root@debian:~# sudo -i DEBIAN_FRONTEND=noninteractive apt-get install percona-server-server-5.5 percona-server-client-5.5
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following package was automatically installed and is no longer required:
libhtml-template-perl
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
percona-server-common-5.5
Suggested packages:
tinyca
The following packages will be REMOVED:
percona-server-client-5.6 percona-server-common-5.6 percona-server-server-5.6
The following NEW packages will be installed:
percona-server-client-5.5 percona-server-common-5.5 percona-server-server-5.5
0 upgraded, 3 newly installed, 3 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 30.1 MB of archives.
After this operation, 21.3 MB disk space will be freed.
Do you want to continue [Y/n]? Y
WARNING: The following packages cannot be authenticated!
percona-server-common-5.5 percona-server-client-5.5 percona-server-server-5.5
Install these packages without verification [y/N]? y
Get:1 http://repo.percona.com/apt/ squeeze/main percona-server-common-5.5 amd64 5.5.32-rel31.0-549.squeeze [2,760 B]
Get:2 http://repo.percona.com/apt/ squeeze/main percona-server-client-5.5 amd64 5.5.32-rel31.0-549.squeeze [8,543 kB]
Get:3 http://repo.percona.com/apt/ squeeze/main percona-server-server-5.5 amd64 5.5.32-rel31.0-549.squeeze [21.6 MB]
Fetched 30.1 MB in 1min 31s (331 kB/s)
Preconfiguring packages ...
(Reading database ... 130321 files and directories currently installed.)
Removing percona-server-server-5.6 ...
Stopping MySQL (Percona Server): mysqld/usr/sbin/mysqld: Can't read dir of '/etc/mysql/conf.d/' (Errcode: 2 - No such file or directory)
Fatal error in defaults handling. Program aborted
/usr/sbin/mysqld: Can't read dir of '/etc/mysql/conf.d/' (Errcode: 2 - No such file or directory)
Fatal error in defaults handling. Program aborted
.
Removing percona-server-client-5.6 ...
Removing percona-server-common-5.6 ...
Processing triggers for man-db ...
Processing triggers for menu ...
Selecting previously deselected package percona-server-common-5.5.
(Reading database ... 130067 files and directories currently installed.)
Unpacking percona-server-common-5.5 (from .../percona-server-common-5.5_5.5.32-rel31.0-549.squeeze_amd64.deb) ...
Selecting previously deselected package percona-server-client-5.5.
Unpacking percona-server-client-5.5 (from .../percona-server-client-5.5_5.5.32-rel31.0-549.squeeze_amd64.deb) ...
Selecting previously deselected package percona-server-server-5.5.
Unpacking percona-server-server-5.5 (from .../percona-server-server-5.5_5.5.32-rel31.0-549.squeeze_amd64.deb) ...
Aborting downgrade from (at least) 5.6 to 5.5.
If are sure you want to downgrade to 5.5, remove the file
/var/lib/mysql/debian-*.flag and try installing again.
dpkg: error processing /var/cache/apt/archives/percona-server-server-5.5_5.5.32-rel31.0-549.squeeze_amd64.deb (--unpack):
subprocess new pre-installation script returned error exit status 1
configured to not write apport reports Processing triggers for man-db ...
Processing triggers for menu ...
Errors were encountered while processing:
/var/cache/apt/archives/percona-server-server-5.5_5.5.32-rel31.0-549.squeeze_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@debian:~#
Same thing happened with PS 5.5.32
root@debian:~# sudo -i DEBIAN_ FRONTEND= noninteractive apt-get install percona- server- server- 5.5 percona- server- client- 5.5 template- perl server- common- 5.5 server- client- 5.6 percona- server- common- 5.6 percona- server- server- 5.6 server- client- 5.5 percona- server- common- 5.5 percona- server- server- 5.5 server- common- 5.5 percona- server- client- 5.5 percona- server- server- 5.5 repo.percona. com/apt/ squeeze/main percona- server- common- 5.5 amd64 5.5.32- rel31.0- 549.squeeze [2,760 B] repo.percona. com/apt/ squeeze/main percona- server- client- 5.5 amd64 5.5.32- rel31.0- 549.squeeze [8,543 kB] repo.percona. com/apt/ squeeze/main percona- server- server- 5.5 amd64 5.5.32- rel31.0- 549.squeeze [21.6 MB] server- server- 5.6 ... usr/sbin/ mysqld: Can't read dir of '/etc/mysql/ conf.d/ ' (Errcode: 2 - No such file or directory) conf.d/ ' (Errcode: 2 - No such file or directory) server- client- 5.6 ... server- common- 5.6 ... server- common- 5.5. server- common- 5.5 (from .../percona- server- common- 5.5_5.5. 32-rel31. 0-549.squeeze_ amd64.deb) ... server- client- 5.5. server- client- 5.5 (from .../percona- server- client- 5.5_5.5. 32-rel31. 0-549.squeeze_ amd64.deb) ... server- server- 5.5. server- server- 5.5 (from .../percona- server- server- 5.5_5.5. 32-rel31. 0-549.squeeze_ amd64.deb) ... mysql/debian- *.flag and try installing again. apt/archives/ percona- server- server- 5.5_5.5. 32-rel31. 0-549.squeeze_ amd64.deb (--unpack):
Processing triggers for man-db ... apt/archives/ percona- server- server- 5.5_5.5. 32-rel31. 0-549.squeeze_ amd64.deb
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following package was automatically installed and is no longer required:
libhtml-
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
percona-
Suggested packages:
tinyca
The following packages will be REMOVED:
percona-
The following NEW packages will be installed:
percona-
0 upgraded, 3 newly installed, 3 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 30.1 MB of archives.
After this operation, 21.3 MB disk space will be freed.
Do you want to continue [Y/n]? Y
WARNING: The following packages cannot be authenticated!
percona-
Install these packages without verification [y/N]? y
Get:1 http://
Get:2 http://
Get:3 http://
Fetched 30.1 MB in 1min 31s (331 kB/s)
Preconfiguring packages ...
(Reading database ... 130321 files and directories currently installed.)
Removing percona-
Stopping MySQL (Percona Server): mysqld/
Fatal error in defaults handling. Program aborted
/usr/sbin/mysqld: Can't read dir of '/etc/mysql/
Fatal error in defaults handling. Program aborted
.
Removing percona-
Removing percona-
Processing triggers for man-db ...
Processing triggers for menu ...
Selecting previously deselected package percona-
(Reading database ... 130067 files and directories currently installed.)
Unpacking percona-
Selecting previously deselected package percona-
Unpacking percona-
Selecting previously deselected package percona-
Unpacking percona-
Aborting downgrade from (at least) 5.6 to 5.5.
If are sure you want to downgrade to 5.5, remove the file
/var/lib/
dpkg: error processing /var/cache/
subprocess new pre-installation script returned error exit status 1
configured to not write apport reports
Processing triggers for menu ...
Errors were encountered while processing:
/var/cache/
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@debian:~#