UNIX/Linux management was deprecated for ConfigMgr 1902 and greater. Ubuntu 18.04 is not in supported operating systems list. However, I've done some changes to manage them too:
- Execute a query in a CM database.
INSERT INTO SupportedPlatforms
(Id, OSPlatform, OSName, OSMinVersion, OSMaxVersion, DisplayText, StringId, Condition, ClientSupported, Metric, BitMask, HybridSupported)
VALUES
(4148, 'x86', 'Debian', '9.00.0000.0', '9.99.9999.9999', 'x86 Debian 9', 4148, '<Operator OperatorType="AND"><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_OperatingSystem WHERE Version like ''9%'' AND OSType=36 AND Caption like ''%Debian GNU/Linux 9%'']]></Expression><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_Processor WHERE Architecture=0]]></Expression></Operator>', 1, 200, 0, 0),
(4149, 'x64', 'Debian', '9.00.0000.0', '9.99.9999.9999', 'x64 Debian 9', 4149, '<Operator OperatorType="AND"><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_OperatingSystem WHERE Version like ''9%'' AND OSType=36 AND Caption like ''%Debian GNU/Linux 9%'']]></Expression><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_Processor WHERE Architecture=9]]></Expression></Operator>', 1, 200, 0, 0),
(4150, 'x86', 'Ubuntu', '18.04.0000.0', '18.04.9999.9999', 'x86 Ubuntu 18.04', 4150, '<Operator OperatorType="AND"><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_OperatingSystem WHERE Version like ''18.%'' AND OSType=36 AND Caption like ''%Ubuntu 18%'']]></Expression><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_Processor WHERE Architecture=0]]></Expression></Operator>', 1, 200, 0, 0),
(4151, 'x64', 'Ubuntu', '18.04.0000.0', '18.04.9999.9999', 'x64 Ubuntu 18.04', 4151, '<Operator OperatorType="AND"><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_OperatingSystem WHERE Version like ''18.%'' AND OSType=36 AND Caption like ''%Ubuntu 18%'']]></Expression><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_Processor WHERE Architecture=9]]></Expression></Operator>', 1, 200, 0, 0),
(4152, 'x86', 'Debian', '10.00.0000.0', '10.99.9999.9999', 'x86 Debian 10', 4152, '<Operator OperatorType="AND"><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_OperatingSystem WHERE Version like ''10%'' AND OSType=36 AND Caption like ''%Debian GNU/Linux 10%'']]></Expression><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_Processor WHERE Architecture=0]]></Expression></Operator>', 1, 200, 0, 0),
(4153, 'x64', 'Debian', '10.00.0000.0', '10.99.9999.9999', 'x64 Debian 10', 4153, '<Operator OperatorType="AND"><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_OperatingSystem WHERE Version like ''10%'' AND OSType=36 AND Caption like ''%Debian GNU/Linux 10%'']]></Expression><Expression ExpressionType="continuous" ExpressionLanguage="WQL"><![CDATA[SELECT * FROM Win32_Processor WHERE Architecture=9]]></Expression></Operator>', 1, 200, 0, 0)
- Install latest omiagent on Ubuntu computers.
- Download and unpack Clients for Additional Operating Systems.
- Change a line
OPENSSL_SYSTEM_VERSION_100=
in the install script on this OPENSSL_SYSTEM_VERSION_100=`echo $OPENSSL_SYSTEM_VERSION_FULL | grep -Eq '^1.(0|1).'; echo $?`
.
- Install agent as it described here - How to deploy clients to UNIX and Linux servers in Configuration Manager.
You should understand that is not supported scenario.