After upgrading PIP to CentOS 6, which still uses Python2.7, PIP for each command crashes with an error. For example: Reason: PIP versions above 20.3 do not support Python2.7 Solution: Install latest supported version
When trying to upgrade "Jenkins" on CentOS 7, the following error may occur: Public key for jenkins-2.289.3-1.1.noarch.rpm is not installed To fix it, just import the repository key:
Similar error: /etc/resolvconf/update.d/libc: Warning: /etc/resolv.conf is not a symbolic link to /run/resolvconf/resolv.conf It may indicate that the symbolic link "/etc/resolv.conf" is missing, in order to fix this, you can create it manually: Alternatively, run a "resolvconf" reconfiguration using the following command:
When creating an RDS by specifying an incorrect value for the "ParameterGroupFamily" parameter, a similar error may occur: Error creating DB Parameter Group: InvalidParameterValue: ParameterGroupFamily default.mariadb10.2 is not a valid parameter group family To see a list of all possible values for the "ParameterGroupFamily" parameter, you can use the following command:
After installing CloudWatch Agent in the EKS cluster, its pods stuck in the "Pending" state Watching the describe pod Solution: The solution was found here. In this EKS cluster, a separate NodeGroup is allocated for the system pods with the instance type: t3.micro, and there is simply not enough capacity to launch the …
Continue reading "FIX ERROR – EKS: cloudwatch – 0/1 nodes are available: 1 Insufficient pods."
When trying to create a partition with the "fdisk" utility, 2 or more TB in size, the following message appears: The size of this disk is 2 TiB (2199023255552 bytes). DOS partition table format cannot be used on drives for volumes larger than 2199023255040 bytes for 512-byte sectors. Use GUID partition table format (GPT). …
Continue reading "FIX ERROR – fdisk: DOS partition table format cannot be used on drives for volumes larger than 2199023255040 bytes for 512-byte sectors"
After we installed Docker on the Jenkins server and started it, when we try to build, we get the following error: Solution: Add the user "jenkins" to the "docker" group: After that, the user "jenkins" will be able to work with Docker if he connects via SSH, but with Jenkins job there will …
Continue reading "FIX ERROR – Jenkins: dial unix /var/run/docker.sock: connect: permission denied"
When trying to execute the Lambda Python function, the following error occurs: { "errorMessage": "main() takes 0 positional arguments but 2 were given", "errorType": "TypeError", "stackTrace": [ " File \"/var/runtime/bootstrap.py\", line 131, in handle_event_request\n response = request_handler(event, lambda_context)\n" ] } Solution: From the message, we see that we use the "main" function as a …
Continue reading "FIX ERROR – AWS Lambda Python: "main() takes 0 positional arguments but 2 were given""
When running Nginx as a reverse proxy to Jenkins on CentOS, a 502 error may occur. Nginx error log will be as follows: 2020/05/07 13:32:33 [crit] 9665#9665: *1 connect() to 127.0.0.1:8080 failed (13: Permission denied) while connecting to upstream, client: 1.2.3.4, server: jenkins.artem.services, request: "GET / HTTP/1.1", upstream: "http://127.0.0.1:8080/", host: "jenkins.artem.services" Solution: Reason SELinux. …
Continue reading "FIX ERROR – CentOS+Nginx+Jenkins: 502 Bad Gateway"
When trying to execute any "kubectl" command on an EKS cluster, the following error occurs: Invalid choice: 'eks', maybe you meant: A possible reason for this is the old version of "kubectl" available in the repository. Solution: Install the latest version of "kubectl" using PIP3 To use "kubectl" installed using PIP, you …
Continue reading "FIX ERROR – CentOS 7 kubectl: Invalid choice: 'eks', maybe you meant"