Thanks to everyone for their suggestions! The good news.....the server is healthy, and I solved the problem of the "ssh session ignoring me every few minutes". It seems I made a mistake in the configuration of openVPN in my new ASUS DD-WRT router. The better news....turning off openVPN on my router also solved my intermittent LAN printing and scanning issues. The bad news.....need to fix the VPN connection to my LAN. I guess I will be drinking my Starbs at home for awhile! ;) Happy Memorial Day Weekend to all PLUGers!! Mark On Sun, May 26, 2013 at 1:44 AM, Lisa Kachold wrote: > Hello Mark, > > > > > On Sat, May 25, 2013 at 11:59 AM, Mark Phillips < > mark@phillipsmarketing.biz> wrote: > >> I have an old headless server running Linux version 2.6.32-5-686 (Debian >> 2.6.32-48squeeze1) (dannf@debian.org) (gcc version 4.3.5 (Debian >> 4.3.5-4) ). Recently, when I log in using ssh the terminal window freezes >> for a few seconds, then usually comes back. The command line stops printing >> the characters I am typing, the cursor stops blinking, and then after a few >> seconds, it comes back. This happens every few minutes, so it is becoming >> rather annoying. >> > > Here's the general list (some of which you have done already). > > 0 - Make sure that it's not swapping with "free". > 1 - Check that you have no ethernet errors with "ethtool eth0" (or > whatever your interfaces are) and look for errors. > 1.5 - Check ' netstat -s -p|grep "segments retransmited" ' for packet > loss > 2 - Check "netstat -antp" to see what is listening and/or bogging down. > 3 - Check "lsof" to see what the system is doing. > 4 - Are you accessing SSH via SSH forwarding, a different place/network or > VPN? This could be a MTU issue. > 5 - Run "nmap $servername" from your system to check what is available and > listening. > 6 - Look in your logs for security issues; specifically access attempts to > open ports; firewall to only allow source and destination for SSH, DNS or > other Mail as appropriate. > 7 - Disable your SSH timeout - just to be safe: > http://docs.oseems.com/general/application/ssh/disable-timeout > 8 - Use a ping from your system to the server to see if you can see > latency. > 9 - Use a traceroute/tracert to see latency between any hop. > > > Use the Source my friend! > >> >> When I check the disks, I get >> # df -h >> Filesystem Size Used Avail Use% Mounted on >> /dev/sda1 182G 42G 131G 25% / >> tmpfs 505M 0 505M 0% /lib/init/rw >> udev 500M 140K 500M 1% /dev >> tmpfs 505M 0 505M 0% /dev/shm >> /dev/sdb1 230G 146G 72G 67% /mnt/sdb >> >> So I am not running out of disk space. >> >> When I run top, I get this output: >> Tasks: 90 total, 3 running, 87 sleeping, 0 stopped, 0 zombie >> Cpu(s): 7.0%us, 3.0%sy, 0.0%ni, 82.7%id, 6.6%wa, 0.3%hi, 0.3%si, >> 0.0%st >> Mem: 1032748k total, 1013748k used, 19000k free, 242992k buffers >> Swap: 2017272k total, 1040k used, 2016232k free, 473584k cached >> >> So I am not running a process that is taking over the CPU. >> >> How should I go about diagnosing this problem? >> >> Thanks! >> >> Mark >> >> --------------------------------------------------- >> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org >> To subscribe, unsubscribe, or to change your mail settings: >> http://lists.phxlinux.org/mailman/listinfo/plug-discuss >> > > > > -- > > (503) 754-4452 Android > (623) 239-3392 Skype > (623) 688-3392 Google Voice > ** > it-clowns.com > Chief Clown > > > > > > > > > > > > > > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss >