While installing MongoDB on a server we were greeted with a warning message “vm.max_map_count is too low” By default, Linux will restrict the maximum number of memory maps per process to 65530 on Rocky Linux 8. While this may be…
Today we’ll look at how to install an NTP, chrony, client on CentOS 8. Issue the following to install the NTP client, chrony dnf install chrony Start the service by issuing the following: service chronyd start Start chrony on boot…
Samba is a free software re-implementation of the SMB networking protocol, and was originally developed by Andrew Tridgell. Samba provides file and print services for various Microsoft Windows clients and can integrate with a Microsoft Windows One of our shares…
We’ll be looking at how to install the Linux command killall in this article. Killall send’s a signal to, if not explicitly specified, terminate all the processes with the given name. CentOS used to ship with killall out of the…
Today we’ll install cPanel or WHM on CentOS 7.7 cPanel is the most popular control panel in the shared hosting space. It is so widely used that it is the defacto control panel in the industry, Plesk comes in close…
Today we’ll look into repairing a crashed WordPress database table. The error message could appear in one of many ways, some of them below: [20-Oct-2019 15:28:18 UTC] WordPress database error Table ‘wp_options’ is marked as crashed and should be repaired…
Today we’ll look at how to create a new database in MongoDB. Connect to mongod via the following line, replace your credentials mongo -u ‘username’ -p ‘password’ –authenticationDatabase ‘admin’ If you’re successfully authenticated then you’ll see the following prompt: To…
Has an SSH connection taken too long to return the password prompt? There are two possible fixes to it. There are two possible ways to fix this, First, disable Reverse DNS lookups on SSH connections on the target machine. Edit…
Ran into this rather peculiar error recently while installing Varnish Cache on CentOS 7. Resolving Dependencies –> Running transaction check —> Package varnish-devel.x86_64 0:5.2.1-1.el6 will be installed –> Processing Dependency: varnish = 5.2.1-1.el6 for package: varnish-devel-5.2. 1-1.el6.x86_64 –> Running transaction…
We updated an old server recently and the ProFTP server started throwing this error “530 Login incorrect” and wouldn’t let us in. We looked at the usual culprits, reset passwords, verified directories but nothing seemed to work. We ran ProFTPD…