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We were setting up a new server with NGINX in reverse proxy when we got the dreaded 502 | Bad Gateway error. Checking the NGINX error log gave us the following error: upstream sent too big header while reading response…
We got this error on a server we were tasked with for recovery MySQL server’s root password: mysqld_safe Directory ‘/var/run/mysqld’ for UNIX socket file don’t exists The fix for this turns out to be pretty straight forward, the directory it…
We recently migrated a client website to a new server and encountered the following error when trying to import their database: ERROR 1118 (42000) at line 2663: Row size too large (> 8126). Changing some columns to TEXT or BLOB…
We’re running Atomicorp’s Workload Security, previous known as Atomic Secure Linux, and have started getting the following error whenever we restart any service. ** (pkttyagent:112415): WARNING **: 12:49:43.934: Unable to register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject Error…
This error indicates that there is a problem with communication between the Nginx server and the backend server it is proxying to. upstream timed out (110: Connection timed out) while reading response header from upstream, client: X.X.X.X | 504 Gateway…
GoAccess is a web log viewer and analyzer, it also parses logs in realtime. This comes specially handy when you need to understand the traffic your server is getting. While installing GoAccess on a new server we got the following…
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…
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…
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:…
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…