For some reason (probably a typo) I’ve missed an important character in an example I gave here, but I have just recently fixed it. Anyhow, to clarify this, here is the extended description of the correction. The $IFS Bash system variable defines what is the default separator between strings. Changing it can help when dealing…
I love the tool Cacti. It’s a nice graphing tool, which helps a lot in system monitoring and management. Its logic, however, is not always obvious. The relationship between data types, host templates and graph templates is quite complex, and if you are to implement any non-default setup using Cacti, you better understand these relationships…
HP MSA1000 is an entry-level disk storage capable of communicating via different types of interfaces, such as SCSI and FC, and can allow FC failover. This FC failover, however, is controller failover and not path failover. It means that if the primary controller fails entirely, the backup controller will “kick in”. However, if a multi-path…
Or, for that matter, any other Linux distribution that: a. uses kernel 2.6.x up to 2.6.18 b. Does not dynamically create the initrd as part of the installation Ubuntu, for that matter, is an example of not doing both. While it does create the initrd, it doesn’t create it dynamically per the output of ‘lspci‘,…
So this post is not technical by nature. Today I gave away 14 PCs and 5 VGA screens. All are in some-not-exactly-unworking-condition, which means that you can probably mix two computers into one, or you need only add some RAM, HDD or other several components to make any of these PCs work. All of them…
I add to this blog all pieces of information which I might think could help other people. One of the things I have encountered short while ago had to do with DL140 G1 system cannot boot Linux. It’s Linux system (RedHat 4 32bit) was deployed by an external system and the system could not boot….
