Which GUI diff viewer would you recommend, with Copy-to-Left/Right functionality?
I’ve hardly ever used anything other than Meld. Can you recommend anything else?
Unix & Linux
Why write an entire bash script in functions?
At work, I write bash scripts frequently. My supervisor has suggested that the entire script be broken into functions, similar to the following example:
What does !$ mean?
I’m following through a tutorial and it mentions to run this command:
How to change the length of time-slices used by the Linux CPU scheduler?
Is it possible to increase the length of time-slices, which the Linux CPU scheduler allows a process to run for? How could I do this?
What is the difference between /tmp and /var/tmp?
On most FHS systems, there is a /tmp folder as well as a /var/tmp folder. What is the functional difference between the two?
bash shell – ssh remote script capture output and exit code?
I wish to use shell to invoke a script on a remote server.
I would like to capture the output of that script (its logging messages) and the exit code it returns.
Write all tmux scrollback to a file
How can I write all the scrollback in a tmux session to a file?
changing current working dir with a script
I’ve read this question and answer, but it doesn’t quit fit my problem, even tho it’s similar.
How can I configure a reverse SSH connection to the connecting computer?
I’m going to be deploying a number of machines in the near future which will be behind routers. It won’t be feasible to set up dynamic DNS on each router and port forwarding, so is there a way I can configure these machines to initiate a TCP connection to my computer and then have my computer initiate a SSH connection to the remote computer over that connection?
Save entire process for continuation after reboot
I developed an algorithm for a fairly hard problem in mathematics which is likely to need several months to finish. As I have limited resources only, I started this on my Ubuntu 12.04 (x86) laptop. Now I want to install some updates and actually restart the laptop (the “please reboot” message is just annoying).