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  • Detailed explanation of Firewalld Firewall Foundation of CentOS7 system

    Detailed explanation of Firewalld Firewall Foundation of CentOS7 system

    About Firewalld dynamic firewall management tools that support network links and interface security levels defined by the network area, support IPv4, IPv6 fire wall settings, and Ethernet bridges, and support services or applications to directly add firewall rule interfaces. There are two configuration modes 1. Transport

    Shulou · 2022-06-02 20:19
  • Helm Tips

    Helm Tips

    {{- toYaml. | | trim | nindent 8}} remove the redundant newline character yum list docker-ce-- showduplicates | sort-r to view the version of the software installed in yum |

    Shulou · 2022-06-02 20:19
  • How to optimize win10 system better

    How to optimize win10 system better

    In order to make the operation more smooth, some users choose to simplify the system by turning off some of their own features to optimize the system. But users who do not understand the computer, it is recommended not to optimize the system, especially the C disk files, accidentally deleted, it is easy to cause the system crash, counterproductive. Speaking of Window systems,

    Shulou · 2022-06-02 20:19
  • Lossless expansion of C disk

    Lossless expansion of C disk

    After win10 released the update, as soon as I installed my C disk, I couldn't make up any remaining space, so I had to find a way to clean C disk or expand the capacity of C disk. If we usually pay more attention to the use of computer disks and the choice of file locations, the former method is very limited in solving the urgent problem of disk C, so we can only think about it.

    Shulou · 2022-06-02 20:18
  • WIN7--PPT virtual tutorials

    WIN7--PPT virtual tutorials

    1. Click the network icon in the taskbar in the lower right corner of the desktop, and then click "Open Network and sharing Center". You can also enter the network and sharing center through the network and Internet in the control panel. 2 in the network and sharing center, click "set up a new connection or network"; 3 select "connection"

    Shulou · 2022-06-02 20:18
  • VMware + JunOS + Linux to build a security testing platform

    VMware + JunOS + Linux to build a security testing platform

    As we all know, VMareWorkStion is a powerful desktop virtualization software, which can build Windows virtual machine, Linux virtual machine, and even various network operating systems, such as CISCO ASA, Juniper SRX and so on. And can

    Shulou · 2022-06-02 20:17
  • The Best way to run Virtual applications in Azure & mdash;—XenApp

    The Best way to run Virtual applications in Azure & mdash;—XenApp

    I have written two blogs about Microsoft putting its virtual application RemoteApp on the Azure cloud platform to transform traditional Windows applications into a delivery method similar to SaaS applications. Thoughts on all kinds of applications and their Future Development

    Shulou · 2022-06-02 20:17
  • Windows opens port 3306

    Windows opens port 3306

    Control Panel → system and secure → Windows Firewall, click Advanced Settings in the left menu. Windows 8 over 8.1, Windows Server 2012 use Win+X, search the firewall, and open it. Right-click "inbound rules"

    Shulou · 2022-06-02 20:17
  • Kafka-manager deployment and testing (complete)

    Kafka-manager deployment and testing (complete)

    Kafka-manager deployment one, the concept of Baidu, can be understood according to the relevant information. 1.1 Kafka is a high-throughput distributed publish and subscribe messaging system that can handle all action flow data in consumer-scale websites. BrokerKa

    Shulou · 2022-06-02 20:17
  • The K8s Core principle of kubernetes-- the second part (5)

    The K8s Core principle of kubernetes-- the second part (5)

    6. Principle of shared storage    Kubernetes for applications that are stateful or need to persist data, not only do you need to mount the directory in the container to the host directory or empDir temporary storage volume, but also need more reliable storage to store the important data generated by the application.

    Shulou · 2022-06-02 20:16
  • 3. Juniper SSG550M STATUS status light is red (memory stick problem)

    3. Juniper SSG550M STATUS status light is red (memory stick problem)

    After the Juniper SSG550M is powered on, the status lights are as follows: POWER, green, STATUS, red, ALARM and HA orange. It is found that there is a problem with a memory bar after troubleshooting. After unplugging the problematic memory bar, it can start normally.

    Shulou · 2022-06-02 20:16
  • A brief Analysis of the usage of sed with an example

    A brief Analysis of the usage of sed with an example

    First of all, let's say we have a file called 123.txtjingracat to see that it contains something like this: [root@func-lms-001 ~] # cat 123.txt jamescurry durantwadeyao

    Shulou · 2022-06-02 20:16
  • Docker Foundation

    Docker Foundation

    Docker Foundation 1 (basic configuration) 1. Configure docker0 ip address; root@Userver01:~# cat / etc/docker/daemon.json {"bip": "172.16.10.1Uni2"

    Shulou · 2022-06-02 20:16
  • What is CCTV and what exactly is the problem to be solved?

    What is CCTV and what exactly is the problem to be solved?

    At the beginning of the story, the concept, which was first put forward by Ali in 2015 in the strategy of "big medium-sized platform, small receptionist", has become a hot topic in China recently. From last year to this year, Internet giants such as Ali, Tencent, Baidu, JD.com, Meituan and Didi began to adjust their organizational structure one after another, with the intention of building China and Taiwan.

    Shulou · 2022-06-02 20:16
  • Windows Server deploys DNS services

    Windows Server deploys DNS services

    Windows Server deploy DNS Service when we are surfing the Internet, we usually type in the URL, which is actually a domain name, and the computers on our computer network can only identify each other by using IP addresses. The domain name (URL) is only equivalent to the house number, just

    Shulou · 2022-06-02 20:15
  • How much do you know about CVM technology?

    How much do you know about CVM technology?

    Since the cloud host has been widely used, various major IT technology companies have begun to participate in the research and development of the cloud host technology, such as Google Cloud, Aliyun, Kuifang Cloud, Baidu Cloud and so on. In China, there are also a large number of enterprises in the research and development of cloud host academic field, technology applications, etc., to make a variety of different attempts

    Shulou · 2022-06-02 20:15
  • ELK Import ES Certificate

    ELK Import ES Certificate

    Install x-pack (installed by default) View the certificate information curl 'http://192.168.1.43:9200/_license' download get the certificate get the certificate https://register.elastic.c

    Shulou · 2022-06-02 20:15
  • Basic setup of VLAN-- experiment

    Basic setup of VLAN-- experiment

    The VLAN basic setup case is after the previous theoretical article: https://blog.51cto.com/14481836/2427908 We will conduct an experiment on the configuration of vlan. First, open GNS3 and drag in a routing device and three PCs.

    Shulou · 2022-06-02 20:15
  • Windows server 2008 R2 remote error report

    Windows server 2008 R2 remote error report

    Go to work in the morning and prepare to go to the server remotely, and the error message is as follows: Baidu found that it was due to the impact of the system update, and found the update package repair according to the search results. Http://www.catalog.update.microsoft.com/Download

    Shulou · 2022-06-02 20:15
  • Lua table reference problem

    Lua table reference problem

    First, basic 1, in lua, table simply passes references (that is, both variables point to the same piece of memory space), so you can't copy two tables with a simple "=" and try to change the values in one table. Tb = {} tb.a = 11tb.b = 22

    Shulou · 2022-06-02 20:15