Receiving the following alert/error from your cPanel server? The service “mailman” appears to be down. Try first to manually restart the service from WHM, or by SSH using the following command : /scripts/restartsrv_mailman You’ll most likely end up with the following error/output : [root@hostname root]# /scripts/restartsrv_mailman Waiting for “mailman” to start ……info [restartsrv_mailman] systemd failed… Read More »
The following error may occur during the JunOS software upgrade process : [Jul 28 15:11:32]: Checking pending install on fpc0 fpc0: Verify the signature of the new package verify-sig: cannot validate certs.pem certificate is not yet valid: /C=US/ST=CA/L=Sunnyvale/O=Juniper Networks/OU=Juniper CA/CN=PackageProductionSHA1RSACA/emailAddress=ca@juniper.net ERROR: Package signature validation failed. Aborting install. This is usually a sign that your Juniper… Read More »
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 »
Use the following PowerShell command (run as admin) to list and export all installed software on Windows and export to a text file : Get-ItemProperty HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\* | Select-Object DisplayName, DisplayVersion, Publisher, InstallDate | Format-Table –AutoSize > C:\InstalledSoftware.txt This will save the output to C:\InstalledSoftware.txt
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 »
In the early ages of free automated SSL certificates, FleetSSL cPanel Plugin (earlier known as Let’s Encrypt for cPanel) was the standard. cPanel then announced in 2016 that the official plugin was now AutoSSL, which is provided by cPanel. The move from FleetSSL to AutoSSL is quite simple : 1. Uninstall FleetSSL Let’s Encrypt :… 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 »