diff options
Diffstat (limited to 'software')
| -rw-r--r-- | software/debian.page | 14 | ||||
| -rw-r--r-- | software/git.page | 8 | ||||
| -rw-r--r-- | software/misc.page | 31 | ||||
| -rw-r--r-- | software/packages.page | 3 | ||||
| -rw-r--r-- | software/unix-tricks.page | 13 |
5 files changed, 68 insertions, 1 deletions
diff --git a/software/debian.page b/software/debian.page index 8b32dfd..4e64ae4 100644 --- a/software/debian.page +++ b/software/debian.page @@ -59,7 +59,21 @@ Debian Package Tools ``dkpg -S somefile`` shows what packages a given file were installed by. ``dpkg -L somepackage`` lists all the files installed by that package. +``apt-rdepends -r somepackage`` shows all packages depending on a given +package, recursively. You probably just want the first group, not the full +recursive tree. + To *not* install "recommended" or "suggested" packages, pass ``-R`` as an argument to ``aptitute``. To find out *why* a package has been installed (or guess why it might be?) use the ``aptitude why <package>`` command. +To extract the contents of a .deb file, use the ``ar`` command, then extract +data.tar.gz: + + ar vx somepackage.deb + tar xvf data.tar.gz + +Debian Packaging +------------------- + +sudo aptitude install gcc-4.4-arm-linux-gnueabi diff --git a/software/git.page b/software/git.page index 362970b..3f4e3ef 100644 --- a/software/git.page +++ b/software/git.page @@ -10,3 +10,11 @@ Git Quick tip: when you have ``.gitignore`` ignoring everything (with a ``*`` entry), you need to use ``git-update-index --add FILE`` to actually add the file, instead of just ``git-add FILE``. + +Over HTTP +-------------- +To make a repository available over "dumb" HTTP, set up a bare repository and +copy ``hooks/post-update.sample`` to ``hooks/post-update``. + +To add links from gitweb, add to the ``@git_base_url_list`` list in the +configuration file. diff --git a/software/misc.page b/software/misc.page index 600819e..1c0b74a 100644 --- a/software/misc.page +++ b/software/misc.page @@ -210,3 +210,34 @@ Install ``tcpflow`` and do: $ sudo tcpflow -i wlan0 -b 2097152 tcp port 80 or tcp port 443 Saves up to 2MB + +wget +-------- +For recursive, I usually want something like: + + wget -r -l 3 <baseurl> + +To just get files, ignoring structure: + + wget -r -l 3 -nd <baseurl> + +QEMU with chroot +------------------- +Manual way: + + $ sudo chroot ./rootfs-dir/ qemu-arm-static /usr/bin/env + +The automatic way is to copy the host's qemu-arm-static to usr/bin in the +chroot, then just run the command and qemu-arm-static will be used +automagically: + + $ sudo chroot ./rootfs-dir/ /usr/bin/env + +Starting an SSL CA +---------------------- +"[cryptography] How much does it cost to start a root CA ?" +Jon Callas <jon at callas.org>, Sat Jan 5 14:42:31 EST 2013 +http://lists.randombit.net/pipermail/cryptography/2013-January/003601.html + +Answer: $250k over 14 months, 40% hardware, 60% people + diff --git a/software/packages.page b/software/packages.page index f14a0ce..42b7727 100644 --- a/software/packages.page +++ b/software/packages.page @@ -29,8 +29,9 @@ Almost all machines get the following (decreasing minimalism): ctorrent nmap netcat - ngrep tcpdump + tree + lsblk If debian-based, add ``build-essential``, ``openssh-server``, ``manpages-dev``, ``iproute``, and it's ``git-core`` (not ``git``) and ``mtr-tiny`` (not diff --git a/software/unix-tricks.page b/software/unix-tricks.page index 8749d16..d175133 100644 --- a/software/unix-tricks.page +++ b/software/unix-tricks.page @@ -70,3 +70,16 @@ stderr in Red Via `stack overflow <http://serverfault.com/questions/59262/bash-print-stderr-in-red-color/59299#59299>`_: $ command 2> >(while read line; do echo -e "\e[01;31m$line\e[0m"; done) + +Mount an .img file as loopback device +----------------------------------------- + +Either: + + mount -o loop distro.img /mnt + +Or: + + losetup /dev/loop0 distro.img + mount /dev/loop0 /mnt + |