RAID getting created as /dev/md127
When I create software RAID with mdadm, it gets created as /dev/md127, instead of /dev/md0 I specified while creating RAID. To fix…
Linux
How to disable GUI in Ubuntu
If you have installed Ubuntu with GUI and don’t want GUI, you can disable GUI from starting on boot with command systemctl…
How to Setup Software RAID 0 on Linux Server
RAID 0 allows you to combine multiple disks into one large disk. Only use RAID 0 if the data is not important…
IO Load
To see which files cause IO load, use filetop fatrace can list files that and currently used totop To get IO read/write…
View systemctl service file
To view the content of a systemd service file, run the command systemctl cat SERVICE_NAME_HERE Example boby@sok-01:~$ systemctl cat nginx # /lib/systemd/system/nginx.service…
Redis error currently not able to persist on disk
When doing a FLUSHALl on redis server, i get following error message [root@server ~]# redis-cli FLUSHALL (error) MISCONF Redis is configured to…
How to flush Redis cache
To delete everything from redis cache, run the command redis-cli FLUSHDB This will delete all keys from the current DB. To delete…
How to find Redis data directory
To find the data directory in redis, run the command redis-cli config get dir Redis data directory is specified in the configuration…
How to Install Gnome and xRDP on RHEL 8 (CentOS 8/Alma Linux/Rocky Linux)
You can install Gnome Desktop + xdrp on a remote server (VPS/cloud or dedicated) and use it as a remote desktop for…
Find files older than X minutes
To find files that are older than X minutes, use the command This will find all files inside /path/ that are older…
Configure Failover IP in Ubuntu 20.04 OVH VPS
To configure IP on OVH VPS, you need to manually configure networking as OVH gateway is outside the failover IP subnet. For…
Bitnami WordPress Failed to update Plugin
On a Bitnami WordPress server, plugin installation/upgrade failed with permission error. The error is because the web server in bitmai servers runs…