When receiving a new SSL-Certificate for an existing SSL-key it should be checked that they match cryptographically. Maybe the customer accidentally created a new key and certificate and...
...sent us just the certificate. It's also possible that the certificate chain is in the wrong order. Make sure that the server certificate is the first. This is also...
This card is just about creating simple PostgreSQL dumps. This is no instruction for a backup strategy nor a guide for SQL dump performance optimization. Read before starting
...assume that all commands will be executed as local postgres user on a database server master. Please mind that you should stop the replication on a slave PostgreSQL server before...
...you upgraded it everywhere. But because it's FreeBSD it does not restart running services. After every old version is removed from /var/cache/pkg you restarted collectd and it does not...
...start anymore, you really want to downgrade to 5.8.1 again. But even pkg now has 5.9.0 and you need your own make config setup anyway. portdowngrade Enter portdowngrade. Install it...
...when you try to run puppet agent: Error: Failed to apply catalog: undefined method `strip' for nil:NilClass you could have a very bad time debugging it. Because there will...
Info: Applying configuration version '1558534846' Error: Failed to apply catalog: undefined method `strip' for nil:NilClass /usr/local/lib/ruby/site_ruby/2.4/puppet/provider/mailalias/aliases.rb:28:in `process' /usr/local/lib/ruby/site_ruby/2.4/puppet/util/fileparsing.rb:152:in `handle_record_line' /usr/local/lib/ruby/site_ruby/2.4/puppet/util/fileparsing.rb...
...upload the certificate to AWS IAM I get this error: $ aws iam upload-server-certificate --server-certificate-name www.example.com-2013010-2014010 --certificate-body www.example.com.crt --private-key www.example.com.key --certificate-chain www.example.com.ca...
That's because of the format of the key file (www.example.com.key). If it starts with -----BEGIN PRIVATE KEY----- you have to convert it to rsa: mv www.example.com.key www.example.com.key_norsa...
There are two ways within systemd to manage the fact that you need the gluster service active before mounting the mountpoint. Thus in the past the mount triggered before the...
...gluster service was running and didn't mount again. /etc/fstab You can use the x-systemd.autmount feature which mounts the mountpoint as soon as it's accessed localhost:/shared /gluster/shared glusterfs...
...the debug output of the puppetmaster running with passenger you have to uncomment this setting in the config.ru: #ARGV << "--debug" If you don't know where your config.ru is, check...
Because systemd is the greatest thing ever it's not enough to stop the libvirt service. You need to disable the libvirt socket too. sudo systemctl stop libvirt-bin
...systemctl stop libvirt-bin.socket sudo systemctl start libvirt-bin
Bash stores the exitcodestatus of piped commands in the environment variable PIPESTATUS So you can just echo ${PIPESTATUS[@]} to get them all. 13:52:30 ✔ claus:~$ ps ax | grep /usr/bin/ruby...
...PIPESTATUS is an array, so you can get the exitcode of an specific command (first pipe): 13:54:20 ✔ claus:~$ echo ${PIPESTATUS...
In case you're wondering, when concat-ing server certificate and intermediate certificates, the server certificate comes first. RFC 4346: certificate_list This is a sequence (chain) of X.509v3 certificates...
certificate must come first in the list. Each following certificate must directly certify the one preceding it...
This is a way to run multiple redis server on one ubuntu server. These steps you have to do only once: Adjust init script Change some Variables. From this:
...ARGS=/etc/redis/redis.conf NAME=redis-server DESC=redis-server PIDFILE=/var/run/redis.pid to this: NAME=`basename ${0}` DAEMON_ARGS=/etc/redis/${NAME}.conf DESC=${NAME} PIDFILE=/var/run/${NAME}.pid Move redis configuration ^
Best results in other decks
...development PCs so we can operate multiple versions of Node.js in parallel. To make sure that all developers use a compatible version of Node.js, your Rails project should declare the...
...Node version as you cd into a directory. We have a card about automatically switch version when changing directories which provides a solution that works very well for us.
...s e-mails for issues that might cause e-mails to be classified as spam. They provide a one-time e-mail addresses that you can use to sign up...
...etc. You can then check for scoring results of SpamAssassin and other potential issues. You don't need to hit 10/10. Something around 9/10 is perfectly fine. Note: