Cron only occasionally sends e-mail on output and errors
On Debian 8.1, I’m using a Bash feature to detect whether the stackoverflow.com website is reachable:
shell
Find files which are created a certain time after or before a particular file was created
I need a shell script which finds files which are created 1 hour before or 1 hour after a particular file (test.txt) was created.
How do I tell a script to wait for a process to start accepting requests on a port?
I need a command that will wait for a process to start accepting requests on a specific port.
Supply the same filename as argument to two commands
On a git conflict, I can currently do: git diff path/to/some/file.txt … after reviewing the diff, usually I want to do: git checkout –theirs path/to/some/file.txt && git add path/to/some/file.txt It’s painstaking to edit both paths each time, so I’d like to be able to do the following: git checkout –theirs <ref> && git add path/to/some/file.txt … Read more
What do the bash-builtins ‘set’ and ‘export’ do?
I am at a bit of a loss as to the purpose of set and export in Bash (and I guess probably other shells too).
Terminal vs bash?
I’m on a Mac but I think this is generally Unix-applicable. I’m in the process of learning shell scripting and there’s something I seem to be missing. When I’m in the ordinary terminal, I can use scripting syntax like for loops and such in conjunction with commands to do stuff. But….bash opens an interpreter for … Read more
How do I run the same linux command in more than one tab/shell simultaneously?
Is there any tool/command in Linux that I can use to run a command in more than one tab simultaneously? I want to run the same command: ./myprog argument1 argument2 simultaneously in more than one shell to check if the mutexes are working fine in a threaded program. I want to be able to increase the number of instances of this program so as to put my code under stress later on.
What is the “~/” directory?
I’m trying to locate where some files are stored and I can easily browse to them via ssh by going to “cd ~/foldername”, however, I have no idea what directory “~/” actually is.
How to download an archive and extract it without saving the archive to disk?
I’d like to download, and extract an archive under a given directory. Here is how I’ve been doing it so far:
How to Execute multiple command using nohup
I need to execute multiple commands using nohup. Each command should be executed after the previous command.