blackonsole

Linux

How to install NextCloud in Ubuntu 22.04

What’s NextCloud Nextcloud is an open-source software suite that offers a secure, self-hosted alternative to popular cloud storage and productivity platforms....
sysadmin.id
Apr 14, 2024 8 min read

Reset root password on CentOS 7

Edit boot menu on-the-go 0. reboot the CentOS 7 and press ESC when GRUB menu show up on the screen and...
sysadmin.id
Apr 8, 2018 18 sec read

Free ext4 reserved blocks with tune2fs

Check disk usage df -h Filesystem Size Used Avail Use% Mounted on /dev/vda1 95G 82G 7.9G 92% / Check size of...
sysadmin.id
Feb 18, 2017 19 sec read

Send Xymon/Hobbit Alerts to Slack Channel

How to sent xymon/hobbit alerts to slack channel 0. create bash script to push xymon/hobbit alerts to slack vim /etc/xymon/scripts/alert_to_slack.sh #!/bin/bash...
sysadmin.id
Oct 8, 2016 22 sec read

KVM/Archipel enable ttyconsole on guest vm with virsh

Debian Jessie Guest VM + Enable and start serial console systemctl enable [email protected] systemctl start [email protected] + Check status systemctl list-units...
sysadmin.id
Jun 13, 2016 24 sec read

Fix courier imapd.pem error PEM routines no start line

Error courier imapd.pem file tailf /var/log/mail.log imapd-ssl: couriertls: /etc/courier/imapd.pem: error:0906D06C:PEM routines:PEM_read_bio:no start line How to fix vim /etc/courier/imapd-ssl Make sure dhparams.pem...
sysadmin.id
Apr 26, 2016 14 sec read

How to push AutoMysqlBackup files to Google Drive

What is AutoMysqlBackup AutoMySQLBackup with a basic configuration will create Daily, Weekly and Monthly backups of one or more of your...
sysadmin.id
Feb 9, 2016 44 sec read
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