Answer by psusi for Why is more than 3 GB of RAM not recognised when using...
There are several possible reasons. One is that you are, in fact, not running the amd64 build. Another is that your motherboard and/or BIOS are broken and not reporting the correct amount of RAM....
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Answer by psusi for How to move Ubuntu to an SSD
1) Copying files You want to copy the FILES, not the whole partition ( including its free space ), so you don't need to resize the partition first. Boot from the livecd and mount both the HD and SSD (...
View ArticleAnswer by psusi for Kernel Panic - not syncing: VFS: Unable to mount root fs...
You are missing the initramfs for that kernel. Choose another kernel from the GRUB menu under Advanced options for Ubuntu and run sudo update-initramfs -u -k version to generate the initrd for version...
View ArticleHow to monitor what files are opened
Is there a tool to monitor what processes open what files on the system so you can track down which process keeps touching a specific file? Lsof can find out if you run it while the process has the...
View ArticleAnswer by psusi for Can I copy 2 partitions at a time with sudo dd
See where the partition ends with sudo parted /dev/sda unit s print. Add one to the end sector, and tell dd to copy that many sectors: sudo dd if=/dev/sda of=/dev/sdb count=xxxx where if is the input...
View ArticleAnswer by psusi for How to define an optional dependency in a debian package
Why do you want your package to be installed after? Does your postinst configure your package differently if it finds the other package is installed? If so then you can use a trigger to cause your...
View ArticleComment by psusi on Can't delete a btrfs snapshot
@misiu_mp by running mount to mount the disk it in an empty directory and not using the subvol mount option to select a different subvol to mount.
View ArticleAnswer by psusi for Install without cd or usb
You can write the installer image to a hd and boot from it. If you edit the kernel command line options on the boot menu and add toram then it will load entirely into ram and leave the disk unmounted...
View ArticleAnswer by psusi for Where to install software and executables for all users
/usr is world readable, so no, there will be no problem with other users being able to run the program. /usr/local is where applications that you compile from source code yourself go. Programs...
View ArticleAnswer by psusi for Why don't the Ubuntu repositories have the latest...
Two reasons. The first is quite obvious: it requires a human to spend time updating the package when a new upstream comes out. The second is that if you are running a stable release as opposed to the...
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