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piotr_szwarc
Dynatrace Guide
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on
09 Apr 2024
11:14 AM
- edited on
14 Nov 2024
10:27 AM
by
HannahM
- Diagnose Synthetic ActiveGate installation/update failure due to missing dependencies
- Fix missing dependencies
- Red Hat Enterprise Linux 7 status
Diagnose Synthetic ActiveGate installation/update failure due to missing dependencies
Missing dependencies can show up in a few different ways in the installation log. You can find clear information about the missing dependency and what you need to do to fix it. The Synthetic installer log can be found at /var/log/dynatrace/synthetic/dynatracesynthetic-install <datetimeOfInstall>.log on Linux hosts. If this file does not exist, you can check /tmp/ for any dynatracesynthetic-install <datetimeOfInstall>.log files.
Here's an example log file output when there are missing packages.
14/08 14:51:12 Checking if VUC dependencies are installed... 14/08 14:51:12 - Package libnss3-tools is NOT installed! 14/08 14:51:12 Executing a dry run of missing packages installation 14/08 14:51:12 Command: apt-get update && apt-get install --dry-run libnss3-tools ...
Reading package lists... Reading package lists... Building dependency tree... Reading state information... E: Unable to locate package libnss3-tools 14/08 14:51:14 ERROR: Dry run of missing packages: ' libnss3-tools', installation failed!
This output shows that the repositories aren't enabled.
29/05 18:44:09 ERROR: Repository EPEL is NOT enabled! 29/05 18:44:09 Checking if instance is registered... 29/05 18:44:10 29/05 18:44:10 For a typical OS installation with a working Internet connection, use 29/05 18:44:10 the following commands to enable required repositories: 29/05 18:44:10 29/05 18:44:10 sudo subscription-manager repos --enable rhel-7-server-extras-rpms 29/05 18:44:10 sudo subscription-manager repos --enable rhel-7-server-optional-rpms 29/05 18:44:10 sudo rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm 29/05 18:44:10 29/05 18:44:10 Aborting installation... 29/05 18:44:10 Nothing to rollback (/opt/data/synthetic_autobackup not exists) 29/05 18:44:10 Installation failed.
Here's another example of log file output when required packages are not installed.
18/05 13:03:56 Verifying installed software compatibility... 18/05 13:03:56 ERROR: Package chromium is NOT installed! 18/05 13:03:56 ERROR: Package libwayland-server is NOT installed! 18/05 13:03:57 ERROR: Package mesa-libgbm is NOT installed! 18/05 13:03:57 18/05 13:03:57 For a typical OS installation with a working Internet connection, use 18/05 13:03:57 the following commands to install required package(s): 18/05 13:03:57 18/05 13:03:57 sudo yum install -y libwayland-server mesa-libgbm 18/05 13:03:57 18/05 13:03:57 sudo rpm -e chromium-common 18/05 13:03:57 18/05 13:03:57 curl --remote-name https://synthetic-packages.s3.amazonaws.com/Chromium/rpm/chromium-96.0.4664.110-2.el8.tgz 18/05 13:03:57 tar xzf chromium-96.0.4664.110-2.el8.tgz 18/05 13:03:57 sudo yum install -y chromium-96.0.4664.110-2.el8.x86_64.rpm chromium-common-96.0.4664.110-2.el8.x86_64.rpm 18/05 13:03:57 18/05 13:03:57 ERROR: Install missing or reinstall invalid packages and restart installation. 18/05 13:03:57 Aborting installation... 18/05 13:03:57 Installation failed.
Fix missing dependencies
For updates
- Follow the instructions in the installation log on how to install the missing dependencies.
- Run the update again.
For new installations
-
Uninstall ActiveGate.
See Uninstall ActiveGate for details.
-
Satisfy the dependencies.
-
Run the installation again. Follow the instructions in Create a private Synthetic location.
Red Hat Enterprise Linux 7 status
Since Red Hat Enterprise Linux 7 reached End of Maintenance support on June 30 2024, all it's packages have been archived. This means that it is more challenging/ not possible to find the required dependencies for updates. For this reason, we recommend updating to a different OS.
The last version of the EPEL package can be downloaded using the following command
sudo rpm -Uvh https://archives.fedoraproject.org/pub/archive/epel/7/x86_64/Packages/e/epel-release-7-14.noarch.rpm
Any other libraries or packages will need to be sourced from elsewhere on your network or archives online. CentOS 7 files can be used.
The following places contain some archived packages:
https://archives.fedoraproject.org/pub/archive/epel/7/x86_64/Packages/
https://vault.centos.org/7.9.2009/extras/x86_64/Packages/
You can also search on https://rpmfind.net/ for the library you are missing and download the el7 version, where one exists.
