From nobody Sat Oct 7 22:47:36 2023 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4S30mn1v04z4wj1y; Sat, 7 Oct 2023 22:47:37 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4S30mn1RMxz3G7W; Sat, 7 Oct 2023 22:47:37 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1696718857; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=4J2ZmykaOeT6VGUeQtpobkE0UrQQwfGnEDqNVkhbEHw=; b=lzrKCcxg7o40C+zOXUGrNfYEQhMCTCyLAYwZeUJIL63GhYp8FrhIoAJbK/hkX6Itdp28dM auD7hl0ZU6Z7QvudXWieWy2Vk0GzInybUw4PMh5lSoysIXtXKSc2pa8cV6fS0XYNHCWeo+ b2ZjjdTN3zKX/eBNx+tQw3+3Ld0k2jGGCl/BT980MnY2I0gpfK4xYABmSIgDCDX0hfHwxk yn6+37gLEaVlv16XCN3T+eRUJzF4KvnHUBvAirXWynKK89J8I4CTh64i9YA1p3vu+sfw4Q a7t0jku5OUF21zMAAZYXfvevWwJQmi0il1OsTKnLvkUQwxnzq2EZ7Snfe4WBww== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1696718857; a=rsa-sha256; cv=none; b=J0pGgAKXCRrRYvxgHA7tz5Rw294xWPgVgFDXIa81qJTIBiXMvR1V1+JnLLfsLb9kidPq+Z KYjnfvwDD/SMvQZPXJrOrSgKFcvBBXD4yzfUkWdxyIkPaz2JJdXW5wufzFp2/b1w90cNqa kFEUybG0iWUGgLpAynlXc4i86jdniK8DpHzhs2eto+Ssx+wwPbUtv3hjfXq03tWM/ZPDxZ GmtSZxyFmiTCzX5B8XXWXjaGCV+1OHuYX6UZJgS2AVDFhv3SLa9aBZPNrDB18ce5+2I5fA EC1Djx8vosYWE1mc4M1b3z6wZYikLYjMf4ij0O4Bd+f8rOU8+MHBAW0nCCBpMQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1696718857; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=4J2ZmykaOeT6VGUeQtpobkE0UrQQwfGnEDqNVkhbEHw=; b=VOjaZP7qMeR0ozOpX6aLpfeuL45GVblKTO59X8Q/H2ik+xgmuYEV1ugNLaU33A+OqthPUh mz0KKdeo4uP97J/5PYVYM9O3uYTFmW/XQnCi4puZ7/i20wwS6Een8XVGPoIUP5sp+AkU6a m/vWajx3IVKtzg1Vh6GEYw1RexMAod5mY51j2pXggss2Sa//sTX0eBBmrzIhReBtqWQGdM iwotl4yQG7j6Bt+rZOuENw4XAHa+u+UnupU9DcMCqm5DlX5h+vuE8oxFBRPs5N+SFU57cu QIm/5wG4LhYniljK1bUAGMTkKRz9xrgl04YmHeNMzpKi08ADbpaaesVHHB21tQ== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4S30mn0NWbzpny; Sat, 7 Oct 2023 22:47:37 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 397Mlalk024077; Sat, 7 Oct 2023 22:47:36 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 397MlaNt024074; Sat, 7 Oct 2023 22:47:36 GMT (envelope-from git) Date: Sat, 7 Oct 2023 22:47:36 GMT Message-Id: <202310072247.397MlaNt024074@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: "Danilo G. Baio" Subject: git: 04c8bfc17610 - main - jexec.8: Add examples section List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dbaio X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 04c8bfc1761010c36081cf300fa751548d541122 Auto-Submitted: auto-generated The branch main has been updated by dbaio: URL: https://cgit.FreeBSD.org/src/commit/?id=04c8bfc1761010c36081cf300fa751548d541122 commit 04c8bfc1761010c36081cf300fa751548d541122 Author: Danilo G. Baio AuthorDate: 2023-10-07 22:44:44 +0000 Commit: Danilo G. Baio CommitDate: 2023-10-07 22:44:44 +0000 jexec.8: Add examples section MFC after: 3 days Reviewed by: gbe, 0mp, danfe, pauamma_gundo.com Differential Revision: https://reviews.freebsd.org/D40831 --- usr.sbin/jexec/jexec.8 | 40 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 39 insertions(+), 1 deletion(-) diff --git a/usr.sbin/jexec/jexec.8 b/usr.sbin/jexec/jexec.8 index 69f380676c30..4400cbbe56a3 100644 --- a/usr.sbin/jexec/jexec.8 +++ b/usr.sbin/jexec/jexec.8 @@ -23,7 +23,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd April 24, 2016 +.Dd October 7, 2023 .Dt JEXEC 8 .Os .Sh NAME @@ -65,6 +65,44 @@ The user name from jailed environment as whom the .Ar command should run. .El +.Sh EXAMPLES +.Ss Example 1 : Open a shell in a jail +The following command specifies a jail by its name and utilizes the current +user's shell: +.Pp +.Dl # jexec name +.Pp +It is also possible to specify a jail by its jid: +.Pp +.Dl # jexec JID +.Ss Example 2 : Run a single command without opening a shell +The following command runs +.Ql uname -a +in a jail called +.Dq name . +Since a command is specified explicitly, +.Nm +does not spawn an interactive shell. +Instead, +.Nm +executes the specified command directly. +.Pp +.Dl # jexec name uname -a +.Ss Example 3 : Open a shell in a jail with a clean environment +The following command opens a +.Xr sh 1 +shell in a jail with a clean environment: +.Pp +.Dl # jexec -l name sh +.Ss Example 4 : Open a shell in a jail with the login command +The following command utilizes +.Xr login 1 +to access the jail, submitting an audit record, and displaying the +user's last login, system copyright, and +.Xr motd 5 +message: +.Pp +.Dl # jexec -l name login -f root .Sh SEE ALSO .Xr jail_attach 2 , .Xr jail 8 ,