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How to resolve httpd error – Invalid command IndexOptions

While starting httpd with, systemctl httpd startyou may get the following error. # service httpd statusRedirecting to /bin/systemctl status httpd.service● httpd.service - The Apache HTTP ServerLoaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)Active: failed (Result: exit-code) since Fri 2021-1-01 10:42:33 EDT; 1s agoDocs: man:httpd(8)man:apachectl(8)Process: 17601 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited, status=1/FAILURE)Main PID: 17601 (code=exited, status=1/FAILURE) July 06 …

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Install Windows 11

How to install Windows 11 on any PC

Microsoft has given the minimum system requirements for installing Windows 11 on a PC or dedicated server. If your PC does not meet those requirements, you may not be able to install Windows 11 on your PC and might want to consider purchasing a new device. Here we will give you a quick step-by-step guide …

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How to change the LiteSpeed connection timeout?

If you see errors like the following you need to change the LiteSpeed connection timeout setting. 2021-09-01 03:33:04.222931 [INFO] [12071] [] Lsapi connection state: 3, watching event: 25, respState: 1, m_iTotalPending:0, m_iPacketLeft:0, m_iCurRespHeader:12, req sent for 121 seconds,Total processing time: 121. Login to the cPanel server as root and access the LiteSpeed WebAdmin console. You …

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How to update composer on cPanel server?

It is usually recommended to download Composer to a local user home directory and use a local version that skips workarounds as required by using a root-level version. Only root is able to update system-level Composer. Local users can update Composer only if they install Composer locally and are not using the root-level Composer provided …

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Find and delete older files

In a Linux server, finding and deleting files older than 7 days can be done as follows. You should use the find command to get a list of files older than 7 days with the following command. # find /directory-path -mtime +7 -type f -exec ls {} ; In case, files you are looking for …

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Disable and enable ceilometer in OpenStack

Stop telemetry on the overcloud controllers. systemctl stop openstack-aodh-evaluator openstack-aodh-listener openstack-aodh-notifier openstack-ceilometer-central openstack-ceilometer-collector openstack-ceilometer-notification openstack-gnocchi-metricd openstack-gnocchi-statsd Next stop the mongod service. systemctl stop mongod You should now backup MongoDB files. tar Jcf /tmp/mongodb-backup-$HOSTNAME-$(date +%F_%H%M%S).tar.xz /var/lib/mongodb Delete the content of /var/lib/mongodb folder as follows: rm -r /var/lib/mongodb/* Run mongodb on all controllers. systemctl start mongod Create …

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can’t find command `multiboot2′ – TBOOT fails in UEFI system

In a UEFI system, after installing TBOOT, the TBOOT GRUB menu entries fail to boot the kernel. The following error message will be output on the screen. error: ../../grub-core/fs/fshelp.c:218:file`/EFI/centos/x86_64-efi/multiboot2.mod' not found.Loading tboot 1.10.2 ... error: ../../grub-core/script/function.c:120:can't find command `multiboot2'.Loading Linux 4.18.0-305.10.2.el8_4.x86_64 ...error: ../../grub-core/script/function.c:120:can't find command `module2'.Loading initial ramdisk ...error: ../../grub-core/script/function.c:120:can't find command `module2'. Press any …

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Cryptocurrency Mining Explained

What is Cryptocurrency mining Cryptocurrency mining or crypto mining uses computational power to generate new cryptocurrency units by solving complex mathematical problems or algorithms. The cyber currency transactions are verified, and the miners (like auditors) distributed globally are rewarded with a small percentage of cyber currency. e.g., Bitcoin, Etherium, BTC, Dogecoin, etc. Cryptomining can be …

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