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Developer tools · #linux
New to development & self-teaching (thanks Covid) so this could be sloppy :( sorry... let me start off by saying I don't care about the data in the database - if it is easier to wipe it and start fresh, I'm good with that (don't know how to do that but I'm ok with it) Not sure what caused the issue but one day MySQL wouldn't start. Using service MySQL Re
Asked · 01 Feb 2021, 01:51 UTC
answered · 04 Feb 2021, 01:51 UTC
I was implementing a hashmap in C as part of a project I'm working on and using random inserts to test it. I noticed that rand() on Linux seems to repeat numbers far more often than on Mac. RAND_MAX is 2147483647/0x7FFFFFFF on both platforms. I've reduced it to this test program that makes a byte array RAND_MAX+1 -long, generates RAND_MAX random numbers, not
The default tc configuration on my server is: # tc class show dev ens5 class mq :1 root class mq :2 root # tc qdisc show dev ens5 qdisc mq 0: root qdisc fq 0: parent :2 limit 10000p flow_limit 100p buckets 1024 orphan_mask 1023 quantum 18030 initial_quantum 90150 low_rate_threshold 550Kbit refill_delay 40.0ms qdisc fq 0: parent :1 limit 10000p flow_limit 100
I have an issue with my linux server and need to reboot, before that I run my node application with pm2 start server.js without any other config. Can it auto restart my app after reboot server?
I am Running docker on an M1 Macbook Pro , here i am using this docker script FROM node:current-buster # Create and set user RUN wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb RUN apt-get update && apt install -y ./google-chrome-stable_current_amd64.deb This throws an error google-chrome-stable:amd64 : Depends: libasou
As Docker supports cgroup v2 since engine version 20.10, it will automatically use it on distributions that have cgroups v2 enabled. The known solutions to get the unique container ID from within the container, do not work anymore. / # cat /proc/self/cgroup 0::/ / # cat /proc/1/cpuset / Tried with docker v20.10.8 on Debian 11 with alpine:latest. Working solu
What is the difference between alpine docker image and busybox docker image ? When I check their dockfiles, alpine is like this (for Alpine v3.12 - 3.12.7) FROM scratch ADD alpine-minirootfs-3.12.7-x86_64.tar.gz / CMD ["/bin/sh"] busybox is like this FROM scratch ADD busybox.tar.xz / CMD ["sh"] But as https://alpinelinux.org/about/ says Alpine Linux is built
I'm using Ubuntu 18.04 as Windows Subsystem for Linux on my Windows 10 machine. I've installed gedit without any errors or warnings. But whenever I try to use the command gedit something (here something is a filename) I get this error: Unable to init server: Could not connect: Connection refused (gedit:48): Gtk-WARNING **: 21:03:26.729: cannot open display:
We are using an EC2(Ubuntu) amazon instance for running Apache.Recently we noticed that there is a process using the entire CPU. We removed it using the help of the following procedure [root@hadoop002 tmp]# systemctl status 25177 ● session-5772.scope - Session 5772 of user root Loaded: loaded (/run/systemd/system/session-5772.scope; static; vendor preset: di
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