup]$ ls -lh
-rw-r--r-- 1 root root 0 feb 18 00:00 18-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 19 00:00 19-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 20 00:00 20-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 21 00:00 21-02-2017.alfresco.backup
在
pg_hba.conf
中,我添加了以下几行:
host all all ::1/128 md5
host all postgres 127.0.0.1/32 trust
然后重新启动服务:
[bykovan@docflow ~]$ sudo service postgresql-9.5 stop
Redirecting to /bin/systemctl stop postgresql-9.5.service
[bykovan@docflow ~]$ sudo service postgresql-9.5 start
Redirecting to /bin/systemctl start postgresql-9.5.service
然后在提示符中运行command direct(提示输入密码),并看到以下内容:
[bykovan@docflow alfresco-data-backup]$ ls -lh
-rw-r--r-- 1 root root 0 feb 17 18:39 17-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 18 00:00 18-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 19 00:00 19-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 20 00:00 20-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 21 19:41 21-02-2017.alfresco.backup
-rw-r--r-- 1 root root 667K feb 22 07:04 22-02-2017.alfresco.backup
但是通过cron运行任务给了我空文件
我错在哪里?我在脚本中设置了密码,现在看起来是这样的:
PGPASSWORD="some_password" pg_dump -h localhost -U postgres -Fc -Z9 -c -f /home/bykovan/alfresco-data-backup/"`date +%d-%m-%Y`".alfresco.backup alfresco
现在一切正常。如果在提示符中直接运行命令,会发生什么?运行正常?能否提供安装在
crontab
中的pg\u dump
的完整路径?您可能需要使用.pgpass文件