Question An error occurred while installing openssl (2.2.2), and Bundler cannot continue. How do I solve this error on MacOS? I have upgraded MacOS, Xcode, Xcode command line tools, Homebrew and the Homebrew formula for openssl. Now when I run…

Question After a new deployment, some pods are “Pending” and cannot be scheduled by Kubernetes on any node, due to resources shortage. How do I find out which pods are requesting a lot of CPU? Answer You can easily see…

Question Sidekiq workers consume a lot of memory: how can I fix that? I have a Rails application that can usually run with about 1 GB of RAM. However there are some Sidekiq workers that constantly grow over time –…

Question What do you see if a pod is killed because memory on the node is insufficient? I read that Kubernetes will kill some pods if the memory on a node is not enough for all the workloads. What will…

Question git svn error “Can’t locate SVN in @INC” on MacOS git svn has stopped working after the upgrade to MacOS Monterey. When I run a Subversion command using Git (e.g. git svn rebase) I get this error: What should I do?…

Question Cannot connect with ssh to a server: connection timed out I have always used ssh to connect to a server, then, suddenly, I can no longer connect to it. Note that this is happening only on a specific server, while I…

Question In a web app, how can I display the user profile picture automatically? I see that on some websites, after the sign-up, you get your profile picture automatically. You don’t need to upload it. It can be a personal…

Question How can I view a certificate with OpenSSL? I would like to see the content of a certificate in PEM format. In particular I would like to see details like Issuer, Common name, Date, etc. Can I do that…

Question How can I see a certificate expiration with OpenSSL? I have an SSL/TLS certificate and I would like to see when it expires. Is there any way to see the expiration from command line (e.g. OpenSSL)? Answer You can…

Question How can I see the normal WordPress dashboard for themes and plugins on SiteGround? I have created a new WordPress site on SiteGround. Now when I go to Themes and Plugins in the admin dashboard I see a strange…

Question How can I enable auto-updates for WordPress and for all plugins and themes? I see that from the WordPress dashboard you can enable auto-updates for a specific plugin or theme. However, how do I force auto-updates for all installed plugins and…

Question How do I generate pretty URLs in Ruby on Rails? For example, I have a URL like this for a post: How can I get pretty URLs (SEO URLs) for all posts? Answer In a Ruby on Rails application…