Author Archives: halli

CentOS – yum update – Not using downloaded repomd.xml because it is older

Posted on September 15, 2011 by halli

Not using downloaded repomd.xml because it is older than what we have: # yum clean all

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Cisco 2801 boots to ROMmon – boot: cannot open “flash:”

Posted on September 1, 2011 by halli

These error message mean that either the Flash is empty or the filesystem is corrupted. Insert a new CF-card and copy a image onto the flash using a tftp server.   rommon 1 > IP_ADDRESS=10.20.30.11 rommon 2 > IP_SUBNET_MASK=255.255.255.0 rommon … Continue reading →

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Cisco – QoS – VOIP – EF Bit

Posted on April 18, 2011 by halli

  Cisco Switch : ! ! mls qos map cos-dscp 0 8 16 24 32 46 48 56 mls qos srr-queue output cos-map queue 1 threshold 3  5 mls qos srr-queue output cos-map queue 2 threshold 1  2 4 mls … Continue reading →

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Microsoft Hyper-V R2 – Linux Guest – Microsoft Linux Integration Services

Posted on February 12, 2011 by halli

The Linux integration Services supports some Linux guest operating systems on Hyper-V R2. SuSE Linux Enterprise 10 > SP2 SuSE Linux Enterprise 11 Red Hat Enterprise Linux > 5.2 CentOS > 5.2 Download @ http://www.microsoft.com/downloads/en/details.aspx?FamilyID=eee39325-898b-4522-9b4c-f4b5b9b64551 If installed in a Linux … Continue reading →

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HA load balancing http/https using ucarp, pound & Lighttpd CentOS 5

Posted on February 10, 2011 by halli

LB1 & LB2 – CentOS 5.5 x86_64 # yum install ucarp.x86_64 pound.x86_64 # grep nobody /etc/security/limits.conf nobody           soft   nofile          569134 nobody           hard   nofile          569134 # cat /etc/pound.cfg # # User        “nobody” Group       “nobody” Alive       20 LogLevel        2 ListenHTTPS Address 80.xx.yy.101 … Continue reading →

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