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Centos7 upgrade kernel

Centos7 upgrade kernel

Application background: I have recently contacted docker, which requires a higher kernel version. Even the default kernel version of centos7.x currently in use is 3.10.0-xxx, which just meets its minimum requirements.
Linux 2021-04-21 0 likes 0 comments 4309 views
CentOS7 firewalld commonly used commands

CentOS7 firewalld commonly used commands

Startup, shutdown, view status, start-up enable, start-up disable, rest assured port, load configuration and other common operations, it is recommended to bookmark
Linux 2021-07-31 0 likes 0 comments 4590 views
CentOS 7 install and use FFmpeg

CentOS 7 install and use FFmpeg

FFmpeg 是一个免费的开源工具集，用于处理多媒体文件。它包含一组共享的音频和视频库，例如 libavcodec、libavformat 和 libavutil。使用 FFmpeg，您可以在各种视频和音频格式之间进行转换、设置采样率、捕获流音频/视频以及调整视频大小
Linux 2021-08-03 0 likes 0 comments 6308 views
CentOS7 Docker CE online installation

CentOS7 Docker CE online installation

Docker CE supports the 64-bit version of CentOS 7, and requires the kernel version to be at least 3.10. CentOS 7 meets the minimum kernel requirements, but due to the relatively low kernel version, some functions (such as overlay2 storage layer driver) cannot be used, and some functions may not be stable
Docker 2021-08-11 0 likes 0 comments 5030 views
CentOS7 install update security patch

CentOS7 install update security patch

System administrators usually only care about the security update part of the system when upgrading the system, and the upgrade of pure software version does not need to be rooted, because upgrading them may cause unpredictable problems. We only install the security update part of the system update.
Linux 2021-09-12 0 likes 0 comments 5802 views
CentOS7 FFmpeg complete installation

CentOS7 FFmpeg complete installation

FFmpeg is a set of open source computer programs that can be used to record, convert digital audio and video, and convert them into streams. Use LGPL or GPL license. It provides a complete solution for recording, converting, and streaming audio and video. It contains a very advanced audio/video codec library libavcodec, in order to ensure high portability and codec quality
PHP 2021-10-06 607 likes 2 comments 7092 views
CentOS 7 Error Package openssl conflict

CentOS 7 Error Package openssl conflict

Error: Package: 1:openssl-1.0.2k-22.el7_9.x86_64 Requires: openssl-libs(x86-64) = 1:1.0.2k-22.el7_9 Installed: 1:openssl-libs-1.0.2k-24 .el7_9.x86_64 (@updates)
Linux 2022-02-10 1 likes 0 comments 7436 views
Linux system DNS error resolution

Linux system DNS error resolution

CentOS, Euleros series operating systems: ping the public network domain name fails, prompting Name or service not known, but you can ping the elastic public network IP, CURL is the same
Linux 2022-11-23 0 likes 0 comments 4905 views