Below are some parameters I found to improve the speed of my ZFS volumes. zfs set xattr=sa <poolname> zfs set acltype=posixacl <poolname> zfs set compression=lz4 […]
GlusterFS Performance improvements
Here is a list of parameters I found over time to improve the speed of my GlusterFS instances. gluster volume set <volname> config.global-threading on gluster […]
How to GlusterFS to a new hostname
While it is rather easy to change the hostname of the Linux box the GlusterFS is sitting, Gluster might not be so kind. Good thing […]
Prevent SSH connection from timing out
In case you are plagued by SSH connections dying in the worst moments and the following waiting period, here might be the solution to your […]
Verify all users eMail-Adress over GitLab Rails console
With the release of GitLab 13.2 I ran into a serious issue when logging in. The issues behaviour was, that I would only get an […]
Get random entries in MySQL and MariaDB
If you want to get a random value (or more than one) from a MariaDB or MySQL database, you can accomplish this quite easy. All […]
Keepalived with IPv4 and IPv6 in Dual-Stack
Keepalived with IPv4 and IPv6 in Dual-Stack Why I wanted to do this I set up IPv6 in my new infrastructure and required some addresses […]
Faster SMB transfer speed on macOS
Based on a previous blog, which has been rendered obsolete as I realised lately, here comes the new revision: To increase the transfer speed between […]
Certbot challenge behind reverse proxy
To fulfil the certbot HTTP-01 challenge for receiving a Let’s Encrypt certificate you need to have a document root that is reachable from the internet. […]
Change default editor on console
Ever needed to change something in a file, you only have a command line and the default editor is nano? You can change this easily […]