4 sai lầm khi uống cà phê buổi sáng cần tránh
Cà phê buổi sáng giúp tỉnh táo nhưng uống sai cách có thể gây khó chịu tiêu hóa, tăng calo và làm cơ thể bồn chồn. Bài viết chỉ ra 4 lỗi thường gặp và cách điều chỉnh để uống cà phê lành mạnh…
Uống nước mía thường xuyên có tốt cho sức khỏe?
Nước mía giúp giải khát, bổ sung năng lượng nhanh và cung cấp một số khoáng chất. Tuy nhiên, uống thường xuyên có thể làm tăng đường huyết, tăng calo và gây rủi ro tiêu hóa nếu không đảm bảo vệ…
KVM on SolusVM is randomly stopped or suspended because host node OOM kills corresponding qemu process
Symptoms Every once in a while, randomly, KVM VPS running with SolusVM virtual machine is getting suspended or stopped. The following message can be found in dmesg or in /var/log/messages: Nov 2 13:54:33 server kvm: 25 guests now active server kernel:…
disable php and update to fix change passs
You better disable all the REMI repos that exist on your /etc/yum.repos.d/ folder. Or add the below line in /etc/yum.conf file. exclude=php* or Try this command with yum update. yum update –exclude=php* =========== Run these commands as well. yum…
Reinstall OS and import vg0 with solusvm
Let’s imagine, you have a node with /dev/sda drive that consists of a boot partition, root partition and swap and /dev/sd[b-c] drives that compose the volume group with LVM images of your VPSes. In this case, it is necessary: • Copy the directory…
How to stop VPS migration in SolusVM?
Connect to your Master server over SSH. Access SolusVM database: # curl -o solusvmdb.sh https://raw.githubusercontent.com/solusvm-support/helpers/master/solusvmdb.sh && sh solusvmdb.sh Set status to migration as completed using the following…
Error: out of memory
As you might know the system allocates memory on a server by contiguous memory blocks of different size. And there may be a situation where the system does not have contiguous memory blocks of certain size due to memory fragmentation and another…
mdadm Command Examples in Linux
The mdadm command is a tool used to manage software-based RAID arrays. A redundant array of independent disks (RAID) is a set of vendor-independent specifications that support redundancy and fault tolerance for configurations on multiple-device storage…
Replacing a Failed Mirror Disk in a Software RAID Array (mdadm)
The post describes the steps to replace a mirror disk in a software RAID array. In this example, we have used /dev/sda1 as the known good partition, and /dev/sdb1 as the suspect or failing partition. Before proceeding, it is recommended to backup the…
