~ubuntu-branches/ubuntu/precise/kubuntu-docs/precise-proposed

>Locking the screen discourages people from accessing an unattended computer. All applications and work remain open while the screen is locked, and the selected screensaver is displayed. </para>

<para

>The screen can be locked in one of the following ways: </para>

<para

>Press &menulock;. </para>

</listitem>

<para

>Press <keycombo

> <keycap

>Alt</keycap

> <keycap

>Ctrl</keycap

> <keycap

>L</keycap

> </keycombo

>. </para>

</listitem>

<para

><mousebutton

>Right-click</mousebutton

> in an empty space on the desktop and choose <guimenuitem

>Lock Screen</guimenuitem

>. </para>

</listitem>

</itemizedlist>

<note

><title

>Change lock screen shortcut</title>

<para

>Keyboard shortcuts can be changed in <application

>System Settings</application

> under the <guilabel

>Keyboard & Mouse</guilabel

>. To access these settings, go to Menu Bread Crumbs. Select <guilabel

>Global Keyboard Shortcuts</guilabel

>, in the KDE component dropdown, select <guilabel

>Run Command Interface</guilabel

> and locate <guilabel

>Lock Session</guilabel

>. </para>

</note>

<note

><title

>Adding a lock screen button to the panel</title>

<para

>A <guibutton

>Lock Screen</guibutton

> button can be added to the <application

>Panel</application

> for quick and easy screen locking. Right-click the <application

>Panel</application

>, select <guibutton

>Add Widgets...</guibutton

>, select <guibutton

100

>Lock/Logout</guibutton

101

> and drag it to the proper location on the Panel. </para>

102

</note>

103

104

<para

105

>To unlock the screen, move the mouse or press a key. Enter the password, and either press the <keycap

106

>Return</keycap

107

> key or press the <guibutton

108

>Unlock</guibutton

109

> button. </para>

110

<para

111

>If more than one person has a user account on the computer and the screen is locked by one user, other users can press the <guibutton

112

>Switch user...</guibutton

113

> button to unlock the screen for their own accounts. They will not be able to access currently-open work in locked accounts. Users with locked screens can switch back to their own accounts and unlock their screens when the computer becomes available. </para>

114

</sect1>

115

116

117

<title

118

>Podesite zaštitni zid</title>

119

120

<para

121

><application

122

>Guarddog</application

123

> is the firewall of choice for &kubuntu;. Please review the <ulink type="help" url="help:/kubuntu/network/"

124

>Networking</ulink

125

> documentation and locate the <application

126

>Guarddog</application

127

> section. </para>

128

</sect1>

129

130

131

<title

132

>Izbjegavajte ometanja i kriminal sa Interneta</title>

133

134

<para

135

>From time to time, email messages carry viruses or links to fraudulent websites. It is important to learn how to deal with these messages, in order to prevent the computer or personal information from being compromised or misused. </para>

136

137

<para

138

>Typically such messages are sent by strangers. However, sometimes this type of email appears to be from a trusted acquaintance, even though that person did not really send it. It is possible to include a fake sender email address in emails. </para>

139

140

<para

141

>Unwanted (unsolicited) mail tends to fall into one of several categories: </para>

142

143

144

<para

145

>Spam (junk) email with offers for unwanted services and products </para>

146

</listitem>

147

148

149

<para

150

>Scam emails asking for help in exchange for money </para>

151

</listitem>

152

153

154

<para

155

>Phishing email that appears to be from a bank or other online service, asking for personal and financial details, or passwords </para>

156

</listitem>

157

</itemizedlist>

158

<para

159

>Ispod je dato nekoliko savjeta kako da ostanete sigurni na mreži:</para>

160

161

162

<para

163

>Never reply to unsolicited mail or click on the links in the mail. Doing so usually results in more junk email. </para>

164

</listitem>

165

166

167

<para

168

>Never click on links in emails that lead to websites asking for passwords or similar information. It is possible for the text of the link to show one address, but clicking on the link actually connects to a different (possibly dangerous) address. Instead of clicking a potentially misleading link, type the link address directly into a web browser. </para>

169

</listitem>

170

171

172

<para

173

>When visiting a website that asks for financial information, ensure that it is secure. <application

174

>Konqueror</application

175

> and <application

176

>Firefox</application

177

> are two browsers commonly used in &kubuntu;. Both have two areas that indicate if the current page is secure. On secure webpages, the address bar will have a yellow background and a lock symbol to the right of the address. The second area is the status bar located at the bottom right of the browser window. If the page is secure, a lock icon will appear in this area. Clicking on either of the lock symbols will produce a dialog that explains the type of licensing and security for that page. </para>

178

</listitem>

179

180

181

<para

182

>Only download and run software from trusted sources. By default, software can only be downloaded directly from Ubuntu. </para>

183

</listitem>

184

</itemizedlist>

185

</sect1>

186

187

188

<title

189

>Make backup copies of files</title>

190

191

<para

192

>Occasionally users lose computer information. There are many possible causes for such unforeseen <emphasis

193

>data loss</emphasis

194

>. The problem could be anything from a power loss or equipment failure to accidentally deleting a file. With regular backup copies, if a problem should occur, it may be possible to retrieve important files. Users are strongly encouraged to make backups. </para>

195

<para

196

>Backup copies of files should be stored separately from the computer. In other words, backup file storage should be located somewhere that is not permanently attached to the computer. Options include: </para>

197

198

<listitem

199

><para

200

>Writable CDs and DVDs</para

201

></listitem>

202

<listitem

203

><para

204

>External hard disks and flash memory devices</para

205

></listitem>

206

<listitem

207

><para

208

>Another computer on the network</para

209

></listitem>

210

</itemizedlist>

211

<para

212

>A simple way of backing up your files is to copy them manually to a safe location (see above) by using the <application

213

>Konqueror</application

214

> or <application

215

>Dolphin</application

216

> file manager. </para>

217

<para

218

>Another backup method is <application

219

>Keep</application

220

>, an automated &kubuntu; backup solution, preferred by many &kubuntu; veterans. To install the <application

221

>Keep</application

222

> package, please refer to the <ulink type="help" url="help:/kubuntu/manage-software/"

223

>Adding Applications</ulink

224

> document for help on installing applications. Once installed, <application

225

>Keep</application

226

> can be launched by going to &menukeep;. </para>

227

</sect1>

228

</article>

229

<!--

230

Local Variables:

231

mode: xml

232

sgml-minimize-attributes:nil

233

sgml-general-insert-case:lower

234

sgml-indent-step:0

235

sgml-indent-data:nil

236

End:

237

238

vim: tabstop=2:shiftwidth=2:expandtab:indentexpr=:tw=80:

239

kate: space-indent on; indent-width 2; tab-width 2; indent-mode none;

240

-->

Older »