Posts tagged "Bash"

4 articles

Mounting raw disk images on Linux

Jan 12, 2021 311 words · 2 min read

From time to time you may have a raw disk image that you have made with the dd tool, or something similar. If it’s a backup of a single partition then it can be mounted in Linux using the loopback feature pretty easily, so long as you know the filesystem type, such as ext4, vfat or ntfs for …

Finding number of connections from hosts using netstat

Jul 16, 2016 56 words · 1 min read

Perhaps you’re trying to find out where all your incoming connections are coming from to a server. If for example, it’s a MySQL database then you may be interested in connections on TCP port 3306. netstat -n | grep :3306 | awk '{ print $5 }' | cut -d':' -f1 | sort -n | …

Manually extending hard disk space

Jul 14, 2016 282 words · 2 min read

Perhaps an instance is running low on disk space and you’d like to extend it? Unfortunately on Skyscape there doesn’t seem to be a way to do this via terraform at present, but it can be achieved manually by: Skyscape Portal Login to the SkyScape’s portal Locate the vApp in …

Find all files larger than X on Linux

Mar 29, 2011 127 words · 1 min read

This example is for larger than 1GB… find /home -size +1000000k -exec du -sh {} \; if they are logs, you might want to truncate them… /usr/local/bin/trunc_our_app_logs.sh #!/bin/bash # NG20110329 - To trunc those pesky logs # ... trailing slashes are best as they work with symlinks …