Symptom: Unable to check status of exacqVision Server. <br> Problem: Running the Terminal command, ‘sudo service edvrserver status’ fails. Introduced with exacqVision Server version 7.6. <br> Solution: Update to exacqVision Server version 9.6.4
Tag: Linux
Manually Create a Swapfile in Linux
Step 1: Determine if a swapfile already exists Open a Terminal and enter the command free -m If the result shows the swap has 0 total MB, 0 used MB, and 0 free MB then there is no swapfile. Step 2: Check the Amount of Available Free Space In Terminal, enter df -h Step 3:… Continue reading Manually Create a Swapfile in Linux
How to Determine if a Drive is Read-Only
In Linux systems a filesystem error may cause a storage volume to be re-mounted by the operating system as Read-Only. This could be evident on the Storage page under the Drives tab when the volume status changes to ‘Write Error’ or when you attempt to search for video and find the system does not appear… Continue reading How to Determine if a Drive is Read-Only
Fork error issue
Linux Fork issue: Any customer having this issue should increase their swap from 512 to at least 1GB or 2GB. (2 recommended) To work around this issue we can manually add additional swap space with the following commands: sudo dd if=/dev/zero of=/swapfile2 bs=1M count=1024 sudo chmod 600 /swapfile2sudo mkswap /swapfile2echo $’/swapfile2\tswap\tswap\tdefaults\t0\t0′ | sudo tee –append… Continue reading Fork error issue
Brand new Linux systems may be missing initial exacqVision Server and/or EM administrative credentials
Issue All exacqVision Server systems, excluding C-Series Client Workstations, on initial boot proceed with an initial setup process: End user will be directed to create initial administrative credentials for the OS.End user may be asked additional questions.Once system completes this initial setup, it will allow the end user to now login to the OS with… Continue reading Brand new Linux systems may be missing initial exacqVision Server and/or EM administrative credentials
Additional Linux resources needed for larger installations
Description Crashes found during restarts were traced back to insufficient file descriptors.On larger installations we need to tune the linux server by allowing more file descriptors for our process.The problem has been seen on systems with as few as 117 streams when storage rules are in effect. <br> Version Introduced From beginning, scaleability issue. <br>… Continue reading Additional Linux resources needed for larger installations
Resetting a Password in Enterprise System Manager
**This should NEVER be given out to a customer** To reset the password for a user in Enterprise Manager, complete the following steps for Windows or Linux. <br> Windows <br> Linux **If unable to login to the EM Web Portal on a Linux box after resetting the password, either user a different browser or upgrade… Continue reading Resetting a Password in Enterprise System Manager
dpkg-reconfigure causes a false-negative error message
Description Why would someone ever want to execute dpkg-reconfigure when edvrserver already installed? To re-execute any of the following postinst actions: Update nsswitch.conf for our mDNSresponder.Configure rp_filter for camera discovery.Restore MISSING streampi.xml. (reminds me of a factory default)Restore MISSING useraccounts.xml. (reminds me of a factory default)Make pulse audio system-wide.And of course, if you want to… Continue reading dpkg-reconfigure causes a false-negative error message
Factory defaulted Illustra cameras cannot be discovered by exacqVision running on Ubuntu
Symptom When Illustra cameras are factory defaulted they have a gateway value of 0.0.0.0 in the network settings. Ubuntu servers use a mechanism called “reverse path filtering” set <br> Affected platforms Illustra Pro, Flex and Essentials camerasUbuntu 10.04, 12.04, 14.04 <br> Workaround Edit the network security configuration file in /etc/sysctl.d/Change the value from Strict mode… Continue reading Factory defaulted Illustra cameras cannot be discovered by exacqVision running on Ubuntu
Second on board NIC missing
Description There have been a couple of servers manufactured at the Bentel facility with Q87 motherboard that does not detect the second on board NIC out of the box. This is due to a bios misconfiguration during manufacturing. <br> Platform Linux and Windows with Q87 motherboard The servers we found in the field with this… Continue reading Second on board NIC missing