Let me give you an example of setting up DHCP Snooping on Edge-core switches, for the test I’ll take the ES3526XA model.
Continue reading “Configuring DHCP Snooping on Edge-core”BDCOM OLT: LLID sequences have been used up on EPON
One day, a technician connected a client and informed me that the ONU is not registering with one of the BDCOM P3608-2TE EPON OLT. I looked at the logs:
Continue reading “BDCOM OLT: LLID sequences have been used up on EPON”Configuring Edge-core ES3526XA
In the test, I’ll configure the Edge-core ES3526XA switch.
Continue reading “Configuring Edge-core ES3526XA”How to install and configure Zabbix-agent on Ubuntu
On Ubuntu/Debian Zabbix-agent installs quite easily.
Initially, just enter the installation command:
How to transfer WordPress to another domain
Firstly, you must make a backup copy of the database and www directories.
Continue reading “How to transfer WordPress to another domain”Mail server with Postfix, Dovecot and MySQL
I will give an example of setting up a simple mail server on Postfix, Dovecot and MySQL.
For the test, I use the Ubuntu 16.04 operating system.
Changing gc_thresh on Linux
In this article I will give an example of changing gc_thresh on Linux, this parameter usually needs to be increased on highly loaded access servers.
Continue reading “Changing gc_thresh on Linux”Nginx. Directory Access Restriction
In this article I will give examples of restricting access to files or directories by IP address or username and password.
Continue reading “Nginx. Directory Access Restriction”Solution “InnoDB Error ib_logfile0 is of different size”
Once increasing the size of “innodb_log_file_size”, I noticed an error in the /var/log/mysql/error.log file:
Continue reading “Solution “InnoDB Error ib_logfile0 is of different size””How to convert MySQL tables from MyISAM to InnoDB
Since InnoDB is more reliable for storing important data and is more efficient with frequent write requests, I will convert MyISAM tables to InnoDB, in old databases, in one of the companies.
Continue reading “How to convert MySQL tables from MyISAM to InnoDB”