Iptables View

UFW is a host-side iptables firewall Configuration tool, relatively easy to get started. General http://www.aliyun.com/zixun/aggregation/8284.html "> Desktop applications using UFW has been able to meet the requirements. Installation method sudo apt install UFW Of course, this is a graphical interface (relatively simple), in the new search GUFW to try ... Use Method 1 to enable ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; First download the latest source code for iptables.     Compile the installation, and then stop the iptables installed by the system, and use the latest installed iptables to use the newly installed Iptables tool. Experiment One: Install 1, from ...

Before the formal introduction, it is necessary to first understand the kubernetes of several core concepts and their assumed functions. The following is the kubernetes architectural design diagram: 1. Pods in the kubernetes system, the smallest particle of dispatch is not a simple container, but an abstraction into a pod,pod is a minimal deployment unit that can be created, destroyed, dispatched, and managed. 　　such as a container or a group of containers. 2. Replication controllers ...

The novice to do Hadoop most headaches all kinds of problems, I put my own problems and solutions to sort out the first, I hope to help you. First, the Hadoop cluster in namenode format (Bin/hadoop namenode-format) After the restart cluster will appear as follows (the problem is very obvious, basically no doubt) incompatible namespaceids in ...: Namenode Namespaceid = ...

Here are some examples of using the rsync server. Running the Rsync service on the production server Assumption Network has the following 3 computer production servers-Pandr (192.168.0.220) Backup host A-backupa (192.168.0.221) Backup host B-BACKUPB (192.168.0.222) Configure rsync service 1 on Pandr, edit configuration file # Vi/etc/rsyncd ...

Refer to Hadoop_hdfs system dual-machine hot standby scheme. PDF, after the test has been added to the two-machine hot backup scheme for Hadoopnamenode 1, foreword currently hadoop-0.20.2 does not provide a backup of name node, just provides a secondary node, although it is somewhat able to guarantee a backup of name node, when the machine where name node resides ...

1. The foreword builds a distributed Hadoop environment in 3 system centos6.5 Linux virtual machines, the Hadoop version is 2.6, and the node IP is 192.168.17.133 192.168.17.134 192.168.17.135 2 respectively. Configure the Hosts file to configure Hosts files on 3 nodes, as follows: 192.168.17.133 master 192.168.17.134 slave1 ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall after we installed the Linux Server Web environment a key installation package Lanmp, 　　There may be a lot of doubt there is the use of the process of the problem, the following for you to sum up a few more common, if there are other questions, you can go to the Wdlinux forum to find relevant tutorials. 1. Add APA ...

Recently read some Linux command line articles, in the system information to learn a lot of commands. Think of a previously written article in fact, Linux so much easier to find these system information to view the command can also be summed up a small thing to come. # CAT/PROC/MTRR View Mtrrs Memory type range Registers # uhttp://www.aliyun.com/zixun/aggregation/11696.html >name-r view current kernel ...

Kafka configures SASL authentication and permission fulfillment documentation. First, the release notes This example uses: zookeeper-3.4.10, kafka_2.11-0.11.0.0. zookeeper version no requirements, kafka must use version 0.8 or later. Second, zookeeper configuration SASLzookeeper cluster or single node configuration the same. Specific steps are as follows: 1, zoo.cfg file configuration add the following configuration: authProvider.1 = org.apa ...