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apt-get update काम नहीं कर रहा: हस्ताक्षर / सत्यापन त्रुटियां
जब मैं दौड़ता apt-get updateहूं तो मुझे मिलता है Ign:1 http://dl.google.com/linux/musicmanager/deb stable InRelease Ign:2 http://archive-4.kali.org/kali kali-rolling InRelease Hit:3 http://archive-4.kali.org/kali-security sana/updates InRelease 0% [3 InRelease gpgv 11.9 kB] [Waiting for headers] [Waiting for headers]Couldn't create tempfiles for splitting up /var/lib/apt/lists/security.kali.org_kali-seErr:3 http://archive-4.kali.org/kali-security sana/updates InRelease Could not execute 'apt-key' to verify signature (is …