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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On the bash command line, run the following command to search for text files in a directory and add .txt suffix to their names. # for i in $(file * | grep ASCII | awk -F : {'print $1'} | xargs); do mv "$i" "$i.txt"; done

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To find files with SUID/SGID set and disable their security bit, you can use the Linux Find command. Under root, find all set user id files with the following command. # find / -perm +4000 Find all group id files under / # find / -perm +2000 You can combine both the above find commands …

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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] [198.51.100.2:11313#APVH_domain.tld:lsapi] 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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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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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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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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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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