If you have ever happened to execute some complex scripts using the cron system you were inevitable to discover the Linux environment was different than…
console
Inactive array – mdadm: Cannot get array info for /dev/md126
Replacing a disk maybe sometimes challenging, especially with software RAID. If the software RAID1 went inactive this article might be for you! Booting from a…
display packages from the Gentoo emerge resume list
A quick tip and an easy hack to see the emerge resume list, which will be used by the “emerge –resume” command. There are two…
bonding – write error – device or resource busy – operation not permitted
Recently, there was a little bit of confusion when following the article about activating network bonding without ifenslave – How to enable Linux bonding without…
root cannot delete, move or change a file – Operation not permitted or Permission denied – immutable attribute
If you are the root user and some file (files or directories) cannot be deleted, removed, renamed or changed you probably deal with the immutable…
Update supermicro X10SLM-F firmware BIOS under Linux with the SUM cli
Here is how we updated our Supermicro server X10SLM-F with the latest firmware at the moment. Our current BIOS firmware version is 2.0
sed with delimiter – any other single character in replacing words or characters
It is not so known fact that this powerful unix world command sed could be used with other delimiter than “/” (when replacing words or…
Clear or delete systemd logs
Systemd linux distros use Journald service to collect and store logs in the system. Here are a couple of tips if you have problems with…
Update supermicro server’s firmware BIOS under linux with the SUM cli
The newer Supermicro motherboards have the ability to update the system BIOS from IPMI Web management or with a Supermicro tool called “Supermicro Update Manager…
Backup and restore your Groestlcoin address wallet (cli)
In real world backups are lifesavers and in crypto world the backups are even more important! Backup everything about your crypto wallet and node install!…