Previously we used cloud-based Sentry version but then reached emails limit and our backend-team left without those notifications which are critical for their work. A self-hosted version was planned a long time ago so now we have a chance to spin it up. The post below describes how to start self-hosted Sentry on an AWS… Read More »
We have a VPC with OpenVPN Access Server running. This VPC is connected with other VPCs in our AWS account. The issue is that currently when a user is connected to VPN for the DNS resolution into EC2 instances private IPswe are using dnsmasq service on the VPN-host which has a /etc/dnsmasq.hosts file where are manually… Read More »
The issue happened on a fresh Arch Linux installation but the solution here can be used on any systemd-based distributive. So, during restarts system hangs for 1.5 minutes with a message like: A stop job is running for Session c1 of user setevoy (1min 30s) To check which process(es) exactly caused this you can use… Read More »
We consider Bitwarden as a passwords keeper for our project with the main goal to have an ability to have separated access to secrets by user roles and/or ACLs. I.e. Pass or KeePass are good for self-usage by one person but they have no main things – a normal web-interface and role-based access to data.… Read More »
pass – a password manager for Linux/UNIX. Stores data in tree-based directories/files structure and encrypts files with a GPG-key. In Arch Linux present by default, in Debian can be installed using apt from default repositories: [simterm] $ sudo apt install pass [/simterm] For macOS can be installed with Homebrew: [simterm] $ brew install pass [/simterm]… Read More »
What is the pointer? Shortly, the pointer is a variable which stores an address of another variable, where some data is stored. A pointer example Let’s take the simplest example where a pointer is used: package main import “fmt” func main() { a := 1 b := &a fmt.Println(“A: “, a) fmt.Println(“B: “, b) fmt.Println(“B:… Read More »
I’m sure that using MFA (Multi-Factor Authentication) today is oblivious. For 2FA (2-Factor Authentication) the most used method is TOTP – Time-based One-time Password, when alongside with the common login:password also needs to enter a code generated by a device or software. The most known implementation is Google Authenticator but also there is a lot… Read More »
Proceeding with a Github repositories checker. To recall: the idea is to have such a check in case if somebody from developers accidentally will share our project’s private repository as public, or will create a public repository instead of making it as a private one – we will get a Slack alarm about such a… Read More »
The next post from the Redis replication series. Previous parts: Redis: replication, part 1 – an overview. Replication vs Sharding. Sentinel vs Cluster. Redis topology. Redis: replication, part 2 – Master-Slave replication, and Redis Sentinel Redis: replication, part 3 – redis-py and work with Redis Sentinel from Python The task now is to write an… Read More »
The task is to write a tool which will be started from a Jenkin’s job by a cron and will check an organization’s public repositories list in the Github. A Docker-image build and a Jenkins job are described in the Jenkins: a job to check a Github organization’s public repositories list post. Then it has… Read More »