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Category: CentOs

CentOs

Troubleshooting incoming mail problems

Problem If you’re having trouble receiving mail from outside, you need to find out where the message is failing. When sending your test message, check the Log Files, especially /var/log/zimbra.log, on your MTA server. It’s often helpful to Read more…

By Rizki Amar Kuswara, 5 years ago 27/12/2017
CentOs

Linux Test Disk I/O Performance

How can I use dd command on a Linux to test I/O performance of my hard disk drive? How do I check the performance of a hard drive including the read and write speed on Read more…

By Rizki Amar Kuswara, 5 years ago 14/11/2017
CentOs

Membuat Lokal Repository RHEL/ CentOS.

Red Hat Enterprise 5/6 mempunyai cara yang berbeda dalam pembuatan repository / installation directory dibandingkan Red Hat Enterprise 4. Sebenarnya menggunakan NFS, FTP maupun HTTP repository bisa dilakukan di RHEL5, tapi db info yang digunakan Read more…

By Rizki Amar Kuswara, 5 years ago 06/11/2017
CentOs

Configuring yum repository with ISO DVD

1. Mount the RHEL 6 installation ISO somewhere like /mnt, e.g.: # mount -o loop rhel6.iso /mnt 2. Copy the media.repo file from the root of the mounted ISO to /etc/yum.repos.d/ and set the permissions. e.g.: # cp /mnt/media.repo Read more…

By Rizki Amar Kuswara, 5 years ago 06/11/2017
CentOs

How to Lock and Unlock Zimbra Accounts from Command Line

Hallo oprekers.. Kali ini command yang digunakan untuk melakukan lock & unlock account pada mail zimbra; To lock the account : [[email protected] ~]# su - zimbra [[email protected] ~]# zmprov ma [email protected] zimbraAccountStatus lock To unlock Read more…

By Rizki Amar Kuswara, 5 years ago 09/10/2017
CentOs

Zimbra CLI Commands

Zimbra CLI Commands The table below lists the CLI commands in /opt/zimbra/bin. Table 1 zimbra CLI Commands CLI Description ldap Start, stop, or find the status of zimbra LDAP ldapsearch Perform a search on an LDAP Read more…

By Rizki Amar Kuswara, 5 years ago 14/09/2017
CentOs

Extend Logical Volume Manager

Hi guy’s, untuk tahap selanjutnya merupakan langkah untuk melakukan penambahan size pada file system yang menggunakan LVM, berikut step by step nya; 1. Pastikan terlebih dahulu partisi OS : # fdisk -l Disk /dev/sda: 80.0 Read more…

By Rizki A. Kuswara, 5 years ago 13/07/2017
CentOs

Configure Logical Volume Manager

Hi guy’s berikut Step by step dalam konfigurasi LVM pada linux, semoga membantu. 1. check partisi OS : # fdisk -l Disk /dev/sda: 80.0 GB, 80026361856 bytes 255 heads, 63 sectors/track, 9729 cylinders Units = Read more…

By Rizki A. Kuswara, 5 years ago 13/07/2017
CentOs

Add LUN on Centos using iscsi

1. Nama iscsicat /etc/iscsi/initiatorname.iscsi 2. Edit File vi /etc/iscsi/iscsid.confIsi sesuai dengan storage# To enable CHAP authentication set node.session.auth.authmethod# to CHAP. The default is None.node.session.auth.authmethod = CHAP # To set a CHAP username and password for Read more…

By Rizki A. Kuswara, 8 years ago 29/12/2014
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