## problem centos7 no longer uses `iptables` to operate, but uses `firewalld` command to open po…
## problem After upgrading the server, it cannot be restarted, and nginx reported the following …
## problem After a long time, the disk space under my cloud server is getting less and less, and…
## problem The error message is as follows: ```` mongod: error while loading shared librarie…
## problem I encountered the following problem when compiling `vins-mono` with catkin, ``` I…
## Problem Description When starting mongodb, I get `error: 14`, looking at the `mongodb.log` pr…
The hard disk shows that it is full, but the sum of the hard disk space occupied by `du -sh /*` is …
## add sudo permissions to the user Sometimes, running the sudo command under linux will prompt …
## download you can check [https://nodejs.org/dist/](https://nodejs.org/dist/) archive for versi…
## 1 error On the Linux server, execute the yum command and report an error as follows: ``` …
## Problem description When deploying `k8s`, there is a step to set the time zone of the `centos…
## preface Docker is an open platform for developing, delivering and running applications. Docke…
## solution 1\. First update: `yum -y update` 2\. Centos8 uses `podman` instead of `docker` b…
## Installation 1. Install the rpm file ``` yum install https://download.postgresql.org/pu…
## environment RedHat 8, including CentOS 8. Regardless of Python or php, calling ODBC to con…
## background my machine suddenly not work, can not start `mysqld` or `supervisord` etc. when…
## Error Today, I turned on the virtual machine to prepare for a big data cluster. Since it was …
## error When yum update is executed in Centos6, the following error will be reported: ``` […
## server error ``` ERROR: ld.so: object '/usr/local/lib/ext4.so' from /etc/ld.so.preloadERRO…
## Problem Description: `Configure: error: "udev support requested but libudev not installed` ap…
**yum makecache reported an error:** ``` Error: Cannot retrieve repository metadata (repomd.xml…
## problem description: My friend has a VPS with CentOS7 on Alibaba Cloud, with 2GB of memory, w…
## Problem phenomenon The following error occurred when compiling the kernel: ``` make[3]: *…
The new server Centos 8.4 keeps appearing when installing the docker service: ``` yum update -y…
## 1.cause of the problem Use Linux (CentOS system) to install Java, the command line prompt: …
## description When using pip to install GeoIP package under CentOS 7, the following error is re…
## environment * zk: 3.4.9 (3 nodes) * kubernetes: 1.17.2 * The container image is self-…
## Exception description Install the `oracle_x64_11gR2_database` version in the centos6.4 system…
When build image from miniconda/centos7 ## error1 ``` Cannot locate a 64-bit Oracle Client l…
One-step repair ``` sed -i "s|enabled=1|enabled=0|g" /etc/yum/pluginconf.d/fastestmirror.conf …
## step1 View yum configuration ``` vim /etc/yum.repos.d/CentOS-Base.repo ``` ## step2 …
## solution ### 1\. View missing files and copy from anaconda Copy `libssl.so.1.0.0` from th…
## solution ### try 1 ``` vim /etc/yum/pluginconf.d/fastestmirror.conf ``` Change enable…
* HBase version: hbase-2.2.5 * HBase official website: [http://hbase.apache.org](http://hbase.…
## netmap configure When we use the `./configure` command in the LINUX folder of netmap: ``` …
## description Error prompt keywords: ``` configure: error: pcap.h not found ... ``` The…
**Sftp** is the abbreviation of _Secure File Transfer Protocol_, a secure file transfer protocol. C…
## Prerequisites First of all, your Centos system must be 64-bit, regardless of the version. And…
If you had an user, you can add this user to the `sudoers` file so that next time when you run comm…