Apache Guacamole

maj

maj

Soldato
Joined
19 Jul 2010
Posts
2,767
Location
Durham
Having recently discovered Apache Guacamole, I thought it would be useful to have it hosted on my server to enable me to RDP and SSH via a web browser so installed it on a CentOS 7 VM.

I initially had trouble getting RDP to work but came across a post which said I needed to uninstall the version of FreeRDP, install an older version of FreeRDP, and then exclude FreeRDP from any updates by editing etc/yum.conf.

I've noticed that if I update and upgrade using yum and then restart the VM I am then unable to login to Guacamole afterwards. Here is what is available to update:

Code:
================================================================================
 Package                  Arch       Version                  Repository   Size
================================================================================
Installing:
 kernel                   x86_64     3.10.0-1062.12.1.el7     updates      50 M
Updating:
 NetworkManager           x86_64     1:1.18.0-5.el7_7.2       updates     1.9 M
 NetworkManager-libnm     x86_64     1:1.18.0-5.el7_7.2       updates     1.7 M
 NetworkManager-team      x86_64     1:1.18.0-5.el7_7.2       updates     163 k
 NetworkManager-tui       x86_64     1:1.18.0-5.el7_7.2       updates     327 k
 binutils                 x86_64     2.27-41.base.el7_7.2     updates     5.9 M
 curl                     x86_64     7.29.0-54.el7_7.2        updates     270 k
 firewalld                noarch     0.6.3-2.el7_7.3          updates     441 k
 firewalld-filesystem     noarch     0.6.3-2.el7_7.3          updates      50 k
 iprutils                 x86_64     2.4.17.1-3.el7_7         updates     243 k
 kernel-headers           x86_64     3.10.0-1062.12.1.el7     updates     8.7 M
 kernel-tools             x86_64     3.10.0-1062.12.1.el7     updates     7.9 M
 kernel-tools-libs        x86_64     3.10.0-1062.12.1.el7     updates     7.8 M
 libcurl                  x86_64     7.29.0-54.el7_7.2        updates     223 k
 mesa-khr-devel           x86_64     18.3.4-6.el7_7           updates      19 k
 mesa-libEGL              x86_64     18.3.4-6.el7_7           updates     109 k
 mesa-libEGL-devel        x86_64     18.3.4-6.el7_7           updates      33 k
 mesa-libGL               x86_64     18.3.4-6.el7_7           updates     165 k
 mesa-libGL-devel         x86_64     18.3.4-6.el7_7           updates     163 k
 mesa-libgbm              x86_64     18.3.4-6.el7_7           updates      39 k
 mesa-libglapi            x86_64     18.3.4-6.el7_7           updates      45 k
 python-firewall          noarch     0.6.3-2.el7_7.3          updates     353 k
 python-perf              x86_64     3.10.0-1062.12.1.el7     updates     7.9 M
 sg3_utils                x86_64     1.37-18.el7_7.2          updates     646 k
 sg3_utils-libs           x86_64     1.37-18.el7_7.2          updates      65 k
 systemd                  x86_64     219-67.el7_7.3           updates     5.1 M
 systemd-libs             x86_64     219-67.el7_7.3           updates     411 k
 systemd-sysv             x86_64     219-67.el7_7.3           updates      88 k

Transaction Summary
================================================================================
Install   1 Package
Upgrade  27 Packages

Total download size: 100 M
Is this ok [y/d/N]:


Looking at this list does anyone know what would stop me being able to login after installing these updates? Guacamole uses MariaDB and Tomcat if it helps.

If I check /var/log/messages I can see this:

WARN o.a.g.r.auth.AuthenticationService - Authentication attempt from <My Desktop IP> for user "david" failed.

Tomcat service is enabled and running if I run:

Code:
systemctl is-active tomcat
systemctl is-enabled tomcat


If I shut the VM down and restore a snapshot before these updates are installed I can login fine.
 
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