How to Find Out Top Directories and Files
- Ivan Ivanov
- Linux
As a Linux Administrator, you must periodically check which files and folders are consuming more disk space. It is very necessary to find the unnecessary junks and free up them from your hard disk.
Some of you would like to display the above result in a human-readable format. i.e you might want [...]
Limit SSH Access to Specific Clients by IP Address
- Ivan Ivanov
- Security
For example, to allow traffic from 192.168.0.0/24 network and otherwise, drop the traffic (to port 22). The DROP rule is not required if your iptables default policy is configured to DROP.
iptables -A INPUT -p tcp --dport 22 --source 192.168.0.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport [...]
Rocket.Chat - Free, Open Source, Enterprise Team Chat
- Ivan Ivanov
- Tech News
Rocket.Chat is free, unlimited and open source. Replace email, HipChat & Slack with the ultimate team chat software solution.Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor full-stack framework. It is a great solution for communities and companies wanting to privately [...]
Read MoreHow to Transfer Mailboxes Between IMAP Servers with Imapsync
- Ivan Ivanov
- PHP
Imapsync is an IMAP transfer tool used for transferring mailboxes and emails from one IMAP server to another IMAP server. Imapsync application is a command line tool that allows incremental and recursive IMAP transfers from one mailbox to another, both anywhere on the internet or in your local area [...]
Read MoreHow to retry connections with wget?
- Ivan Ivanov
- Linux
If you have very unstable internet connection or you are downloading files as large as 200GB or even less you could experience timeout issue and you would have to start your wget download again which is quite frustrating especially if the download was close to 90%. Of course there is a quick work-around [...]
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