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Add all files to a commit except a single file?
... answered Aug 19 '18 at 3:21
cateyescateyes
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Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
... the authorized_keys file and the folder / parent folders in which it is located.
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized_keys
For more information see this page.
You may also need to change/verify the permissions of your home directory to remove write access for the group and others.
chmo...
Find all storage devices attached to a Linux machine [closed]
.../mnt type ext3 (rw)
And /proc/partitions says:
root@ip-10-126-247-82:~# cat /proc/partitions
major minor #blocks name
202 1 10485760 xvda1
202 2 356485632 xvda2
202 3 917504 xvda3
Side Note
How fdisk -l works is something I would love to know myself.
...
Tab Vs Space preferences in Vim
...o tab Vs. space preferences. As I understand it, the tabstop setting indicates the width of a tab character. The shiftwidth setting specifies how many columns to increment/decrement when using the << and >> commands, whereas the softtabstop setting influences the amount of whit...
What is the purpose of a plus symbol before a variable?
...ion of the object. So in your particular case, it would appear to be predicating the if on whether or not d is a non-zero number.
Reference here. And, as pointed out in comments, here.
share
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im...
Git authentication fails after enabling 2FA
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On linux, you can authenticate your GitHub identity using an SSH key.
1) Generating a new SSH key (source)
Open terminal.
Paste the text below, substituting in your GitHub email address.
ssh-keygen -t rsa -b 4096 -C "your_email@example.com"
This crea...
How to get div height to auto-adjust to background size?
...www.pets4homes.co.uk/images/articles/1111/large/feline-influenza-all-about-cat-flu-5239fffd61ddf.jpg');
background-size: contain;
background-repeat: no-repeat;
width: 100%;
height: 0;
padding-top: 66.64%; /* (img-height / img-width * container-width) */
/* (853 / ...
How can I remove specific rules from iptables?
...oblems looks this way:
1. Add temporary rule with some comment:
comment=$(cat /proc/sys/kernel/random/uuid | sed 's/\-//g')
iptables -A ..... -m comment --comment "${comment}" -j REQUIRED_ACTION
2. When the rule added and you wish to remove it (or everything with this comment), do:
iptables-save...
Painless way to install a new version of R?
...s which are said to comprise tools helping with e.g. this bulk library relocations. Caveat: I have not used them.
Don't install libraries within the 'filetree' of the installed R version. On Windows, I may put R into C:/opt/R/R-$version but place all libraries into C:/opt/R/library/ using the follo...
Remove an Existing File from a Git Repo
...tignore file somewhere above the undesired file in the repo. i.e.
$ cd
$ cat >> .gitignore
development.log
C-d
from m. narebski: You then need to remove the file from the repo by executing "git rm --cached <file> and then committing this removal"
If you were also hoping to make the r...