We are using containers (namely OpenVZ) more then 6 years now in production. And we are very happy with the solution. Till now when mentioning “virtualization” or VPS everybody thought about VMWare, KVM (used also by Amazon), OpenStack and similar
sFlow
Monitoring converged networks using the sFlow® standard This article describes how to install and configure sFlow monitoring on a Proxmox VE server using the open source Host sFlow agent. sFlow The Host sFlow agent exports physical and virtual server performance metrics
OpenVZ: Creating Cache
# vzpkgcache centos-5 Warning: No centos-5 OS template found for /vz/template/centos/5/ architecture ERROR: OS template centos-5 (centos-5-/vz/template/centos/5/-default) not foun # vzpkgcache centos-5-x86_64 Creating cache for centos-5-x86_64-default OS template
OpenVZ: Mounting file system from Master container
Resources http://wiki.openvz.org/Bind_mounts
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