[FIPS] ssh to RHEL6 server fails with message “ssh_dispatch_run_fatal: Connection to XXX port 22: invalid argument”
by Danila Vershinin, August 4, 2021
How to fix on a rocky linux 8 system with fips enabled, connecting to a rhel6 system fails, `ssh-v` displays the following message ~~~ […] debug1: ssh2_msg_kex_dh_gex_request(2048 <8192 <8192) sent debug1: got ssh2_msg_kex_dh_gex_group ssh_dispatch_run_fatal: connection to xxx port 22: invalid argument ~~~
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by Danila Vershinin, August 3, 2021
How to fix was quagga removed from rocky linux 8 repos? how can we implement ospf in rocky linux 8?
Read More...How to create Rocky Linux 8 image which supports UEFI and legacy bios mode both.
by Danila Vershinin, August 2, 2021
How to fix how to create an rocky linux 8 image which supports both uefi and legacy bios mode.- i created an rocky linux 8 image in legacy bios mode hypervisor and i want it to be used in uefi mode hypervisor without modification.
Read More...How do I limit the usage of podman on Rocky Linux 8 to specific users / groups?
by Danila Vershinin, July 26, 2021
How to limit the users/groups who are able to use podman.
Read More...Choosing your RHEL 8 clone after the death of CentOS
by Danila Vershinin, July 24, 2021
As CentOS is no longer an RHEL clone, companies seek another free clone of RHEL. What will it be? AlmaLinux, Rocky Linux, or Oracle Linux? We review these choices and give a recommendation.
Read More...NGINX: putting multiple services on the same port
by Danila Vershinin, June 21, 2021
Recent versions of NGINX introduce the TLS pre-read capabilities, which allow it to see which TLS protocols are supported by the client, the requested SNI server name, and the ALPN protocol of request. All this information, known before the request is routed by NGINX to the upstream servers, makes it possible to conditionally route requests […]
Read More...CentOS/RHEL: where is my PATH?
by Danila Vershinin, May 31, 2021
How to consistently set user’s PATH environment variable on CentOS/RHEL servers, while avoiding PATH duplication
Read More...Performance-friendly WordPress updates
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DIY Automatic updates won’t kill your cache while providing convenience of latest WordPress core and its plugins
Read More...CentOS/RHEL: Faster PHP CLI and Cron Jobs
by Danila Vershinin, May 27, 2021
How to consistently set up PHP CLI and cron runs while making benefit from file-based OPcache and no memory limit
Read More...Whitelist IP addresses for Magento 2 admin protection
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Protect Magento 2 admin area using NGINX IP address whitelisting approach. Secure your Magento 2 administration
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