- A+
所属分类：Basic
man：
centos 6.x
|
0 1 2 3 4 5 6 |
[root@Centos6 ~]# whatis man man: nothing appropriate [root@Centos6 ~]# makewhatis [root@Centos6 ~]# 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
|
0 1 2 3 4 5 6 |
[root@Centos7 ~]# man -f man man: nothing appropriate. [root@Centos7 ~]# makewhatis -bash: makewhatis: command not found [root@Centos7 ~]# mandb [root@Centos7 ~]# man -f man man (1) - an interface to the on-line reference manuals |
服务启动：
centos6.x：
|
0 1 2 3 4 5 6 |
[root@Centos6 ~]# /etc/init.d/sshd status #查询sshd服务状态 openssh-daemon (pid 1183) is running... [root@Centos6 ~]# /etc/init.d/sshd restart #重新启动sshd服务 Stopping sshd: [ OK ] Starting sshd: [ OK ] [root@Centos6 ~]# service sshd restart #重新启动sshd服务 [root@Centos6 ~]# chkconfig --list|grep 3:on #启动服务 |
centos7.x：
|
0 1 2 3 4 5 6 7 8 9 |
[root@Centos7 ~]# systemctl status sshd.service #查询sshd服务状态 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@Centos7 ~]# systemctl restart sshd.service #重新启动sshd服务 [root@Centos7 ~]# systemctl list-unit-files|grep enabled #查询所有启动服务 |
防火墙
centos6.x（默认是iptables）：
|
0 |
[root@Centos6 ~]# iptables -t filter -A INPUT -p tcp --dport 22 -j ACCEPT #允许22端口，默认sshd服务 |
centos7.x（默认是firewalld）：
|
0 |
[root@Centos7 ~]# firewall-cmd --permanent --zone=public --add-port=22/tcp #允许22端口，默认sshd服务 |
语言：
centos6.x
|
0 1 2 |
[root@centos6 /]# cat /etc/sysconfig/i18n LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 |
centos7.x
|
0 1 2 |
[root@centos7 ~]$ cat /etc/locale.conf LANG="en_US.UTF-8" SYSFONT="latarcyrheb-sun16" |
man page 转换纯文本：
centos6.x
|
0 |
[root@centos6 /]# man test | col -b > 1.txt #内容中有反斜杠，保留后面的内容 |
centos7.x
|
0 |
[root@centos6 /]# man test >1.txt #7貌似过滤了 |
未完待续！！！
