Mounting a device — role of /dev, /media and /mnt, and the mount command
What is the difference between /dev,
/media and /mnt? Following is what I
have found from internet but I still
have little idea:
Unix & Linux
Which parts of an ELF executable get loaded into memory, and where?
What I already know:
What are the differences between bsdtar and GNU tar?
I’ve always used GNU tar. However, all GNU/Linux distributions that I’ve seen ship bsdtar in their repositories. I’ve even seen it installed by default in some, IIRC. I know for sure that Arch GNU/Linux requires it as a part of basedevel (maybe base, but I’m not sure), as I’ve seen it in PKGBUILDs.
Why do these bash fork bombs work differently and what is the significance of & in it?
I get how a normal fork bomb works, but I don’t really understand why the & at the end of the common bash fork bomb is required and why these scripts behave differently:
Authentication refused: bad ownership or modes for file /var/git/.ssh/authorized_keys
The issue as exposed here is
solved (about files modes of the .ssh folder.
install latest gcc on rhel 6 x86_64
I have an RHEL 6 server with gcc version 4.4.7. I wanted to update the gcc version (I think the current one is 4.8). Yum update doesn’t work. Also, SO answers for a similar question on CentOS does not work. I followed the methods in the accepted answer, the output is “Error getting repository data for testing-1.1-devtools-6, repository not found”. Also I am not sure whether I should follow the methods for CentOs.
How do I refresh Gnome 3 applications
I just added and modified a .desktop file in my /home/user/.local/share/applications folder.
Real time processes scheduling in Linux
I have been learning some scheduling concepts. Currently my understanding so far is as below.
What is the difference between a name and a label in gparted?
When I create a new partition on my disk using GParted, I have the option to set both a name and a label. Some partitions I have already have both, some only a label. If I right-click on an existing partition, I can see separate options to set the partition’s name and label.
How to “jail” a process without being root?
Were I root, I could simply create a dummy user/group, set file permissions accordingly and execute the process as that user. However I am not, so is there any way to achieve this without being root?