Question Category: Systems Management

how can i filter huge loge text file

up vote 0 down vote favorite if i have data 15:29:05:493582: Impact Cost :Current[0.20] Required[5.00] Bid[price:3195 qty:450] Ask[price:3215 qty:600]. 15:29:05:480193: Impact Cost :Current[0.15] Required[5.00] Bid[price:3195 qty:450] Ask[price:3210 qty:75]. 15:29:05:462943: Impact Cost :Current[0....
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window 10 to linux

i want go in linux to window 10
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Do you need to use a usb stick to change to linux on laptops!

please help all videos on youtube only show doing it from a usb can I not just download and change Operating system
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Windows XP to Linux OS

I want to replace my old, XP OS to Linux OS, and I would appreciate any assistance on how to do it.
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Where is GRUB on my Windows Hard Drive?

I am getting rid of linux and switching to a VM, but when I first installed kali linux to my pc I installed grub to my windows partition as that is my master boot record, and the actual linux os was put on its own hard drive. I deleted linux from that hard drive but forgot to remove grub, so my...
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failure in installing ubuntu on Acer Chromebook R11

Following the instructions on www.linux.com/learn/how-easily-install-ubuntu-chromebook-crouton with: sudo sh -e ~/Downloads/crouton -t touch,kde there was trouble in retrieving InRelease. After about 8 tries it said: InRelease was corrupt and started to download and install, but ended with: unable...
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failure in installing ubuntu on Acer Chromebook R11

Following the instructions on www.linux.com/learn/how-easily-install-ubuntu-chromebook-crouton with: sudo sh -e ~/Downloads/crouton -t touch,kde there was trouble in retrieving InRelease. After about 8 tries it said: InRelease was corrupt and started to download and install, but ended with: unable...
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"a password is required" - log after each user logon

I'm getting strange logs in auth.log since two weeks: "user : a password is required ; TTY=pts/1 ; PWD=/home/user ; USER=root ; COMMAND=/bin/grep -E ^pi: /etc/shadow". It also appears that the logs are being created after I login through ssh into the system. I already checked logon-...
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