• microk8s kubernetes how to install OpenEBS


    This is the official guide here from OpenEBS. Step 1.) Make sure you have the right version. As of this time 2025-04, we need Kubernetes/Microk8s version 1.23 or higher (note this will continue to increment higher). Usually a good sign of having the wrong/old version is that you will encounter namespace and other errors: error: unknown flag: --namespace........
  • Docker Swarm vs Kubernetes Comparison Guide


    A lot of companies are unsure which solution to choose and many may not be aware of Docker Swarm as an alternative to Kubernetes. One thing that many Sysadmins find is that Docker Swarm is simply easier, quicker to setup and maintain by far than Kubernetes.........
  • Linux how to get list of all timezones on system Ubuntu


    find /usr/share/zoneinfo/|sed s#"/usr/share/zoneinfo/"##g|grep "/"|grep -v posix|grep -v ^"Etc/"|grep -v ^right|grep -v ^"SystemV" Africa/Addis_Ababa Africa/Abidjan Africa/Blantyre Africa/Lusaka Africa/Casablanca Africa/Libreville Africa/Asmara Africa/Bujumbura Africa/Dakar Africa/Lagos Africa/Malabo Africa/Harare Africa/Kigali........
  • How to install Kubernetes with microk8s and deploy apps on Debian/Mint/Ubuntu Linux


    Kubernetes Easy Beginners Tutorial/Architecture Guide Kubernetes is known as container orchestration and we should start at explaining the container part of it. A Container is what runs the actual application and based on an Image, and are more comparable to something like an LXC Container, Virtuozzo/OpenVZ using the Linux Kernel Namespaces feature. Containers run these images as independent, isolated operating environments under the O........
  • CentOS 7 8 yum error Trying other mirror. To address this issue please refer to the below wiki article


    The below appears at first to be a bad mirror DNS error, but if you've ruled that out you just need to clear your broken yum cache and things will be good. yum update Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: centos.01link.hk * extras: centos.01link.hk * updates: centos.01link.hk http://mirror.worria.com/centos/7.8.2003/os/x86_64/repodata/repomd.xml: [Errno 14] HTTP Error 404 - Not........
  • http://vault.centos.org/5.9/os/i386/repodata/filelists.xml.gz: [Errno -1] Metadata file does not match checksum solution


    http://vault.centos.org/5.9/os/i386/repodata/filelists.xml.gz: [Errno -1] Metadata file does not match checksum yum clean all yum makecache yum update........
  • Centos 7 - How To Install NFS and Mount Remotely


    Server Side Config 1.) First install nfs-utils yum -y install nfs-utils 2.) Configure nfs share Create a directory for your NFS share mkdir /datastore Create your NFS share in /etc/exports echo "/datastore 10.220.101.0/24(rw,sync,no_root_squash)" >> /etc/exports systemctl restart nfs........
  • ffmpeg Linux Mint download, compile and install howto


    #if you have nvidia make sure you install the nvidia-cuda-toolkit so hardware acceleration can be used wget http://ffmpeg.org/releases/ffmpeg-3.3.2.tar.bz2 tar -jxvf ffmpeg-3.3.2.tar.bz2 cd ffmpeg-3.3.2/ ./configure --disable-yasm install prefix /usr/local source path ........
  • PYCURL ERROR 22 - The requested URL returned error: 404 Not Found Solution


    # yum -y install qemu-kvm Loaded plugins: fastestmirror Setting up Install Process Loading mirror speeds from cached hostfile * base: mirror.lzu.edu.cn * elrepo: ftp.utexas.edu * epel: ftp.jaist.ac.jp * extras: mirrors.aliyun.com * openvz-kernel-rhel6: mirror.fdcservers.net * openvz-utils: mirror.fdcservers.net * updates: mirrors.nwsuaf.edu.cn Resolving Dependencies........
  • openvz yum problem Centos 6.5 cannot find file on mirror:


    #solution Edit /etc/yum.repos.d/openvz.repo For the first two entries comment out #mirrorlist and uncomment #baseurl and then it worked openvz yum problem Centos 6.5 cannot find file on mirror: yum update Loaded plugins: fastestmirror Determining fastest mirrors * openvz-kernel-rhel6: mirrors.ustc.edu.cn * openvz-utils: mirrors.ustc.edu.cn base ........
  • Openvz YUM Error Solution to "[Errno -1] Metadata file does not match checksum Trying other mirror."


