Random posts about networking, storage, guns, reggae, probably booze and whatever else I feel like posting about.
Do you ever run into this issue? You need to reconfigure networking and do a network restart and this happens: That duplicate ip address check takes a LONG time. On Continue Reading…
I’ve got a Smörgåsbord of CentOS servers of varying version and patch status; 4 through 6, i386, x86_64, up to date, not up to date, etc. In any case, sometimes Continue Reading…
I found this useful shell script on a website a while back; works perfectly: The output will look like this:
Fortunately this is far easier to do on CentOS 6 than it is on CentOS 4. If you do need the CentOS 4 directions, those are located here. Prerequisites for Continue Reading…
ROFL, Clippy is here to help with regular expressions!
Not that this is some magical new development, it’s probably been around for decades, but I find there’s often things I don’t come across until I need them and then Continue Reading…
Ever have some kind of text file or command output where you want to just get a sum of the numbers presented? If it’s a single column, just pipe it Continue Reading…
Well this was more of a challenge than expected. A customer had an old CentOS 4 server with about a terabyte of data on it that was by itself at Continue Reading…
This command will go through your entire server, count the number of files per directory, then output the list sorted: The output will look like: 100 ; /path/to/directory 200 ; Continue Reading…
By default RHEL/CentOS 5 and 6 have SLAAC enabled, to automatically configure IPv6 addresses if a router advertisement is received on an interface. I find this VERY undesirable on a Continue Reading…