Some info about redhat new product RHEV (RedHat Enterprise Virtualization), which is based on SolidICE (KVM-based) product from Qumranet, which has been recently acquired by RedHat.
Posted in enterprise, kvm, Linux, management, phb, Qumranet, redhat, rhel, RHEV, shortcut:linux, SolidICE, Spice, virtualization, VNC | Comments Off | permalink
linux kernel code cross-reference: you can quickly look up a piece of code,, find out in what version it appeared first, and so on.
Posted in c, code, documentation, for:collidr, kernel, Linux, programming, reference, repository | Comments Off | permalink
notes from LWN about RPS patch — a way to distribute incoming traffic coming from 1 source (1 NIC, 1 queue, 1 IRQ line) via multiple CPU by hashing tcp headers and distributing by hash across multiple CPU/Cores
Posted in c, for:collidr, google, kernel, Linux, network, patch, performance, programming | Comments Off | permalink
page explains classic “deadlock” case for HA cluster.
Posted in cluster, deadlock, ha, Linux, sysadmin | Comments Off | permalink
note from redhat engineer explaining what version of xen is used in RHEL 5.x (this is not that simple, hence this post)
Posted in kernel, Linux, sysadmin, system, virtualization, xen | Comments Off | permalink
whenever your are in discussion about OOM, make sure you mention this 
Posted in c, funny, humor, kernel, Linux, memory, oom, satire | Comments Off | permalink
test results for linux routing performance on recent intel “nehalem” CPUs and 10G ethernet
Posted in benchmark, Linux, performance, router, routing, test | Comments Off | permalink
notes about [web] infrastructure monitoring from well-known game company (call of duty, gitar hero).
Posted in for:collidr, infrastructure, Linux, monitoring, munit, rrdtool, ruby, sysadmin | Comments Off | permalink
tells you about a plugin (a perl script ) for munin that will collect linux disk IO stats and send it to munin for pretty graphs.
Posted in disk, IO, Linux, monitoring, munin, performance, sysadmin, system | Comments Off | permalink
notes on setting up SSH pubic key auth
Posted in authentication, howto, key, Linux, openssh, Security, ssh, sysadmin | Comments Off | permalink
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Konstantin Antselovich (c) 2004-2011
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