The following error may occur when runnong “yum update” on a new installation of CloudLinux from official ISO : CloudLinux-8 – Gradual Rollout Slot 1 0.0 B/s | 0 B 00:00 Errors during downloading metadata for repository ‘cloudlinux-rollout-1’: – Curl error (58): Problem with the local SSL certificate for https://rollout.cloudlinux.com/slot-1/8/x86_64/repodata/repomd.xml [could not load PEM client… Read More »
With the latest version 27.0.0 of NextCloud at the time of writing this article, the group add feature from the admin WebUI is broken (adding a group and press the save button does nothing). This is a known bug and should be fixed in version 27.0.1 which should be pubished in the next week(s). In… Read More »
To put a disk or block device in offline mode and delete it from the system, follow the following steps. This example will assume that we want to remove the 5th disk on the system (connected on controller 0, id 5 and seen as “sdf” and mounted as /mnt/disk5). REMARK: If you were using this… Read More »
If you are used to “noop” kernel scheduler, you might have been stunned to see that it is nowhere to be found on Red Hat Enterprise Linux (RHEL), AlmaLinux, CentOS v8, Debian v10 and above : cat /sys/block/sda/queue/scheduler none [mq-deadline] kyber bfq Well, since then, it has been renamed from “noop” to “none”. So by… Read More »
LiteSpeed Web Administration interface password can be reset easily with this single command as root : /usr/local/lsws/admin/misc/admpass.sh You will be asked for the user to reset the password (by default “admin”) and then to supply the new password of your choosing twice.
LiteSpeed Web server come with a WebUI admin interface that is by default, accessible from port 7080 from any addresses (IP). For security reasons, it should be restricted to the IP address(es) or subnet(s) you usually manage your servers from and also to prevent the now very popular brute-force login attempts, which will flood you… Read More »
The following message may show up the first time you SSH login to a X11 forwarding enabled machine : /usr/bin/xauth: file /home/%user/.Xauthority does not exist In order to workaround this issue, just do the following : 1. Create an empty file for the concerned user : touch /home/%user/.Xauthority 2. Change the user/group permission to match… Read More »
The VMware vCenter Server Appliance (VCSA) propose several disk sizing at the time of deployment. Eventually, disk shortage may occur, especially for the /var/log disk. This example assume you want to increase the default 10 Gb /var/log volume located on the virtual Hard Disk 5. 1. From the vCenter oe ESXi WebUI, edit the VCSA… Read More »
Morpheus Cloud Management Platform 5.1.1 error out as followed when installing the Debian package : * file[/etc/sudoers.d/80-morpheus-app] action create * Parent directory /etc/sudoers.d does not exist. ================================================================================ Error executing action `create` on resource ‘file[/etc/sudoers.d/80-morpheus-app]’ ================================================================================ Chef::Exceptions::EnclosingDirectoryDoesNotExist ———————————————— Parent directory /etc/sudoers.d does not exist. As obviously stated in the message, the folder “/etc/sudoers.d” does not exist,… Read More »
By default, ext4 formatted drive will automatically reserve 5% of the allocated space for root user, which reduce the total available space for other users or the application you may want to use that drive for. This 5% ratio make sense on small volumes and purposes like the root (/) filesystem, but does not make… Read More »