[apue] use Ctrl+S to stop the output without suspending the foreground process
Before that, we always knew to use Ctrl+Z to suspend the foreground process to prevent the process from running, and then we can switch the background process to the foreground through the job control (jobs / fg N) of the shell to continue running.
Recently, I learned a new method. For foreground processes with console output, you can use Ctrl+ ...
Posted by Kurrel on Sat, 25 Jan 2020 07:07:36 -0800
Server upgrade to centos8 site configuration - PHP and mysql upgrade from 5.6 to php7 and msyql8
linux centos8 installs php7 nginx1.4 mysql8, runs PHP website, configures each module from scratch
Choice between CentOS7 and centOS8
At present, the default centos system version of major cloud servers in China is still 7. Currently, there is no centos supporting system. The default of foreign cloud server manufacturers is 8, such as vultr.
P ...
Posted by matrixd on Fri, 24 Jan 2020 22:18:17 -0800
CentOS7 Nexus2 private server building
Brief description:
In the office environment, Nexus private server is required to provide caching service for development. This blog simply records the steps of building Nexus 2. X private server in the office environment
Nexus website: https://www.sonatype.com
To download the OSS 2. X package: https://download.sonatype.com/ ...
Posted by garblar on Wed, 22 Jan 2020 09:36:19 -0800
CentOS 7.6 builds nginx 1.16.1 and uses the upstream check module
Environmental description:
host name
Operating system version
ip
nginx version
httpd version
Remarks
nginx
Centos 7.6.1810
172.27.34.41
1.16.1
/
nginx server
web01
Centos 7.6.1810
172.27.34.161
/
2.4.6
web server
web02
Centos 7.6.1810
172.27.34.162
/
2.4.6
web server
web03
Centos 7.6.1810
172.27.34.163
/
2.4.6
web server
1, Brief ...
Posted by jungalist on Wed, 22 Jan 2020 07:36:22 -0800
Android system.img ext4 format
The image file of Android system.img is in the format of sparse ext4 image,
Space header format:
typedef struct sparse_header {
__le32 magic; /* 0xed26ff3a */
__le16 major_version; /* (0x1) - reject images with higher major versions */
__le16 minor_version; /* (0x0) - allow images with higer m ...
Posted by ukphoto on Wed, 22 Jan 2020 06:10:36 -0800
FIO performance test data drawing
A picture is worth a thousand words. This is especially true when testing performance. For the results of fio tests we often use, how can we quickly generate charts?
Ensure that the FIO command can record performance data
Refer to the following command:
fio -filename=/dev/nvme2n1 -thread -numjobs=1 -iodepth=64 --bs=4K -direct=1 --rw=write -ioe ...
Posted by egg82 on Tue, 21 Jan 2020 09:58:20 -0800
Operation and maintenance | Elastic Stack ELK installation and deployment
Preface
ELK is the abbreviation of three kinds of software, which are composed of Elasticsearch, Logstash and Kibana. In the process of development, there are new members, Beats, which form Elastic Stack. So, ELK is the old name, and Elastic Stack is the new name.
The entire Elastic Stack technology ...
Posted by deezerd on Tue, 21 Jan 2020 08:57:35 -0800
KVM Management Tool WebVirtMgr
WEB Management Tool WebVirtMgr
WebVirtMgr is a libvirt-based Web interface for managing virtual machines.It allows you to create and configure new domains and adjust the resource allocation for domains.The VNC viewer provides a complete graphical console for the guest domain.KVM is currently the only supported hypervisor for virtual machines.
...
Posted by tomato on Mon, 20 Jan 2020 19:45:51 -0800
4.5 billion data migration records follow-up-to-day data volume levels of 10 million to clickhouse
4.5 billion data migration records follow-up-to-day data volume levels of 10 million to clickhouse
Related Document Address
flume Reference Address
waterdrop Reference Address
clickhouse Reference Address
kafka Reference Address
The environment log is on one server and the clickhouse cluster is on the other.
thinking
Previously, when m ...
Posted by gszauer on Mon, 20 Jan 2020 18:52:36 -0800
How a case deploys a python project to a linux server
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1. Case Background
Write a script with Python and deploy it to a server in Linux environment. Since the server li ...
Posted by MadnessRed on Sun, 19 Jan 2020 18:37:50 -0800