Are there versions of Unix that don’t have awk in default install?
Are there versions of Unix that don’t have awk installed by default?
Unix & Linux
Btrfs RAID1: How to replace a disk drive that is physically no more there?
I have a btrfs RAID1 system with the following state:
Grub – boot debian iso file from ntfs partition and install it
I have problem installing debian directly from hard drive. Say, i have a logical partition /dev/sda5 and there is debian DVD iso file located in (hd0,5)/iso/debian-8.0.0-amd64-DVD-1.iso with initrd file there too. Then I created grub menu entry with this:
./executable: cannot execute binary file
I have a script that works well when I ssh to the server to execute it myself, but has problems when Hudson, a continuous integration server, runs it.
How to delete all files in a current directory starting with a dot?
I use Ubuntu 14.04 and in a terminal I became root with sudo su and I wanted to delete root’s trash manually. It deleted everything except for a few files that start with a dot. Like .htaccess etc. So I went to that directory (which is “files”) and I ran this command:
Execute bash commands over SSH while staying in interactive mode afterwards
Probably it is a weird thing I would like to achieve but:
I would like to SSH to a remote host and then execute some bash commands like “alias” automatically to use them afterwards in an interactive mode. The remote host does not allow the personal environment.
Fast way to build a test file with every second listed in YYYY-mm-dd HH:MM:SS format
I want to create a large test file with lines containg dates listed by the second, but my method is taking inordinately long… (or at least, that’s how it feels 🙂 … 43 minutes to create only 1051201 lines. 20.1 MB file….
When do su and sudo use different passwords?
I am able to run anything using sudo; my password is accepted. But whenever I try to do su from a shell, it fails with:
Replace non-printable characters in perl and sed
I need to replace some non-printable characters with spaces in file.
recovery data from RAID and disk failure (Linux)
1st attempt: Mounting disks alone