Can the init process be a shell script in Linux?
I was going through a tutorial on setting up a custom initramfs where it states:
Unix & Linux
What happens when I open and read from /proc?
Basically I would like to constantly get updated values from meminfo and cpuinfo.
Have xargs use alias instead of binary
Bash 4.2 on CentOS 6.5:
Changing the default shell without chsh or administrator privileges
I saw the following snippet in this thread: How to change from csh to bash as default shell
iotop showing 1.5 MB/s of disk write, but all programs have 0.00 B/s
I don’t understand iotop output: it shows ~1.5 MB/s of disk write (top right), but all programs have 0.00 B/s. Why?
Move data from regular partition to lvm
I’ve read a bit about lvm and decided that I want to switch to using it. It seems like actually setting up lvm can be done from the debian installer, so I suppose that’ll be easiest. What I’m not sure about is how to copy all of my files to the new system.
In a bash shell script, writing a for loop that iterates over string values
In bash, I know that it is possible to write a for loop in which some loop control variable i iterates over specified integers. For example, I can write a bash shell script that prints the integers between 1 and 10:
Shared library mappings in /proc/pid/maps
Why does /proc/pid/maps contain a few records for the same library ? Here is an example:
How should I add users non-interactively?
I have a set of users I need to add to a new system as part of a BASH script that preps my server. How can I non-interactively add the user, create their home directory, set the group, and enter a default password?
Remove empty directory trees (removing as many directories as possible but no files)
Suppose I have a dir tree like this: