Linux的CLI笔录
Linux - CLI笔录 Linux的CLI笔录 Linux CentOS及Redhat的firewall-cmd使用 Linux CentOS及Redhat的iptables使用 Linux的tcpdump使用 Linux的vim使用 Linux创建systemctl系统服务 Linux扫描全部磁盘 OpenWrt的CLI 参考来源
[ root@localhost ~]
docker.xml public.xml public.xml.old
[ root@localhost ~]
< ?xml version = "1.0" encoding = "utf-8" ?>
< zone>
< short> Public< /short>
< description> For use in public areas. You do not trust the other computers on networks to not harm your computer. Only selected incoming connections are accepted.< /description>
< port protocol = "udp" port = "587" />
.. .
firewall-cmd --help
firewall-cmd --list-all-zones
firewall-cmd --list-all
firewall-cmd --zone = public --list-port
firewall-cmd --zone = public --list-services
firewall-cmd --zone = public --list-all
firewall-cmd --state
firewall-cmd --reload
systemctl status firewalld
firewall-cmd --zone = public --add-port= 80 /tcp --permanent
firewall-cmd --zone = public --add-service= nfs --permanent
firewall-cmd --zone = public --add-rich-rule= "rule family=" ipv4" source address=" X.X.X.0/24" port port=" 2049 " protocol=" tcp" accept"
firewall-cmd --zone = public --add-rule= xxx
firewall-cmd --zone = public --add-chain= xxx
firewall-cmd --zone = public --remove-xxx= yyy
firewall-cmd --zone = public --remove-rich-rule= "xxx"
iptables --help
iptables -nvL
iptables -t filter -nvL INPUT
iptables -t nat -nvL
systemctl status firewalld
iptables -I INPUT 1 -p tcp --dport 22 -s 1.1 .1.0/24 -d 1.1 .2.1 -j ACCEPT
iptables -I INPUT 1 -p tcp -m multiport --dport 20 :22,111,389,636,2000:2100 -s 1.1 .1.0/24 -d 1.1 .2.1 -j ACCEPT
iptables -A OUTPUT -p udp --sport 111 -s 1.1 .2.1 -d 1.1 .1.0/24 -j DROP
iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -D INPUT 1
iptables -R INPUT 1 -j DROP
iptables -F INPUT
iptables -P INPUT DROP
iptables -P OUTPUT DROP
iptables -P FORWARD DROP
service iptables save
tcpdump -i any host 1.1 .1.1 port 80 -X -s0 -nnvvve
vim ~/.vimrc
set cuc
set number
systemctl list-units --type = service
[ root@nginx ~]
[ root@nginx ~]
[ root@nginx ~]
[ root@nginx ~]
lrwxrwxrwx. 1 root root 74 Sep 19 09:21 /usr/lib/systemd/system/custom.service -> /etc/systemd/system/custom.target.wants/custom.service
[ root@nginx ~]
-rw-r--r--. 1 root root 306 Jul 24 11 :26 /etc/systemd/system/custom.target.wants/custom.service
[ root@nginx ~]
[ Unit]
Description = desc
Requires = network.service
[ Service]
ExecStart = /usr/bin/python3 /tmp/custom.py
Type = simple
KillMode = mixed
[ Install]
WantedBy = multi-user.target
:x
systemctl status custom.service
systemctl is-enabled custom.service
systemctl enable custom.service
ls /sys/class/scsi_device
for i in ` ls /sys/class/scsi_device` ; do echo 1 > /sys/class/scsi_device/$i /device/rescan; done
vim /etc/rc.d/K15addroute
START = 99
STOP = 15
start ( ) {
route add -net 1.1 .0.0/16 gw 1.1 .1.2 metric 10
}
:x
vim /etc/rc.d/S99addroute
START = 99
STOP = 15
start ( ) {
route add -net 1.1 .0.0/16 gw 1.1 .1.2 metric 10
}
:x
cd /etc/rc.d/
ll *addroute
lrwxrwxrwx 1 root root 18 Aug 17 2022 K15addroute -> .. /init.d/addroute*
lrwxrwxrwx 1 root root 18 Aug 17 2022 S99addroute -> .. /init.d/addroute*
（建议收藏）systemd（systemctl命令）运行服务的配置文件详解 Linux扩容虚拟磁盘后不显示新增磁盘或扩容后的磁盘大小
