How to increase the swap space on Centos7
In below command as you guys can see there is two hard disk onek is /dev/sda another one is /dev/sdb. Into the second hard dsik we are going to create a space 4Gigabyte for swap [root@centos7 ~]# fdisk -l Disk /dev/sdb: 10.7 GB, 10737418240 bytes, 20971520 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk label type: dos Disk identifier: 0xd792ec1d Device Boot Start End Blocks Id System /dev/sdb1 2048 8390655 4194304 83 Linux /dev/sdb2 8390656 12584959 2097152 83 Li...