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Proportional level definition table
Proportional level definition table
The proportion level used has a total of 13 levels ranging from 0 to 12. Their correspondence with the actual scale is as follows:
Level 0 -------------
I think now everyone contact with the VPS for a long time, also know that the Internet is ddos,cc is the norm, in the absence of hard defense, looking for software replacement is the most direct method, such as with iptables, but iptables can not be
Vps security settings, server security dog
It is suitable for new users and friends who have access to VPS. It focuses on VPS security.
Prohibit ROOT login to ensure security;
Use DDoS deflate to defend against attacks;
Iftop Linux traffic
Reference: http://one.ifof1.cn/Samba is a free software for SMB (Server Messages block, Information Service blocks) protocol implemented on Linux systems. It implements the sharing of files and printers within the LAN and is a client/server type
lsblock: View hard disk partition statusAfter creating a hard drive, you can use echo '---' >/sys/class/scsi_host/host2/scan if you want to display it in addition to rebootingcat/usr/share/dict/words: Dictionary (can be used as a script to crack the
Change time zone to East 8, Shanghai
1 cp/usr/share/zoneinfo/asia/shanghai/etc/localtimeModify Host Name
1 #需要改下边这两个文件:
2 vim/etc/hosts
3 Vim/etc/sysconfig/networkView the number of connections per IP for a server to detect DDoS
1 Netstat-ntu |
The following is a collection of common maintenance commands for linux servers. I hope this command will be helpful to you.
Change the time zone to Zone 8, Shanghai
1 cp/usr/share/zoneinfo/Asia/Shanghai/etc/localtimeModify host name
1 # modify the
How do I change the 192.168.0.2 of all. conf files under/home/example/to DB01 in non-interactive mode?
find/home/example/-type f-name "*.conf"-print|xargs sed-i ' s/192\.168\.0\.2/db01/g '
Write Iptables rule, only allow remote host
1. Loop through the current directory all file names contain html.php files[Org/tag/root ">root@yu1u.org/]# find. | grep "html.php"
2. Loop through the current directory all file names contain html.php files and delete[root@yu1u.org/]# Find. | grep
There is a entire library of Blockchain APIs which you can select according to the needs that suffice your application. Some Libraries is open-sourced and Some are private. For examples, IBM ' s Hyperledger Fabric Project, Ethereum, Openchain,
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