Linux

Forgot to mention kernel update

Byetzion 17/06/2006

Kernel version 2.6.16.9, so I will supply its config file here config-2.6.16.9.txt. Same procedure as before.

Good luck.

Linux

Minimal Centos5 and SSH Server with X forwarding
Byetzion 10/10/2008

Installation of minimal selection of Centos 5 – only base, core and dialup selections, will leave a small-sized system, with the minimum required. This is a good setup to start setting up a firewall, and it lets you add any required package later using ‘yum’. This said, you cannot forward X over SSH at this…

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Linux

Cisco AnyConnect on Linux solution to “Authentication failure due to problem verifying server certificate” error message
Byetzion 22/01/202422/01/2024

This is a very technical and a limited solution to Cisco AnyConnect issue with unknown certificate on Linux (Ubuntu 22.04). AnyConnect version is 4.10. I hope this post will help others with a similar problem. The issue is around SAML authentication (an embedded web browser attempting to complete the authentication process), and its failure to…

Read More Cisco AnyConnect on Linux solution to “Authentication failure due to problem verifying server certificate” error message
Linux

Work around ISP QoS limitations
Byetzion 29/05/2009

ISPs which enforce QoS limitations suddenly, without alerting the customer, are abusing their force. QoS limitation is not a bad thing, from the ISP’s point of view, but changing the customer deal without notifying him seems to me to be unfair. This is a recipe for a QoS workaround. Ingredients: One fast Internet connection which…

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General Hardware | Linux

RHEL4 can see only 8 cores out of 16 cores server
Byetzion 21/05/2008

I have encountered it on several cases. RedHat Linux ES, by default, uses smp kernel which is limited to eight cores, or two sockets. You find out that your multi-socket hardware, with its 16 (or more…) cores show you only the first eight, both by the simple method of running ‘top‘ and then pressing on…

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Clusters | Linux

RedHat Cluster, and some more
Byetzion 12/02/2006

It’s been a long while since I’ve written. I get to have, once a while, a period of time dedicated for laziness. I’ve had just one of these for the last few weeks, in which I’ve been almost completely idle. Usually, waking up from such idle time is a time dedicated to self studies and…

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bash | Linux | Scripting/Programming

Bonding + VLAN tagging + Bridge – updated
Byetzion 25/04/2012

In the past I hacked around a problem with the order of starting (and with several bugs) a network stack combined of network bonding (teaming) + VLAN tagging, and then with network bridging (aka – Xen bridges). This kind of setup is very useful for introducing VLAN networks to guest VMs. This works well on…

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