TcpDump Usage of tcpdump: For example monitoring SMTP from a particular host: # tcpdump -w tcpdump.out -s 0 ip host 84.47.53.128 and tcp port 25 WireShark/Ethereal Examine the captured file using tshark: # tshark -r tcpdump.out Executables within wireshark: /usr/sbin/capinfos
Load Balancing for Postfix
There are several possibilities for web or mail server load balancing: Relayd – https://calomel.org/relayd.html Nginx – https://calomel.org/nginx.html The Linux Virtual Server – http://www.linuxvirtualserver.org/ Heartbeat –
OpenVZ Error: No buffer space available
Description In your logs you get an “No buffer space available” error. Analysis Look at your bean counters: # cat /proc/user_beancounters Version: 2.5 uid resource held maxheld barrier limit failcnt 101: kmemsize 9146159 27892508 110559230 113770490 0
Zoznam servisných stredísk na montáž viazaní na lyže
Bratislava ASKI http://www.aski.sk/ Sem posielajú aj lyže z obchodov Sport2000 (Palace, Polus). Presport http://www.presport.sk/servis.php Ski Harmony Rača http://www.sportharmony.sk/ski/ V areáli bývalého sídla spol. ASBIS. Dával som tu montovať detské viazanie na lyže. Bol som spokojný.
KVM and CentOS
http://forum.openvz.org/index.php?t=msg&goto=36065& http://www.centos.org/modules/newbb/viewtopic.php?topic_id=19034&forum=38#threadtop http://wiki.centos.org/HowTos/KVM?highlight=%28kvm%29