centos tag

CentOS (/ˈsɛntɒs/, from Community Enterprise Operating System; also known as CentOS Linux) is a Linux distribution that provides a free and open-source community-supported computing platform, functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL). In January 2014, CentOS announced the official joining with Red Hat while staying independent from RHEL, under a new CentOS governing board.

The first CentOS release in May 2004, numbered as CentOS version 2, was forked from RHEL version 2.1AS. Since version 8, CentOS officially supports the x86-64, ARM64, and POWER8 architectures, and releases up to version 6 also supported the IA-32 architecture. As of December 2015, AltArch releases of CentOS 7 are available for the IA-32 architecture, Power ISA, and for the ARMv7hl and AArch64 variants of the ARM architecture. CentOS 8 was released on 24 September 2019.

In December 2020, Red Hat unilaterally terminated CentOS development. In response, CentOS founder Gregory Kurtzer created the Rocky Linux project as a successor to the original mission of CentOS. In March 2021, Cloud Linux (makers of CloudLinux OS) released a new RHEL derivative called AlmaLinux.

While the distribution was discontinued at the end of 2021, development of CentOS Stream, its midstream variant, continues.

Reference: WIKIPEDIA

126 questions


1 answers
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Please tell me how to view meminfo.

I want to calculate the memory utilization on the server, so I'm looking at the meminfo value.What is MemAvailable?Can I look at it as a total of available (released) memory?

2 years ago

1 answers
89 views
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To Connect to a Host That Automatically Performs an Interactive Install When Connected by Ansible

From Ansible to a host that automatically performs an interactive installation upon connectionHow do I connect successfully?If you try to connect, you will see the interaction script output successful...

2 years ago

1 answers
68 views
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"QXcbConnection: Could not connect to display:1" when running xvfb CuteCapt from PHP

Thank you for your help.I'm a new server user who recently started using Linux.Capturing web pages (specifying URLs, rendering, and saving images) is a trial and error process.You can even install Cut...

2 years ago

1 answers
73 views
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I want to run PHP in Apache, but the source code still appears.

I am trying to run the PHP web application with apache on the CentOS 7 server.Currently, the PHP is not running in apache, so when I access the target path, the PHP is not running and The source code ...

2 years ago

1 answers
138 views
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Regarding the case where EAGAIN occurs during read(recv) execution in Socket Communication (TCP/Blocking I/O)

In Socket Communication (TCP/Blocking I/O), when reading is performed with code similar to the following,

2 years ago

1 answers
106 views
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"JAVA_HOME environment variable is not defined correctly" when running Maven in CentOS 7.

Run EnvironmentCentOS 7.4 Procedure to install Apache Maven 3.5 in CentOS 7I installed Maven by referring to the above site, but the following error occurred and I could not execute the command.The JA...

2 years ago

2 answers
58 views
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The file cannot be erased

environmentWindows 10vagrantvirtualboxcent-oscyberdugputtyeventsThe emacs compressed file: emacs-26.1.tar.xz was installed in the virtual development environment.However, I realized that this wasn't w...

2 years ago

1 answers
114 views
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Unable to configure public_network in Vagrant

When you create a virtual machine with vagrant on a KVM server, you cannot change the network settings.The desired environment is to access guests created with vagrant from an external server.I would ...

2 years ago

1 answers
79 views
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Create a Python 3.7.2 Development Environment in CentOS 6.0 (no administrator privileges)

Thank you for your help.I'm a fledgling engineer who got a job as an engineer this year.We have decided to create a Python 3.7.2 development environment on CentOS 6.0, but we do not have administrativ...

2 years ago

1 answers
77 views
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To split php_error_log in cronolog

I am having trouble dividing php_error_log using cronolog.By writing httpd.conf as shown below, ErrorLog and CustomLog have been successfully split by cronolog-rw-r --r--1 root root 370592 January 26 ...

2 years ago
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