Tag: Ubuntu

How to Find Memory Usage on Ubuntu

Here are a few commands that will help you find memory usage on an Ubuntu system:   top -o +%MEM cat /proc/meminfo free -m ps -e -o pid,vsz,comm= | sort -n -k 2

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Some find commands

Some quick find examples   find in current directory all files that have size greater than 0 find . -type f -size +1 -exec ls -la {} \;   find in current directory all files that have size less than or equal to 0 find . -type f -size -1 -exec ls -la {} \; …

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Copy directory from local host to remote host

Here is a simple and secure way to copy a directory structure from a local host to a remote host:   # tar -czf – . | ssh root@ubuntu “(cd /mnt/tegile;tar -xpzf -)” The – repersents stdin The . means current directory

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How do I add a DNS server via resolv.conf in Ubuntu

If you really want to add more entries to /etc/resolv.conf, create a /etc/resolvconf/resolv.conf.d/tail and add them there. root@speedy:/etc/resolvconf/resolv.conf.d# cat tail domain csuohio.edu. search csuohio.edu. nameserver 8.8.8.8  

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How to Increase Linux VM ext4 File System

If you have ever created a Linux VM guest and made the ext4 root disk too small, there is a pretty simple way to increase the size of the disk. The following will outline those steps.  Sections in blue are what you would type: Edit the settings in vSphere for the VM increase the size …

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