Linux 学习
远程登录Linux(05)
文本方式远程: putty SecureCRT winSCP SshClient
图形方式远程:Xmanager Xming
ifconfig
ps -ef | grep ssh
df -H
env
关机重启(09)
poweroff
shutdown -h now
shutdown -h 10
shutdown -h 20:25
shutdown -r now
reboot
文件目录命令
目录浏览: cd dir ls ll pwd
文件浏览: cat (> >>) more less head tail
目录操作: mkdir rmdir
文件操作: touch rm cp mv ln tar gzip gunzip stat echo
find grep who/w whereis whatis
find /tmp/ -name a.txt
rpm -qa|grep httpd
who |grep tty1
stat dm.txt
dmesg
软件包安装(12)
rpm -qa | grep httpd
rpm -q httpd
rpm -ql httpd
rpm -ivh httpd.rpm
rpm -Uvh httpd.rpm
rpm -Fvh httpd.rpm
rpm -e httpd
mount /dv/cdrom /mnt
打包(13)
tar -cvf test.tar *
tar -zcvf test.tar.gz *
tar -tf test.tar
tar -xvf test.tar
tar -zxvf test.tar.gz
gzip gunzip
系统信息类命令(13)
date cal clock
dmesg df du free w last
df -H
du /tmp
echo $SHELL
history
用户与组管理(14)
/etc/passwd
/etc/shadow
/etc/group
useradd userdel passwd usermod
groupadd groupdel groupmod
id
useradd -g stuff -G root stuff
userdel -r stuff
id stuff
文件系统(15)
u(user) g(group) o(other) a(all)
SUID GUID SBIT
- d l s p c b
x(1) w(2) r(4)
chmod chown umask
文本编辑器VI(18)
H M L G ^ $
dd yy p
: r filenae
/ n N
:s/old/new
:%s/old/new/g
:%s/old/new/gc
:set nu
网络基础(19)
/etc/sysconfig/network-scripts/ifcfg-eth0
/etc/sysconfig/network
/etc/host.conf
/etc/hosts
/etc/resolv.conf
/etc/services
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.1.10
NETMASK=255.255.255.0
GATEWAY=192.168.1.1
NETWORK=192.168.1.0
BROADCAST=192.168.1.255
NETWORKING=yes
HOSTNAME=linux.jnrp.cn
GATEWAY=192.168.1.1
127.0.0.1 localhost.localdomain localhost
192.168.1.10 centos
nameserver 192.168.1.1
nameserver 61.134.1.4
search jnrp.cn
domain jnrp.cn
/etc/rc.d/rc.local
ifconfig ifup ifdown hostname route netconfig
ping traceroute netstat curl wget
route -n
route add -net netaddr netmask gw ipaddr dev
route add default gw ipaddr
route del -net netaddr netmask gw ipaddr dev
netstat -ant
curl --head www.163.com
进程管理(20)
ps top
kill killall nice renice nohup
fg bg jobs
setup ntsysv chkconfig
ps -aux
ps -ef
ls -R / >list &
kill -9 927
killall xinetd
CTRL + C
CTRL + Z
chkconfig --list
邮件服务器(22)
EXTMail
LAMP综合(24)
Apache /etc/httpd/conf/httpd.conf
PHP /etc/php.ini
MySQL /etc/my.cnf
htpasswd -c /etc/httpd/conf/httppwd testUser
htpasswd /etc/httpd/conf/httppwd testUser
基于用户/用户组的认证
基于虚拟主机(IP/端口)的网站
MySQL主从服务器(29)
主:
vi /etc/my.cnf
server-id=1
log-bin
binglog-do-db=备份库名
binglog-ignore-db=不备份库名
从:
vi /etc/my.cnf
server-id=2
master-host=192.168.1.9(主IP)
master-user=admin(账号)
master-password=7758521(密码)
master-port=3306(端口)
replicate-do-db=booboo(库名)
mysql> show slave status\G
Slave start
Slave stop
Reset slave
Show slave status
Show master status
WEB同步(29)
vi /etc/rsyncd.conf
uid=root
gid=root
use chroot = no
max connections =20
pid file=/var/run/rsyncd.pid
lock file=/var/run/rsync.lock
log file=/var/log/rsyncd.log
[web]
path=/var/www/html/bbs/
ignore errors
read only=yes
hosts allow=192.168.1.0./24
hosts deny=0.0.0.0/32
/usr/bin/rsync --daemon
#!/bin/sh
while true
do
/usr/bin/rsync -av 192.168.1.3::web /bbs/ >/dev/null 2>&1
sleep 20
done
rsync -vzrtopg 192.168.1.3::web /bbs/
/usr/bin/nohup /bin/sh /usr/local/webserver/tb.sh 2>&1 > /dev/null &