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How to check if a symlink exists
...n't exist"
fi
the result of above is like:
root@linux:~# ./sym.sh /etc/passwd
you entry is not symlink
root@linux:~# ./sym.sh /usr/mda
your entry is symlink
root@linux:~# ./sym.sh
=> File doesn't exist
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Getting error: Peer authentication failed for user “postgres”, when trying to get pgsql working with
...
need to use same passwords? sudo passwd postgres
– Peter Krauss
Aug 27 '17 at 15:52
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What does the number in parentheses shown after Unix command names in manpages mean?
...es (usually found in /dev)
5 File formats and conventions eg /etc/passwd
6 Games
7 Miscellaneous (including macro packages and conven‐
tions), e.g. man(7), groff(7)
8 System administration commands (usually only for root)
9 Kernel routin...
Postgresql: password authentication failed for user “postgres”
...s.
If you do not have a password for the User postgres ubuntu do:
$ sudo passwd postgres
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PostgreSQL: How to change PostgreSQL user password?
... To change the password on the postgres user in Linux: sudo passwd postgres
– Punnerud
Aug 28 '19 at 6:31
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Regexp Java for password validation
...wordvalidation {
public static void main(String[] args) {
String passwd = "aaZZa44@";
String pattern = "(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\\S+$).{8,}";
System.out.println(passwd.matches(pattern));
}
}
Explanations:
(?=.*[0-9]) a digit must occur at...
How to configure Git post commit hook
...
I saw two possible solutions:
1: Changing my hook to:
curl --user name:passwd -s http://domain?token=whatevertokenuhave
2: setting project based authorization.
The former solutions has the disadvantage that I had to expose my passwd in the hook file. Unacceptable in my case.
The second works...
InputStream from a URL
...ll
private InputStream getInputStreamFromUrl(URL url, String user, String passwd) throws IOException {
String encoded = Base64.getEncoder().encodeToString((user + ":" + passwd).getBytes(StandardCharsets.UTF_8));
Map<String,String> httpHeaders=new Map<>();
httpHea...
if arguments is equal to this string, define a variable like this string
... r)
SERVER=$OPTARG
;;
p)
PASSWD=$OPTARG
;;
v)
VERBOSE=1
;;
?)
usage
exit
;;
esac
done
if [[ -z $TEST ]] || [[ -z $SERVER ]] || [[ -z $PASSWD ]]
then...
Using ls to list directories and their total sizes
...1.3M Feb 18 00:18 icons
drwxrwsr-x 2 localusr www 8.0K Dec 27 01:23 passwd
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