Entries from February 2017

Ubuntu 16.04.02 Hang on Reboot or Shutdown

Date February 28, 2017

Had a problem after an update that when I force a restart or a shutdown on my server, it hangs on the last part of the process. To fix my problem, I had to edit the /etc/default/grub config file and added acpi=force apm=power_off to the config line, between the double quotation marks… 1 GRUB_CMDLINE_LINUX_DEFAULT=""GRUB_CMDLINE_LINUX_DEFAULT="" and […]

Heap Dump and Remote Tomcat 8-OpenJDK 8 Memory Monitoring

Date February 13, 2017

Memory problem.. the thorn of web apps… I have to connect to my remote server to monitor its memory usage and produce a heap dump. Bellow is the steps I had to configure the server to allow me to connect a remote monitor tool. Requirement: VisualVM app, download here Access your catalina.sh file. Look for […]