Get the App
  • VRRP single backup

    VRRP single backup

    1. According to the networking requirements, start four switches and two PCs. two。 Configure VLAN2 under SwitchA. 3. Create backup group 1 and configure the virtual IP address of backup group 1 to be 10.1.1.111. 4. Set the priority of SwitchA in backup group 1 to 11

    Shulou · 2022-06-01 04:41
  • Comparison of various startup modes of Redis!

    Comparison of various startup modes of Redis!

    Feeling: after playing with Redis for a long time, I really feel that the startup mode is still convenient by my own definition! 1) Direct startup and shutdown: (default for configuration file) enable: redis-server & (& run in the background) # daemonize yes (this parameter can also be modified by configuration file

    Shulou · 2022-06-01 04:41
  • ARP message and arp_ignore arp_announce

    ARP message and arp_ignore arp_announce

    Background: (1) according to the default TCP/IP stack processing, the source address of the response message is equal to the destination IP of the request message. (2) about the ARP table: the mapping table of IP, MAC and network interface; the IP in the list belongs to the network segment where the device is located, when sending / forwarding non-local network segment

    Shulou · 2022-06-01 04:41
  • Functional styles: Lambda functions and mappings

    Functional styles: Lambda functions and mappings

    First-class function: what is the first-class function of Lambda function and mapping? You may have heard before that it is useful to speak a particular language because of its "first-class functionality". As I said in the first article in this series on functional programming, I don't agree with this popular view. I agree

    Shulou · 2022-06-01 04:41
  • Centos6.6-zabbix alarm

    Centos6.6-zabbix alarm

    There are two cases of mail alarm: sending mail using the local mailbox account of the Zabbix server. 1. The Zabbix server simply sends the alarm email to the specified mailbox. The mailbox account that sends the alarm email is the local mailbox account of the Zabbix server (for example: root@lo).

    Shulou · 2022-06-01 04:41
  • SNMP acquires CISCO related information

    SNMP acquires CISCO related information

    # obtain port Indexsnmpwalk-v 2c-c Pub_PCon9-CT 192.168.232.25 1.3.6.1.2.1.2.2.1.1.1.1.1.2.1.1.The list of ports and their description snmpwalk-v

    Shulou · 2022-06-01 04:41
  • CCNA OSI seven-layer model

    CCNA OSI seven-layer model

    The OSI model OSI helps manufacturers to produce interoperable devices and software in a protocol way, so that the networks of different manufacturers can work together. The OSI model is mainly a network architecture model, which describes how data and network information propagate from one host's application to another through the network media.

    Shulou · 2022-06-01 04:41
  • Juedaiyuer MNIST machine learning

    Juedaiyuer MNIST machine learning

    MNIST is an entry-level computer vision data set, it contains a variety of handwritten digital pictures: 1. MNIST data set MNIST, does it sound very high-end atmosphere, do not know what this is? (classical) MNIST data to be used in handwritten digit classification problems

    Shulou · 2022-06-01 04:41
  • Automatically collect the scanned results of the burpsuite scanenr module

    Automatically collect the scanned results of the burpsuite scanenr module

    Automatic collection of burpsuite scanenr module scanned results 0x00 requirements in QA functional testing, but also security testing, reduce the time spent on product safety testing, tools can find security issues, as early as possible. Looking for 0x01 ideas

    Shulou · 2022-06-01 04:41
  • Configure ADSL Broadband Router

    Configure ADSL Broadband Router

    Chapter (9) of "Network and Technology applications"-Lab report Lab Task configuration ADSL Broadband Router detailed Experimental step 1: configure vpdnrouter (config) # vpdn enable (Virtual Private Dial-up Network enabled Router-* * d) rou

    Shulou · 2022-06-01 04:41
  • Zabbix alarm mode

    Zabbix alarm mode

    1. Email alarm using mutt tool. Script: echo "$3" | mutt-s "$2" $1 Note: python script can refer to: http://strongit.github.io/2016/05/01/zabb

    Shulou · 2022-06-01 04:41
  • Quickly configure site sharing in the local IIS to remote access

    Quickly configure site sharing in the local IIS to remote access

    For various reasons, we often have to send the site built on this machine or in the local area network to a remote person to visit, he may be a tester, customer, front-end, or leader demonstration, or the internal system internal forum temporarily needs to be accessed remotely, the event becomes very troublesome, either there is a public network IP, or can be controlled

    Shulou · 2022-06-01 04:41
  • C speech order search algorithm and code

    C speech order search algorithm and code

    Order search is a complex search algorithm, which is accomplished by starting with the elements at the beginning of the sequence and stopping the comparison between the elements in the sequence and the elements you are looking for one by one. If there are elements in the sequence that are equal to the elements you are looking for, then the search wins, if the first element of the sequence does not exist.

    Shulou · 2022-06-01 04:41
  • Virtual Desktop Security Policy: network isolation Scheme

    Virtual Desktop Security Policy: network isolation Scheme

    In the traditional desktop scheme, physical isolation (such as isolation card scheme, dual PC mode) and logical isolation (such as ACL/VLAN-based network strategy) are mostly used to achieve network isolation. In addition, we can also use this way, such as the network admission operation referred to as NAC to realize the logic of the network.

    Shulou · 2022-06-01 04:41
  • Getting started with iptables and the use of basic commands

    Getting started with iptables and the use of basic commands

    Function of rules: four tables, five built-in chains: attributes of PREROUTINGINPUTFORWARDOUTPUTPOSTROUTING rules: 1. Network layer protocol attributes: ip2, transport layer protocol attributes:

    Shulou · 2022-06-01 04:41
  • Retina CS powerful vulnerability detection tool

    Retina CS powerful vulnerability detection tool

    Eeye Digital Security, a powerful vulnerability detection tool for RetinaCS, was founded in the late 1990s. It is the world's leading security company. It uses the latest research results and innovative technologies to ensure the security of your network brother system, and provides you with the most powerful services as follows: comprehensive, vulnerability assessment

    Shulou · 2022-06-01 04:41
  • Common commands for Netscreen Firewall-Administration

    Common commands for Netscreen Firewall-Administration

    Common commands for Netscreen firewalls-Administration ns25- > get admin / / View the management settings of the firewall HTTP Port: 80, HTTPS Port: 443TELNET Port: 23, SSH

    Shulou · 2022-06-01 04:41
  • Use the predefined Subject in Rx

    Use the predefined Subject in Rx

    See an interesting picture about Rx learning, want to know the learning curve of learning Rx? No, it's the cliff! We can create Observable objects directly through Rx's Observer. However, using this approach is often more complex, in a specific

    Shulou · 2022-06-01 04:41
  • DNS delegation

    DNS delegation

    FQDN: fully qualified domain name PTR: reverse pointer record DNS delegation: a DNS server delegates resolution of certain areas to other DNS servers case 1: delegate bj.uec.com zones to server02: create children of bj.uec.com

    Shulou · 2022-06-01 04:40
  • Shell script awk command of the three Musketeers

    Shell script awk command of the three Musketeers

    Awk: testing template: M.Tansley 05lem99 48311 Green 8 40 44.44J.Lulu 06amp99 48317 green 9 24 2678.P.Bunnyaaa 02Universe 99

    Shulou · 2022-06-01 04:40