    It's weird because I have a nearly identical box and setup and I can update the ovzkernel-PAE* just fine but on this box it doesn't work. I only get this error with the openvz.repo and not others such as Centos-Base.repo With my other server it works normally: ================ Setting up Update Process Resolving Dependencies --> Running transaction check ---> Package ovzkernel-PAE.i686 0:2.6.18-238.12.1.el5.0........
  • Installing Webmin & Enabling SSL


    Webmin Setup Centos 5: wget http://downloads.sourceforge.net/project/webadmin/webmin/1.530/webmin-1.530-1.noarch.rpm?r=http%3A%2F%2Fwww.webmin.com%2Fstandard.html&ts=1294339690&use_mirror=surfnet [1] 24229 [2] 24230 [root@host ~]# --2011-01-06 21:48:20-- http://downloads.sourceforge.net/project/webadmin/webmin/1.530/webmin-1.530-1.noarch.rpm?r=http%3A%2F%2Fwww.webmin.com%2Fstandard.html Resolving downloads.sourceforge.net... 216.34.181.........
  • http://apt.sw.be/redhat/el5/en/i386/test/repodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found Trying other mirror.


    http://apt.sw.be/redhat/el5/en/i386/test/repodata/repomd.xml: [Errno 14] HTTP Error 404: Not Found Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: rpmforge-testing. Please verify its path and try again Notice it is complaining about "rpmforge-testing", just disable it for now: Solution is to edit the repo: vi /etc/yum.repos.d/rpmforge-testing.repo........
  • PHP cannot access /usr/bin/openssl


    PHP cannot access /usr/bin/opensslI have verified the username that runs the process is able to access /usr/bin/openssl and it does exist but the PHP script is saying it doesn't exist: [code:1:1fd0f3abbe] if (!file_exists($OPENSSL)) { //echo "ERROR: OPENSSL $OPENSSL not foundn"; }[/code:1:1fd0f3abbe] I don't get itI can clearly see the contents of /usr/bin by using the PHP system fu........
  • iPhone/iPod touch on 3.0 software overheating?


    There have been lots of reports like this going around and Ican confirm my 3GS with 3.0 firmware is overheating as well. It gets quite hot and actually can make your head or hand sweaty when holding it to talk, or simply holding the back cover for any reason. It's a wonder how the device cools itself at all, considering the only thing that could ventilate air are the 2 speakers at the bottom or the single speaker on the front of the device. Apple seems to be making........
  • Latest Articles

  • 'virtio0' uses a qcow2 feature which is not supported by this qemu version: QCOW version 3
  • Linux bash script to get the IP of a list of hostnames
  • How To Use Camera Webcam in Docker for OBS Studio etc...
  • Computer Server Won't Post Boot Or Enter BIOS Setup After Installing RAID SAS or GPU Card etc..
  • How To Test PHP Scripts from CLI with GET variables/query string
  • apt-cache how to see all available versions of a package in Debian Ubuntu Mint
  • Virtualbox VBox Guest-utils drag and drop files stops working with Windows VMs
  • How To Remove Ubuntu Netplan and Go Back to /etc/network/interfaces
  • How To Force Flash an AMD Instinct GPU To Another Model Using Debian Ubuntu Mint Linux
  • How To compile ollama from source to use unsupported AMD GPU with rocm in Ubuntu Debian
  • QEMU KVM Virtio GPU Windows Cannot Select 1080P
  • Linux Gnome Desktop Ubuntu Mint Debian Gets Slower After Weeks
  • Firefox How to Save Full Page As Screenshot/PDF
  • Nvidia Datacenter Driver Tesla Slow nvidia-smi response and high utilization with 0 usage
  • ffmpeg how to normalize / increase the volume of your audio
  • kdenlive audio blips pops cracks artifacts solution fix
  • haproxy / nginx certbot SSL issues
  • nginx how to see the real IP when behind a CDN
  • Docker how to find real container child process ID
  • Alibaba Aliyun how to reset password solution 'Setup does not meet the requirements, please resetting'