Ganglia of Flume monitoring

About Ganglia Ganglia is an open source cluster monitoring visualization tool initiated by UC Berkeley, which is designed to measure thousands of nodes. Ganglia's core includes gmond, gmetad and a Web front end. It is mainly used to monitor the system performance, such as: cpu, mem, hard disk utilizat ...

Posted by mackevin on Wed, 19 Feb 2020 23:19:50 -0800

Centos 7 Builds Zimbra Mail Server and foxmail Configuration

Reference resources: https://blog.csdn.net/linuxnews/article/details/51106905 Environment Configuration: Local ip:192.168.1.41 Set Host Name hostnamectl set-hostname mail.jlkj.com Add hosts echo "192.168.1.41 mail.jlkj.com" >> /etc/hosts Turn off the firewall: sed -i 's/SELINUX=enforcing/SELINUX=disabled/ ...

Posted by dv6cougar on Mon, 10 Feb 2020 08:21:33 -0800

RHCE exam summary (continuously updated)

Environmental preparation 1. Configure YUM software warehouse server and desktop machine do the same operation!!!!   # // server: $ vim /etc/yum.repos.d/base.repo [rhce] name = EX300 gpgcheck = 0 baseurl = http://classroom.example.com/content/rhel7.0/x86_64/dvd/ ### Clear the previous software warehouse cache $ yum clean ...

Posted by iamyespee on Sun, 09 Feb 2020 03:55:34 -0800

Source code analysis of Binder native layer: sm's receiving and processing of data

We start with the main function of servicemanager main and binder & loop //\frameworks\native\cmds\servicemanager\service_manager.c int main() { struct binder_state *bs; bs = binder_open(128*1024); if (!bs) { ALOGE("failed to open binder driver\n"); return -1; } ...

Posted by x_maras on Sun, 02 Feb 2020 09:46:08 -0800

Deploy docker private warehouse Harbor

1, Environmental description Operating system: CentOS 7.5 Software version: harbor 1.5.0 2, Software installation 1. Preparation before installation # systemctl disable firewalld.service # systemctl stop firewalld.service # sed -i 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config # setenforce 0 # hostnamectl --st ...

Posted by moonie on Fri, 31 Jan 2020 04:34:23 -0800

Permission management under Linux

Permission management under Linux Permission management under Linux 1. How to view and read permission information [1]ls ls -l file Enter the specified directory ls -d dir View catalog itself ls -a dir All files contain hidden ls -S dir View and sort by size ls -s dir View file size T ...

Posted by rwcurry on Sat, 11 Jan 2020 23:27:14 -0800

Docker installs the latest version of Mysql (Mysql8.0)

Docker installs the latest version of Mysql (Mysql8.0) Docker environment configuration Mysql8.0 configuration Note: Note 1 Note 2 Last Congratulations, docker MySQL has been built successfully! If you think the writing is good, please click below to give a reward, thank you!! Original: product R ...

Posted by HiddenS3crets on Sat, 11 Jan 2020 00:27:57 -0800

[e220200101-1] Centos 7.x turns off firewall and SELinux

1, Preparations 1.1 server preparation Operating system: centos 7.x 1.2. Install the text editing tool nano # yum -y install nano 2, Turn off SELinux 2.1. View SELinux status 2.1.1. First method: view SELinux status # /usr/sbin/sestatus SELinux status:                 enabled SELinuxfs mount:                /sys/fs/selinux SELinux root director ...

Posted by rostros on Mon, 06 Jan 2020 01:12:22 -0800

Setting up a docker environment under CentOS7.4

Docker uses timeline as version number after version 1.13, which is divided into community version CE and enterprise version EE. The community version is free for individual developers and small groups. The enterprise version will provide additional charging services, such as infrastructure, containers, plug-ins, etc. that ...

Posted by DimeDropper on Wed, 01 Jan 2020 01:48:09 -0800

002. NFS architecture of kickstart deployment

One preparation 1.1 complete architecture: Kickstart+DHCP+NFS+TFTP+PXE 1.2 component application Kickstart server IP: 172.24.8.12 DHCP: provide client IP, gateway, image path, etc; TFTP: sharing pxelinux.0, initrd.img, vmlinux, isolinux.cfg, boot.msg, vesemanu.c32, splash.png files NFS: share ks.cfg and all CD files Note: this ks.cfg file and a ...

Posted by jackson4me90 on Mon, 09 Dec 2019 06:58:04 -0800