Tag Archive
OpenVOS Network Application Performance Technical Webinar
Noah Davids, Support Engineer at Stratus discusses how application performance is affected by the network, the TCP stack and the application’s design. Covering common issues, how to test for them before the application is placed into production, how to diagnose them when they occur, and how to tune the system to reduce their impact. The [...]
Flushing the STCP ARP cache
The ARP cache exists in one form or another on every host that communicates via IP over Ethernet. The cache holds the mapping between IP address and Ethernet Media Access Control (MAC) address. If you change an Ethernet adapter on a host named SERVER-1 or replace SERVER-1 with newer / faster hardware all the hosts [...]
Pardon me but do you have the time?
Having the correct time on your module is critical for all kinds of activities including log synchronization and security certificate validation. Starting in release 15.1 VOS shipped with a port of the Network Time Protocol daemon (ntpd) and it is strongly recommend that you run it. Typically, to run ntpd you need to provide it [...]
Telnetd and remote (TCP connected) printers
Back in May of 2009 I wrote about securing telnetd so that only the RSN process has the ability to use it (Telnet can’t live with it, can’t live without it). At the time I was thinking about the remote service network but I was recently reminded of another very import reason for running the [...]
Line termination problems when using SFTP
SFTP is the FTP subsystem that is part of SSH, it allows you to do encrypted file transfers. In the past week I have had 2 issues about SFTP not properly transferring files. In one case OpenVOS was the source of the file and in the other case OpenVOS was receiving the file. In both [...]
