https://www.diskpart.com/articles/delete-hidden-partition-on-usb-drive-7201.html
Overview
| Services
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Networking
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OS
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Hardware
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Packages
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File System
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Data
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Trouble shooting
| Purpose |
Command
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| Verify $PATH by line. |
echo $PATH | tr ':' '\n'
echo $PATH | tr ':' '\n' | grep 'snap'
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File System
| Purpose |
Command
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| list with color and suffix for dir and link
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| list add hidden files only single quote is necessary
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| delete dist directory recursively except README.md and itself.
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find ../../assets/swagger/support ! -path *swagger/support ! -name 'README.md' -delete
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| delete files that filename leads by - or --
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Set file mtime
2013-09-01 00:00:00
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touch -t 201309010000 FILENAME
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| create ramdisk for Linux (cannot set size)
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mount -t ramfs ramfs /usr/local/ramdisk
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| create ramdisk for Linux/BSD
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mount -t tmpfs -o size=128m tmpfs /usr/local/ramdisk
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| Test I/O performance of 1G write with 4K block
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dd if=/dev/zero of=100k.bin bs=4k count=262144
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| Create file with 100K size
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dd if=/dev/zero of=100k.bin bs=1k count=100
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Create file with 1M size
No warning on disk full
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dd if=/dev/zero of=10m.bin bs=1m count=10
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| Simulate memory consumption (RAM+SWAP)
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mkdir /usr/local/ramdisk
mount -t tmpfs -o size=2G tmpfs /usr/local/ramdisk
dd if=/dev/zero of=/usr/local/ramdisk/fill.bin bs=1m count=2048
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Remote File System
| Tool |
Example
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| Samba (Linux) |
sudo mount -t smbfs {remote} {local} -o \
iocharset=utf8, \
user={user}%{password}, \
uid=`id -u {local user}`, \
gid=`id -u {local group}`
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| Samba (MacOS) |
mount_smbfs //'{group};{user}':{password}@{remote}/{shared dir} {local dir}
smbutil view //Guest@192.168.91.65
smbutil view //'WORKGROUP;Administrator':12345@192.168.1.2 # for Windows 2K3
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| Samba (FreeBSD) |
mount -t smbfs -o '-N' //raymondwu@RaymondWu-PC/TikaSamples /var/tika/samples # Using ~/.nsmbrc
mount_smbfs -I 192.168.91.65 //raymondwu@RaymondWu-PC/TikaSamples /var/tika/samples
smbutil view -I 192.168.91.65 //raymondwu@RaymondWu-PC
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