It has been about two years since I have visited a specific rack closet, and took pictures. Several days ago I have visited the same rack closet, and took some new pictures. You can tell time went by 😉
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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…
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…
Recently, with the release of a new 8.x version of Dell SrvAdmin tools, the Centos/RHEL5 (and XenServer, by the way) repositories disappeared. It appears that Dell will not support the RHEL5.x brands anymore. The proper solution is to install the last 7 SrvAdmin tools, as can be shown in this site. This solves the problem…
There are many internet service providers (ISPs) around the world that offer fiber internet connections, but sometimes you cannot access your PPPoE user details. This can happen if your ISP does not allow you to use your own router, or if you don’t have the login details for your router. There are ways to try…
I find it that identifying a missing something in the fridge, and adding it to a list does not work well for me. It’s either that I take a mental note of the missing groceries, and then, almost immediately, forget them until the unpacking of the just-purchased groceries, back home, several days later, or that…
I will discuss the issue of placing a Linux machine as a router, and some special cases where things might play a bit different. The most common scenario is of placing the Linux as some sort of PPP or DHCP-via-cables router. It might look like this: In this picture, the Linux machine actually recieves, via…
