A lot of web applications require being called over https, which is a good thing. It's possible to configure...
The terraform documentation states the...
...syntax as (grouping mode*. See: Grouping-Results). But this seems not the be the whole...
When a nginx reverse proxy complains about upstreams sending too big headers, tweaking the buffers responsibly can help to prevent...
If you want to check the configuration of a running JVM process you can use jcmd. List the running processes...
If you have for e.g. a Java application which outputs multiline stack traces inside a container running in kubernetes you...
To delete a specific redis-DB you need to use the FLUSHDB-command in combination with the SELECT-command. For...
You can execute systemctl --user --failed to check for failed systemd user units. But let's face it: It's...
To measure the time of your HTTP request with curl, you can use the -w (--write-out) option:
When changing glibc versions, it's possible to end up with corrupt indexes in PostgreSQL. Are My Indexes Affected?
When changing the glibc version, it's possible that the upgrade also includes changes to how locales work.
The link contains a simple shell script to push a cleanup policy for gitlab repositories in a group.
The Oracle mysql client has an odd behavior if your server uses latin1 as default character-set-server. Command
When configuring prometheus scrape_configs, you may use relabel_configs to filter your metrics or change some fields. Your config...
Nginx is capable of forwarding a unix socket to UDP backend servers. This is quite handy for load balance syslog...
When using many or very long entries of MIME-types that shoudl be gziped in gzip_types directives in nginx...
If you use third party APT sources you might end up with unmaintained packages after removing the external source or...
If your postgres database is only accessible from inside a kubernetes cluster, e.g. if it's configured in AWS RDS...
There's a simple way in bolt to run commands from a file without caring about BASH escaping: # /home/user/foo.sh
In our monitoring, RabbitMQ queues like aliveness-test may show up as unresponsive, with a ping timeout after 10 seconds...
Instead of using Puppet exported resources you can use the puppetdb_query feature. This can result in more complex code...
How can I configure virtual IP's? There are two parameter to set up virtual ips in Keepalived: virtual_ipaddress...
If you get an error message like this: You have already activated some-gem 1.2.3, but your Gemfile requires some...
If you're using many terraform root modules in a repository, downloading common providers like the AWS one can quickly...
If you want to expand your Areca Raid by swapping out the disks for larger ones you will need to...