There is an issue with when restoring a PostgreSQL dump created with pg_dump < v11 with pg_restore > v10:
collectd5 in version 5.9.0 is broken and you upgraded it everywhere. But because it's FreeBSD it does not...
If you get e.g. this error message when you try to run puppet agent: Error: Failed to apply catalog: undefined...
This is not encouraged because this change is easily forgotten. We recommend using this only if you know what you...
If a systemd service unit is blocked by rate limiting (see in documentation) you can reset the failcounter via:
In case you're wondering, when concat-ing server certificate and intermediate certificates, the server certificate comes first.
If you have a PostgreSQL dump in the custom format you can can view the text format dump (plain SQL...
There are two ways within systemd to manage the fact that you need the gluster service active before mounting the...
If freshclam updates are failing even though the update servers are available and you find error messages like the following...
This should not be necessary in any case and is only for special cases, for e.g. if the assets...
You can use wscat: sudo apt-get install node-ws # wscat -c ws://echo.websocket.org connected (press CTRL+C to quit...
If a users password for https://monitor.makandra.de/ is unknown one can set it like this: sudo python /opt/graphite/webapp/graphite/manage.py changepassword ${USERNAME...
This card is just about creating simple PostgreSQL dumps. This is no instruction for a backup strategy nor a guide...
Hint This applies only to distributions based on Debian. Requirement You need to setup the PostgreSQL Apt Repository first.
If you're trying to start a cloud-init based Ubuntu VM with KVM you will suffer long boot times...
Hint You're not able to control which redis replica will chosen for the failover. Connect to your sentinel instance...
Because systemd is the greatest thing ever it's not enough to stop the libvirt service. You need to disable...
When receiving a new SSL-Certificate for an existing SSL-key it should be checked that they match cryptographically.
You will need to look here and find your own device. Look for the "bootable CD" download, which will give...
To see all jails: fail2ban status Our $JAIL is usually ssh. To see which IPs are banned currently: fail2ban-client...
Don't use exec without user parameter If you use exec without user parameter, the command will get executed as...
Create htpasswd entry and print to stdout: $ sudo apt install apache2-utils # Optional $ htpasswd -n $USERNAME New password: