Windows evolved a lot in the last years, what was once a headache for system administrators is now behind us since a few years. Microsoft now allow to convert a installed Windows Server 2016 Standard to Datacenter without having to re-install. To achieve this, you will need to have in hand your Windows Server 2016… Read More »
I had the luck of experiencing the following blue screen on a Windows Server 2008 R2 domain controller server at boot lately : *** STOP: 0x0000007E (0xFFFFFFFFC0000005, 0xFFFFF880018C9836, 0xFFFFF880009A9008, 0xFFFFF880009A8860) Related facts with this server : – Haven’t been rebooted since two years – Windows Updates haven’t been run for two years – Running minimalistic… Read More »
Having the following error output trying to start, restart or do a configtest on Apache server? Invalid command ‘ProxyPreserveHost’, perhaps misspelled or defined by a module not included in the server configuration This is likely caused because mod_proxy module is not present or disabled. To enable it, look out for the following in the main… Read More »
Slow MySQL server, with very high load and consuming a lot of I/O without any particular reason? If you see the following error when looking at the MySQL log file (/var/lib/mysql.log), then now you know why! [ERROR] /usr/libexec/mysqld: Table ‘./database_name/table_name’ is marked as crashed and should be repaired Fortunately, this issue is probably easy fixable… Read More »
Particularly useful when building appliances or when you ship pre-build systems to a remote location where technical knowledge of people at the remote site is limited, you can easily make the system “print” the IP acquired by DHCP or even the static assigned one to the system console login. You will need to create two… Read More »
If you encountered the following error trying to connect to a POP3 account on your Microsoft Exchange mail server, this might indicate the following issues : – The POP3 protocol isn’t enabled for this account ; – The login type you are trying to use isn’t currently supported by the server. This usually happen when… Read More »
You probably noticed the following output on your console after logging to your newly installed CloudLinux server : perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LC_CTYPE = “UTF-8”, LANG = “en_US.UTF-8” are supported and installed on your system. perl: warning: Falling back to… Read More »
Ending up with the following error trying to install CloudLinux? You have third-party kernel module rpm installed. It’s not compatible with CloudLinux kernel. Please contact CloudLinux support at https://helpdesk.cloudlinux.com In my case, this was because of the “kmod-vmware-tools-vmxnet3” module, since it was on a VMware guest machine. Since removing it isn’t an option and I… Read More »
Ending up with the following error trying to join a server or workstation to an existing Active Directory domain? The following error occurred attempting to join the domain “domain.tld”: The request is not supported. Additionally, if you have a look at the EventViewer, you can see the following log entries under the following logging facility… Read More »
You may have encountered the following issue trying to run “fuser” command on CentOS/RHEL 7 : fuser: command not found Many system administrators turn to do minimalist installation with version 7, unfortunately this even cut some critical basic components such as “traceroute, ifconfig, fuser, etc.” which in my opinion should be a part of a… Read More »