Use awk to parse apt history log and filter it.
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Tag: System management
You can directly inspect kernel slab allocator statistics (/proc/slabinfo file) for detailed information on buffer, inode, dentry, or other caches in the Linux kernel, though slabtop utility will sort and pretty-print information in real-time.
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How to configure swap using zram at boot
Configure compressed swap using zram device at system boot.
Take advantage of compressed RAM based block devices to create temporary filesystems and swap disks.
Ensure that OpenSSH client uses explicitly configured authentication identity even if authentication agent offers more identities.
Fix multipath daemon error about missing path when using VirtualBox.
Configure systemd service to be restarted in case of failure.
Use needrestart utility to determine which services need to be restarted after the upgrade.
Use FUSE (filesystem in userspace) to access rdiff-backup repository.
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How to create custom bash prompt
Today, I will show you my personal shell prompt, so you could define your own custom bash prompt.