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systemctl start kubelet failed, journalctl -xeu kubelet show the fail message: Failed to run kubelet" err="failed to run Kubelet: misconfiguration: kubelet cgroup> The whole …

Ah, just give up setting vncs on linux mint cinnamon. I tried vnc on linux mint for several nights and finally failed. I finally tried remote desktop application, by the followed…

I tried to login vnc of centos9, the server was started by  vncserver I got "Oh no! Something has gone wrong." I found "vncserver has been replaced by a systemd unit and i…

Discourse® packaged by Bitnami What is Discourse®? Discourse is an open source discussion platform with built-in moderation and governance systems that let discussion …

Discourse® packaged by Bitnami from: https://hub.docker.com/r/bitnami/discourse/ What is Discourse®? Discourse is an open source discussion platform with built-in mod…

Replace mirror.centos.org to vault.centos.org with followed commands: sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-Linux-* sed -i 's|#baseurl=http://mirror.centos…

1. install wireguard dnf install epel-release elrepo-releasednf install wireguard-tools kmod-wireguard generate key pair wg genkey | sudo tee privatekey | wg pubkey | sudo tee …

nginx met error log of  "open() "/var/lib/nginx/tmp/proxy/9/05/0000000059" failed (13: Permission denied) while reading upstream", change the proxy_temp_path solved.  O…

1. wget failed cause of unstable connection to: https://www.sqlite.org/2021/sqlite-amalgamation-3350500.zip  Resolved: edit ./.buildozer/android/platform/python-for-android/…

strings get substring SET s=abcdefghijklmnopqrstECHO %s:~3,1%REM # %<var_name>:~<start_index>,<length>%REM # what if with variable index and length?REM # copie…