I had to install a new copy of windows, sadly the USB drive at hand had about 11 small partitions on it due to some earlier work. When I tried formatting it, it formatted only one part of it and was annoying in general… when I checked disk management, I was only able to delete…
Bash for loops are very useful in everyday life. I am going to post some simple examples where I combine bash for loops with other simple techniques like bash stepping etc. Want to count from 1 – 100 and list each number sequentially? for i in {1..100}; do echo $i; done Same as above but…
On one of my servers I needed extra swap space because the datacenter screwed up the partitioning and I didn’t have time to reimage the machine. so an easy way to add swap after partitioning is just to add it via a new file on any partition. lets say you want to add 8GB of…
Got an RPM laying about you need to install but it has a bunch of dependencies? well let yum do the heavy lifting. yum –nogpgcheck localinstall SomeApp.noarch.rpm
I just noticed I had 8 kernels installed on a machine. dont need but one…. so I rebooted to make sure I was using the newest, and removed all the old ones via these simple commands : Ubuntu / Debian / dpkg / Apt: dpkg -l ‘linux-*’ | sed ‘/^ii/!d;/'”$(uname -r | sed “s/\(.*\)-\([^0-9]\+\)/\1/”)”‘/d;s/^[^…
We recently moved a hosting to a new data center and wanted to test speeds, so I needed fixed size files to see what kind of speeds people could achieve while downloading them. I decided on the arbitrary numbers of 100MB and 500MB. Heres how I generated fixes size files via bash. for 500 MB…
