securityaffairsJan 6
CERT/CC warns of critical, unfixed vulnerability in #TOTOLINK #EX200
https://securityaffairs.com/186597/security/cert-cc-warns-of-critical-unfixed-vulnerability-in-totolink-ex200.html
#securityaffairs #hacking
CERT/CC warns of critical, unfixed vulnerability in TOTOLINK EX200

CERT/CC disclosed an unpatched flaw in the TOTOLINK EX200 that allows a remote authenticated attacker to fully compromise the device.

Security Affairs
Andreas MoorDec 10

Nutzeranmeldungen im Blick mit last

Warum du den Befehl für die RHCSA kennen solltest Als RHCSA-Kandidat musst du Systemprotokolle finden und interpretieren können, um Anmeldeaktivitäten, Neustarts und mögliche Sicherheitsvorfälle nachzuvollziehen. Der Befehl last ist dafür eines der wichtigsten Werkzeuge, weil er dir auf einen Blick zeigt, wer sich wann, wie lange und von wo auf deinem System angemeldet hat. Was last genau macht last liest die Binärdatei /var/log/wtmp aus und listet alle Logins, Logouts, Neustarts […]

https://andreas-moor.de/nutzeranmeldungen-im-blick-mit-last/

IkHwan KooAug 18, 2025

RHCA + RHCE + Red Hat Special List 자격증 5개 넣고 돌려서 RHCA 뽑았습니다 ㅋ

비인기 종목으로 채우느라 고생은 좀 했지만, 그래도 하고 싶은 트랙으로 쭉 채워서 기분은 살짝 좋습니다 ^^

#RHCA #EX358 #EX415 #EX442 #EX436 #EX188 #EX294 #EX200

DeaDSouL Dec 1, 2022

Which device file is associated with the #virtual #console that is opened after using the Alt-F6 key sequence?
a) /dev/console6
b) /dev/tty6
c) /dev/vty6
d) /dev/pts/6

#Linux #quiz #rhel #redhat #ex200 #gnulinux #rhcsa #LinuxQuiz #sysadmin #tty #vty #pts

DeaDSouL Dec 1, 2022

You want to grep the #log file for #SELinux log messages. Which of the following strings should you use grep on?
a) selinux
b) deny
c) violation
d) avc

#Linux #quiz #rhel #redhat #ex200 #gnulinux #rhcsa #LinuxQuiz #sysadmin

DeaDSouL Dec 1, 2022

When a system is started, where does it initially get the system time?

a) NTP
b) Software time
c) The hardware clock
d) Network time

#Linux #quiz #rhel #redhat #ex200 #gnulinux #rhcsa #LinuxQuiz #sysadmin #time #ntp

DeaDSouL Dec 1, 2022

You want to log in to an SMB share. Which of the following commands shows correct syntax for doing so?

a) mount -o username=sambauser1 //server/share /somewhere
b) mount -o uname=sambauser1 //server/share /somewhere
c) mount sambauser1@//server/share /somewhere
d) mount -o username=sambauser1@//server/share /somewhere

#Linux #quiz #rhel #redhat #ex200 #gnulinux #rhcsa #LinuxQuiz #sysadmin #smb #cifs #samba #mount

DeaDSouL Dec 1, 2022

How do you create a #cron job for a specific user?

a) Log in as that user and type crontab -e to open the cron editor.
b) Open the crontab file in the user home directory and add what you want to add.
c) As root, type crontab -e username.
d) As root, type crontab -u username -e.

#Linux #quiz #crontab #rhel #redhat #ex200 #gnulinux #rhcsa #LinuxQuiz