Server

we see a lot of traffic from 'bad robots', these bots cause problems such as high server load, server instability and can...

By default, systemd-journald ensures older journal records or journal files are deleted in order to keep a certain amount of disk space...

In August 2019, NGINX Updates Mitigate in many implementations of HTTP/2. NGINX and Cloudflare are aware in this Mandatory case, Fortunately, For...

MySQL on Ubuntu fails to start. The following error messages are shown in the output of the journalctl -xecommand: AVC...

qemu-img convert: raw, qcow2, qed, vdi, vmdk, vhd The qemu-img convert command can do conversion between multiple formats, including qcow2, qed, raw, vdi, vhd, and vmdk.

In this article you will find information how to convert MyISAM tables to INNODB.  The procedure here is an...

14.04 , 16.04 , 18.04 , ESM , Extended Security Maintenance , livepatch , sack panic , Security , TCP Sack Panic , Trusty Tahr Issues have been identified in the way the Linux kernel’s TCP implementation...

Scenario: Disk quotas can be used to limit the amount of disk space or the number of files allocated...

In this article I show you how to use telnet to test the access to a mail server on TCP port 25.

Redhat Ubuntu reference:https://access.redhat.com/security/vulnerabilities/tcpsackhttps://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-11477.htmlhttps://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md Primarily Impacted Products Red Hat...

Step by step guide to solve problem zimbra some services are not running the following: To fix this issue:Check...

Recently I noticed in Google Analytics a lot of referral to the page https://www.mydomain-name.com//h/1486338.html that doesn’t exist on one of my website....