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This is called mounting a loopback device. 3 steps. Creating the file that can be mounted as a file system Assigning the file as a block device Mounting the block …
Mounting a file as a file system in Linux Read MoreHot Clone is the term used to describe to completely clone a Linux server using r-sync across the network. This is useful in situations which you would like to create a …
Hot Clone A CentOS Server With Rsync Read MoreFor Ubuntu 14.04 12.04 CentOS 5.x 6.x 7.x echo “net.ipv6.conf.all.disable_ipv6 = 1” >>/etc/sysctl.conf echo “net.ipv6.conf.default.disable_ipv6 = 1” >>/etc/sysctl.conf sudo sysctl -p cat /proc/sys/net/ipv6/conf/all/disable_ipv6 #
How to disable IPv6 in Ubuntu / CentOS Read Moreสำหรับทำให้ postfix ทำงานแค่ ipv4 เพื่อไม่ให้ gmail มีปัญหาเรื่อง ipv6 gmail-smtp-in.l.google.com said: 550-5.7.1 Our system has detected that this message 550-5.7.1 does not meet IPv6 sending guidelines regarding PTR records and 550-5.7.1 …
Postfix Script Read MoreRescan the SCSI Bus to Add a SCSI Device Without rebooting the VM echo “- – -” > /sys/class/scsi_host/host#/scan a filesystem be copied exactly as is? rsync -axXSAH sshpass …
Linux Special Command Read MoreAdd new LVM fdisk /dev/sdb g x pvcreate /dev/sdb1 vgcreate new /dev/sdb1 lvcreate –name vol -l 100%FREE new # create ext4 mkfs.ext4 /dev/vg_newlvm/centos7_newvol # create xfs mkfs.xfs /dev/new/vol #mount to …
Linux LVM Command Read More