When Is A Trunk Not A Trunk?
Very good article here – http://networkingnerd.net/2011/02/02/when-is-a-trunk-not-a-trunk/ Particuly like setting of Native vLAN and tagged networks over an HP trunk; So, if HP refers to an uplink...
View Articlevmware – copy networking port groups to another host
You might be able to do this via “host profiles” but if you do not have the licensing for it, this is the alternative. Very handy if you have over 50 or so port groups. It can be re-run to add to...
View ArticleHP Gen 8 servers and networking issues – TG3 driver
There is a bug in the tg3 driver on the ESXi hosts (1gbit broadcom cards in the new hosts). If the network card is put under load and netqueue is enabled it will sometimes decide to drop all traffic....
View Articlezfs share for Time machine backups
I’ve tried using a share for time machine before, but due to the nature of how time machine works it eventually consumed all the spare space that is available on that particular share. bring on zfs...
View Articlensswitch.conf SMF config
# svccfg svc:> select dns/client svc:/network/dns/client> setprop config/search = astring: \ (“us.company.com” “eu.company.com” “companya.com” “companyb.com” “company.com” )...
View Articleuse nmap to port scan / find free IPS
I use angry IP scanner in windows, linux has a good util for port scanning an ip range called nmap; Grab nmap from usual repositories sudo nmap -sP 192.168.9.0/24 (will show hosts up and resolve mac...
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nginx – setup as reverse proxy
Previously to take down this wordpress site all you needed to do was hold down F5 for about 20 seconds then the site would take about 5 mins to recover. There were a few factors causing this and...
View Articlenginx – and gzip
i only have vdsl at home and host my website via it… the following graphs shows when nginx started serving faster than the vdsl connection could handle (which is about 9Mbits) ngnix with cache enabled,...
View ArticleERROR: No forward-proxy ports configured
I had the above issue after a squid upgrade and after changing from http_port 3128 transparent to http_port 3128 intercept. Add “http_port 8080″ line to squid.config to avoid this message, if you are...
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pc engine – pfsense as router / firewall
Just built a pfsense router to replace my aging 7390 fritzbox…. Very very awesome and fast! I’m currently running these services on it (2 x 1GHZ cpu, 4GB RAM, 16GB msata SSD); dhcpd – DHCP server...
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bye bye http – hello letsencrypt
I’ve been a fan of HTTP and caching since my dial-up modem. Skip to today where google returns HTTPS sites higher in its search results. Its could also be possible that you cannot trust a man in the...
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