Once it was necessary to compile the newest version of cURL, because there was a bug in the standard version from the Ubuntu Server 20.04 repository, and in the new version it was fixed.
Continue reading “How to compile cURL on Ubuntu”Author Archives: Vyacheslav
Solution AH00558: apache2: Could not reliably determine the server’s fully qualified domain name
Once after installing and configuring Apache2 on Ubuntu Server 20.04, I noticed the following error in the /var/log/apache2/error.log logs:
Continue reading “Solution AH00558: apache2: Could not reliably determine the server’s fully qualified domain name”Transferring Zabbix to another server
It took one time to transfer Zabbix server version 4.4.10 running on Ubuntu Server 14.04 to a new server running Ubuntu Server 20.04 and at the same time I updated Zabbix to version 5.2
Continue reading “Transferring Zabbix to another server”Solution “fping failed” and “item icmpping became not supported”
I once installed Zabbix Server 5.2 on Ubuntu Server 20.04 and noticed the following errors in /var/log/zabbix/zabbix_server.log:
Continue reading “Solution “fping failed” and “item icmpping became not supported””Zabbix. Dynamic Indexes
I have come across quite a few switches in which SNMP indices can shift, for example, depending on the number of added VLANs, that is, the first port will no longer be ifIndex.1, but for example ifIndex.5. On Mikrotik RB2011UiAS-RM, the sfp1 port is ifIndex.1, and ether1 is already ifIndex.2. In Huawei switches and OLT, I saw sky-high figures and, in addition, they also shifted. Therefore, in order not to create separate templates for the same device model, Zabbix has a solution for this.
Continue reading “Zabbix. Dynamic Indexes”iRedMail. Change password complexity
I will give an example of changing the requirements for password complexity in iRedAdmin, they are used to check the entered password, for example, when creating a user or simply changing a password for a user. However, I do not recommend downgrading them.
Continue reading “iRedMail. Change password complexity”Upgrading phpBB 3.2.7 to phpBB 3.3.3
Once on one server it was necessary to update the phpBB 3.2.7 forum to phpBB 3.3.3, so I will describe the process as I did it.
Continue reading “Upgrading phpBB 3.2.7 to phpBB 3.3.3”How to upgrade iLO 5 on HPE servers
For example, I will update the iLO 5 firmware on the HPE ProLiant DL380 Gen10 server.
Continue reading “How to upgrade iLO 5 on HPE servers”Configuring HTTPS in Apache
First, I will give an example of setting up HTTPS in Apache using a self-signed key.
Continue reading “Configuring HTTPS in Apache”Configuring RPS (Receive Packet Steering)
Receive Packet Steering (RPS) is a software implementation of RSS. Useful for example when there are fewer interrupts on the network interface than the processor cores.
Continue reading “Configuring RPS (Receive Packet Steering)”