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Misuse of sudo(8) and sudoers(5)

Posted 10-07-2016 at 06:46 AM by Turbocapitalist

The utility sudo(8) runs programs as another user. Frequently, that other user is root, but it does not have to be, the utility can also be used to downgrade privileges. Often it is mis-used to provide full root access to a group of users in place of su(1). However, sudo(8) was developed to give selective access to machines, following the principle of least privilege. It can achieve a very fine granularity of access, even allowing just specific programs or specific options for specific programs....
Senior Member
Posted in Uncategorized
Views 706 Comments 6 Turbocapitalist is offline

DebEX Gnome Live DVD with Gnome 3.22 (latest), Mate 1.16 (latest) and kernel 4.8 (latest)

Posted 10-07-2016 at 04:19 AM by exton (Exton's Blog)

About DebEX Barebone, DebEX Gnome and DebEX KDE Linux 64 bit
All three systems/distributions are a based on Debian. DebEX KDE is based on Debian Jessie (Debian 8.6). DebEX Barebone and DebEX Gnome are based on Debian testing (Stretch) and Debian unstable (Sid). Xfce 4.12 (released 150228 after about three years work!) is used as Desktop environment in DebEX Barebone. Gnome 3.22 and Mate 1.16 are used in DebEX Gnome. KDE 4.14.2 and KDE Plasma Desktop 5:84 are used in DebEX KDE. DebEX Gnome...
ExTiX Admin
Views 445 Comments 1 exton is offline

Bootable PC-DOS usb drive

Posted 10-06-2016 at 09:23 PM by number22
Updated 10-07-2016 at 09:38 PM by number22

We need a system to run old DOS program. Microsoft's Win98 lacks proper memory management for modem computer with larger amount memory. We have PC-DOS (from IBM) lay around.

Basic setup: Syslinux + floppy image with boot.bss

Need create a empty floppy image on usb drive.(your usb is already fdisk with FAT16 partition, and mkfs.msdos formatted).
#mount -t msdos /dev/usbpartition# /mnt/usb
#cd /mnt/usb
#dd bs=512 count=2880 if=/dev/zero of=fd0.img
Posted in Uncategorized
Views 674 Comments 1 number22 is offline

what the--??!?-- blog vs forum

Posted 10-04-2016 at 09:22 AM by danrevell (Linux 001)
Updated 11-03-2016 at 08:14 PM by danrevell (addendum)

Just discovered lately that there is quite a bit more action on this blog than I thought... for the benefit of those readers who may be as drain-bamaged as myself, I submit these mystifying aspects of LQ blogs, for which I can offer no explanation.
1) Posts are in reverse chronological order. If you want to follow the line of conversation you have to start at the end and read the posts backwards, toward the top, unlike the forums, where the natural flow and chronological order is more-or-less...
Posted in Uncategorized
Views 700 Comments 2 danrevell is offline

nftables NAT

Posted 10-03-2016 at 04:04 PM by serafean
Updated 10-03-2016 at 04:08 PM by serafean

Finally getting around to writing the continuation of this howto. Now lets take a look at a basic router firewall.
Basic ruleset configuration is described here.
This ruleset only sets up ipv4 nating, no filtering is set up (that will be covered later)
The following is an nft configuration file. To be loaded with nft -f.
define if_wan = eth0
table ip filter {
        map tcp_nat_map {type inet_service : ipv4_addr;}
        map udp_nat_map
Posted in nftables
Views 801 Comments 0 serafean is offline


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