logrotate under CentOS 7 had worked perfectly till one day when a web server log stopped being rotated! All the other logs were rotated successfully….
Author: neoX
Install and make GNU GCC 10 default in Ubuntu 20.04 Focal
The best way to install and use GNU GCC 10 is to install first, build-essential package, which will pull in the GNU GCC 9.2, and…
Changing the queueing discipline – Error: Cannot delete qdisc with handle of zero.
If trying to delete a qdisc root to set no rules and no queuing algorithm probably for the purpose to add a new one a…
OpenVPN stops working after network restart
Encountering the following problem – OpenVPN works perfectly when started or restarted, but when the network connection of the computer restarts or for example, the…
Run LXC CentOS 8 container with bridged network under CentOS 8
The LXC container software comes to CentOS 8 with the EPEL 8 repository. LXC is a multiprocesses container, which offers to boot a Linux distribution…
Replace current interface configuration with a bridge device using nmcli (NetworkManager)
This article shows how the primary network interface could be replaced by a bridge device and the network interface becomes a part of the bridge…
Gentoo ERROR: Python module pytevent of version 0.10.2 not found, and bundling disabled
Emerging the sys-libs/ldb-2.3.0-r1 package may fail with an error for a missing Python mode, despite the sys-libs/tevent with a python USE flag is presented in…
Zookeeper cluster delete all in a subtree – Failed to delete some node(s) in the subtree!
Deleting a node with a subtree in a Zookeeper is pretty easy and it could be done even with the Zookeeper cli from the command-line….
Delete the zookeeper logs and snapshot with FileTxnSnapLog from the command-line
The new version of zookeeper has the ability to auto-purge the logs and snapshots (if autopurge.snapRetainCount and autopurge.purgeInterval are enabled in the configuration), but if…
Easy install the latest docker-compose with pip3 under Ubuntu
At present, the latest docker-compose version, which could be installed under Ubuntu 18, 20, and 21 is the 1.25 and 1.27 versions. There may be…