Writing to on of this three files will cause the kernel to drop clean caches, dentries and inodes from memory, causing that memory to become free.
To free pagecache: [Read more…]
Combine PDFs
Storing and archiving of invoices can be very tiring.
From each contract I receive for each month a PDF.
During a year 12 pdfs from jan. – dec. * amount of contracts = hundreds of PDFs.
Yeap solution is to merging multiple pdf files into one:) [Read more…]
Linux Process Run Time
I think this is the only one solution to find out how long linux process already run:
1 | ps -p 3064 -o etime= |
Mac OS X sshfs
Working on websites on Mac can be sometimes very annoying. You are writing some piece of code and you need to transfer it every time via FTP or SFTP to a linux web server.
SSHFS (Secure SHell FileSystem) is a solution to avoid this transfer layer of your develop work. By default SSHFS is not availible in Mac OS X but it can be installed
To be a able to use SSHFS it is required to [Read more…]
Fedora update-grub
After some days of my vacation, my Fedora workstation was not able to boot. I stuck in the grub rescue shell, something was wrong with my MBR-recoord. There was a wrong UUID.
As I tried to update grub (command update-grub) – I stuck again – command not found! This is a Debian/Ubuntu specific command and is not available here.
This is a update-grub in Fedora way:
1 | grub2-mkconfig -o /boot/grub2/grub.cfg |
And finally the MBR installation:
1 | grub2-install --recheck --no-floppy /dev/sda |
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