Centos 6.X 與Centos 7.X一些區別整理

來源:互聯網
上載者:User

man:

centos 6.x

[root@Lnmp ~]# whatis man
man: nothing appropriate
[root@Lnmp ~]# makewhatis
[root@Lnmp ~]# man -f man
man                  (1)  - format and display the on-line manual pages
man.config [man]     (5)  - configuration data for man
man [manpath]        (1)  - format and display the on-line manual pages
centos 7.x

[root@localhost ~]# man -f man
man: nothing appropriate.
[root@localhost ~]# makewhatis
-bash: makewhatis: command not found
[root@localhost ~]# mandb
[root@localhost ~]# man -f man
man (1)              - an interface to the on-line reference manuals

服務啟動:

centos6.x:

[root@Shell byrd]# /etc/init.d/sshd status    #查詢sshd服務狀態
openssh-daemon (pid  1183) is running...
[root@Shell byrd]# /etc/init.d/sshd restart    #重新啟動sshd服務
Stopping sshd:                                             [  OK  ]
Starting sshd:                                             [  OK  ]
[root@Shell byrd]# service sshd restart    #重新啟動sshd服務
[root@Shell byrd]# chkconfig --list|grep 3:on    #啟動服務

centos7.x:

[root@hz ~]# systemctl status sshd.service    #查詢sshd服務狀態
sshd.service - OpenSSH server daemon
   Loaded: loaded (/usr/lib/systemd/system/sshd.service; enabled)
   Active: active (running) since Tue 2016-01-12 16:04:22 CST; 5min ago
  Process: 2018 ExecStartPre=/usr/sbin/sshd-keygen (code=exited, status=0/SUCCESS)
 Main PID: 2019 (sshd)
   CGroup: /system.slice/sshd.service
           └─2019 /usr/sbin/sshd -D
[root@hz ~]# systemctl restart sshd.service    #重新啟動sshd服務
[root@hz ~]# systemctl list-unit-files|grep enabled    #查詢所有啟動服務

防火牆

centos6.x(預設是iptables):

[root@Shell byrd]# iptables -t filter -A INPUT -p tcp --dport 22 -j ACCEPT    #允許22連接埠,預設sshd服務


centos7.x(預設是firewalld):

[root@hz ~]# firewall-cmd --permanent --zone=public --add-port=22/tcp    #允許22連接埠,預設sshd服務
未完待續!!!

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.