查看
head
cat
tail
type
file
lsb_release
uname
last -n 5 | awk '{print $1 "\t" $3}'
head -n 5 /etc/passwd | awk 'BEGIN {FS=":"} {print $1 $2 $3}'
ifconfig | grep inet |sed -n '1p'| awk '{print $2}' | awk 'BEGIN {FS=":"} {print $2}'
grep -v ^# rdis.conf
less
less +F startup.sh
more
uname -r
umask
alias
wc -l /etc/inittab
./shutdown.sh & tailf ../logs/catalina.out
#
# -lt：sort by ctime
# -l：sort by name otherwise: sort by modification time
ls -clt /home
ls -cl /home
ls -ld /home
history
free
wc
帮助
man
info
man 1p diff
man apropos
help -d cd
搜索
whatis
whereis
which
locate
grep
find
find . -name "" -type f -print
# 推荐
find . -name "" -type f -print0
# 搜索*sh，并每两个一行，打印
find . -name "*sh" -type f -print | xargs -L 2 echo
#-l默认为-l 1,现在使用-L max-lines替代
# -I {} 替换标准输入的名称
find . -name "pass*" | xargs -l -I{} cp {} tmp/
#
find . -type d -empty | xargs rmdir
网络
ifconfig
ifconfig eth0 up | down | status
netstat -ano | find 6379
netstat -tunlp | grep 6379
service network start
service iptables start
service NetworkManager restart
dig
telnet ip port
man iptables-save
route add -host 192.168.10.2 gw 192.168.84.1
route del gw 192.168.84.1
route del 192.168.10.2 gw 192.168.84.1
route add -host 192.168.10.2 netmask 255.255.255.0 gw 192.168.84.1
route add -host 10.2.112.2 gw 192.168.84.1 netmask 255.255.255.0
route add -host 10.2.112.2 gw 192.168.84.1
curl www.baidu.com
wget -O /etc/yum.repos.d/CentOS-Base.repo http://allen-hz-bucket.oss-cn-hangzhou.aliyuncs.com/centos/Centos-6-Vault-Official.repo
nss
mill-tool eth0
route [-n]
ip addr ls
进程
ps aux | grep top
ps -i:2181
ps -l
ps -el
ps -ef
ps -ly
lsof -p 3980
lsof -i:6379
lsof -i @localhost:2181
lsof -i tcp@127.0.0.1:2181
lsof -i tcp@:2181
lsof -i tcp:2181
lsof -i tcp
ps -ef | grep name --> pid
top -p pid
kill -l
pkill
任务
jobs
top
fg 1
bg 1
系统状态
uptime
top
nproc
lsproc
lscpu
配置文件
/proc/cpuinfo
/etc/rc.local
/etc/rc.d/rc.lcoal
/etc/init.d/iptables
/etc/sysconfig/iptables
/etc/inittab
/var/run/redis_6379.pid
/var/log/secure
/etc/init.conf
/etc/sudoers
/etc/default/grub
# 6.9
/etc/udev/rules.d/70-persistent0-net.rules
/etc/sysconfig/network-scripts/ifcfg-eth0
/etc/default/grub
/etc/fstab
1、/etc/sudoers
可使用：visudo命令编辑
root ALL=(ALL) ALL
chyong ALL=/sbin/shutdown -c
2、/etc/rc.d/rc.local
JAVA_HOME=/usr/local/jdk
export JAVA_HOME
cd /usr/local/zookeeper/bin
./zkServer.sh start
3、/etc/sysconfig/iptables(6.9)
[root@bwsy redis-cluster]# cat !$
cat /etc/sysconfig/iptables
# Generated by iptables-save v1.4.7 on Sun Mar 17 07:24:10 2019
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -p tcp -m tcp --dport 6379 -j ACCEPT
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 2181 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 6379 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 8080 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 7001:7006 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
#-A INPUT -s 127.0.0.1/32 -p tcp -m state --state NEW -m tcp --dport 6379 -j ACCEPT
#-A INPUT -s 192.168.1.2/32 -p tcp -m state --state NEW -m tcp --dport 6379 -j ACCEPT
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
# Completed on Sun Mar 17 07:24:10 2019
用户
w
who
last
lastlog [user]
useradd
groupadd
文件
mkdir
chown
chmod
chgrp
ln -s /usr/local/redis/ /root/redis
磁盘
fdisk
mkfs
lsblk
df
df -h | awk '{if (NR>1) {print $1 "\t" $5} }'
du -sh .
# -a：所有文件（不仅文件夹）
# -s：参数的总大小
du
软件管理
rpm
rpm -qa gcc
rpm -qf /bin/ls
rpm -i xxx.rpm
yum search gcc
yum install gcc -y
# 查看那个package提供该文件
yum provides "*/nmcli"
# NetworkManager command line
nmcli con | sed -n '1,2p'
sed -i 's/HISTSIZE=1000/HISTSIZE=10000/g' /etc/profile && source /etc/profile
yum clean packages
yum clean headers
yum clean metadata
yum clean plugins
# 上面全部
yum clean all
tar
tar -zxvf redis-3.0.0.tar.gz
tar -cxf redis-3.0.0.tar.gz -C /usr/local/redis
开关机
shutdown -h now
reboot
环境
set
env
参数
$?
$$
$-
!$
测试
ab
ab -n 4 -c 2 https://www.baidu.com
其他
sync
exit
su - user
passwd
logout
init
pwd
# -P：物理目录（软连接）
cd -L：默认
cd [-P]
# -e：开启解析backslash escape(反斜杠转义)
echo -e '\a'
# ``和$()等价
echo `date`
echo $(date)
echo $LANG
echo tmp/* | xargs -t mv {} .
diff
comm
printf '%s %s\n' 1 2 3 4 5 6
setup
runlevel
bash hello.sh
. hello.sh
source hello.sh
./hello.sh
常用软件命令
redis-server redis.conf
redis-cli -p 6379 shutdown
zkServer.sh start
zkServer.sh status