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Monday, 24. November 2014 14:46
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m23 12.2 rock now supports CentOS!

Twitter article 2014-04-03 22:45

In m23 12.2 rock, CentOS 6.2 now complements the list of distributions which can be installed and administered with m23. The support for CentOS - like for Fedora14 and openSUSE 11.4 before - was implemented by using the halfSister extension. In addition to this, new features have been added to the halfSister API, the French help texts have been revised and the usual 'bits and pieces' have been added.

CentOS 6.2 is the first halfSister distribution which m23 can install on 32- as well as on 64-bit systems. The community distribution CentOS is based on Red Hat Enterprise Linux (RHEL) and is fully binary compatible to it. It is focused on stability and long-term support and (along with Debian) it constitutes a possibility when you need a system that can be employed in the long run.

Great thanks is due to Philippe Gaunet in this m23 version for the revision of the French m23 help texts and the improvements that have been incorporated into the other language versions.

The halfSister API was complemented by calls for changing user names and passwords. The hardware setup was adapted in such a way that it is now possible to install data partitions on a software RAID and to even allow an installation of some distributions on these. To simplify the development of the m23HSAdmin scripts for the different distributions, there is now the new tool, to check if all implementations have the same functional range.

Package search animation
Package search animation: Also available as YouTube video ;-)

Beside the important changes, there are, of course, also some less obvious improvements. For example, the mount points of partitions are now shown when the mouse pointer is hovering over the info icon. After the creation of a disk or partition image, the client will be shut down or re-booted, depending on its state before the creation of the image. During the search for packages, an animation is now shown and after completion of the search, the long package descriptions and the package sizes in MB are now listed for all distribtutions. Further changes concern the administration of the m23 administrators. Passwords can now contain any kind of character and after logout from m23, the index page of the m23 server is now shown automatically.

Only very rarely, a function is removed from m23, and until now, this fate only occured to outdated distributions which were no longer maintained. This version is an exception of that practice, as it deactivates the plugin interface and removes it from the menu. As far as it is known to us, this interface was never used. However, if there is someone among you who needs this function, now would be a good time to tell us ;-)

Now, let's talk about the bug-fixes: For Debian/Ubuntu, the main user and his/her password for an m23 client can now be changed. For the creation of an image, the necessary SSL certificates are now loaded to the m23 client and the SSH server dropbear is started. To make an immediate formatting possible for complicated partitioning situations, after every creation and deletion of a partition a number of tools are started that forward the changes made on the partition table to the kernel. In the update.php, a syntax error was eliminated, that had led to the problem of update information never being shown.

The latest version is available as update via the m23 interface, via APT, as ISO file to burn the m23 server installation CD or as pre-installed virtual machine (the last two can be found in the download section).

Have fun!

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Development blog
new: PKG_getClientsByPackages: Gets
all clients that have the specific
packages (not) installed (or with
another given status).
new: PKG_getClientsWithWaitingJobs:
Gets all clients that have waiting
new: m23cli /
hp: Lists all clients that have a
NOT package installed.
new: m23cli /
Lists all clients that have waiting
new: CClient::wol: Wakes a client
over the network.
new: m23cli / wol.php: Wakes a
client over the network.
new: CClient::isPingable: Checks,
if the client can be pinged over
the network.
cha: CLIENT_sshFetchJob: Now has an
extra (optional) parameter for the
client's IP.
new: CClient::sshFetchJob: Connects
to the client via SSH and lets the
next job fetch and execute it in a
screen (named "m23install").
new: m23cli / sshFetchJob.php:
Connects to the client via SSH and
lets the next job fetch and execute
it in a screen (named
ilter: Checks, if only clients that
can (not) be pinged should be shown
and if the given client matches the
filter rule.
Filter: Sets the pingable filter
rule (show only clients that can
(not) be pinged or all clients).
cha: CClientLister::showClientList:
Now filters out the client, if it
is not matching the rule of the
pingable filter
new: CClientLister::getClientNames:
Gets an array with all clients
matching the filter rules.
new: m23cli /
listOnlineClients.php: Shows the
clients that can be pinged.
new: m23cli /
listOfflineClients.php: Shows the
clients that can NOT be pinged.
new: CClient::executeBySSH: Runs a
script under a plain BASH with root
rights on the client.
new: m23cli / executeBySSH.php:
Runs a commands under a plain BASH
with root rights on the client.
Returns an random RAID level.
new: CFDiskTest::getRandomUnusedMD:
Returns an random unused MD.
Adds a job to update the package
information of the client to the
installation queue.
new: installSpecialPackage.php:
Installs a special package on a
Fetches current RAID information
from the current client.
new: CFDiskBasic::raidJob:
Generates a RAID creation job and
adds it to the list of partition
Generates the jobs to create all
Last 5 entries
Full changelog

Download status

m23 was updated with the m23 update manager 6561 times. All m23 files were downloaded from Sourceforge 27248 times with a total size of 7325.12 GB.
based on devalcms