Best free bandwidth monitoring software and tools to analyze network traffic usage Rumi, June 13, 2018June 13, 2018 To keep an eye on the health of your network and diagnose problems that crop up, an essential activity is monitoring your bandwidth and knowing which traffic is consuming it. Your ISP promises to provide you with a reliable pipe to the Internet of a certain volume; your chosen network… Continue Reading
Enable WIndows Photo Viewer in Windows 10 Rumi, June 13, 2018 Default windows “Photo” app is clumsy at some point, missed the earlier “Photo Viewer” program. So, going back to root and after googling, here’s a small hack to enable “Windows Photo Viewer” in windows 10 edition. Download the photo.zip and unzip it. You’ll get a photo.reg file. The file is… Continue Reading
Zimbra send http traffic to https or keeping both in mix Rumi, June 10, 2018June 10, 2018 HTTP proxy can support protocol modes for HTTP or HTTPS only, both HTTP and HTTPS, mixed HTTP and HTTPS or HTTPS redirect from HTTP. Redirect is a popular configuration. This configuration must be made to the proxy servers. HTTPS redirect from HTTP zmprov ms proxy.server.name zimbraReverseProxyMailMode redirect HTTP and HTTPS… Continue Reading
Mount CD or DVD Rom in Linux Rumi, June 3, 2018 Finding out your CD/DVD names in Linux Use the following command to find out the name Of DVD / CD-ROM / Writer / Blu-ray device on a Linux based system: # lsblk OR # dmesg | egrep -i –color ‘cdrom|dvd|cd/rw|writer’ Sample outputs (/dev/sr0): [ 5.437164] sr0: scsi3-mmc drive: 24x/24x writer… Continue Reading
Increase mail attachment in Zimbra 8.8 Rumi, June 3, 2018 Postfix configuration (zimbraMtaMaxMessageSize and message_size_limit) You can examine the current value of this parameter like this: # su – zimbra $ postconf message_size_limit message_size_limit = 10240000 This configuration parameter is stored in the zimbra ldap directory, and propagated to postconf’s message_size_limit by zmmtaconfig, which is invoked by the zimbra postfix… Continue Reading
LAMP on Ubuntu 16.04 using Tasksel Rumi, May 12, 2018 Quick Install Using Tasksel Instead of installing Apache, MySQL, and PHP separately, tasksel offers a convenient way to get a LAMP stack running quickly. Install tasksel if not already installed by default. sudo apt install tasksel Use tasksel to install the LAMP stack. sudo tasksel install lamp-server Enter the prompt… Continue Reading
Mail Sync between 2 mailservers using Imapsync Rumi, May 12, 2018May 12, 2018 Imapsync is an IMAP transfer tool used for copying emails from one IMAP server to another IMAP server. This article will help you to install imapsync on Ubuntu, Debian, and LinuxMint systems and transfer all your Mailboxes and emails between two IMAP servers. Step 1 – Install Imapsync Imapsync package… Continue Reading
Send Email from Linux Terminal Rumi, May 12, 2018 1. Using ‘sendmail’ Command Sendmail is a most popular SMTP server used in most of Linux/Unix distribution. Sendmail allows sending email from command line. Use below instructions to send email using ‘sendmail‘ command. Create a file using following content. [root@tecadmin ~]# nano /tmp/email.txt Subject: Terminal Email Send Email Content line… Continue Reading
Clear RAM Memory Cache, Buffer and Swap Space on Linux Rumi, May 9, 2018July 14, 2020 Clear PageCache only # sync; echo 1 > /proc/sys/vm/drop_caches Clear dentries and inodes # sync; echo 2 > /proc/sys/vm/drop_caches Clear PageCache, dentries and inodes # sync; echo 3 > /proc/sys/vm/drop_caches Continue Reading
Add a New Disk in Linux- Partition and Format Rumi, May 9, 2018 Partition the new disk using fdisk command Following command will list all detected hard disks: # fdisk -l | grep ‘^Disk’ Output: Disk /dev/sda: 251.0 GB, 251000193024 bytes Disk /dev/sdb: 251.0 GB, 251000193024 bytes A device name refers to the entire hard disk. For more information see Linux partition naming… Continue Reading