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        <title>Stone Wiki - linux:user</title>
        <description></description>
        <link>https://dwiki.heisl.org/</link>
        <image rdf:resource="https://dwiki.heisl.org/lib/exe/fetch.php?media=wiki:dokuwiki.svg" />
       <dc:date>2026-04-19T14:39:39+00:00</dc:date>
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    <image rdf:about="https://dwiki.heisl.org/lib/exe/fetch.php?media=wiki:dokuwiki.svg">
        <title>Stone Wiki</title>
        <link>https://dwiki.heisl.org/</link>
        <url>https://dwiki.heisl.org/lib/exe/fetch.php?media=wiki:dokuwiki.svg</url>
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    <item rdf:about="https://dwiki.heisl.org/doku.php?id=linux:user:bash_color&amp;rev=1584002698&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-03-12T08:44:58+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>bash_color</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:bash_color&amp;rev=1584002698&amp;do=diff</link>
        <description>Bash Color Promt

Bash Color Promt mittels Script setzten. Dazu einfach den Inhalt von hier ein File schreiben:


vim /etc/profile.d/bash_color.sh

user=`whoami`
if [ $user == &quot;root&quot; ]; then
        PS1=&#039;\[\e[1;31m\]\u@\h (PU):\[\033[01;34m\]\w\[\033[00m\]\$ &#039;
else
        PS1=&#039;\[\e[1;32m\]\u@\h (PU):\[\033[01;34m\]\w\[\033[00m\]\$ &#039;
fi
export PS1</description>
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        <dc:date>2021-07-07T08:26:20+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>bash_color_256</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:bash_color_256&amp;rev=1625646380&amp;do=diff</link>
        <description>Bash Color 256

Hier ein Beispiel eines bunten Promts mit dem 256 Color Farbschema


export PS1=&quot;\[\033[38;5;91m\]\u\[\033[38;5;226m\]@\[\033[38;5;82m\]\h\[\033[38;5;201m\]:\[\033[38;5;39m\]\w\[\033[38;5;15m\]\$ &quot;





Farben anpassen

Um die Farben anzupassen wählt man die gewünschte Farbe von der Tabelle (Bild) und trägt sie immer an der dritten Stelle beim</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2020-03-12T08:47:55+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>bash_kommentar_shell</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:bash_kommentar_shell&amp;rev=1584002875&amp;do=diff</link>
        <description>Shell mit Kommentar versehen


export PS1=&quot;(NEU) $PS1&quot;</description>
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        <dc:date>2020-02-17T08:46:43+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>passwort_richtlinie</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:passwort_richtlinie&amp;rev=1581929203&amp;do=diff</link>
        <description>User Passwort Richtlinie




Unter RHEL und co


vim /etc/pam.d/system-auth


Ändern von


password    requisite     pam_cracklib.so try_first_pass retry=3 type=
password    sufficient    pam_unix.so md5 shadow nullok try_first_pass use_authtok</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2020-02-17T08:47:15+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>passwort_verschluesseln</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:passwort_verschluesseln&amp;rev=1581929235&amp;do=diff</link>
        <description>User Passwort setzten mit verschlüsselten PWs

1.) Verschlüsseln seines persönlichen Passworts


openssl passwd -1




Neuere und sicherere Methode


mkpasswd --method=sha-512


----------

2.) Hash Output Speichern


Der Output ist das verschlüsselte Passwort</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2020-02-17T08:48:17+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>putty_ssh_key_umwandeln</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:putty_ssh_key_umwandeln&amp;rev=1581929297&amp;do=diff</link>
        <description>Key umwandeln


ssh-keygen -i -f id_rsa_putty.pub &gt; id_rsa.pub</description>
    </item>
    <item rdf:about="https://dwiki.heisl.org/doku.php?id=linux:user:sshkey_copy&amp;rev=1581929330&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-02-17T08:48:50+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>sshkey_copy</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:sshkey_copy&amp;rev=1581929330&amp;do=diff</link>
        <description>SSH Key Copy


ssh-copy-id -i &lt;pfad_zum_pub_key&gt; &lt;user&gt;@&lt;remote_server&gt;

Beispiel:
root@bender:~# ssh-copy-id -i .ssh/id_rsa.pub root@192.168.88.21</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2023-11-10T10:24:51+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>tmux</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:tmux&amp;rev=1699611891&amp;do=diff</link>
        <description>Tmux

Irgendwie hasse ich das Ding.



Tmux Settings &amp; Config


# Scroll History
set -g history-limit 100000


# Show Messages longer
set -g display-time 2000


# Messages Color
set -g message-style bg=&#039;#ffffff&#039;,fg=&#039;#1f618d&#039;


# Mouse Settings
set -g mouse on


# Bind for Mouse on/off
bind-key m \
        set-option -g mouse off \;\
        display-message &#039;Mouse: OFF&#039;

bind-key M \
        set-option -g mouse on \;\
        display-message &#039;Mouse: ON&#039;


# Bind Sync Panes (Send CMD To all)
bind-…</description>
    </item>
    <item rdf:about="https://dwiki.heisl.org/doku.php?id=linux:user:user_ablaufen_lassen&amp;rev=1581929168&amp;do=diff">
        <dc:format>text/html</dc:format>
        <dc:date>2020-02-17T08:46:08+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>user_ablaufen_lassen</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:user_ablaufen_lassen&amp;rev=1581929168&amp;do=diff</link>
        <description>User ablaufen lassen

Unter Linux ist es möglich einen Useraccount ablaufen zu lassen.

Anzeigen der aktuellen Infos eines Users


chage -l &lt;username&gt;

Beispiel:
root@nibbler:~# chage -l stone
Last password change                                    : Jan 07, 2014
Password expires                                        : never
Password inactive                                       : never
Account expires                                         : Dec 24, 2014
Minimum number of days between passwo…</description>
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        <dc:format>text/html</dc:format>
        <dc:date>2020-02-17T08:50:05+00:00</dc:date>
        <dc:creator>Anonymous (anonymous@undisclosed.example.com)</dc:creator>
        <title>xforward_user_wechsel</title>
        <link>https://dwiki.heisl.org/doku.php?id=linux:user:xforward_user_wechsel&amp;rev=1581929405&amp;do=diff</link>
        <description>XForward nach Userwechsel

Um mittels Putty nach einem Userwechsel noch immer ein XWindow-Forwarding zu ermöglich sind diese Schritte nötig:


Anmelden als User xxx
echo $DISPLAY 
Userwechsel mittels sudo oder su
export DISPLAY=&lt;Copy die Ausgabe davor&gt; 
xauth merge &lt;/home/vom_user_davor&gt;.Xauthority</description>
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