Despite having only two additional installed software under CentOS 7 it is not a good idea to just try upgrading only CentOS 7 to CentOS…
Tag: centos 7
Change the LXC container root folder under CentOS with SELinux
The default LXC container folder in CentOS (all versions – 7,8, Stream 8 and Stream 9) is /var/lib/lxc, which may resides in the root partition….
Copying partition table from one disk to another with older sfdisk under CentOS 7
Older version of sfdisk may still be used for msdos partition tables. To copy the partition table from one disk to another using sfdisk a…
Caching NFS files with cachefilesd
A great tool for caching a network filesystem like NFS mounts is cachefilesd! It is easy to use it and a good deal of stats…
libelf was not found in the pkg-config search path
Building from source under CentOS the user may stumble on some compilation errors and most of them are for missing -devel packages. Here is such…
removing the default kernel in CentOS 8 – remove elrepo kernel
Removing the default kernel aka the loaded kernel in CentOS 8 maybe challenging because the package is protected and cannot be removed by the yum…
Using xtrabackup to make fast MySQL backups – backup and restore
Percona provides a really interesting tool for MySQL backups! It works on a live running MySQL server by copying the MySQL binary files from the…
Data too large, data for [] would be [] which is larger than the limit of
Rsyslog writing to Elasticsearch could lead to an error for some of the records and missing to save them in the backend: Unfortunately, such writes…
Install OpenStack swift client only
To manage files in the OpenStack cloud you need the swift client. This is not so tiny python tool (a lot of dependencies), which offers…
CentOS 7 dracut-initqueue timeout and could not boot – warning /dev/disk/by-id/md-uuid- does not exist
Let’s say you update your software raid layout – create, delete or modify your software raid and reboot the system and your server does not…