We recently had to deploy a wildcard SSL certificate to an Microsoft Azure web app. The company we buy our certs from, issues them in .crt format by default, we have to convert them to .pfx ourselves. This isn’t a big deal and we’re going to see how to do…
We recently needed to upgrade a server from MySQL 5.7 to MariaDB 10.3 and one of the key steps in doing so is to disable strict mode after the upgrade. By default, MariaDB enables strict mode from version 10.2 and onwards. Having this enabled can cause various issues, a few…
We got this error when trying to install ZFS on a server recently: Error: Package: kmod-zfs-0.7.13-1.el7_6.x86_64 (zfs-kmod) Requires: kernel(posix_acl_valid) = 0x7add44b5 Installed: kernel-3.10.0-1127.19.1.el7.x86_64 (@updates) kernel(posix_acl_valid) = 0xc89bfa92 Available: kernel-3.10.0-1127.el7.x86_64 (base) kernel(posix_acl_valid) = 0xc89bfa92 Available: kernel-3.10.0-1127.8.2.el7.x86_64 (updates) kernel(posix_acl_valid) = 0xc89bfa92 Available: kernel-3.10.0-1127.10.1.el7.x86_64 (updates) kernel(posix_acl_valid) = 0xc89bfa92 Available: kernel-3.10.0-1127.13.1.el7.x86_64 (updates) kernel(posix_acl_valid) =…
We were faced with this error while trying to install vnstat from source on one of our servers. checking for sqlite3_prepare_v2 in -lsqlite3… no configure: error: could not find required sqlite3 library As to what this error is about, well SQLite is a small, fast, self-contained, high-reliability, full-featured, SQL database engine. It is used…
We’re running cPanel with MariaDB 10.2 on one of our servers and during a complete database dump we ran into this error: mysqldump: Got error: 1356: “View ‘sys.host_summary’ references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them” when using LOCK TABLES We used…
A security scan on one of our servers recently revealed that directory listing was enabled for a particular URL: abc.com We have configured our webservers to globally disable directory listing so this stumped us. We revisited our Apache httpd.conf, tweaked a couple of settings but it still wouldn’t disable. We…
To mount a Windows share on a Linux machine you’ll need CIFS. To install CIFS, issue the following at shell: yum install cifs-utils sudo apt-get install cifs-utils Create an empty folder at the location you want to mount the drive: mkdir /location/share To mount the windows share issue the following:…
“Windows cannot access drive. You do not have permission to access \share. ” We were stumped by this error on one of the internal machines we had set up as a shared server. We turned off password protected sharing but it still did not fix the issue. Reading the initial…
We had to reboot a server we manage which had frozen/crashed during the night. The server rebooted but none of the services would come online. We tried filtering the logs to a new file to drill down the errors at the time of the crash when the system threw the…
One of our production servers started throwing this error whenever we tried to start/stop/restart a service. Heck, even issuing reboot would return a similar error. Failed to stop httpd.service: Failed to activate service ‘org.freedesktop.systemd1’: timed out The only thing that worked, in the end, was to forcefully reboot the server.…
