www-data:x:33:33:www-data:/var/www:/usr/sbin/nologin
backup:x:34:34:backup:/var/backups:/usr/sbin/nologin
list:x:38:38:Mailing List Manager:/var/list:/usr/sbin/nologin
irc:x:39:39:ircd:/var/run/ircd:/usr/sbin/nologin
gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/usr/sbin/nologin
nobody:x:65534:65534:nobody:/nonexistent:/usr/sbin/nologin
systemd-timesync:x:100:102:systemd Time Synchronization,,,:/run/systemd:/bin/false
systemd-network:x:101:103:systemd Network Management,,,:/run/systemd/netif:/bin/false
systemd-resolve:x:102:104:systemd Resolver,,,:/run/systemd/resolve:/bin/false
systemd-bus-proxy:x:103:105:systemd Bus Proxy,,,:/run/systemd:/bin/false
_apt:x:104:65534::/nonexistent:/bin/false
messagebus:x:105:109::/var/run/dbus:/bin/false
sshd:x:106:65534::/run/sshd:/usr/sbin/nologin
user:x:1000:1000:user,,,:/home/user:/bin/bash
student1:x:1001:1003::/home/student1:
student2:x:1002:1001::/home/student2:
loser:x:1003:1001:Attila,What,061,022451,???:/home/loser:/bin/bash
root@linux:/home/user# exit
kijelentkezés
Connection to 192.168.108.129 closed.
user@I-006-14:~$ vm status
Status
Total running VMs: 1
/munka/linux/debian9_hu.vmx
user@I-006-14:~$ vm --help
usage: vm [hu|en] start | stop | restart | restore | status or list
user@I-006-14:~$ vm restore
Please stop running VM.
/munka/linux/debian9_hu.vmx
user@I-006-14:~$ vm stop
Stopping
user@I-006-14:~$ vm restore
Restoring please wait ...
user@I-006-14:~$ ssh user@192.168.108.129

ssh: connect to host 192.168.108.129 port 22: No route to host
user@I-006-14:~$
user@I-006-14:~$ vm start
Starting
user@I-006-14:~$ ssh user@192.168.108.129
ssh: connect to host 192.168.108.129 port 22: No route to host
user@I-006-14:~$ vm status
Status
Total running VMs: 1
/munka/linux/debian9_hu.vmx
user@I-006-14:~$ ssh user@192.168.108.129
user@192.168.108.129's password:
Linux linux 4.9.0-3-amd64 #1 SMP Debian 4.9.30-2+deb9u5 (2017-09-19) x86_64

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
user@linux:~$ clear

user@linux:~$ mkdir f_02; cd f_02
user@linux:~/f_02$ id
uid=1000(user) gid=1000(user) csoportok=1000(user),24(cdrom),25(floppy),29(audio),30(dip),44(video),46(plugdev),108(netdev)
user@linux:~/f_02$ ls -l
összesen 0
user@linux:~/f_02$ id
uid=1000(user) gid=1000(user) csoportok=1000(user),24(cdrom),25(floppy),29(audio),30(dip),44(video),46(plugdev),108(netdev)
user@linux:~/f_02$ mkdir -m 751 log
user@linux:~/f_02$ ls -ld log
drwxr-x--x 2 user user 4096 febr  27 10:06 log
user@linux:~/f_02$ touch log/error.log; chmod 640 log/error.log; chgrp students log/error.log
chgrp: érvénytelen csoport: ”students”
user@linux:~/f_02$ addgroup students
-bash: addgroup: parancs nem található
user@linux:~/f_02$ groupadd students
-bash: groupadd: parancs nem található
user@linux:~/f_02$ cd log/
user@linux:~/f_02/log$ cd ..
user@linux:~/f_02$ chgrp students log/error.log
chgrp: érvénytelen csoport: ”students”
user@linux:~/f_02$ ln -s www/include php5
user@linux:~/f_02$ ls l php5
ls: 'l' nem érhető el: Nincs ilyen fájl vagy könyvtár
php5
user@linux:~/f_02$ ls -l php5
lrwxrwxrwx 1 user user 11 febr  27 10:11 php5 -> www/include
user@linux:~/f_02$ chgrp -h users php5
chgrp: 'php5' csoportjának megváltoztatása: A művelet nem engedélyezett
user@linux:~/f_02$ mkdir -m 777 www
user@linux:~/f_02$ su loser
No passwd entry for user 'loser'
user@linux:~/f_02$ adduser loser
-bash: adduser: parancs nem található
user@linux:~/f_02$ su loser -c "mkdir -m 775 www/htdocs"
No passwd entry for user 'loser'
user@linux:~/f_02$ su loser -c "sg students -c 'touch www/htdocs/index.php'"
No passwd entry for user 'loser'
user@linux:~/f_02$ //most kérne jelszót
-bash: //most: Nincs ilyen fájl vagy könyvtár
user@linux:~/f_02$