Hodžův blog

Archive for the 'Linux' Category

04 Úno

.CSR, .CRT a .KEY aneb patří k sobě?

Dnes jsem zákazníkovi obnovoval certifikáty. Jelikož jsem generování a stažení certifikátů dělal z různých počítačů, chtěl jsem mít 100% jistotu, že soubory k sobě patří. S OpenSSL to lze naštěstí velmi snadno ověřit: # CSR $ openssl req -in domena.cz.csr -pubkey -noout -outform pem | sha256sum a9a2390ea6ea6a3d5a186b5ee137f89909f533031fab9e2010a8f2c237fb9b7e – # Certifikát $ openssl x509 -in domena.cz.crt […]

24 Lis

FortiGate – Problem with license information

After renewing a contract license, the kicense information widget indicates that all or some of the licenses are not available. QuickFix: Run the following commands in the CLI diag debug app update -1 diag debug en exec update-now

28 Srp

Odstranění diakritiky ze souboru

# sudo apt install recode # recode -f utf8..flat soubor.txt

24 Čvc

HowTo: Nextcloud – Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes

# mysql -u root -p MariaDB [(none)]> use nextcloud; MariaDB [nextcloud]> set global innodb_large_prefix=on; MariaDB [nextcloud]> set global innodb_file_format=Barracuda; MariaDB [nextcloud]> quit; # sudo -u www-data php occ maintenance:repair

30 Dub

HowTo: Uninstalling Windows Defender with PowerShell

Uninstall-WindowsFeature -Name Windows-Defender

20 Led

Error installing VMware Remote Console plugin – (k)ubuntu 18.04

Quick Fix # apt-get install desktop-file-utils

17 Led

„The Ext Drive has been disabled due to a detected fault“ Lenovo SR570 & Lenovo DE4000H

1. Power off (all) servers 2. Change the volume LUN ID to ID 0 on DE4000H 3. Power on (all) servers

05 Říj

UBNT UniFi AP (UAP) Upgrade Loop

1. Forgot device from UniFi 2. SSH to UniFi AP (default credential ubnt/ubnt) ssh root@ip_of_unifi_ap 3. Upload latest firmware image from UniFi web site (https://www.ui.com/download/unifi/unifi-ap) cd /tmp wget https://dl.ubnt.com/unifi/firmware/BZ2/4.0.15.9872/BZ.ar7240.v4.0.15.9872.181229.0259.bin –no-check-certificate mv BZ.ar7240.v4.0.15.9872.181229.0259.bin fwupdate.bin 4. Run upgrade process syswrapper.sh upgrade2 & 5. Wait a moment & adopt device in controller

05 Říj

DNSSEC in BIND & Fast validation

Edit Bind config file vi /etc/bind/named.conf.options … options { … dnssec-enable yes; dnssec-validation auto; … }; …

24 Zář

Error „Hardware RAID is disabled via NVRAM Controller setting“

# Show controller slots ssacli ctrl all show config # Disable HBA Mode ssacli controller slot=0 modify hbamode=off # Recheck controller status ssacli controller slot=0 show

Hodžův blog is is proudly powered by Wordpress and the Magellan Theme