Jun 28, 2009 | Gnu/Linux, linux, QuickFix, Technical
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...
Jun 28, 2009 | Gnu/Linux, linux, QuickFix, Technical
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 *...
Jun 9, 2009 | Events, Gnu/Linux, linux, QuickFix, Security, Technical, Virtualization, Webhosting, XEN
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...
Dec 14, 2008 | linux, QuickFix, Technical
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....
Oct 31, 2008 | linux, QuickFix, Technical
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....
Oct 30, 2008 | linux, QuickFix, Technical
Unable to block ips using iptables on your VPS? Is your APF installation failing to work? root@server [~]# iptables -I INPUT -s 123.123.123.123 -j DROP iptables: Memory allocation problem Resolution: If you’re using OpenVZ for virtualization, you might have...
Sep 7, 2008 | QuickFix, Technical
Configuring server network is always a fun. There is a good chance of getting disconnected from the remote servers if you’re working from a remote place on a production server. I have worked on OpenVZ for quite a long time now. But I had never got to...
Aug 29, 2008 | linux, QuickFix, Security, Technical
Today I was unable to start apache on one of the VPS servers. Here is the error_log output. [Thu Aug 28 16:45:02 2008] [warn] pid file /var/run/apache2.pid overwritten — Unclean shutdown of previous Apache run? [Thu Aug 28 16:45:02 2008] [notice] Apache/2.2.3...
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