After staring a new LXC container, the syslog program (Syslog-ng) began to throw thousands of errors with this kind of message: These messages were logged…
Linux
Linux rules the world, right?
Degraded ext4 performance with millions files because of high system time in ext4_mb_good_group (100% kworker/u32+flush)
A strange behavior has been monitored in a storage server holding more than 20 millions of files, which is not a really big figure, because…
Software and technical details of Fedora Server 39 including cockpit screenshots
This article is for those of you who do not want to install a whole new operating system only to discover some technical details about…
Minimal network installation of Fedora 39 Server
This article will show the simple steps of installing a modern Linux Distribution Fedora 39 Server edition. Fedora line offers many bleeding-edge Linux technologies than…
List multiple connections with the same name using nmcli NetworkManager under CentOS
When using the NetworkManager it is possible to create multiple connections with the same name, which may result in confusion how to list them all…
Automatically start zram swap device on boot with systemd zram-generator under CentOS Stream 9
zram-generator package will install necessary tools to automate the creation on boot the compressed RAM devices. This article focuses on compressed swap devices. As of…
binutils and the error ld: unrecognized option ‘–no-dynamic-linker’
Yet another bites of an old bintuils installed in the system, which leads to an error and failed a building of glibc this time. The…
Edit with systemctl edit to add restart on fail to a service – nfs-ganesha
A quick tip how to edit a service unit file under a c system like CentOS Stream 9 or Ubuntu. The best way is to…
Change time zone for syslog messages in syslog-ng
When sending syslog packets to a remote server the time-zone of the current server may lead to problems because the syslog-ng program sets the time-zone…
Send coins in Groestlcoin network from command line with Groestlcoin Core 25 in year 2023
This article an updated version of Send coins in Groestlcoin network with Groestlcoin Core (cli), because it appeared many things handling the wallets with the…