Ajụjụ na Azịza ajụjụ ajụjụ ọnụ Linux 10 bara uru

Ọ tụrụ ntakịrị ihe ijuanya na oge a, anyị anaghị ebute ajụjụ ajụjụ ọnụ n'isiokwu ọ bụla akọwapụtara kama na isiokwu enweghị usoro. Ajụjụ ndị a ga-enyere gị aka n'ịgbawa ajụjụ ọnụ n'akụkụ ịgbakwunye na Ọmụma gị.

# zcat ­f phpshell­2.4.tar.gz

Na-agba ọsọ 'syslogd' ngwa na ọnụ na-emepụta faịlụ ndekọ na ebe '/var/log/syslog'. Ngwa syslogd bara ezigbo uru na nhazi usoro Linux. Faịlụ ndekọ ihe atụ yiri nke dị n'okpuru.

Mepee faịlụ '/etc/hosts.deny'.

# vi /etc/hosts.deny

Tinye adreesị IP nke ịchọrọ igbochi na ala nke faịlụ ahụ.

#
# hosts.deny    This file contains access rules which are used to
#               deny connections to network services that either use
#               the tcp_wrappers library or that have been
#               started through a tcp_wrappers-enabled xinetd.
#
#               The rules in this file can also be set up in
#               /etc/hosts.allow with a 'deny' option instead.
#
#               See 'man 5 hosts_options' and 'man 5 hosts_access'
#               for information on rule syntax.
#               See 'man tcpd' for information on tcp_wrappers
#
vsftpd:172.16.16.1

# find /home/ ­name '*.tar' | xargs rm ­rf

# find -­name “*.txt” | xargs grep “Tecmint”

# echo please save your work, immediately. The server is going down for Maintenance at 12:30 Pm, sharply. | wall

Nke ahụ bụ ihe niile ugbu a. M ga-anọ ebe a ọzọ, na-akpali isiokwu nnọọ anya. Ruo mgbe ahụ nọrọ na nche wee jikọọ na Tecment. Echefula ịnye nzaghachi gị bara uru na ngalaba nkọwa n'okpuru.