Virtual Ethernet devices of the OpenVZ VM’s inside ProxMox is connected to a bridge. After installing ProxMox and creating virtual nodes, I found that public ips allocated inside VM’s were not reachable to world.
A quick fix for this issue is to ensure that Proxy ARP and IP Forwarding is configured fine.
Check these lines:
# ifconfig vzbr0 [...]
Continue reading about Fix:Unable to ping veth device on proxmox
While working with APF on servers, you might normally get to see the following error,
# apf -r
apf(2042): {glob} flushing & zeroing chain policies
apf(2042): {glob} firewall offline
apf(3179): {glob} activating firewall
apf(3284): {glob} unable to load iptables module (ip_tables), aborting.
apf(3179): {glob} firewall initalized
apf(3179): {glob} fast load snapshot saved
Your kernel is compiled with iptables statically instead of as a [...]
Continue reading about apf fix: unable to load iptables module (ip_tables)
Unable to add a new block for an ip via CSF? Iptables modules are not loaded into your server’s kernel.
If you’re getting the following error on a OpenVZ VPS server:
iptables: No chain/target/match by that name
ACCEPT udp opt — in !lo out * 0.0.0.0/0 -> 0.0.0.0/0 state NEW udp dpt:953
Contact the DC to make a small [...]
Continue reading about CSF Fix: iptables: No chain/target/match by that name
A brilliant software engineer, Founder of LxLabs.com, creator of HyperVM – optimized virtualization technology which runs on both Xen and OpenVZ, “Host In a Box” solution LxAdmin/Kloxo for Web hosting companies, server owners, resellers – K.T Ligesh(32) commited suicide last night (8th June,2009) at his residence located in H.S.R Layout, Bangalore.
Yesterday night I was discussing [...]
If you find that the /etc/hosts file getting over written (I have found this happening in Virtuzzo and HyperVM servers already) ensure that you add the additional entries above the following comment line which you see in /etc/hosts file.
# Auto-generated hostname. Please do not remove this comment.
Out of memory? Did you upgrade your OS recently? Then carefully have a look at ps -auwx output for memory consumption.
Today I found that initscripts package owned minilogd was eating up almost 70% of the server resources on a VPS running on OpenVZ virtualization. After reading a bit about it on the internet I found [...]
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