Main goal to create simple cluster with one master node and two worker-nodes . All procedures we will do on 3 VPS with Ubuntu 20.04 Server installation. First step is to create separate user on all VPS, for the test environment let it be ‘kubuntu’. For orchestration we will use Ansible Lets create directory for… Читати далі »
First, add your user to group docker And restart Docker daemon If this not help, change acl for file access:
Post writed only as note for me. All information fount on docs https://docs.aws.amazon.com/cli/latest/reference/glacier/delete-archive.html and from github https://gist.github.com/veuncent/ac21ae8131f24d3971a621fac0d95be5 First step: create job for retrieve information in Vault
Install all downloaded deb’s Reboot server/PC by command reboot After startup check the kernel version^ Test Wireguard on server Add repository for ubuntu 18.04 Make some changes to Firewall on server Simple script for generating key pairs and base cofigs for server and client Or download here: Put wg0.server as /etc/wireguard/wg0.conf on Server side and… Читати далі »
Just add following lines to vhost.conf SSLEngine on SSLProtocol TLSv1.2 TLSv1.1 SSLProxyProtocol TLSv1.2 TLSv1.1 SSLHonorCipherOrder on SSLCipherSuite EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-GCM-SHA256:AES256+EDH:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA25
error: 2017-08-09 12:29:09,754 (conf-file-poller-0) [ERROR – org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run(PollingPropertiesFileConfigurationProvider.java:146)] Failed to start agent because dependencies were not found in classpath. Error follows. java.lang.NoClassDefFoundError: org/apache/hadoop/io/SequenceFile$CompressionType at org.apache.flume.sink.hdfs.HDFSEventSink.configure(HDFSEventSink.java:235) at org.apache.flume.conf.Configurables.configure(Configurables.java:41) at org.apache.flume.node.AbstractConfigurationProvider.loadSinks(AbstractConfigurationProvider.java:411) at org.apache.flume.node.AbstractConfigurationProvider.getConfiguration(AbstractConfigurationProvider.java:102) at org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run(PollingPropertiesFileConfigurationProvider.java:141) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.io.SequenceFile$CompressionType at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at… Читати далі »
Забавна программа якщо треба перенести якийсь текст на телефон, а під рукою нема ніяких штатних месенджерів echo “text_string” | qrencode -t UTF8 -o – █████████████████████████████ █████████████████████████████ ████ ▄▄▄▄▄ █▀▄█▀▄█ ▄▄▄▄▄ ████ ████ █ █ █▀▄█▀██ █ █ ████ ████ █▄▄▄█ █▀▀ ▄ █ █▄▄▄█ ████ ████▄▄▄▄▄▄▄█▄█ ▀ █▄▄▄▄▄▄▄████ ████ ▄▄▄ ▀▄▄ ██ ▄█▄▀ ▀▄▀████ █████▀▄▄▄█▄█▀█▀▄█▀▄▀█… Читати далі »
This is probably an issue with D-Bus and systemd. If the dbus service is restarted for some reason, you will also need to restart systemd-logind restart systemd-logind service: systemctl restart systemd-logind I had this same issue on CentOS 7, because the messagebus was restarted (which is how the D-Bus service is called on CentOS).
Scenario: KVM virtualization host running several bridged guests. The host has a bridge interface br0 that starts out containing only eth0, and other interfaces are dynamically added and removed from the bridge as guests are started and stopped. The problem is, the host seems to randomly suffer some loss of connectivity (from a few to… Читати далі »
After upgrade mysql-server from 5.6 to 5.7.10 something strange going on with multimaster replication. When you add more then one channel replication tool not see second channel and server hangs on first channel. This happens because mysql_upgrade tool have a bug. This bug create columns in table slave_master_info in wrong order.