Merge pull request #13235 from yuwata/network-routing-policy-rule-family-13233

[thirdparty/systemd.git] / README

diff --git a/README b/README
index 8807e5cfe492ef2982b272da90eb22ec1bc0a066..fcf20ed9f8c95f73a570453c93704d0c424e88af 100644 (file)
--- a/README
+++ b/README
@@ -148,20 +148,25 @@ REQUIREMENTS:
         libacl (optional)
         libselinux (optional)
         liblzma (optional)
         libacl (optional)
         libselinux (optional)
         liblzma (optional)

-        liblz4 >= 119 (optional)
+        liblz4 >= 1.3.0 / 130 (optional)

         libgcrypt (optional)
         libqrencode (optional)
         libmicrohttpd (optional)
         libpython (optional)
         libidn2 or libidn (optional)
         libgcrypt (optional)
         libqrencode (optional)
         libmicrohttpd (optional)
         libpython (optional)
         libidn2 or libidn (optional)

+        gnutls >= 3.1.4 (optional, >= 3.5.3 is required to support DNS-over-TLS with gnutls)
+        openssl >= 1.1.0 (optional, required to support DNS-over-TLS with openssl)

         elfutils >= 158 (optional)
         polkit (optional)
         elfutils >= 158 (optional)
         polkit (optional)

+        tzdata >= 2014f (optional)

         pkg-config
         gperf
         docbook-xsl (optional, required for documentation)
         xsltproc    (optional, required for documentation)
         python-lxml (optional, required to build the indices)
         pkg-config
         gperf
         docbook-xsl (optional, required for documentation)
         xsltproc    (optional, required for documentation)
         python-lxml (optional, required to build the indices)

-        python, meson, ninja
+        python >= 3.5
+        meson >= 0.46 (>= 0.49 is required to build position-independent executables)
+        ninja

         gcc, awk, sed, grep, m4, and similar tools
 
         During runtime, you need the following additional
         gcc, awk, sed, grep, m4, and similar tools
 
         During runtime, you need the following additional


@@ -172,12 +177,12 @@ REQUIREMENTS:
                 NOTE: If using dbus < 1.9.18, you should override the default
                 policy directory (--with-dbuspolicydir=/etc/dbus-1/system.d).
         dracut (optional)
                 NOTE: If using dbus < 1.9.18, you should override the default
                 policy directory (--with-dbuspolicydir=/etc/dbus-1/system.d).
         dracut (optional)

-        PolicyKit (optional)
+        polkit (optional)

 
         To build in directory build/:
           meson build/ && ninja -C build
 
 
         To build in directory build/:
           meson build/ && ninja -C build
 

-        Any configuration options can be specfied as -Darg=value... arguments
+        Any configuration options can be specified as -Darg=value... arguments

         to meson. After the build directory is initially configured, meson will
         refuse to run again, and options must be changed with:
           mesonconf -Darg=value...
         to meson. After the build directory is initially configured, meson will
         refuse to run again, and options must be changed with:
           mesonconf -Darg=value...


@@ -204,10 +209,12 @@ REQUIREMENTS:
         make use of DynamicUser= now, hence enabling nss-systemd is not
         optional.
 
         make use of DynamicUser= now, hence enabling nss-systemd is not
         optional.
 

-        Note that the build prefix for systemd must be /usr. -Dsplit-usr=false
-        (which is the default and does not need to be specified) is the
-        recommended setting, and -Dsplit-usr=true should be used on systems
-        which have /usr on a separate partition.
+        Note that the build prefix for systemd must be /usr. (Moreover,
+        packages systemd relies on — such as D-Bus — really should use the same
+        prefix, otherwise you are on your own.) -Dsplit-usr=false (which is the
+        default and does not need to be specified) is the recommended setting,
+        and -Dsplit-usr=true should be used on systems which have /usr on a
+        separate partition.

 
         Additional packages are necessary to run some tests:
         - busybox            (used by test/TEST-13-NSPAWN-SMOKE)
 
         Additional packages are necessary to run some tests:
         - busybox            (used by test/TEST-13-NSPAWN-SMOKE)


@@ -232,14 +239,11 @@ USERS AND GROUPS:
         groups "wheel" and "adm" will be given read-only access to
         journal files using systemd-tmpfiles.service.
 
         groups "wheel" and "adm" will be given read-only access to
         journal files using systemd-tmpfiles.service.
 

-        The journal gateway daemon requires the
-        "systemd-journal-gateway" system user and group to
+        The journal remote daemon requires the
+        "systemd-journal-remote" system user and group to

         exist. During execution this network facing service will drop
         privileges and assume this uid/gid for security reasons.
 
         exist. During execution this network facing service will drop
         privileges and assume this uid/gid for security reasons.
 

-        Similarly, the NTP daemon requires the "systemd-timesync" system
-        user and group to exist.
-

         Similarly, the network management daemon requires the
         "systemd-network" system user and group to exist.
 
         Similarly, the network management daemon requires the
         "systemd-network" system user and group to exist.
 


@@ -275,7 +279,7 @@ NSS:
 
                 passwd: compat mymachines systemd
                 group: compat mymachines systemd
 
                 passwd: compat mymachines systemd
                 group: compat mymachines systemd

-                hosts: files mymachines resolve myhostname
+                hosts: files mymachines resolve [!UNAVAIL=return] dns myhostname

 
 SYSV INIT.D SCRIPTS:
         When calling "systemctl enable/disable/is-enabled" on a unit which is a
 
 SYSV INIT.D SCRIPTS:
         When calling "systemctl enable/disable/is-enabled" on a unit which is a


@@ -306,13 +310,22 @@ WARNINGS:
         For more information on this issue consult
         https://www.freedesktop.org/wiki/Software/systemd/separate-usr-is-broken
 
         For more information on this issue consult
         https://www.freedesktop.org/wiki/Software/systemd/separate-usr-is-broken
 

-        To run systemd under valgrind, compile with VALGRIND defined
-        (e.g. CPPFLAGS='... -DVALGRIND=1' meson <options>) and have valgrind
-        development headers installed (i.e. valgrind-devel or
-        equivalent). Otherwise, false positives will be triggered by code which
-        violates some rules but is actually safe. Note that valgrind generates
-        nice output only on exit(), hence on shutdown we don't execve()
-        systemd-shutdown.
+        To run systemd under valgrind, compile with meson option
+        -Dvalgrind=true and have valgrind development headers installed
+        (i.e. valgrind-devel or equivalent). Otherwise, false positives will be
+        triggered by code which violates some rules but is actually safe. Note
+        that valgrind generates nice output only on exit(), hence on shutdown
+        we don't execve() systemd-shutdown.
+
+STABLE BRANCHES AND BACKPORTS:
+       Stable branches with backported patches are available in the
+       systemd-stable repo at https://github.com/systemd/systemd-stable.
+
+       Stable branches are started for certain releases of systemd and named
+       after them, e.g. v238-stable. Stable branches are managed by
+       distribution maintainers on an as needed basis. See
+       https://www.freedesktop.org/wiki/Software/systemd/Backports/ for some
+       more information and examples.

 
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 ENGINEERING AND CONSULTING SERVICES:
         Kinvolk (https://kinvolk.io) offers professional engineering