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Mount partition inside a disk image
mouse 1124 · person cloud · link
HowTo
Linux
Tools
Last update
2017-10-30
2017
10-30
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# 1. list image partitions
fdisk -lu mydisk.img

# Disk mydisk.img: 117 GiB, 125587636736 bytes, 245288353 sectors
# Units: sectors of 1 * 512 = 512 bytes
# Sector size (logical/physical): 512 bytes / 512 bytes
# I/O size (minimum/optimal): 512 bytes / 512 bytes
# Disklabel type: dos
# Disk identifier: 0x81c0ff4b
# 
# Device       Boot  Start       End   Sectors   Size Id Type
# mydisk.img1 *      8192    124927    116736    57M  e W95 FAT16 (LBA)
# mydisk.img2      124928 245288352 245163425 116.9G 83 Linux

# 2. check used loop devices
losetup
# NAME       SIZELIMIT   OFFSET AUTOCLEAR RO BACK-FILE
# /dev/loop0         0        0         0  0 /mnt/data

# 3. mount partition 2 on a free loop device, where image
#    offset = start * sector size = 124928 * 512 = 63963136
losetup -o 63963136 /dev/loop1 mydisk.img
mkdir img && mount /dev/loop1 img/

# 4. dismount & remove device
umount img
losetup -d /dev/loop1

Source: AskUbuntu


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How to manage procrastination
mouse 1219 · person cloud · link
Focus
HowTo
Lazy
Study
Work
Last update
2017-10-26
2017
10-26
« — »

Pomodoro technique (adjust timings to your needs):

  1. focus 20-25 minute, make a mark & pause 2-3 minutes
  2. after 4 marks take a longer pause of 15-30 minutes
  3. restart loop

Keep close pen & paper to keep track of sudden:

  • ideas
  • extrernal requests (other people coming to you)
  • brain distraction urges (eg: need to check FB, IM, Emails, Calendar, ...)

Source: Dev.to


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Midnight Commander shortcuts
mouse 1799 · person cloud · link
Linux
Reference
Tools
Last update
2017-10-16
2017
10-16
«MC: the "Midnight Commander".
Norton Commander clone/powerup»

Panel Functions

Keys Function
TAB switch focus between panels
Alt ? open search (find) dialog
Alt s incremental search (press again for the next match)
Alt i sync panels directories on current one
Alt t switch among panel layouts in loop
Ctrl r refresh active panel
Ctrl u swap panels

Common Functions

Keys Function
Insert toggle mark on selected file
* toggle marked files
+ marks files based on a pattern
- unmarks files based on a pattern
Shift Down mark file and move to the next entry
Shift Up mark file and move to the previous entry
Shift F5 copy single file
Shift F6 move single file
Ctrl x c open chmod dialog for marked file
Ctrl x o open chown dialog for marked file
Ctrl x s make a symbolic link of the current file

Shell functions

Keys Function
Alt Enter copy selected filename in command line
Ctrl Shft Enter copy full path of selected file in the command line
Alt H shows command line history

Useful settings

Here is my configuration (press F9 to navigate the menu):

Option menu Option
Configuration check_box Verbose operation
check_box Compute totals
check_box Auto save setup
Layout check_box_outline_blank Hintbar visible
Panel options check_box_outline_blank Show hidden files
check_box Auto save panels setup
check_box File highlight > File types
Appearance darkfar theme


Left/Right menu Option
Listing mode check_box User defined > half type name | size:4 | perm

Source: Klimer, MC HP, Kayxl, ArchLinux forum


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Stretches that improve different parts of your body attachment
mouse 1523 · person cloud · link
Reference
Salute
Last update
2017-10-12
2017
10-12
«infografica»

Source: 9gag


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net-tools > iproute2 commands mapping
mouse 1813 · person cloud · link
Linux
Networking
Reference
Last update
2017-10-12
2017
10-12
«ifconfig, route, netstat»
net-tools iproute2
arp ip n (ip neighbor)
ifconfig ip a (ip addr) / ip link / ip -s (ip -stats)
iptunnel ip tunnel
nameif ip link
netstat ss
netstat -r ip r (ip route)
netstat -i ip -s link
netstat -g ip maddr
route ip r (ip route)

Source: tecmint guide, Debian 9 release notes, Debian manuals