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Moderator♦ pro tempore on French Language, Computer Science and Software Recommendations. I'm also a unix amateur, and a developer with a computer science background and security leanings by trade.

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1h
revised Why am I still getting a password prompt with ssh with public key authentication?
note about symbolic links; note that Debian has patched the code to allow group writability for single-user group
1h
answered Why can't I use public/private key authentication with ssh on Arch Linux?
2h
comment Why can't I use public/private key authentication with ssh on Arch Linux?
Yes, all the directories in the path need to be non-world writable. Normally this is only the home directory (and its parents), and ~/.ssh, but since you've symlinked the file from another directory, the permissions for that other directory matter as well.
5h
comment Text File Renaming Using Script
@user3810095 A simple method would be to use ln -s instead of mv. That way you would be able to access the files from either name. If you want to rename and keep track of the renamings, you can use both the echo mv and the mv line.
14h
revised Apply given rsync exclude patterns on given directory
edited tags
14h
comment Why can't I use public/private key authentication with ssh on Arch Linux?
Is /home/wayne your home directory? If you can access the system logs on the server, is there anything about AppArmor or anything else from sshd? What are the permissions on /home/wayne/dotfiles and /home/wayne/dotfiles/authorized_keys2?
14h
revised How to do command-line completion with files and folders
edited tags
14h
revised What is the difference between building from source and using an install package?
edited tags
14h
revised Bash script for scp interpreting tilde (~) too soon
edited tags; edited tags
14h
revised Repeated filesystems and mount points in df output
the comment could be deleted, answers belong in answers
14h
revised Repeated filesystems and mount points in df output
deleted 2 characters in body; edited tags; edited title
14h
revised Create PKGBUILD from .deb
edited tags
19h
comment wheezy not accepting commands
@HalosGhost I meant the $ sign on the second line. I haven't checked whether it would cause this error.
1d
comment Process status on AIX
@diago Yes, popen and run ps. I don't think AIX has a lower-level interface that doesn't require forking, unless you want to bake in the binary format of /proc/<PID>/status (which would only work on AIX, and could change in later versions). Use popen and parse the output of ps with a carefully chosen -o format.
1d
comment Is it possible to enable execution of files from a cifs mount in bash?
@MichaelR.Hines exec works the same in fstab and on the mount command line. If it didn't work for you, it's because of some specific circumstance (there's a different matching fstab entry, the filesystem was already mounted before, …)
1d
awarded  Nice Answer
1d
comment wheezy not accepting commands
What exactly did you put in that file? Is that $ sign in here? It shouldn't be.
1d
revised wheezy not accepting commands
added 20 characters in body; edited tags
1d
revised Why only one active group at a time?
added 139 characters in body
1d
comment find file, copy but with different name
This copies files modified in the last two days. The question was about copying the latest file in each set.