Forwarding X11 over SSH if the server configuration doesn’t allow it
Consider a situation where I’m logging in over SSH from machine A to machine B, I have an X session on machine A, and I want to run an X program on B.
Unix & Linux
What prevents stdout/stderr from interleaving?
Say I run some processes:
cp vs. mv: which operation is more efficient?
I find myself moving reasonably large amount of data (20+ GB) from one directory tree to other. Often times they are on the same filesystem but sometimes they are on different ones. I do cp just to preserve the original data just-in-case. Once the copy is done I delete the original data after verifying that the data has been copied alright. Sometimes I just do mv if I feel too lazy to clean original data afterwards. However, I am wondering, from purely technical point of view, which operation is more efficient? Why?
Why is a text file taking up at least 4kB even when there’s just one byte of text in it?
For some reason, when I make a text file on OS X, it’s always at least 4kB, unless it’s blank. Why is this? Could there be 4,000 bytes of metadata about 1 byte of plain text?
No command ‘bla’ found, did you mean:?
So, when a command is not found, by what means is the “did you mean:” list populated?
What program finds these alternate commands?
What is the meaning of: “(main), (universe)…”?
Can I change which program finds these?
What is UUID, PARTUUID and PTUUID?
In blkid output some lines contain UUID and PARTUUID pairs and others only PTUUID. What do they mean?
How are files under /etc/cron.d used?
How are files under /etc/cron.d used?
How to run commands automatically on gnome-terminal after log-in?
After each login, there’s certain commands that I run on specific tabs of gnome-terminal. This is a tedious process, so can this be done automatically?
grep doesn’t output until EOF if piped through cat
Given this minimal example
How can I move the home directory to a separate partition?
I would like to install another distribution but keep my home directory. Is there a way to move the home directory to a separate partition? I don’t have an external hard drive available to back up my data. I would like to set up my partitions as suggested here.