Category: centos

Menghapus Daftar History Perintah Di Terminal Linux

Untuk melihat history perintah-perintah yang sudah di ketik di terminal linux ada beberapa cara: Menjalankan perintah history di terminal. Menekan tombol atas dan bawah di keyboard. Membuka file .bash_history di home directory dengan text editor. Secara default history perintah di terminal akan otomatis ada, akan tetapi, fitur ini bisa di non-aktifkan dan history bisa di…

Postfix blacklist or reject an email address

Open /etc/postfix/sender_access file # cd /etc/postfix # vi sender_access Append sender email id as follows: user@abadboy.com REJECT Save and close the file. Use postmap command to create a database: # postmap hash:sender_access Now open main.cf and add code as follows: smtpd_recipient_restrictions = check_sender_access hash:/etc/postfix/sender_access Save and close the file. Restart / reload postfix MTA: #…

Error on Start-up – CentOS

Issue An unexpected interruption in the operation of an ESX host or an underlying datastore in VMware can damage the root file systems of the Unidesk appliances (CachePoint Appliances and the Management Appliance).  This damage can prevent them from booting automatically. When an operational interruption occurs, the startup process prompts the user to enter the…