Sometimes it is necessary to limit the download rate of the wget command, e.g. when you are downloading a large file over a slow internet connection. The parameter to apply a download speed limit is the --limit-rate option. This setting
How to list installed packages on Debian?
To get a list of all installed packages on a Debian or Ubuntu server, run the command: dpkg --get-selections This command will show you a rather long list. To save the list to a file, use this command: dpkg --get-selections
How to change the Hostname on CentOS 7
The easiest way to change the hostname on CentOS 7 is to use the hostnamectl command. First I will check the current hostname by running "hostnamectl status" on the shell of my server: hostnamectl status The output on my system
How to set a VNC password
The Linux VNC server provides a command to set a new password. The command is "vncpasswd", the password is stored in encrypted form into the file ~/.vnc/passwd of the home directory of te user. Run: vncpasswd to set a new
Which ports are used on a ISPConfig 3 server and shall be open in the firewall?
Here is a list of ports that are used commonly on ISPConfig 3 servers. If you don't have all services installed or if you e.g. don't want to connect to MySQL from external servers, then close the unused or unwanted
How To Check And Repair All MySQL Databases on Debian And Ubuntu Linux
The Following command can be used to check and repair all MySQL databases on a Ubuntu or Debian Linux System. Ubuntu Linux sudo mysqlcheck --defaults-file=/etc/mysql/debian.cnf --auto-repair --optimize --all-databases Debian Linux mysqlcheck --defaults-file=/etc/mysql/debian.cnf --auto-repair --optimize --all-databases The benefit of the above
How To Disable Error Logging For A Website In ISPConfig 3
To disable the error.log for a website in ISPConfig on an Apache web server, follow this steps: 1) Login to ISPConfig 2) Go to the website settings of the website where you like to disable the error.log and there go
How to Copy Files with SCP between Linux Servers
1.1 SCP Command Line-An Overview The SCP command line is commonly used to copy files over SSH, and between popular Operating systems like Linux, Mac and Windows in a secure fashion. SCP is used to copy files to/from a
Solution for: system-config-firewall: command not found
When you get the error message "system-config-firewall: command not found" on your CentOS Server while trying to configure the firewall on the shell, then the text interface version of the firewall configuration utility is missing. Install it with this command:
Solution for: fatal: open database /var/lib/postfix/smtpd_scache.db: File exists
If your mail server stops working (neither incoming nor outgoing email works) and you find the following error message in the mail.log file: fatal: open database /var/lib/postfix/smtpd_scache.db: File exists then the smtpd_scache.db might got corrupted. Postfix will recreate this file